CN111830351B - Safety performance detection equipment for motor reducer and frequency converter integrated machine - Google Patents
Safety performance detection equipment for motor reducer and frequency converter integrated machine Download PDFInfo
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- CN111830351B CN111830351B CN202010751060.2A CN202010751060A CN111830351B CN 111830351 B CN111830351 B CN 111830351B CN 202010751060 A CN202010751060 A CN 202010751060A CN 111830351 B CN111830351 B CN 111830351B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/22—Arrangements or mountings of driving motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/92—Devices for picking-up and depositing articles or materials incorporating electrostatic or magnetic grippers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/041—Camera
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses safety performance detection equipment for a motor reducer and frequency converter all-in-one machine, which comprises a first rack, wherein a feeding conveyer belt is installed at the top of the first rack, a second rack is installed on one side of the first rack, the first rack and the second rack are vertically installed, a discharging conveyer belt is installed at the top of the second rack, a transfer component positioned right above the first rack is installed on one side of the top of the second rack, a detection component is installed at the center of the top of the second rack, an electric cabinet is installed on one side of the second rack, a PLC (programmable logic controller) is installed inside the electric cabinet, and the electric cabinet is electrically connected with the feeding conveyer belt, the discharging conveyer belt, the transfer component and the detection component. The automatic feeding and discharging device is novel in structure and ingenious in conception, not only realizes automatic feeding and discharging, but also realizes automatic detection, can effectively improve detection efficiency, and saves manpower and material cost.
Description
Technical Field
The invention relates to the technical field of frequency converter detection, in particular to safety performance detection equipment for a motor reducer and frequency converter integrated machine.
Background
The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (converting alternating current into direct current), a filtering unit, an inverting unit (converting direct current into alternating current), a braking unit, a driving unit, a detecting unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off of an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.
An Insulated Gate Bipolar Transistor (IGBT) is an important device in a frequency converter, and the performance of the IGBT directly affects the performance of the frequency converter. In the related art, the performance of the IGBT is generally determined by a manual detection method, and the detection efficiency is low. Therefore, it is necessary to design a safety performance detection device for a motor reducer and frequency converter integrated machine.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the safety performance detection equipment for the motor speed reducer and frequency converter integrated machine, which is novel in structure and ingenious in concept, not only realizes automatic feeding and discharging, but also realizes automatic detection, can effectively improve the detection efficiency, and saves the manpower and material cost.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a motor reducer converter security performance check out test set for all-in-one, includes first frame, the material loading conveyer belt is installed at the top of first frame, the second frame is installed to one side of first frame, and first frame and the perpendicular installation of second frame, the conveyer belt of unloading is installed at the top of second frame, the transportation subassembly that is located directly over the first frame is installed to top one side of second frame, the top center department of second frame installs determine module, the electric cabinet is installed to one side of second frame, the internally mounted of electric cabinet has the PLC controller, electric cabinet electric connection material loading conveyer belt, the conveyer belt of unloading, transport subassembly and determine module.
Preferably, the transportation assembly includes base, support, slide rail, reciprocal lead screw, first slider, first telescopic cylinder, servo motor and electromagnet, the top one side at the second frame is fixed to the base, the top of base is fixed with the slide rail through the support, the inside of slide rail is rotated and is connected with reciprocal lead screw, the servo motor of the reciprocal lead screw of drive is installed to the one end of slide rail, the meshing is connected with first slider on the reciprocal lead screw, first telescopic cylinder is installed to the bottom of first slider, electromagnet is installed to first telescopic cylinder's bottom.
Preferably, one side of first telescopic cylinder is fixed with CCD location camera through the link, CCD location camera electric connection PLC controller's input, PLC controller's output electric connection first telescopic cylinder and electromagnet.
Preferably, the detection assembly comprises a detection box, an L-shaped clamping plate, a second telescopic cylinder, a positioning frame, a third telescopic cylinder, a pressing plate, a positioning plate and a probe, the detection box is fixed at the center of the top of the second rack, the two sides of the inner wall of the detection box are movably connected with the L-shaped clamping plate, the second telescopic cylinder is fixed at the top of the L-shaped clamping plate, the pressing plate is installed at the bottom of the second telescopic cylinder, the third telescopic cylinder is fixed at the center of the inner wall of the top of the detection box through the positioning frame, the positioning plate is fixed at the bottom of the third telescopic cylinder, and the plurality of probe is installed at the bottom of the positioning plate.
Preferably, infra-red transmitter is installed to one side inner wall of detection case, infra-red receiver is installed to the opposite side inner wall of detection case, infra-red transmitter passes through signal connection with infra-red receiver, the input of infra-red receiver electric connection PLC controller, the output electric connection of PLC controller is unloaded conveyer belt, the flexible cylinder of second and the flexible cylinder of third.
Preferably, the inner walls of two corresponding sides of the detection box are provided with sliding grooves, the sliding grooves are connected with second sliding blocks in a sliding mode, one side of the top of each second sliding block is provided with an L-shaped clamping plate, and one side of the bottom of each second sliding block is fixedly connected with a second jacking nut in a rotating mode.
Preferably, a plurality of locating sleeves are installed at the bottom of the locating plate, a probe is fixedly inserted in the locating sleeves in an inserting mode, and a first jacking nut is fixedly screwed on one side of each locating sleeve.
Preferably, the display screen is installed to outer wall one side of detection case, probe electric connection display screen.
Preferably, the specific operation steps of the device are as follows:
the method comprises the following steps: placing a motor reducer frequency converter to be detected on a feeding conveyor belt on a first frame, enabling a servo motor to work to drive a reciprocating screw rod to rotate so as to drive a first slide block to move in a slide rail, and enabling an electromagnetic chuck to be sucked to the top of the motor reducer frequency converter under the action of a first telescopic cylinder in a CCD positioning camera which is arranged in a matched mode so as to move the motor reducer frequency converter to a discharging conveyor belt;
step two: the discharging conveyer belt works to drive the motor speed reducer frequency converter to move to the inside of the detection box, when the motor speed reducer frequency converter blocks signal transmission between the infrared transmitter and the infrared receiver, the PLC controller controls the discharging conveyer belt to stop working, and simultaneously controls the second telescopic cylinder and the third telescopic cylinder to work, so that the pressing plates are pressed on two sides of the top of the motor speed reducer frequency converter, and safety performance detection is carried out on the motor speed reducer frequency converter by using detection;
step three: after the detection is finished, the PLC controls the second telescopic cylinder and the third telescopic cylinder to reset, and simultaneously controls the discharging conveyer belt to work, so that the detected frequency converter of the motor speed reducer is carried away.
The beneficial effects of the invention are as follows:
the motor reducer converter that will detect is placed on the material loading conveyer belt on first frame, servo motor work, it is rotatory to drive reciprocal lead screw, thereby drive the inside motion of first slider at the slide rail, CCD location camera at the cooperation setting, make electromagnet inhale the top at the motor reducer converter under first telescopic cylinder's effect, thereby remove the motor reducer converter to the conveyer belt of unloading, enter into and carry out the performance detection among the determine module, not only realized unloading in the automation, and automatic detection has been realized, can effectually promote detection efficiency, practice thrift manpower and materials cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic three-dimensional structure of a transfer module according to the present invention;
FIG. 3 is a schematic plan view of the inspection assembly of the present invention;
FIG. 4 is a schematic view of a probe mounting plane according to the present invention;
FIG. 5 is a schematic view of a sectional plane structure of the electric cabinet of the present invention;
reference numbers in the figures: 1. a first frame; 2. a feeding conveyer belt; 3. an electric cabinet; 4. a second frame; 5. a discharge conveyer belt; 6. a transfer assembly; 7. a detection component; 8. a base; 9. a support; 10. a slide rail; 11. a reciprocating screw rod; 12. a first slider; 13. a first telescopic cylinder; 14. a servo motor; 15. an electromagnetic chuck; 16. a connecting frame; 17. a CCD positioning camera; 18. a detection box; 19. an infrared emitter; 20. a chute; 21. a second slider; 22. an L-shaped clamping plate; 23. a second telescopic cylinder; 24. a positioning frame; 25. a third telescopic cylinder; 26. pressing a plate; 27. a second puller nut; 28. an infrared receiver; 29. positioning a plate; 30. a positioning sleeve; 31. a first puller nut; 32. a probe pin; 33. a PLC controller; 34. a display screen.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 5.
As shown in fig. 1 to 5, the present invention provides the following technical solutions: the utility model provides a motor reducer converter security performance check out test set for all-in-one, including first frame 1, material loading conveyer belt 2 is installed at the top of first frame 1, second frame 4 is installed to one side of first frame 1, and first frame 1 and the perpendicular installation of second frame 4, conveyer belt 5 of unloading is installed at the top of second frame 4, transport subassembly 6 that is located directly over first frame 1 is installed to top one side of second frame 4, the top center department of second frame 4 installs determine module 7, electric cabinet 3 is installed to one side of second frame 4, the internally mounted of electric cabinet 3 has PLC controller 33, 3 electric connection material loading conveyer belt 2 of electric cabinet, the conveyer belt 5 of unloading, transport subassembly 6 and determine module 7.
A CCD positioning camera 17 is fixed on one side of the first telescopic cylinder 13 through a connecting frame 16, the CCD positioning camera 17 is electrically connected with the input end of a PLC 33, and the output end of the PLC 33 is electrically connected with the first telescopic cylinder 13 and the electromagnetic chuck 15, so that the electromagnetic chuck 15 can be accurately positioned conveniently.
The detection assembly 7 comprises a detection box 18, an L-shaped clamping plate 22, a second telescopic cylinder 23, a positioning frame 24, a third telescopic cylinder 25, a pressing plate 26, a positioning plate 29 and detection needles 32, the detection box 18 is fixed at the center of the top of the second rack 4, the L-shaped clamping plate 22 is movably connected to two sides of the inner wall of the detection box 18, the second telescopic cylinder 23 is fixed to the top of the L-shaped clamping plate 22, the pressing plate 26 is installed at the bottom of the second telescopic cylinder 23, the third telescopic cylinder 25 is fixed at the center of the inner wall of the top of the detection box 18 through the positioning frame 24, the positioning plate 29 is fixed at the bottom of the third telescopic cylinder 25, and the detection needles 32 are installed at the bottom of the positioning plate 29.
The corresponding both sides inner wall of detection case 18 all installs spout 20, and the inside sliding connection of spout 20 has second slider 21, and L shape cardboard 22 is installed to top one side of second slider 21, and bottom one side of second slider 21 connects soon to be fixed with second top nut 27.
The bottom of the positioning plate 29 is provided with a plurality of positioning sleeves 30, the inside of the positioning sleeves 30 is fixedly inserted with a probe 32, and one side of the positioning sleeves 30 is fixedly screwed with a first tightening nut 31.
A display screen 34 is installed on one side of the outer wall of the detection box 18, and the detection needle 32 is electrically connected with the display screen 34, so that real-time display of the performance parameters of the modesty is facilitated.
The device comprises the following specific operation steps:
the method comprises the following steps: a motor speed reducer frequency converter to be detected is placed on a feeding conveyer belt 2 on a first rack 1, a servo motor 14 works to drive a reciprocating screw rod 11 to rotate, so that a first slide block 12 is driven to move in a slide rail 10, and an electromagnetic chuck 15 is sucked at the top of the motor speed reducer frequency converter under the action of a first telescopic cylinder 13 on a CCD positioning camera 17 which is arranged in a matched mode, so that the motor speed reducer frequency converter is moved to a discharging conveyer belt 5;
step two: the discharging conveyer belt 5 works to drive the motor speed reducer frequency converter to move to the interior of the detection box 18, when the motor speed reducer frequency converter blocks signal transmission between the infrared transmitter 19 and the infrared receiver 28, the PLC 33 controls the discharging conveyer belt 5 to stop working, and simultaneously controls the second telescopic cylinder 23 and the third telescopic cylinder 25 to work, so that the pressing plates 26 are pressed on two sides of the top of the motor speed reducer frequency converter, and the safety performance of the motor speed reducer frequency converter is detected by using the probe 32;
step three: after the detection is finished, the PLC 33 controls the second telescopic cylinder 23 and the third telescopic cylinder 25 to reset, and simultaneously controls the discharging conveyer belt 5 to work, so that the detected frequency converter of the motor speed reducer is carried away.
When the device is used, a motor reducer frequency converter to be detected is placed on the feeding conveyer belt 2 on the first rack 1, the servo motor 14 works to drive the reciprocating screw rod 11 to rotate, so that the first slide block 12 is driven to move in the slide rail 10, the electromagnetic chuck 15 is sucked at the top of the motor reducer frequency converter under the action of the first telescopic cylinder 13 by the CCD positioning camera 17 which is arranged in a matched mode, the motor reducer frequency converter is moved onto the discharging conveyer belt 5 and enters the detection assembly 7 for performance detection, automatic feeding and discharging are achieved, automatic detection is achieved, detection efficiency can be effectively improved, and labor and material costs are saved;
the discharging conveyer belt 5 works to drive the motor speed reducer frequency converter to move to the interior of the detection box 18, when the motor speed reducer frequency converter blocks signal transmission between the infrared transmitter 19 and the infrared receiver 28, the PLC 33 controls the discharging conveyer belt 5 to stop working, and simultaneously controls the second telescopic cylinder 23 and the third telescopic cylinder 25 to work, so that the pressing plates 26 are pressed on two sides of the top of the motor speed reducer frequency converter, and the safety performance detection is carried out on the motor speed reducer frequency converter by using the probe 32, thereby not only realizing the positioning of the motor speed reducer frequency converter, but also being convenient to detect and high in detection efficiency;
by loosening the second jacking nut 27, the second sliding block 21 can move in the sliding groove 20, so that the height of the L-shaped clamping plate 22 can be adjusted conveniently, the frequency converters of the motor speed reducers with different sizes can be fixed conveniently, and the use convenience is improved;
fix the probe 32 in the inside of position sleeve 30 of pegging graft to use first top lock nut 31 to fix, not only guaranteed the probe 32 stability of pegging graft fixedly, the installation is dismantled conveniently moreover, makes things convenient for the quick replacement of probe 32.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a motor reducer converter security performance check out test set for all-in-one, includes first frame (1), its characterized in that: the automatic feeding and discharging device is characterized in that a feeding conveyor belt (2) is installed at the top of the first rack (1), a second rack (4) is installed on one side of the first rack (1), the first rack (1) and the second rack (4) are vertically installed, a discharging conveyor belt (5) is installed at the top of the second rack (4), a transferring component (6) located right above the first rack (1) is installed on one side of the top of the second rack (4), a detecting component (7) is installed at the center of the top of the second rack (4), an electric cabinet (3) is installed on one side of the second rack (4), a PLC (33) is installed inside the electric cabinet (3), and the electric cabinet (3) is electrically connected with the feeding conveyor belt (2), the discharging conveyor belt (5), the transferring component (6) and the detecting component (7);
the transfer assembly (6) comprises a base (8), a support (9), a sliding rail (10), a reciprocating screw rod (11), a first sliding block (12), a first telescopic cylinder (13), a servo motor (14) and an electromagnetic chuck (15), wherein the base (8) is fixed on one side of the top of the second rack (4), the sliding rail (10) is fixed on the top of the base (8) through the support (9), the reciprocating screw rod (11) is rotatably connected inside the sliding rail (10), the servo motor (14) for driving the reciprocating screw rod (11) is installed at one end of the sliding rail (10), the first sliding block (12) is connected onto the reciprocating screw rod (11) in a meshed mode, the first telescopic cylinder (13) is installed at the bottom of the first sliding block (12), and the electromagnetic chuck (15) is installed at the bottom of the first telescopic cylinder (13);
a CCD positioning camera (17) is fixed on one side of the first telescopic cylinder (13) through a connecting frame (16), the CCD positioning camera (17) is electrically connected with the input end of a PLC (33), and the output end of the PLC (33) is electrically connected with the first telescopic cylinder (13) and the electromagnetic chuck (15);
the detection assembly (7) comprises a detection box (18), an L-shaped clamping plate (22), a second telescopic cylinder (23), a positioning frame (24), a third telescopic cylinder (25), a pressing plate (26), a positioning plate (29) and probe needles (32), the detection box (18) is fixed at the center of the top of the second rack (4), the L-shaped clamping plate (22) is movably connected to two sides of the inner wall of the detection box (18), the second telescopic cylinder (23) is fixed to the top of the L-shaped clamping plate (22), the pressing plate (26) is installed at the bottom of the second telescopic cylinder (23), the third telescopic cylinder (25) is fixed to the center of the inner wall of the top of the detection box (18) through the positioning frame (24), the positioning plate (29) is fixed to the bottom of the third telescopic cylinder (25), and the probe needles (32) are installed at the bottom of the positioning plate (29);
an infrared transmitter (19) is mounted on the inner wall of one side of the detection box (18), an infrared receiver (28) is mounted on the inner wall of the other side of the detection box (18), the infrared transmitter (19) is in signal connection with the infrared receiver (28), the infrared receiver (28) is electrically connected with the input end of a PLC (programmable logic controller) (33), and the output end of the PLC (33) is electrically connected with the discharging conveyer belt (5), the second telescopic cylinder (23) and the third telescopic cylinder (25);
sliding grooves (20) are respectively installed on the inner walls of two corresponding sides of the detection box (18), a second sliding block (21) is connected to the inside of each sliding groove (20) in a sliding mode, an L-shaped clamping plate (22) is installed on one side of the top of each second sliding block (21), and a second jacking nut (27) is fixedly screwed on one side of the bottom of each second sliding block (21);
a plurality of positioning sleeves (30) are mounted at the bottom of the positioning plate (29), a probe (32) is fixedly inserted into the positioning sleeves (30), and a first jacking nut (31) is fixedly screwed on one side of each positioning sleeve (30);
display screen (34) are installed to the outer wall one side of detection case (18), probe (32) electric connection display screen (34).
2. The safety performance detection device for the motor reducer frequency converter all-in-one machine of claim 1, characterized in that: the specific operation steps of the equipment are as follows:
the method comprises the following steps: a motor reducer frequency converter to be detected is placed on a feeding conveyor belt (2) on a first frame (1), a servo motor (14) works to drive a reciprocating screw rod (11) to rotate, so that a first sliding block (12) is driven to move in a sliding rail (10), and an electromagnetic chuck (15) is sucked at the top of the motor reducer frequency converter under the action of a first telescopic cylinder (13) in a CCD positioning camera (17) which is arranged in a matched mode, so that the motor reducer frequency converter is moved to a discharging conveyor belt (5);
step two: the discharging conveying belt (5) works to drive the motor speed reducer frequency converter to move to the interior of the detection box (18), when the motor speed reducer frequency converter blocks signal transmission between the infrared transmitter (19) and the infrared receiver (28), the PLC (33) controls the discharging conveying belt (5) to stop working, and simultaneously controls the second telescopic cylinder (23) and the third telescopic cylinder (25) to work, so that the pressing plates (26) are pressed on two sides of the top of the motor speed reducer frequency converter, and a detection needle (32) is used for detecting the safety performance of the motor speed reducer frequency converter;
step three: after detection is finished, the PLC (33) controls the second telescopic cylinder (23) and the third telescopic cylinder (25) to reset, and simultaneously controls the discharging conveyer belt (5) to work, and the detected motor reducer frequency converter is carried away.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010751060.2A CN111830351B (en) | 2020-07-30 | 2020-07-30 | Safety performance detection equipment for motor reducer and frequency converter integrated machine |
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| CN202010751060.2A CN111830351B (en) | 2020-07-30 | 2020-07-30 | Safety performance detection equipment for motor reducer and frequency converter integrated machine |
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| CN111830351B true CN111830351B (en) | 2022-11-22 |
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| CN112298903B (en) * | 2020-11-05 | 2022-06-21 | 无锡商业职业技术学院 | Square tube shape detection structure system |
| CN112454426A (en) * | 2020-12-02 | 2021-03-09 | 江苏国科中健太赫兹科技有限公司 | Epidemic prevention robot assembly test production line |
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| JPH07206129A (en) * | 1994-01-24 | 1995-08-08 | Okano Denki Kk | Substrate conveying device |
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