CN112731146A - Permanent magnet synchronous motor test bed - Google Patents
Permanent magnet synchronous motor test bed Download PDFInfo
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- CN112731146A CN112731146A CN202110022022.8A CN202110022022A CN112731146A CN 112731146 A CN112731146 A CN 112731146A CN 202110022022 A CN202110022022 A CN 202110022022A CN 112731146 A CN112731146 A CN 112731146A
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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
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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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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- 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
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- 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
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a permanent magnet synchronous motor test bed which comprises a chassis, a support column, trundles, a hydraulic cylinder, a fixed column, a fixed base plate, a sucker, a working housing, an installation base plate, a test base plate, a first buffer spring, a buffer plate, a support plate, a power supply device, an installation chamber, a test device, a supporting plate, a fixing device, a telescopic rod, a workbench, a first transmission line, a base, a second transmission line, a display screen and the like; the permanent magnet synchronous motor fixing device is reasonable and simple in structure, low in production cost and convenient to install, the permanent magnet synchronous motor can drive the fixing clamp plate to be clamped by rotating the pressing valve through the arranged fixing device, the pressing plate is driven to be pressed downwards by rotating the pressing valve to completely fix the motor, and the safety of the motor during experiments is ensured without accidents; the testing device can test the output data of the normal operation of the motor, and can test the output data after the counterweight load to enable the experimental data to be more comprehensive.
Description
Technical Field
The invention relates to the field of motor experiments, in particular to a permanent magnet synchronous motor test bed.
Background
The key point of the electromechanical integrated control technology is motor control, and in industrial production and use, quality inspection, particularly motor performance and quality inspection, is particularly important, for example, whether the quality of a motor meets the standard or not is checked, whether each technical index of the motor meets the requirement or not is confirmed, and therefore the motor test technology and the carrier play an important role in motor design and manufacture.
In the experiment of the permanent magnet synchronous motor, whether the motor works abnormally can be generally known only by adjusting and testing the motor in the required equipment, so that the testing work is particularly complicated, a large amount of time for installation and adjustment and testing is needed, and the quality cannot be tested before the motor is required to be used, and a technology is needed to solve the problem.
Disclosure of Invention
The invention aims to solve the problems that the testing work is particularly complicated and a large amount of installation and debugging time is needed because the testing of the motor before the motor is used.
In order to solve the above problems, the present invention provides a technical solution: the utility model provides a PMSM test bench, its innovation point lies in: the device comprises a chassis, a support column, trundles, a hydraulic cylinder, fixing columns, a fixed base plate, a sucker, a working cover shell, an installation base plate, a test base plate, a first buffer spring, a buffer plate, a support plate, a power supply device, an installation chamber, a test device, a supporting plate, a fixing device, a telescopic rod, a workbench, a first transmission line, a base, a second transmission line, a display screen, a first sliding groove, a first air cylinder, a first push plate and a third air cylinder; the lower surface of the chassis is fixedly connected with four struts which are distributed in a diagonal structure, and the lower ends of the struts are fixedly connected with trundles; a hydraulic cylinder is fixedly connected in the middle of the lower surface of the chassis; a fixed column is fixedly connected to the output end of the hydraulic cylinder, a fixed bottom plate is fixedly connected to the lower end of the fixed column, and a sucker is fixedly connected to the lower surface of the fixed bottom plate; the two suckers are distributed in a bilaterally symmetrical structure; the upper surface of the chassis is fixedly connected with a working housing; the surface of the left side of the working housing is fixedly connected with a support, and the upper surface of the support is fixedly connected with a support plate; the upper end of the supporting plate is connected with a power supply device; an installation chamber is arranged on the left side in the working housing cavity, an installation bottom plate is arranged at the bottom of the installation chamber, and the installation bottom plate is fixedly connected to the upper surface of the chassis; a third cylinder is fixedly connected in the mounting bottom plate; the output end of the third cylinder is fixedly connected with a telescopic rod; the upper end of the telescopic rod is fixedly connected with a supporting plate, the supporting plate is provided with two first sliding grooves, and the two first sliding grooves are distributed in a symmetrical structure; the supporting plate is connected in the cavity of the working cover shell in a sliding manner; the left side and the right side of the telescopic rod are both provided with a buffer plate, and a plurality of first buffer springs are fixedly connected between the lower surface of the buffer plate and the upper surface of the mounting bottom plate; the upper side of the supporting plate is provided with a fixing device; a testing bottom plate is arranged at the bottom of the right side in the working housing cavity and fixedly connected to the upper surface of the chassis; the upper end of the test bottom plate is provided with a test device; the upper end of the working housing is fixedly connected with a working table, the upper surface of the working table is fixedly connected with a base, and the upper end of the base is fixedly connected with a display screen; the lower surface of the base is fixedly connected with a first transmission line, and the rear end of the base is connected with a second transmission line; the surface of the front end of the working housing is fixedly connected with a first cylinder, and the output end of the first cylinder is fixedly connected with a first push plate.
Preferably, the specific structure of the power supply device is as follows: the device comprises a power supply housing, a motor, a screw rod, a shaft sleeve, a storage battery, a first power line, a second power line, a charging interface and a charging interface; the power supply housing is fixedly connected to the upper surface of the supporting plate and communicated with the working housing; the front end of the power supply housing is fixedly connected with a motor, and the output end of the motor is fixedly connected with a screw rod; the surface of the front end of the power supply housing is fixedly connected with a shaft sleeve, and a screw rod is hinged in the shaft sleeve; the lead screw is connected with a storage battery in a sliding manner, and the storage battery is connected in a cavity of the power supply housing in a sliding manner; the output end of the storage battery is fixedly connected with a first power line and a second power line, and the surface of the front end of the storage battery is provided with a charging interface; the front end of the charging interface is provided with a charging interface, and the charging interface is arranged on the surface of the front end of the power supply housing.
Preferably, the specific structure of the test device is as follows: the device comprises a second cylinder, a second push plate, a sensor, a connecting pipe, a transmission line interface, a rotating shaft, a clamping groove, a balancing weight, a second sliding groove and a sliding plate; the second cylinder is fixedly connected to the right side surface of the working housing; a second push plate is fixedly connected to the output end of the second cylinder and is connected to the cavity of the working cover shell in a sliding manner; the left side surface of the second push plate is fixedly connected with two sensors which are symmetrically distributed in the front-back direction; the input ends of the sensors are hinged with rotating shafts, and the left ends of the rotating shafts are fixedly connected with clamping grooves; a sliding plate is arranged on the lower side of the sensor and fixedly connected to the upper surface of the test bottom plate, and a second sliding groove is formed in the upper surface of the sliding plate; the two second sliding grooves are distributed in a front-back symmetrical structure; the sensors are all connected in the second sliding groove in a sliding mode; the rear end of the rotating shaft is connected with a plurality of balancing weights in a sliding way; the sensor comprises two sensors and is characterized in that a connecting pipe is fixedly connected between the output ends of the two sensors, a transmission line interface is fixedly connected to the connecting pipe, and the transmission line interface is fixedly connected with a first transmission line.
Preferably, the fixing device has a specific structure that: the device comprises a fixed housing, a sliding block, a power supply access port, a motor extension port, a fixed clamping plate, a locking block, a locking nut, a temperature detector, a cover plate, a pressure lever, a compression valve, a pressure plate, an anti-injury pad, a second buffer spring, a threaded pipe and a clamping valve; the lower surface of the fixed housing is fixedly connected with two sliding blocks which are distributed in a bilateral symmetry structure, and the sliding blocks are all connected in the first sliding groove in a sliding manner; a power supply access port is formed in the left side surface of the fixed housing; a motor extension opening is formed in the right side surface of the fixed housing; the bottom in the cavity of the fixed housing is provided with four fixed clamping plates which are distributed in a diagonal structure; the outer sides of the fixed clamping plates are fixedly connected with clamping valves; a second buffer spring is fixedly connected between the outer side of the fixed splint and the inner wall of the fixed housing cavity; the clamping valves are all in threaded connection with threaded pipes, and the threaded pipes are all fixedly connected to the bottom surface of the outer side of the fixed housing; a cover plate is arranged on the upper surface of the fixed housing, locking blocks are fixedly connected to the upper surfaces of the left end and the right end of the cover plate, and locking nuts are in threaded connection between the locking blocks and the upper surface of the fixed housing; the middle part of the upper surface of the cover plate is in threaded connection with a compression rod, and the upper end of the compression rod is fixedly connected with a compression valve; the lower end of the pressure rod is hinged with a pressure plate, and the lower surface of the pressure plate is fixedly connected with an anti-injury pad; the left side of the compression bar is provided with a temperature detector which is connected on the upper surface of the cover plate in a sliding way; and the input end of the temperature detector is fixedly connected with the second transmission line.
Preferably, the buffer plate is a rubber plate.
Preferably, the motor is a servo motor.
Preferably, the injury-prevention pad is a rubber sheet.
The invention has the beneficial effects that: the permanent magnet synchronous motor fixing device is reasonable and simple in structure, low in production cost and convenient to install, the permanent magnet synchronous motor can drive the fixing clamp plate to be clamped by rotating the pressing valve through the arranged fixing device, the pressing plate is driven to be pressed downwards by rotating the pressing valve to completely fix the motor, and the safety of the motor during experiments is ensured without accidents; the testing device can test the output data of the normal operation of the motor and can test the output data after the counterweight load, so that the experimental data is more comprehensive; the temperature detector is arranged to test the output of the rotating speed and record the heat generated by the motor for comparison so as to show whether the motor works normally or not; still set up the truckle and can make it shift and make things convenient for test experiment work, thereby the pneumatic cylinder of setting drives the fixed column and descends and drive the fixed baseplate decline and make the sucking disc of its lower surface can adsorb the stability when making its fixed assurance experiment on ground.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention.
Fig. 3 is a schematic structural diagram of a power supply device according to the present invention.
FIG. 4 is a schematic structural diagram of a testing apparatus according to the present invention.
Fig. 5 is a schematic structural diagram of the fixing device of the present invention.
Fig. 6 is a first partial structural view of the fixing device of the present invention.
Fig. 7 is a second partial structural view of the fixing device of the present invention.
1-a chassis; 2-a pillar; 3-a caster wheel; 4-a hydraulic cylinder; 5-fixing the column; 6-fixing the bottom plate; 7-a sucker; 8-a working housing; 9-mounting a bottom plate; 10-testing the bottom plate; 11-a first buffer spring; 12-a buffer plate; 13-a scaffold; 14-a support plate; 15-a power supply device; 16-an installation chamber; 17-a test device; 18-a pallet; 19-a fixture; 20-a telescopic rod; 21-a workbench; 22-a first transmission line; 23-a base; 24-a second transmission line; 25-a display screen; 26-a first sliding groove; 27-a first cylinder; 28-a first push plate; 29-a third cylinder; 150-a power supply enclosure; 151-motor; 152-a screw mandrel; 153-a shaft sleeve; 154-a storage battery; 155-first power line; 156-second power line; 157-a charging interface; 158-charging port; 170-a second cylinder; 171-a second pusher plate; 172-a sensor; 173-connecting tube; 174-a transmission line interface; 175-a rotating shaft; 176-a card slot; 178-counterweight block; 179 — second sliding groove; 180-a sliding plate; 190-fixing the housing; 191-a slider; 192-a power inlet; 193-motor extension; 194-a fixed splint; 195-a locking block; 196-a locking nut; 197-a temperature detector; 199-a cover plate; 200-a pressure lever; 201-a pinch valve; 202-a platen; 203-protective pad; 204-a second buffer spring; 205-a threaded pipe; 206-pinch valve.
Detailed Description
As shown in fig. 1 and fig. 2, the following technical solutions are adopted in the present embodiment: a permanent magnet synchronous motor test bed comprises a chassis 1, a support column 2, a caster wheel 3, a hydraulic cylinder 4, a fixing column 5, a fixing bottom plate 6, a suction cup 7, a working cover 8, a mounting bottom plate 9, a testing bottom plate 10, a first buffer spring 11, a buffer plate 12, a support 13, a support plate 14, a power supply device 15, a mounting chamber 16, a testing device 17, a support plate 18, a fixing device 19, a telescopic rod 20, a working table 21, a first transmission line 22, a base 23, a second transmission line 24, a display screen 25, a first sliding groove 26, a first air cylinder 27, a first push plate 28 and a third air cylinder 29; the lower surface of the chassis 1 is fixedly connected with four struts 2, the four struts 2 are distributed in a diagonal structure, and the lower ends of the struts 2 are fixedly connected with trundles 3; a hydraulic cylinder 4 is fixedly connected in the middle of the lower surface of the chassis 1; a fixed column 5 is fixedly connected to the output end of the hydraulic cylinder 4, the lower end of the fixed column 5 is fixedly connected with a fixed bottom plate 6, and the lower surface of the fixed bottom plate 6 is fixedly connected with a sucker 7; the two suckers 7 are distributed in a bilaterally symmetrical structure; the upper surface of the chassis 1 is fixedly connected with a working housing 8; the left side surface of the working housing 8 is fixedly connected with a support 13, and the upper surface of the support 13 is fixedly connected with a support plate 14; the upper end of the supporting plate 14 is connected with a power supply device 15; an installation chamber 16 is arranged on the left side in the cavity of the working housing 8, an installation bottom plate 9 is arranged at the bottom of the installation chamber 16, and the installation bottom plate 9 is fixedly connected to the upper surface of the chassis 1; a third cylinder 29 is fixedly connected in the mounting bottom plate 9; the output end of the third cylinder 29 is fixedly connected with a telescopic rod 20; the upper end of the telescopic rod 20 is fixedly connected with a supporting plate 18, the supporting plate 18 is provided with two first sliding grooves 26, and the two first sliding grooves 26 are distributed in a symmetrical structure; the supporting plate 18 is connected in a sliding way in the cavity of the working cover 8; the left side and the right side of the telescopic rod 20 are both provided with a buffer plate 12, and a plurality of first buffer springs 11 are fixedly connected between the lower surface of the buffer plate 12 and the upper surface of the mounting bottom plate 9; the upper side of the supporting plate 18 is provided with a fixing device 19; a testing bottom plate 10 is arranged at the bottom of the right side in the cavity of the working housing 8, and the testing bottom plate 10 is fixedly connected to the upper surface of the chassis 1; the upper end of the test bottom plate 10 is provided with a test device 17; the upper end of the working housing 8 is fixedly connected with a working table 21, the upper surface of the working table 21 is fixedly connected with a base 23, and the upper end of the base 23 is fixedly connected with a display screen 25; the lower surface of the base 23 is fixedly connected with a first transmission line 22, and the rear end of the base 23 is connected with a second transmission line 24; the front end surface of the working housing 8 is fixedly connected with a first cylinder 27, and the output end of the first cylinder 27 is fixedly connected with a first push plate 28.
As shown in fig. 3, the specific structure of the power supply device 15 is as follows: the charging device comprises a power supply housing 150, a motor 151, a screw rod 152, a shaft sleeve 153, a storage battery 154, a first power supply line 155, a second power supply line 156, a charging interface 157 and a charging interface 158; the power supply housing 150 is fixedly connected to the upper surface of the support plate 14, and the power supply housing 150 is communicated with the working housing 8; the front end of the power supply housing 150 is fixedly connected with a motor 151, and the output end of the motor 151 is fixedly connected with a screw rod 152; the front end surface of the power supply housing 150 is fixedly connected with a shaft sleeve 153, and a screw rod 152 is hinged in the shaft sleeve 153; the lead screw 152 is connected with a storage battery 154 in a sliding manner, and the storage battery 154 is connected in the cavity of the power supply cover 150 in a sliding manner; a first power line 155 and a second power line 156 are fixedly connected to the output end of the storage battery 154, and a charging interface 157 is arranged on the surface of the front end of the storage battery 154; the charging port 157 is provided at a front end thereof with a charging port 158, and the charging port 158 is provided on a front end surface of the power supply cover 150.
As shown in fig. 4, the specific structure of the testing device 17 is as follows: comprises a second air cylinder 170, a second push plate 171, a sensor 172, a connecting pipe 173, a transmission line interface 174, a rotating shaft 175, a clamping groove 176, a balancing weight 178, a second sliding groove 179 and a sliding plate 180; the second cylinder 170 is fixedly connected to the right side surface of the working housing 8; a second push plate 171 is fixedly connected to the output end of the second cylinder 170, and the second push plate 171 is slidably connected to the chamber of the working housing 8; the left side surface of the second push plate 171 is fixedly connected with two sensors 172, and the two sensors 172 are symmetrically distributed in the front-back direction; the input ends of the sensors 172 are hinged with rotating shafts 175, and the left ends of the rotating shafts 175 are fixedly connected with clamping grooves 176; a sliding plate 180 is arranged on the lower side of the sensor 172, the sliding plate 180 is fixedly connected to the upper surface of the test base plate 10, and a second sliding groove 179 is arranged on the upper surface of the sliding plate 180; two second sliding grooves 179 are arranged and are distributed in a front-back symmetrical structure; the sensors 172 are all slidably connected in the second sliding groove 179; a plurality of balancing weights 178 are slidably connected to the rear end of the rotating shaft 175; a connecting pipe 173 is fixedly connected between the output ends of the two sensors 172, a transmission line interface 174 is fixedly connected to the connecting pipe 173, and the transmission line interface 174 is fixedly connected to the first transmission line 22.
As shown in fig. 5 to 7, the fixing device 19 has the following specific structure: the device comprises a fixed cover shell 190, a sliding block 191, a power supply access port 192, a motor extension port 193, a fixed clamping plate 194, a locking block 195, a locking nut 196, a temperature detector 197, a cover plate 199, a pressure lever 200, a compression valve 201, a pressure plate 202, an anti-injury pad 203, a second buffer spring 204, a threaded pipe 205 and a clamping valve 206; the lower surface of the fixed housing 190 is fixedly connected with two sliding blocks 191, the two sliding blocks 191 are distributed in a left-right symmetrical structure, and the sliding blocks 191 are all connected in the first sliding groove 26 in a sliding manner; a power supply access port 192 is formed in the left side surface of the fixed housing 190; the right side surface of the fixed housing 190 is provided with a motor extension opening 193; the bottom in the cavity of the fixed cover 190 is provided with four fixed clamping plates 194, and the four fixed clamping plates 194 are distributed in a diagonal structure; the outer sides of the fixed clamping plates 194 are fixedly connected with clamping valves 206; a second buffer spring 204 is fixedly connected between the outer side of the fixed clamping plate 194 and the inner wall of the cavity of the fixed housing 190; the pinch valves 206 are all screwed in threaded pipes 205, and the threaded pipes 205 are all fixedly connected to the bottom surface of the outer side of the fixed casing 190; a cover plate 199 is arranged on the upper surface of the fixed cover shell 190, the upper surfaces of the left end and the right end of the cover plate 199 are fixedly connected with locking blocks 195, and locking nuts 196 are in threaded connection between the locking blocks 195 and the upper surface of the fixed cover shell 190; the middle part of the upper surface of the cover plate 199 is in threaded connection with a pressure lever 200, and the upper end of the pressure lever 200 is fixedly connected with a compression valve 201; the lower end of the pressure lever 200 is hinged with a pressure plate 202, and the lower surface of the pressure plate 202 is fixedly connected with an anti-injury pad 203; the left side of the pressure lever 200 is provided with a temperature detector 197, and the temperature detector 197 is connected to the upper surface of the cover 199 in a sliding manner; the input end of the temperature detector 197 is fixedly connected with the second transmission line 24.
Wherein, the buffer plate 12 is a rubber plate; the motor 151 is a servo motor; the injury-prevention pad 203 is a rubber sheet.
The using state of the invention is as follows: when the experiment table is used, firstly, the experiment table is moved to a required experiment position, after the experiment table is moved in place, the hydraulic cylinder 4 is started, the hydraulic cylinder 4 drives the fixed column 5 to descend, the fixed column 5 drives the fixed bottom plate 6 to descend, the fixed bottom plate 6 descends to enable the sucker 7 to be adsorbed with the bottom surface, after the adsorption and fixation are finished, the third cylinder 29 is started to enable the telescopic rod 20 to ascend, the telescopic rod 20 drives the supporting plate 18 to ascend, simultaneously drives the fixing device 19 to ascend to be parallel to the workbench 21, after the fixing device ascends to the position, the cover plate 199 is opened by rotating the locking nut 196, after the opening is finished, the permanent magnet synchronous motor to be tested is placed between the fixed clamping plates 194, one end of the motor power supply faces the power supply access 192 at the left side end, the output end of the motor extends out opening 193, after the placement is finished, the motor is clamped by rotating the clamping, namely, the pressing valve 201 is rotated to push the pressing rod 200, the pressing rod 200 drives the pressing plate 202 to press down to fix the upper and lower positions of the motor, after the fixing is finished, the third cylinder 29 is started to make the fixing device 19 descend to the buffer plate 12, after the fixing device descends to the proper position, the motor 151 is started to rotate, the motor 151 rotates to drive the screw rod 152 to rotate, the screw rod 152 rotates to drive the storage battery 154 to move to the position corresponding to the position of the fixing device 19, after the fixing device is in place, the first power line 155 and the second power line 156 are connected to the input end of the permanent magnet synchronous motor, at the moment, the second cylinder 170 is started, the second cylinder 170 drives the second pressing plate 171 to move leftwards to the front end clamping groove 176 to be connected with the output end of the permanent magnet synchronous motor, at the moment, the motor rotates to drive the front end clamping groove 176, the clamping groove 176 rotates to, when the index of the motor load usage needs to be checked, the fixing device 19 is moved to the rear end clamping groove 176 to be connected with the rear end clamping groove 176 for movement, the motor 151 is started to drive the storage battery 154 to the corresponding position, the permanent magnet synchronous motor is started to rotate, the rear end clamping groove 176 is driven to rotate, meanwhile, the balancing weight 178 is driven to rotate, the experimental index is transmitted when the load operation is achieved, the temperature detector 197 is started during testing, the temperature generated when the motor rotates is recorded, the temperature is transmitted to the display screen to provide reference, the device is reset completely after the testing is finished, and the motor is taken out to finish the testing.
In the description of the invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the invention is understood by those skilled in the art according to specific situations.
While there have been shown and described what are at present considered the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
The control mode of the invention is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power source belong to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the wiring arrangement are not explained in detail in the invention.
Claims (7)
1. The utility model provides a PMSM test bench which characterized in that: the device comprises a chassis (1), a support column (2), trundles (3), hydraulic cylinders (4), fixing columns (5), a fixing base plate (6), suckers (7), a working cover shell (8), a mounting base plate (9), a testing base plate (10), a first buffer spring (11), a buffer plate (12), a support (13), a support plate (14), a power supply device (15), a mounting chamber (16), a testing device (17), a support plate (18), a fixing device (19), an expansion rod (20), a workbench (21), a first transmission line (22), a base (23), a second transmission line (24), a display screen (25), a first sliding groove (26), a first air cylinder (27), a first push plate (28) and a third air cylinder (29);
the lower surface of the chassis (1) is fixedly connected with four struts (2), the four struts (2) are distributed in a diagonal structure, and the lower ends of the struts (2) are fixedly connected with trundles (3);
a hydraulic cylinder (4) is fixedly connected in the middle of the lower surface of the chassis (1);
a fixed column (5) is fixedly connected to the output end of the hydraulic cylinder (4), a fixed bottom plate (6) is fixedly connected to the lower end of the fixed column (5), and a sucking disc (7) is fixedly connected to the lower surface of the fixed bottom plate (6);
the two suckers (7) are distributed in a bilaterally symmetrical structure;
the upper surface of the chassis (1) is fixedly connected with a working housing (8);
the surface of the left side of the working housing (8) is fixedly connected with a support (13), and the upper surface of the support (13) is fixedly connected with a support plate (14);
the upper end of the supporting plate (14) is connected with a power supply device (15);
an installation chamber (16) is arranged on the left side in the cavity of the working housing (8), an installation bottom plate (9) is arranged at the bottom of the installation chamber (16), and the installation bottom plate (9) is fixedly connected to the upper surface of the chassis (1);
a third cylinder (29) is fixedly connected in the mounting bottom plate (9);
the output end of the third cylinder (29) is fixedly connected with a telescopic rod (20);
the upper end of the telescopic rod (20) is fixedly connected with a supporting plate (18), the supporting plate (18) is provided with two first sliding grooves (26), and the two first sliding grooves (26) are distributed in a symmetrical structure;
the supporting plate (18) is connected in a cavity of the working housing (8) in a sliding manner;
the left side and the right side of the telescopic rod (20) are respectively provided with a buffer plate (12), and a plurality of first buffer springs (11) are fixedly connected between the lower surface of the buffer plate (12) and the upper surface of the mounting bottom plate (9);
a fixing device (19) is arranged on the upper side of the supporting plate (18);
a testing bottom plate (10) is arranged at the bottom of the right side in the cavity of the working housing (8), and the testing bottom plate (10) is fixedly connected to the upper surface of the chassis (1);
the upper end of the test bottom plate (10) is provided with a test device (17);
the upper end of the working housing (8) is fixedly connected with a working table (21), the upper surface of the working table (21) is fixedly connected with a base (23), and the upper end of the base (23) is fixedly connected with a display screen (25);
the lower surface of the base (23) is fixedly connected with a first transmission line (22), and the rear end of the base (23) is connected with a second transmission line (24);
the surface of the front end of the working housing (8) is fixedly connected with a first cylinder (27), and the output end of the first cylinder (27) is fixedly connected with a first push plate (28).
2. The permanent magnet synchronous motor test stand according to claim 1, characterized in that: the specific structure of the power supply device (15) is as follows: the device comprises a power supply housing (150), a motor (151), a screw rod (152), a shaft sleeve (153), a storage battery (154), a first power line (155), a second power line (156), a charging interface (157) and a charging interface (158);
the power supply housing (150) is fixedly connected to the upper surface of the support plate (14), and the power supply housing (150) is communicated with the working housing (8);
the front end of the power supply housing (150) is fixedly connected with a motor (151), and the output end of the motor (151) is fixedly connected with a screw rod (152);
the surface of the front end of the power supply housing (150) is fixedly connected with a shaft sleeve (153), and a screw rod (152) is hinged in the shaft sleeve (153);
the lead screw (152) is connected with a storage battery (154) in a sliding manner, and the storage battery (154) is connected in a cavity of the power supply housing (150) in a sliding manner;
a first power line (155) and a second power line (156) are fixedly connected to the output end of the storage battery (154), and a charging interface (157) is arranged on the surface of the front end of the storage battery (154);
the front end of the charging interface (157) is provided with a charging interface (158), and the charging interface (158) is arranged on the surface of the front end of the power supply housing (150).
3. The permanent magnet synchronous motor test stand according to claim 1, characterized in that: the specific structure of the testing device (17) is as follows: the device comprises a second air cylinder (170), a second push plate (171), a sensor (172), a connecting pipe (173), a transmission line interface (174), a rotating shaft (175), a clamping groove (176), a balancing weight (178), a second sliding groove (179) and a sliding plate (180);
the second cylinder (170) is fixedly connected to the right side surface of the working housing (8);
a second push plate (171) is fixedly connected to the output end of the second air cylinder (170), and the second push plate (171) is slidably connected into the cavity of the working housing (8);
the left side surface of the second push plate (171) is fixedly connected with two sensors (172), and the two sensors (172) are symmetrically distributed in the front-back direction;
the input ends of the sensors (172) are hinged with rotating shafts (175), and the left ends of the rotating shafts (175) are fixedly connected with clamping grooves (176);
a sliding plate (180) is arranged on the lower side of the sensor (172), the sliding plate (180) is fixedly connected to the upper surface of the test bottom plate (10), and a second sliding groove (179) is formed in the upper surface of the sliding plate (180);
two second sliding grooves (179) are arranged and are distributed in a front-back symmetrical structure;
the sensors (172) are all connected in a sliding mode in the second sliding groove (179);
a plurality of balancing weights (178) are connected on the rotating shaft (175) at the rear end in a sliding way;
the sensor comprises two sensors (172), wherein a connecting pipe (173) is fixedly connected between output ends of the two sensors, a transmission line interface (174) is fixedly connected to the connecting pipe (173), and the transmission line interface (174) is fixedly connected with a first transmission line (22).
4. The permanent magnet synchronous motor test stand according to claim 1, characterized in that: the fixing device (19) has the following specific structure: the device comprises a fixed cover shell (190), a sliding block (191), a power supply access port (192), a motor extension port (193), a fixed clamping plate (194), a locking block (195), a locking nut (196), a temperature measurer (197), a cover plate (199), a pressure lever (200), a compression valve (201), a pressure plate (202), an anti-injury pad (203), a second buffer spring (204), a threaded pipe (205) and a clamping valve (206);
the lower surface of the fixed housing (190) is fixedly connected with two sliding blocks (191), the two sliding blocks (191) are distributed in a left-right symmetrical structure, and the sliding blocks (191) are all connected in the first sliding groove (26) in a sliding mode;
a power supply access port (192) is formed in the left side surface of the fixed housing (190);
the right side surface of the fixed housing (190) is provided with a motor extension opening (193);
the bottom in the cavity of the fixed housing (190) is provided with four fixed clamping plates (194), and the four fixed clamping plates (194) are distributed in a diagonal structure;
the outer sides of the fixed clamping plates (194) are fixedly connected with clamping valves (206);
a second buffer spring (204) is fixedly connected between the outer side of the fixed clamping plate (194) and the inner wall of the cavity of the fixed housing (190);
the clamping valves (206) are all screwed in threaded pipes (205), and the threaded pipes (205) are all fixedly connected to the bottom surface of the outer side of the fixed casing (190);
a cover plate (199) is arranged on the upper surface of the fixed cover shell (190), locking blocks (195) are fixedly connected to the upper surfaces of the left end and the right end of the cover plate (199), and locking nuts (196) are in threaded connection between the locking blocks (195) and the upper surface of the fixed cover shell (190);
the middle of the upper surface of the cover plate (199) is in threaded connection with a pressure lever (200), and the upper end of the pressure lever (200) is fixedly connected with a compression valve (201);
the lower end of the pressure lever (200) is hinged with a pressure plate (202), and the lower surface of the pressure plate (202) is fixedly connected with an anti-injury pad (203);
a temperature detector (197) is arranged on the left side of the pressure lever (200), and the temperature detector (197) is connected to the upper surface of the cover plate (199) in a sliding manner;
the input end of the temperature detector (197) is fixedly connected with the second transmission line (24).
5. The permanent magnet synchronous motor test stand according to claim 1, characterized in that: the buffer plate (12) is a rubber plate.
6. The permanent magnet synchronous motor test stand according to claim 2, characterized in that: the motor (151) is a servo motor.
7. The permanent magnet synchronous motor test stand according to claim 4, characterized in that: the injury-preventing pad (203) is a rubber sheet.
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| CN202110022022.8A CN112731146B (en) | 2021-01-08 | 2021-01-08 | Permanent magnet synchronous motor test bed |
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| CN202110022022.8A CN112731146B (en) | 2021-01-08 | 2021-01-08 | Permanent magnet synchronous motor test bed |
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