CN114878043A - System and method for testing manufacturing performance of permanent magnet motor - Google Patents
System and method for testing manufacturing performance of permanent magnet motor Download PDFInfo
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- CN114878043A CN114878043A CN202210550819.XA CN202210550819A CN114878043A CN 114878043 A CN114878043 A CN 114878043A CN 202210550819 A CN202210550819 A CN 202210550819A CN 114878043 A CN114878043 A CN 114878043A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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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
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Abstract
The invention relates to the technical field of permanent magnet motor testing, in particular to a system and a method for testing the manufacturing performance of a permanent magnet motor. The invention can realize the function of the permanent magnet motor production line type performance test by matching the sliding platform and the lifting platform, and the clamping unit mainly plays the roles of clamping and fixing the permanent magnet motor and moving and carrying the permanent magnet motor on the sliding platform and the lifting platform; the quick insertion of the motor output shaft and the butt joint can be realized through the butt joint mechanism, meanwhile, the butt joint of the motor output shafts with different specifications can be realized through the second spline shafts with different specifications, and the application range of the invention is improved.
Description
Technical Field
The invention relates to the technical field of permanent magnet motor testing, in particular to a system and a method for testing manufacturing performance of a permanent magnet motor.
Background
The permanent magnet motor provides excitation by the permanent magnet, so that the structure of the motor is simpler, the processing and assembly cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; and because excitation current and excitation loss are not needed, the efficiency and the power density of the motor are improved, and the motor transmits torque through the output shaft, so that the torque of the output shaft of the motor needs to be tested during production of the motor to ensure that the torque of the output shaft meets the specified requirements.
In prior art, be a motor output shaft torque testing arrangement that CN211477471U provided as publication number, including the bottom plate, the movable plate is installed through the translation structure in the top of bottom plate, the lift seat is installed through elevation structure in the top of movable plate, T shape spout has been seted up at the top of lift seat, the bar hole has been seted up at the top of lift seat, slidable mounting has T shape slide in the T shape spout, the top both ends of T shape slide all are fixed with the screw rod, the screw rod is located the bar downthehole, the nut has been cup jointed through the screw thread on the screw rod, the top installation of T shape slide remains to measure the motor, the top of bottom plate is fixed with the mounting panel. The utility model discloses can conveniently carry out X axial, Y axial, Z axial to the motor that awaits measuring and adjust to can test the output shaft moment of torsion of different model motors, simultaneously, need not the repeated installation when testing the output shaft moment of torsion of different model motors, can avoid the error that causes in the repeated installation, improve the convenience of operation.
In the prior art, the T-shaped sliding seat is a certain height away from the bottom plate, so that the motor needs to be transported to the T-shaped sliding seat, when the size of the motor to be tested is large, the motor to be tested has heavy gravity and is difficult to transport, and the traditional transporting mode mainly uses manual work or existing hoisting equipment for hoisting, so that the transporting, loading and taking-out are slow, and the testing efficiency is influenced; meanwhile, after the motor is conveyed to the T-shaped sliding seat, the position of the motor needs to be adjusted to ensure that the motor can be connected with the torque sensor, so that much time is spent on adjusting the position of the motor, and the testing efficiency of the motor is further influenced; meanwhile, the output shaft of the motor is connected with the torsion sensor through the coupler, so that the output shaft is required to be connected to the coupler when the motor is tested every time, and the output shaft is not in quick butt joint with the torsion sensor, so that the testing time is reduced; and the diameter size of its output shaft is different when the motor to different specifications, needs to change different shaft couplings just can realize connecting, further influences the efficiency of software testing of motor.
Disclosure of Invention
The invention provides a system and a method for testing manufacturing performance of a permanent magnet motor, which can solve the problems.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a permanent magnet motor manufacturing capability test system, is including installing the base plate on current platform, the base plate top is provided with the roof that the level was placed, the roof is fixed on the base plate through four support risers, it all is provided with sliding platform just to be located the roof left and right sides on the base plate, be provided with elevating gear on the roof, the roof right side is provided with and is used for detecting the torsional detection device of motor output shaft.
The lifting device comprises a lifting platform arranged below the top plate in a sliding mode, two lifting portions which are distributed in a bilateral symmetry mode are arranged at the front end and the rear end of the lifting platform, a lifting screw rod is connected to the lifting portions in a rotating mode, the upper end of the lifting screw rod penetrates through the top plate and is connected with a chain wheel in a threaded mode, the chain wheel is installed on the top plate in a rotating mode, the chain wheel is connected with the chain wheel through a transmission chain, and a clamping unit is arranged on the lifting platform.
The centre gripping unit sets up the centre gripping bottom plate on lift platform including sliding, the bar hole that just link up from top to bottom of two front and back symmetric distributions is seted up to centre gripping bottom plate right-hand member, it is provided with the locating piece, two to slide in the bar hole the locating piece is through same biax screw rod threaded connection, and this biax screw rod passes through the bearing and installs on the centre gripping bottom plate, the screw thread post is installed through the detachable mode to the locating piece upper end, and threaded connection has first nut on the screw thread post, screw thread top of the post portion is provided with round platform awl structure.
The utility model discloses a clamping device, including centre gripping bottom plate, regulation slide opening, rotation lead screw, and rotation lead screw left end run through the centre gripping bottom plate, it is provided with the bearing slide to slide in the regulation slide opening, bearing slide and rotation lead screw threaded connection, be provided with locking Assembly on the bearing slide.
As a preferred technical scheme of the invention, the locking assembly comprises locking holes arranged at the front end and the rear end of the bearing sliding plate and a locking screw rod which penetrates through a machine foot hole in a sliding manner, limiting baffles are arranged at the left side and the right side of each locking hole, an auxiliary rod is connected to the lower end of the locking screw rod, the diameter of the auxiliary rod is smaller than the distance between the two limiting baffles in the locking holes, a strip-shaped locking block is arranged at the lower end of the auxiliary rod, the width of the strip-shaped locking block is smaller than the distance between the two limiting baffles in the locking holes, the length of the strip-shaped locking block is larger than the distance between the two limiting baffles in the locking holes, a rotating handle is arranged at the top of the locking screw rod, and a second nut is in threaded connection with the part, which is positioned above the machine foot hole, on the locking screw rod.
As a preferred technical scheme of the invention, the front end and the rear end of the lower end surface of the clamping bottom plate are both provided with guide strips, the lifting platform is provided with guide grooves in sliding fit with the guide strips, and the sliding platform is also provided with guide grooves in sliding fit with the guide strips.
According to a preferred technical scheme, two positioning assemblies distributed in the front and back are arranged at the left end and the right end of the lifting platform respectively, each positioning assembly comprises a withdrawal groove formed in the side edge of the lifting platform, a positioning plate is arranged in each withdrawal groove in a rotating mode through a rotating shaft, a through hole is formed in the upper end of each positioning plate, a pressing plate is arranged in each through hole in a sliding mode, protruding portions are arranged on the front side and the back side, facing one end of the middle of the lifting platform, of each pressing plate, a groove facilitating withdrawal of the protruding portions is formed in the through holes, a threaded hole communicated with the through holes is formed in the top of each positioning plate, a positioning bolt is connected with the threaded hole in a threaded mode, and a circular groove matched with the lower end of each positioning bolt is formed in the upper end face of each pressing plate.
According to a preferable technical scheme of the invention, the supporting vertical plate is provided with a limiting groove in sliding fit with the lifting part, a first scale strip is arranged on the supporting vertical plate and on one side of the limiting groove, a second scale strip is arranged at the right end of the clamping bottom plate, and the second scale strip is matched with the two strip-shaped holes.
As a preferred technical scheme of the invention, the detection device comprises an installation platform which is arranged above the base plate and positioned on the right side of the top plate, the installation platform is fixed on the base plate through a plurality of support legs, a torque sensor is installed on the installation platform through an installation base, an input shaft at the right end of the torque sensor is connected with an output shaft of a detection motor through a coupler, the detection motor is installed on the installation platform through a motor base, an output shaft at the left end of the torque sensor is connected with a docking mechanism installed on the installation platform, and the docking mechanism is matched with an output shaft of the motor.
As a preferred technical scheme of the invention, the docking mechanism comprises a fixing ring which is installed on the installation platform through a base, a detection shaft is rotatably installed in the fixing ring, the right end of the detection shaft is connected with an output shaft at the left end of the torque sensor through a coupler, a first spline groove is formed in the left end of the detection shaft, a first spline shaft is arranged in the first spline groove in a sliding mode, and the left end of the first spline shaft is connected with a docking head.
As a preferable technical scheme of the present invention, a second spline groove is formed at the left end of the butt joint, a second spline shaft is slidably disposed in the second spline groove, the second spline shaft is of a hollow tubular structure, and a flat key block matched with the flat spline groove formed at the end portion of the motor output shaft is disposed on an inner side wall of the second spline groove.
A plurality of round holes are evenly formed in the outer side wall of the butt joint in the circumferential direction, a pin shaft is connected to the round holes in an inner threaded mode, and a pin groove matched with the pin shaft is formed in the outer side wall of the second spline shaft.
In addition, the invention also provides a use method of the permanent magnet motor manufacturing performance test system for testing the torque of the output shaft of the permanent magnet motor, which comprises the following steps: s1, firstly, adjusting the distance between two positioning blocks according to the distance between two machine foot holes on the same side of two motor machine feet of the permanent magnet motor to be detected, then placing the permanent magnet motor on a clamping bottom plate to ensure that the machine foot holes on the right sides of the two motor machine feet are smoothly inserted into the two bolt columns, and simultaneously fixing the motor body on the clamping bottom plate through a locking assembly.
S2, under the drive of the existing drive, the four chain wheels rotate on the top plate through the matching of the chain wheels and the transmission chain, and then the chain wheels enable the lifting screw rod to move upwards through a threaded connection mode, so that the lifting platform is driven to move upwards, and the output shaft of the motor moves upwards to the same height with the butt joint.
S3, selecting a second spline shaft which is matched according to the diameter size of the motor output shaft and the size of the flat key groove, installing the second spline shaft in the second spline groove, and locking and fixing the second spline shaft on the butt joint through a pin shaft; and then the butt joint is pushed to the direction, so that the output shaft of the motor is sleeved on the second spline shaft through the flat key block.
S4, detecting the torque sensor at the output end of the motor to rotate the detecting ring, further rotating the output shaft of the motor, so that the torque sensor can detect the torque data of the output shaft of the motor, and judging whether the motor body meets the standard requirement.
S5, after the test is finished, the existing drive is reversed to move the lifting platform downwards, and further the clamping unit is pushed to move to the sliding platform at the right end of the substrate.
The invention has the beneficial effects that: 1. the invention can realize the function of the production line type performance test of the permanent magnet motor by matching the sliding platform and the lifting platform, the number of the clamping units is multiple, the clamping units are mainly used for clamping and fixing the permanent magnet motor and moving and carrying the permanent magnet motor on the sliding platform and the lifting platform, and the permanent magnet motor to be tested does not need to be carried manually or by the existing hoisting equipment; according to the invention, the output shaft of the motor and the butt joint can be rapidly inserted and connected through the butt joint mechanism, and meanwhile, the output shafts of the motors with different specifications can be butted through the second spline shafts with different specifications, so that the application range of the invention is widened.
2. The clamping bottom plate of the invention positions and fixes the motor body placed on the clamping bottom plate through the strip-shaped hole, the threaded column on the positioning block in the strip-shaped hole, the locking component on the adjusting slide hole and the bearing slide plate in the adjusting slide hole, and is suitable for clamping and fixing permanent magnet motors with different specifications.
3. The clamping bottom plate arranged on the lifting platform is positioned and locked through the positioning assembly, so that the motor body is ensured to be kept stable and motionless when the motor output shaft on the clamping bottom plate is tested, and the motor body is prevented from influencing the test of the torque of the motor output shaft.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view between the clamping unit and the elevating platform of the present invention.
Fig. 3 is an enlarged view of a portion of the invention at a in fig. 2.
Fig. 4 is a partial enlarged view of the invention at B in fig. 2.
Fig. 5 is a schematic bottom view of the clamping unit of the present invention.
Fig. 6 is an enlarged view of a portion of the invention at C in fig. 5.
FIG. 7 is a schematic view of the structure of the detecting device of the present invention.
Fig. 8 is an enlarged view of a portion of the invention at D in fig. 7.
Figure 9 is a perspective view of a permanent magnet electric machine to be tested according to the present invention.
In the figure: 100. a motor body; 110. a motor foot; 120. a pin hole; 130. an output shaft of the motor; 1. a substrate; 2. a top plate; 3. a support vertical plate; 31. a limiting groove; 32. a first scale bar; 4. a sliding platform; 5. a lifting device; 51. a lifting platform; 52. a lifting part; 53. a lifting screw rod; 54. a sprocket; 55. a drive chain; 56. a clamping unit; 561. clamping the bottom plate; 5611. a strip-shaped hole; 5612. adjusting the sliding hole; 5613. a guide strip; 5614. a guide groove; 5615. a second scale bar; 562. positioning blocks; 563. a double-shaft screw; 564. a threaded post; 5641. a truncated cone structure; 565. a first nut; 566. rotating the screw rod; 567. supporting the sliding plate; 568. a locking assembly; 5681. a locking hole; 5682. locking the screw rod; 5683. a limit baffle; 5684. an auxiliary lever; 5685. a strip-shaped locking block; 5686. rotating the handle; 5687. a second nut; 57. a positioning assembly; 571. a withdrawal groove; 572. positioning a plate; 573. a through hole; 574. a compression plate; 575. a protrusion; 576. a groove; 577. positioning the bolt; 578. a circular groove; 6. a detection device; 61. mounting a platform; 62. supporting legs; 63. a torque sensor; 64. detecting a motor; 65. a docking mechanism; 651. a fixing ring; 652. detecting a shaft; 653. a first spline groove; 654. a first spline shaft; 655. a butt joint; 656. a second spline groove; 657. a second spline shaft; 6571. a pin shaft; 658. a flat key block.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
The first embodiment is as follows:
referring to fig. 1, this embodiment discloses a permanent magnet motor manufacturing capability test system, including installing base plate 1 on current platform, base plate 1 top is provided with roof 2 that the level was placed, roof 2 is fixed on base plate 1 through four supporting riser 3, base plate 1 is gone up and is located 2 left and right sides of roof and all is provided with sliding platform 4, be provided with elevating gear 5 on the roof 2, 2 right sides of roof are provided with and are used for detecting the torsional detection device 6 of motor 64 output shaft.
Referring to fig. 1 and 2, the lifting device 5 includes a lifting platform 51 slidably disposed below the top plate 2, two lifting portions 52 symmetrically disposed at the front and rear ends of the lifting platform 51 are disposed at the front and rear ends of the lifting platform 51, the lifting portions 52 are rotatably connected to a lifting screw 53, the upper end of the lifting screw 53 penetrates through the top plate 2 and is connected with a chain wheel 54 through a thread, the chain wheel 54 is rotatably mounted on the top plate 2, the four chain wheels 54 are connected through a transmission chain 55, and a clamping unit 56 is disposed on the lifting platform 51.
When the permanent magnet motor assembly line type detection device works, the permanent magnet motor assembly line type detection can be realized through the matching of the sliding platform 4 and the lifting platform 51, the number of the clamping units 56 is multiple, the clamping unit 56 is arranged on the sliding platform 4 at the left end of the base plate 1 in a sliding mode, the assembled motor body 100 is conveyed to the clamping unit 56, then the clamping unit 56 is pushed to move to the lifting platform 51, then the four chain wheels 54 rotate on the top plate 2 under the driving of the existing drive and the matching of the chain wheels 54 and the transmission chain 55, further the lifting screw 53 is moved upwards by the chain wheels 54 in a threaded connection mode, so that the lifting platform 51 is driven to move upwards, the motor output shaft 130 is conveniently butted with the detection device 6, further the detection device 6 can test the torque of the motor output shaft 130, after the test is finished, the motor output shaft 130 is separated from the connection with the detection device 6, meanwhile, the existing drive is reversely rotated to move the lifting screw 53 downwards, so that the lifting platform 51 downwards moves to the substrate 1, then the clamping unit 56 on the lifting platform 51 is pushed to move to the sliding platform 4 at the right end of the substrate 1, and then the clamping unit 56 on the sliding platform 4 at the left end of the substrate 1, which is provided with the motor body 100 to be tested, moves to the lifting platform 51, so that the motor body 100 can be tested, and meanwhile, the motor body 100 clamped by the clamping unit 56 on the sliding platform 4 at the right end of the substrate 1 is transported and moved away.
Referring to fig. 2, fig. 3 and fig. 5, in order to ensure that the permanent magnet motor to be measured is kept in a stable state when placed on the clamping unit 56, the clamping unit 56 includes a clamping bottom plate 561 slidably disposed on the lifting platform 51, two strip-shaped holes 5611 which are symmetrically disposed in front and back and run through from top to bottom are disposed at the right end of the clamping bottom plate 561, a positioning block 562 is slidably disposed in each strip-shaped hole 5611, the two positioning blocks 562 are in threaded connection through a same double-shaft screw 563, the double-shaft screw 563 is mounted on the clamping bottom plate 561 through a bearing, a threaded column 564 is detachably mounted at the upper end of the positioning block 562, a first nut 565 is in threaded connection with the threaded column 564, and a circular truncated cone structure 5641 is disposed at the top of the threaded column 564.
An adjusting sliding hole 5612 is formed in the left side of the clamping base plate 561, a rotating screw rod 566 is rotatably installed in the adjusting sliding hole 5612, the left end of the rotating screw rod 566 penetrates through the clamping base plate 561, a bearing sliding plate 567 is slidably arranged in the adjusting sliding hole 5612, the bearing sliding plate 567 is in threaded connection with the rotating screw rod 566, and a locking assembly 568 is arranged on the bearing sliding plate 567.
During specific work, according to the distance between the two machine foot holes 120 on the same side of the two motor machine feet 110 of the permanent magnet motor to be tested, the distance between the two positioning blocks 562 is adjusted through the double-shaft screw 563, and the machine foot holes 120 on the right sides of the two motor machine feet 110 are ensured to be smoothly inserted into the two bolt columns; the motor body 100 is placed on the clamping bottom plate 561 through the motor foot 110, the motor output shaft 130 is ensured to face to the right side, meanwhile, the foot hole 120 on the right side of the motor foot 110 is inserted into the threaded column 564, so that the position of the motor body 100 is limited, and meanwhile, the axis of the motor output shaft 130 is ensured to face to the right side horizontally, and the circular truncated cone structure 5641 arranged at the top of the threaded column 564 can enable the foot hole 120 and the threaded column 564 to be inserted and butted smoothly; the rotation screw 566 is then threaded to move the support slide 567 within the adjustment slide 5612 to allow the locking assembly 568 on the support slide 567 to engage the foot opening 120 on the left side of the motor foot 110 to lock and secure the left side of the motor foot 110.
Referring to fig. 2, 5 and 6, further, the locking assembly 568 designed in this embodiment can fix the left end of the motor foot 110 to the clamping bottom plate 561 quickly, efficiently and simply, the locking assembly 568 includes locking holes 5681 formed at the front and rear ends of the supporting slide plate 567 and a locking screw 5682 slidably penetrating through the foot hole 120, the left and right sides of the locking hole 5681 are respectively provided with a limit stop 5683, the lower end of the locking screw 5682 is connected with an auxiliary rod 5684, the diameter of the auxiliary rod 5684 is smaller than the distance between the two limit stops 5683 in the locking hole 5681, the lower end of the auxiliary rod 5684 is provided with a bar-shaped locking block 5685, the width of the bar-shaped locking block 5685 is smaller than the distance between the two limit stops 5683 in the locking hole 5681, the length of the bar-shaped locking block 5685 is larger than the distance between the two limit stops 5683 in the locking hole 5681, the top of the locking screw 5682 is provided with a rotating handle 5686, a second nut 5687 is threadedly connected to the locking screw 5682 above the pin hole 120.
When the motor foot fixing device works specifically, the bar-shaped locking block 5685, the auxiliary rod 5684 and the locking screw 5682 sequentially penetrate through the foot hole 120 at the left end of the motor foot 110, the bar-shaped locking block 5685 penetrates into the locking hole 5681, the bar-shaped locking block 5685 penetrates through the limiting baffles 5683, the auxiliary rod 5684 is located between the two limiting baffles 5683, then the rotating handle 5686 is screwed to enable the bar-shaped locking block 5685 to rotate, so that the upper end face of the bar-shaped locking block 5685 is in contact with the lower end face of the limiting baffles 5683, meanwhile, the second nut 5687 is screwed to enable the upper end face of the bar-shaped locking block 5685 to be abutted against the lower end face of the limiting baffles 5683, and therefore the bearing sliding plate 567 and the motor foot 110 are fixed together through the bar-shaped locking block 5685 and the second nut 5687; it should be noted that the length of the locking bar 5685 of the present invention is smaller than the diameter of the pin hole 120 to ensure that the locking bar 5685 can pass through the pin hole 120.
Referring to fig. 1, fig. 2 and fig. 5, in addition, in order to avoid the problem that the abutting joint of the motor output shaft 130 and the detection device 6 is affected by the front-back deviation of the clamping bottom plate 561 when moving on the sliding platform 4 and the lifting platform 51, guide bars 5613 are arranged at the front end and the rear end of the lower end surface of the clamping bottom plate 561, a guide groove 5614 in sliding fit with the guide bars 5613 is formed in the lifting platform 51, and a guide groove 5614 in sliding fit with the guide bars 5613 is also formed in the sliding platform 4.
Referring to fig. 4, further, after the clamping bottom plate 561 moves onto the lifting platform 51, in order to ensure that the clamping bottom plate 561 remains stable on the lifting platform 51 and also ensure that the motor body 100 remains stable when the detecting device 6 tests the torque of the motor output shaft 130, two positioning assemblies 57 distributed back and forth are disposed at both left and right ends of the lifting platform 51, each positioning assembly 57 includes a withdrawing slot 571 disposed at a side of the lifting platform 51, a positioning plate 572 is rotated in the withdrawing slot 571 through a rotating shaft, a through hole 573 is disposed at an upper end of the positioning plate 572, a pressing plate 574 is slidably disposed in the through hole 573, protrusions 575 are disposed at both front and rear sides of the pressing plate 574 toward one end of the middle of the lifting platform 51, a groove 576 convenient for withdrawing the protrusions is disposed at one end of the positioning plate toward the middle of the lifting platform 51 and at the through hole 573, the top of the positioning plate 572 is provided with a threaded hole communicated with the through hole 573, a positioning bolt 577 is connected in the threaded hole, and the upper end surface of the pressure plate 574 is provided with a circular groove 578 matched with the lower end of the positioning bolt 577.
During specific work, the positioning plate 572 horizontally placed in the retreat groove 571 is rotated upwards to keep the positioning plate in a vertical state, then the pressing plate 574 in the through hole 573 is pushed to move towards the middle of the lifting platform 51, so that one end, facing the middle of the lifting platform 51, of the pressing plate 574 is positioned above the clamping bottom plate 561, then the positioning bolt 577 is screwed, the lower end of the positioning bolt 577 moves downwards to the circular groove 578, the pressing plate 574 is pressed downwards continuously, so that the pressing plate 574 presses the clamping bottom plate 561, and finally the clamping bottom plate 561 is positioned and pressed on the lifting platform 51, and the motor output shaft 130 on the clamping bottom plate 561 is ensured to be in smooth butt joint with the detection device 6; after the test is completed, the positioning bolt 577 is turned reversely so that the pressing plate 574 does not press the clamping bottom plate 561, then the positioning plate 572 is turned downward so that the positioning plate 572 is turned into the retreat groove 571, and at the same time, the pressing plate 574 moves toward the groove 576 of the through hole 573 until the protrusion 575 moves into the groove 576, and the present invention ensures that the pressing plate 574 does not affect the movement of the clamping bottom plate 561 on the lifting platform 51 through the groove 576.
Referring to fig. 1 and 3, a limit groove 31 slidably engaged with the lifting portion 52 is formed in the support riser 3, a first scale bar 32 (scales are not shown) is disposed on the support riser 3 and on one side of the limit groove 31, a second scale bar 5615 (scales are not shown) is disposed at the right end of the clamping bottom plate 561, and the second scale bar 5615 is engaged with the two bar-shaped holes 5611.
During specific work, when aiming at permanent magnet motors with different specifications, and the heights of the motor output shafts 130 are different, so that the upward moving heights of the lifting platform 51 are different, the upward moving height of the lifting platform 51 can be accurately measured through the first scale strip 32, the motor output shafts 130 can be ensured to be smoothly butted with the detection device 6, and meanwhile, the distance between the two positioning blocks 562 can be measured through the second scale strip 5615, so that the machine foot hole 120 at the right end of the motor machine foot 110 can be smoothly inserted into the threaded column 564.
Example two:
referring to fig. 1 and 7, on the basis of the first embodiment, in order to ensure that the motor output shafts 130 of different specifications can be in butt joint with the detection device 6 and ensure that the motor output shafts 130 are in butt joint with the detection device 6 quickly, the detection device 6 includes a mounting platform 61 disposed above the base plate 1 and located on the right side of the top plate 2, the mounting platform 61 is fixed on the base plate 1 through a plurality of support legs 62, a torque sensor 63 is mounted on the mounting platform 61 through a mounting seat, an input shaft at the right end of the torque sensor 63 is connected with an output shaft of a detection motor 64 through a coupling, the detection motor 64 is mounted on the mounting platform 61 through a motor seat, an output shaft at the left end of the torque sensor 63 is connected with a butt joint mechanism 65 mounted on the mounting platform 61, and the butt joint mechanism 65 is matched with the motor output shafts 130.
During specific work, the docking mechanism 65 is docked with the motor output shaft 130, then the motor 64 is detected to be started and drive the input shaft and the output shaft of the torque sensor 63 to rotate, and further the docking mechanism 65 drives the motor output shaft 130 to rotate, so that the torque sensor 63 can detect torque data of the motor output shaft 130, and whether the motor output shaft 130 meets the standard requirement or not is judged.
Referring to fig. 7 and 8, in order to ensure that the docking mechanism 65 can be smoothly docked with the motor output shaft 130, the docking mechanism 65 includes a fixing ring 651 mounted on the mounting platform 61 through a base, a detection shaft 652 is rotatably mounted on the fixing ring 651, a right end of the detection shaft 652 is connected with an output shaft at a left end of the torque sensor 63 through a coupling, a first spline groove 653 is formed at a left end of the detection shaft 652, a first spline shaft 654 is slidably disposed in the first spline groove 653, and a docking head 655 is connected to a left end of the first spline shaft 654.
During specific operation, the docking head 655 of the present invention enables the detection shaft 652 to drive the docking head 655 to rotate through the first spline shaft 654 and the first spline groove 653, and simultaneously the first spline shaft 654 can move left and right in the first spline groove 653, so that the docking head 655 can be docked with the motor output shaft 130, and further the docking head 655 drives the motor output shaft 130 to rotate, so that the torque sensor 63 can detect torque data of the motor output shaft 130.
Referring to fig. 8, a second spline groove 656 is formed at the left end of the butt joint 655, a second spline shaft 657 is slidably arranged in the second spline groove 656, the second spline shaft 657 is a hollow tubular structure, and a flat key block 658 matched with the flat spline groove formed at the end of the motor output shaft 130 is arranged on the inner side wall of the second spline groove 656.
A plurality of round holes are uniformly formed in the outer side wall of the butt joint 655 in the circumferential direction, a pin shaft 6571 is connected to the round holes in an internal thread manner, and a pin groove (not shown in the figure) matched with the pin shaft 6571 is formed in the outer side wall of the second spline shaft 657.
In specific operation, the motor output shaft 130 with different diameters can be matched conveniently through the second spline shafts 657 with various specifications, wherein the second spline shafts 657 are fixed in the butt joint 655 through the pin shaft 6571, and the problem that the second spline shafts 657 fall off is avoided.
In addition, the invention also provides a method for testing the manufacturing performance of the permanent magnet motor, which comprises the following steps: s1, first, adjusting the distance between the two positioning blocks 562 by the biaxial screw 563 according to the distance between the two leg holes 120 on the same side of the two motor legs 110 of the to-be-tested permanent magnet motor, and then placing the to-be-tested permanent magnet motor on the clamping bottom plate 561 to ensure that the leg holes 120 on the right side of the two motor legs 110 are smoothly inserted into the two bolt columns, and further fixing the motor body 100 on the clamping bottom plate 561 by the locking assembly 568.
S2, under the driving of the existing drive and the cooperation between the chain wheel 54 and the transmission chain 55, the four chain wheels 54 rotate on the top plate 2, and then the chain wheels 54 move the lifting screw 53 upwards through the threaded connection, so as to drive the lifting platform 51 to move upwards, so that the motor output shaft 130 moves upwards to the same height as the butt joint 655.
S3, selecting a second spline shaft 657 which is matched according to the diameter size of the motor output shaft 130 and the size of the spline groove to be installed in the second spline groove 656, and simultaneously, locking and fixing the second spline shaft 657 on the butt joint 655 through a pin shaft 6571; the abutment 655 is then pushed forward so that the motor output shaft 130 is nested on the second splined shaft 657 by the flat key block 658.
S4, the torque sensor 63 at the output end of the motor 64 enables the detection ring to rotate, and further enables the motor output shaft 130 to rotate, so that the torque sensor 63 can detect the torque data of the output shaft of the motor 64, and whether the motor body 100 meets the standard requirements or not is judged.
S5, after the test is completed, the existing drive is reversed to move the lifting platform 51 downward, so as to push the clamping unit 56 to move it to the sliding platform 4 at the right end of the substrate 1, and then the clamping unit 56, which is mounted with the motor body 100 to be tested on the sliding platform 4 at the left end of the substrate 1, is moved to the lifting platform 51, so as to test the motor body 100, and at the same time, transport and move away the motor body 100 clamped by the clamping unit 56 on the sliding platform 4 at the right end of the substrate 1.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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 (8)
1. The utility model provides a permanent magnet motor makes capability test system, is including installing base plate (1) on current platform, base plate (1) top is provided with roof (2) that the level was placed, roof (2) are fixed on base plate (1) through four support riser (3), just be located roof (2) left and right sides on base plate (1) and all be provided with slide bracket (4), its characterized in that: a lifting device (5) is arranged on the top plate (2), and a detection device (6) for detecting the torsion of an output shaft of the motor (64) is arranged on the right side of the top plate (2);
the lifting device (5) comprises a lifting platform (51) which is arranged below the top plate (2) in a sliding mode, two lifting parts (52) which are distributed bilaterally symmetrically are arranged at the front end and the rear end of the lifting platform (51), a lifting screw rod (53) is connected to the lifting parts (52) in a rotating mode, the upper end of the lifting screw rod (53) penetrates through the top plate (2) and is connected with a chain wheel (54) in a threaded mode, the chain wheel (54) is rotatably installed on the top plate (2), the four chain wheels (54) are connected through a transmission chain (55), and a clamping unit (56) is arranged on the lifting platform (51);
the clamping unit (56) comprises a clamping bottom plate (561) which is arranged on a lifting platform (51) in a sliding mode, two strip-shaped holes (5611) which are symmetrically distributed in the front and back direction and penetrate through the lifting platform from top to bottom are formed in the right end of the clamping bottom plate (561), positioning blocks (562) are arranged in the strip-shaped holes (5611) in a sliding mode, the two positioning blocks (562) are in threaded connection through a same double-shaft screw (563), the double-shaft screw (563) is installed on the clamping bottom plate (561) through a bearing, a threaded column (564) is installed at the upper end of each positioning block (562) in a detachable mode, a first nut (565) is in threaded connection with each threaded column (564), and a circular truncated cone structure (5641) is arranged at the top of each threaded column (564);
the left side of the clamping base plate (561) is provided with an adjusting sliding hole (5612), a rotating screw rod (566) is rotatably installed in the adjusting sliding hole (5612), the left end of the rotating screw rod (566) penetrates through the clamping base plate (561), a bearing sliding plate (567) is arranged in the adjusting sliding hole (5612) in a sliding mode, the bearing sliding plate (567) is in threaded connection with the rotating screw rod (566), and a locking assembly (568) is arranged on the bearing sliding plate (567).
2. The system for testing the manufacturing performance of the permanent magnet motor according to claim 1, wherein: the locking component (568) comprises locking holes (5681) arranged at the front end and the rear end of the bearing sliding plate (567) and a locking screw rod (5682) which penetrates through the machine foot hole in a sliding manner, the left side and the right side of the locking hole (5681) are respectively provided with a limit baffle (5683), the lower end of the locking screw rod (5682) is connected with an auxiliary rod (5684), and the diameter of the auxiliary rod (5684) is smaller than the distance between the two limit baffles (5683) in the locking hole (5681), the lower end of the auxiliary rod (5684) is provided with a strip-shaped locking block (5685), the width of the strip-shaped locking block (5685) is smaller than the distance between two limit baffles (5683) in the locking hole (5681), and the length of the strip-shaped locking block (5685) is larger than the distance between the two limit baffles (5683) in the locking hole (5681), the top of the locking screw rod (5682) is provided with a rotating handle (5686), and a second nut (5687) is connected to the position, above the machine foot hole, on the locking screw rod (5682) in a threaded mode.
3. The system for testing the manufacturing performance of the permanent magnet motor according to claim 1, wherein: the front end and the rear end of the lower end face of the clamping bottom plate (561) are provided with guide strips (5613), a guide groove (5614) in sliding fit with the guide strips (5613) is formed in the lifting platform (51), and a guide groove (5614) in sliding fit with the guide strips (5613) is also formed in the sliding platform (4).
4. The system for testing the manufacturing performance of the permanent magnet motor according to claim 1, wherein: the left end and the right end of the lifting platform (51) are respectively provided with two positioning assemblies (57) which are distributed front and back, each positioning assembly (57) comprises a back-off groove (571) formed in the side edge of the lifting platform (51), each back-off groove (571) is internally provided with a positioning plate (572) in a rotating mode through a rotating shaft, the upper end of each positioning plate (572) is provided with a through hole (573), each through hole (573) is internally provided with a pressing plate (574) in a sliding mode, protruding parts (575) are arranged on the front side and the back side of the pressing plate (574) facing one end of the middle of the lifting platform (51), one end of each positioning plate (572) facing the middle of the lifting platform (51) and located in each through hole (573) is provided with a groove (576) convenient for enabling each protruding part to back off, the top of each positioning plate (572) is provided with a threaded hole communicated with the corresponding through hole (573), each threaded hole is connected with a positioning bolt (577) through threads, and a circular groove (578) matched with the lower end of each pressing plate (574) is formed in the upper end face of each pressing plate (574).
5. The system for testing the manufacturing performance of the permanent magnet motor according to claim 1, wherein: the support riser (3) is provided with a limiting groove (31) in sliding fit with the lifting part (52), the support riser (3) is provided with a first scale strip (32) on one side of the limiting groove (31), the right end of the clamping bottom plate (561) is provided with a second scale strip (5615), and the second scale strip (5615) is matched with the two strip-shaped holes (5611).
6. The system for testing the manufacturing performance of the permanent magnet motor according to claim 1, wherein: detection device (6) are including setting up mounting platform (61) in base plate (1) top and being located roof (2) right side, mounting platform (61) are fixed on base plate (1) through a plurality of supporting legs (62), install torque sensor (63) through the mount pad on mounting platform (61), the input shaft of torque sensor (63) right-hand member passes through the shaft coupling and the output shaft who detects motor (64), it installs at mounting platform (61) through the motor cabinet to detect motor (64), the output shaft of torque sensor (63) left end is connected with docking mechanism (65) of installing on mounting platform (61), and docking mechanism (65) and the cooperation of motor output shaft.
7. The system for testing manufacturing performance of the permanent magnet motor according to claim 6, wherein: docking mechanism (65) include solid fixed ring (651) of installing on mounting platform (61) through the base, gu fixed ring (651) internal rotation is installed and is detected axle (652), the right-hand member that detects axle (652) passes through the output shaft of shaft coupling with torque sensor (63) left end, first spline groove (653) has been seted up to the left end of detecting axle (652), and slides in first spline groove (653) and be provided with first spline shaft (654), and first spline shaft (654) left end is connected with butt joint (655).
8. The system for testing manufacturing performance of the permanent magnet motor according to claim 7, wherein: a second spline groove (656) is formed in the left end of the butt joint (655), a second spline shaft (657) is arranged in the second spline groove (656) in a sliding mode, the second spline shaft (657) is of a hollow tubular structure, and a flat key block (658) matched with the flat spline groove formed in the end portion of the motor output shaft is arranged on the inner side wall of the second spline groove (656);
a plurality of round holes are uniformly formed in the outer side wall of the butt joint (655) in the circumferential direction, a pin shaft (6571) is connected to the round holes in an inner threaded mode, and a pin groove matched with the pin shaft (6571) is formed in the outer side wall of the second spline shaft (657).
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