CN117990277A - Detection device for internal rotor of variable frequency motor - Google Patents
Detection device for internal rotor of variable frequency motor Download PDFInfo
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- CN117990277A CN117990277A CN202410023222.9A CN202410023222A CN117990277A CN 117990277 A CN117990277 A CN 117990277A CN 202410023222 A CN202410023222 A CN 202410023222A CN 117990277 A CN117990277 A CN 117990277A
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- block
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- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 230000000670 limiting effect Effects 0.000 claims abstract description 44
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 206010063659 Aversion Diseases 0.000 claims 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a detection device for an internal rotor of a variable frequency motor, which comprises a machine body, wherein a groove is formed in the upper end of the right side of the center position of the machine body, a shift adjusting mechanism is arranged in the groove, a first supporting pile is fixedly connected to the upper end of the left side of the machine body, a second supporting pile is arranged on the shift adjusting mechanism, a rotation limiting assembly is arranged at the upper ends of the first supporting pile and the second supporting pile, and a speed reduction motor is connected to the upper end of the rear side of the machine body in a sliding manner. According to the invention, the rotor to be detected is suspended on the rotary limiting assembly after being suspended on the belt, so that the speed reducing motor is matched with the belt pulley and the belt to drive the rotor to be detected to rotate under the limiting action of the limiting wheel and the limiting block, the structure is simple, the operation is convenient and practical, the screw rod is driven to rotate through the servo motor, the screw rod drives the shifting block to horizontally move under the limiting action of the sliding groove and the sliding block, and the shifting block adjusts the relative distance between the second supporting pile and the first supporting pile, so that the rotor with different sizes can be conveniently detected and clamped.
Description
Technical Field
The invention relates to the technical field of rotor detection, in particular to a detection device for an inner rotor of a variable frequency motor.
Background
The variable frequency motor is a motor which can realize different rotating speeds and torques to adapt to load demand changes, and is specially designed for a frequency converter, the inside of the variable frequency motor comprises a stator, a rotor and the like, wherein the rotor is a rotating part of the variable frequency motor, the rotor is matched with the stator to realize conversion of electric energy and mechanical energy, and the rotor of the variable frequency motor needs to be subjected to dynamic balance and other detection after production is completed.
When the existing rotor dynamic balance detection device is in actual use, the existing rotor dynamic balance detection device needs to manually pull up a belt on a table surface to butt against a rotor for dynamic balance detection, wastes time and labor, has high labor intensity, also needs to manually hold a detection head to detect the rotation of the rotor, has low detection efficiency, is inconvenient to adjust the detection distance of a limiting component according to the size of the rotor, and provides a detection device for the rotor inside a variable frequency motor to solve the problems.
Disclosure of Invention
Aiming at the defects and defects in the prior art, the invention provides a detection device for the rotor inside a variable frequency motor, which is used for solving the technical problems that the existing rotor dynamic balance detection device in the prior art needs to manually place the rotor on a limiting component and then detect the dynamic balance of the rotor by using a transmission belt, is time-consuming and labor-consuming, has high labor intensity, needs to manually hold a detection head to detect the rotation of the rotor, has low detection efficiency and is inconvenient to adjust the detection distance of the limiting component according to the size of the rotor.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a detection device for inside rotor of inverter motor, includes the organism, the right side upper end of organism central point puts is equipped with the recess, be equipped with shift adjustment mechanism in the recess, the first support stake of left side upper end fixedly connected with of organism, be equipped with the second support stake on the shift adjustment mechanism, the upper end of first support stake and second support stake is equipped with rotatory spacing subassembly, the rear side upper end sliding connection of organism has gear motor, gear motor's drive end is equipped with power unit, fixed mounting has the pivot on the rear side wall of first support stake, it is connected with the supporting seat to rotate in the pivot, the upper end activity joint of supporting seat has the bracing piece, the upper end of bracing piece is equipped with detection mechanism.
Preferably, the displacement adjusting mechanism comprises a screw rod and a servo motor, wherein the screw rod is respectively and horizontally connected to the left inner wall of the groove, the servo motor is fixedly arranged on the right side wall of the machine body, a first connecting rod is fixedly connected to a driving shaft of the servo motor, the first connecting rod horizontally rotates to penetrate through the right inner wall of the groove and is fixedly connected with the screw rod, a displacement block is sleeved on the screw rod through threads, the lower end of the displacement block is in sliding connection with the bottom of the groove, and a second supporting pile is fixedly connected to the upper end of the displacement block.
Preferably, a sliding groove is formed in the bottom of the groove, the lower end of the shifting block is fixedly connected with a sliding block, the sliding block is slidably connected in the sliding groove, the sliding groove and the screw rod are arranged in equal length, the upper end of the shifting block is fixedly connected with a U-shaped seat, an opening of the U-shaped seat is vertically arranged upwards, a second supporting pile is inserted into the opening of the U-shaped seat and is arranged opposite to the first supporting pile, and a plurality of first bolts are fixedly connected between the U-shaped seat and the second supporting pile.
Preferably, the rotatory spacing subassembly is including setting up in the rectangle groove of first support stake and second support stake upper end respectively, two all rotate on the left and right sides inner wall in rectangle groove and be connected with two spacing wheels, a plurality of all be equipped with a plurality of evenly distributed's non-slip bumps on the annular lateral wall of spacing wheel, the upper end that first support stake and second support stake are close to relative lateral wall is all fixedly connected with stopper, the stopper just sets up the rectangle groove, two the upper end of stopper all is equipped with the arc spacing groove.
Preferably, the upper end of the rear side of the machine body is fixedly provided with a linear sliding rail, the linear sliding rail is positioned on the left side of the groove, the linear sliding rail is connected with a movable guide block matched with the linear sliding rail in a sliding manner, and the gear motor is fixedly arranged at the upper end of the movable guide block.
Preferably, the power mechanism comprises a second connecting rod fixedly connected to a driving shaft of the speed reducing motor and a vertical fixing plate fixedly connected to the upper end of the right front side of the movable guide block, a belt pulley is coaxially and fixedly connected to the second connecting rod, a T-shaped limiting column is fixedly connected to the right side wall, close to the upper end, of the vertical fixing plate, a belt is connected to the belt pulley in a transmission mode, and the belt is sleeved with the T-shaped limiting column.
Preferably, the upper end that the pivot was kept away from to the supporting seat is equipped with circular slot, the lower extreme of bracing piece is equipped with the draw-in groove, be equipped with the fixture block on the bottom of circular slot, the bracing piece is inserted and is located circular slot, the fixture block is inserted and is located the draw-in groove, the fixture block is integrated into one piece setting with the supporting seat.
Preferably, the detection mechanism comprises a positioning block fixedly connected to the upper end of the supporting rod, a circular through groove which is communicated left and right is formed in the positioning block, a pipeline bracket is inserted in the circular through groove, a detection head is arranged at the lower right end of the pipeline bracket, a wiring is arranged in the pipeline bracket in a penetrating manner, the wiring is electrically connected with the detection head, a second bolt is arranged at the upper end of the positioning block in a penetrating manner, and the second bolt is in abutting contact with the pipeline bracket.
Preferably, the right side lower extreme fixedly connected with sleeve of pipeline support, fixedly connected with buffer spring on the telescopic top surface, the sleeve interpolation is equipped with T type gag lever post, buffer spring and the upper end fixed connection of T type gag lever post, detect first fixed mounting in the lower extreme of T type gag lever post.
Compared with the prior art, the invention has the beneficial effects that:
1. The rotor to be detected is hung on the belt and then placed on the rotary limiting assembly, so that the gear motor is matched with the belt pulley and the belt to drive the rotor to be detected to rotate under the limiting action of the limiting wheel and the limiting block, and the rotary limiting assembly is simple in structure, convenient to operate and practical.
2. The pipeline support is pulled to be matched with the supporting rod, the supporting seat and the rotating shaft to drive the detection head to be in contact with the shaft part of the rotor, dynamic balance of the rotor is detected in real time, the buffer spring in the sleeve is matched with the T-shaped limit rod to provide buffer protection for the detection head, and the service life of the detection head is prolonged.
3. The screw rod is driven to rotate through the servo motor, so that the screw rod drives the shifting block to horizontally move under the limiting action of the sliding groove and the sliding block, and the shifting block adjusts the relative distance between the second supporting pile and the first supporting pile, so that the rotors with different sizes can be conveniently detected and clamped.
Drawings
Fig. 1 is a schematic perspective view of a detection device for an internal rotor of a variable frequency motor according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
Fig. 3 is a schematic structural diagram of a U-shaped seat of a detection device for an inner rotor of a variable frequency motor according to the present invention;
Fig. 4 is a schematic structural diagram of a rotation limiting assembly of a detection device for an inner rotor of a variable frequency motor according to the present invention;
fig. 5 is a schematic structural view of a vertical fixing plate and a T-shaped limit post of a detection device for an internal rotor of a variable frequency motor according to the present invention;
FIG. 6 is a partial enlarged view at B in FIG. 1;
fig. 7 is a partial enlarged view at C in fig. 1.
In the figure: the device comprises a machine body 1, a groove 2, a first supporting pile 3, a second supporting pile 4, a speed reducing motor 5, a rotating shaft 6, a supporting seat 7, a supporting rod 8, a screw rod 9, a servo motor 10, a first connecting rod 11, a shifting block 12, a sliding groove 13, a sliding block 14, a U-shaped seat 15, a first bolt 16, a rectangular groove 17, a limiting wheel 18, a sliding-proof boss 19, a limiting block 20, an arc-shaped limiting groove 21, a linear sliding rail 22, a movable guide block 23, a second connecting rod 24, a vertical fixing plate 25, a belt pulley 26, a T-shaped limiting column 27, a belt 28, a circular slot 29, a clamping groove 30, a clamping block 31, a positioning block 32, a circular through groove 33, a pipeline bracket 34, a detection head 35, a wiring 36, a second bolt 37, a sleeve 38, a buffer spring 39 and a T-shaped limiting rod 40.
Description of the embodiments
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-7, a detection device for an internal rotor of a variable frequency motor comprises a machine body 1, a groove 2 is arranged at the upper right end of the central position of the machine body 1, a displacement adjusting mechanism is arranged in the groove 2, a first support pile 3 is fixedly connected to the upper left end of the machine body 1, a second support pile 4 is arranged on the displacement adjusting mechanism, the displacement adjusting mechanism comprises a screw rod 9 which is respectively and horizontally connected to the left inner wall of the groove 2 and a servo motor 10 which is fixedly arranged on the right side wall of the machine body 1, a first connecting rod 11 is fixedly connected to a driving shaft of the servo motor 10, the first connecting rod 11 horizontally rotates to penetrate through the right inner wall of the groove 2 and is fixedly connected with the screw rod 9, the servo motor 10 is used for driving the screw rod 9 to rotate, a displacement block 12 is sleeved on the screw rod 9 in a threaded manner, the lower end of the displacement block 12 is in sliding connection with the bottom of the groove 2, and the second support pile 4 is fixedly connected to the upper end of the displacement block 12.
The bottom of the groove 2 is provided with a sliding groove 13, the lower end of the shifting block 12 is fixedly connected with a sliding block 14, the sliding block 14 is slidably connected in the sliding groove 13, the sliding groove 13 and the screw rod 9 are in equal length, the screw rod 9 rotates to drive the shifting block 12 sleeved with threads to horizontally move along the groove 2 under the limiting action of the sliding groove 13 and the sliding block 14, the shifting block 12 drives the second supporting pile 4 to horizontally move, the relative distance between the first supporting pile 3 and the second supporting pile 4 is adjusted, so that rotors with different sizes can be conveniently detected and clamped, the upper end of the shifting block 12 is fixedly connected with a U-shaped seat 15, the opening of the U-shaped seat 15 is vertically upwards arranged, the second supporting pile 4 is inserted into the opening of the U-shaped seat 15 and is just opposite to the first supporting pile 3, a plurality of first bolts 16 are fixedly connected between the U-shaped seat 15 and the second supporting pile 4, and the U-shaped seat 15 is matched with the plurality of first bolts 16 to fix the second supporting pile 4 at the upper end of the shifting block 12.
The upper ends of the first support pile 3 and the second support pile 4 are provided with rotary limiting components, the rotary limiting components comprise rectangular grooves 17 which are respectively arranged at the upper ends of the first support pile 3 and the second support pile 4, two limiting wheels 18 are connected to the inner walls of the left side and the right side of the two rectangular grooves 17 in a rotary mode, a plurality of evenly-distributed anti-slip protrusions 19 are arranged on the annular side walls of the limiting wheels 18, limiting blocks 20 are fixedly connected to the upper ends of the first support pile 3 and the second support pile 4, which are close to the opposite side walls, the limiting blocks 20 are arranged right opposite to the rectangular grooves 17, arc-shaped limiting grooves 21 are respectively arranged at the upper ends of the two limiting blocks 20, a speed reducing motor 5 is connected to the upper end of the rear side of the machine body 1 in a sliding mode, a linear sliding rail 22 is fixedly arranged at the upper end of the rear side of the machine body 1, the linear sliding rail 22 is located on the left side of the groove 2, a movable guide block 23 matched with the linear sliding rail 22 is connected to the linear sliding rail 22, the speed reducing motor 5 is fixedly arranged at the upper end of the movable guide block 23, the linear sliding rail 22 is matched with the movable guide 23, the movable sliding rail 23 drives the speed reducing motor 5 to horizontally move, and the belt 28 on the T-shaped limiting block 27 can be sleeved on a rotor to be detected.
The drive end of gear motor 5 is equipped with power unit, power unit includes the vertical fixed plate 25 of respectively fixed connection in gear motor 5 epaxial second connecting rod 24 and fixed connection in movable guide block 23 right front side upper end, coaxial fixedly connected with belt pulley 26 on the second connecting rod 24, vertical fixed plate 25 is close to the right side wall of upper end on fixedly connected with T type spacing post 27, T type spacing post 27 is used for spacing belt 28, be convenient for the manual work cup joint belt 28 on waiting to detect the rotor, drive connection has belt 28 on the belt pulley 26, belt 28 cup joints T type spacing post 27 setting, fixed mounting has pivot 6 on the back lateral wall of first support stake 3, rotate on pivot 6 and be connected with supporting seat 7, the upper end movable joint of supporting seat 7 has bracing piece 8, the upper end that pivot 6 was kept away from to the supporting seat 7 is equipped with circular slot 29, the lower extreme of bracing piece 8 is equipped with draw-in groove 30, be equipped with fixture block 31 on the bottom of circular slot 29, the bracing piece 8 is inserted and is located in circular slot 29, fixture block 31 is integrated into shaping setting with supporting seat 7, insert the lower extreme of bracing piece 8 and locate circular slot 29, make the joint 29 in circular slot 29 convenient for dismantling.
The upper end of bracing piece 8 is equipped with detection mechanism, detection mechanism includes fixed connection in locating piece 32 of bracing piece 8 upper end, be equipped with the circular logical groove 33 that the intercommunication set up about on the locating piece 32, circular logical groove 33 interpolation is equipped with pipeline support 34, the right side lower extreme of pipeline support 34 is equipped with detection head 35, run through in the pipeline support 34 and be equipped with wiring 36, wiring 36 and detection head 35 electricity are connected, the vertical screw thread of upper end of locating piece 32 runs through and is equipped with second bolt 37, second bolt 37 and pipeline support 34 counterbalance contact, second bolt 37 is used for compressing tightly pipeline support 34 and fixes a position in circular logical groove 33, the right side lower extreme fixedly connected with sleeve 38 of pipeline support 34, fixedly connected with buffer spring 39 on the top surface of sleeve 38, sleeve 38 interpolation is equipped with T type gag lever post 40, buffer spring 39 and the upper end fixed connection of T type gag lever post 40, detection head 35 fixed mounting is in the lower extreme of T type gag lever post 40, buffer spring 39 cooperation T type gag lever post 40 in the sleeve 38 provides the buffering protection to detection head 35, the life of extension detects head 35.
When the invention is used, one end of a rotor to be detected is inserted into an arc-shaped limit groove 21 on a limit block 20 of a first support pile 3 and is in contact with a plurality of anti-slip bulges 19 of two limit wheels 18, a servo motor 10 is started to drive a first connecting rod 11 and a screw rod 9 to rotate, so that the screw rod 9 rotates to drive a screw sleeved shifting block 12 to horizontally move along a groove 2 under the limit action of a chute 13 and a slide block 14, and the shifting block 12 drives a second support pile 4 to horizontally move until the other end of the rotor to be detected can be inserted between the arc-shaped limit groove 21 of the second support pile 4 and the two limit wheels 18, thereby effectively providing rotary support limit for the rotor to be detected, facilitating detection clamping of the rotors with different sizes, starting a linear slide rail 22 to be matched with a movable guide block 23 to drive a speed reduction motor 5 to horizontally move, until can cup joint to waiting to detect on the rotor after taking out belt 28 on the spacing post 27 of T type, simple structure, convenient operation and practicality, pulling pipeline support 34 drives detection head 35 and cooperates bracing piece 8, supporting seat 7 and pivot 6 are rotatory, until detection head 35 and waiting to detect the axial region of rotor contact, real-time detection rotor's dynamic balance, start gear motor 5 and drive belt pulley 26 on the second connecting rod 24 and rotate, make belt pulley 26 drive waiting to detect the rotor and steadily rotate under the spacing effect of stopper 20 and two spacing wheels 18, and will wait to detect the rotation data transmission of rotor to outside detector by detection head 35, the buffer spring 39 cooperation T type gag lever post 40 in the sleeve 38 provides buffering protection to detection head 35, the life of extension detection head 35.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a detection device for inside rotor of inverter motor, includes organism (1), its characterized in that, the right side upper end of organism (1) central point puts is equipped with recess (2), be equipped with aversion adjustment mechanism in recess (2), the left side upper end fixedly connected with first supporting pile (3) of organism (1), be equipped with second supporting pile (4) on the aversion adjustment mechanism, the upper end of first supporting pile (3) and second supporting pile (4) is equipped with rotatory spacing subassembly, the rear side upper end sliding connection of organism (1) has gear motor (5), the drive end of gear motor (5) is equipped with power unit, fixedly mounted has pivot (6) on the rear side wall of first supporting pile (3), rotation is connected with supporting seat (7) on pivot (6), the upper end swing joint of supporting seat (7) has bracing piece (8), the upper end of bracing piece (8) is equipped with detection mechanism.
2. The detection device for the inner rotor of the variable frequency motor according to claim 1, wherein the displacement adjusting mechanism comprises a screw rod (9) which is respectively and horizontally connected to the left inner wall of the groove (2) and a servo motor (10) which is fixedly arranged on the right side wall of the machine body (1), a first connecting rod (11) is fixedly connected to a driving shaft of the servo motor (10), the first connecting rod (11) horizontally rotates to penetrate through the right inner wall of the groove (2) and is fixedly connected with the screw rod (9), a displacement block (12) is sleeved on the screw rod (9) in a threaded manner, the lower end of the displacement block (12) is in sliding connection with the bottom of the groove (2), and the second supporting pile (4) is fixedly connected to the upper end of the displacement block (12).
3. The detection device for the inner rotor of the variable frequency motor according to claim 2, characterized in that a chute (13) is arranged at the bottom of the groove (2), a sliding block (14) is fixedly connected to the lower end of the shifting block (12), the sliding block (14) is slidably connected to the chute (13), the chute (13) and a screw rod (9) are arranged in equal length, the upper end of the shifting block (12) is fixedly connected with a U-shaped seat (15), the opening of the U-shaped seat (15) is vertically upwards arranged, a second supporting pile (4) is inserted into the opening of the U-shaped seat (15) and is arranged opposite to the first supporting pile (3), and a plurality of first bolts (16) are fixedly connected between the U-shaped seat (15) and the second supporting pile (4).
4. The detection device for the inner rotor of the variable frequency motor according to claim 1, wherein the rotary limiting assembly comprises rectangular grooves (17) which are respectively arranged at the upper ends of the first supporting piles (3) and the second supporting piles (4), two limiting wheels (18) are rotatably connected to the inner walls of the left side and the right side of the rectangular grooves (17), a plurality of anti-slip protrusions (19) which are uniformly distributed are arranged on the annular side walls of the limiting wheels (18), limiting blocks (20) are fixedly connected to the upper ends, close to the opposite side walls, of the first supporting piles (3) and the second supporting piles (4), the limiting blocks (20) are arranged right opposite to the rectangular grooves (17), and arc-shaped limiting grooves (21) are formed in the upper ends of the two limiting blocks (20).
5. The detection device for the inner rotor of the variable frequency motor according to claim 1, wherein a linear slide rail (22) is fixedly arranged at the upper end of the rear side of the machine body (1), the linear slide rail (22) is positioned at the left side of the groove (2), a movable guide block (23) matched with the linear slide rail is connected to the linear slide rail (22) in a sliding manner, and the gear motor (5) is fixedly arranged at the upper end of the movable guide block (23).
6. The detection device for the inner rotor of the variable frequency motor according to claim 5, wherein the power mechanism comprises a second connecting rod (24) fixedly connected to a driving shaft of the speed reducing motor (5) and a vertical fixing plate (25) fixedly connected to the upper end of the right front side of the movable guide block (23), a belt pulley (26) is coaxially and fixedly connected to the second connecting rod (24), a T-shaped limit column (27) is fixedly connected to the right side wall, close to the upper end, of the vertical fixing plate (25), a belt (28) is connected to the belt pulley (26) in a transmission mode, and the belt (28) is sleeved with the T-shaped limit column (27).
7. The detection device for the inner rotor of the variable frequency motor according to claim 1, wherein the upper end of the supporting seat (7) far away from the rotating shaft (6) is provided with a circular slot (29), the lower end of the supporting rod (8) is provided with a clamping groove (30), a clamping block (31) is arranged at the bottom of the circular slot (29), the supporting rod (8) is inserted into the circular slot (29), the clamping block (31) is inserted into the clamping groove (30), and the clamping block (31) and the supporting seat (7) are integrally formed.
8. The detection device for the inner rotor of the variable frequency motor according to claim 1, characterized in that the detection mechanism comprises a positioning block (32) fixedly connected to the upper end of the supporting rod (8), a circular through groove (33) which is arranged in a left-right communication mode is formed in the positioning block (32), a pipeline bracket (34) is arranged in the circular through groove (33), a detection head (35) is arranged at the lower right end of the pipeline bracket (34), a wiring (36) is arranged in the pipeline bracket (34) in a penetrating mode, the wiring (36) is electrically connected with the detection head (35), a second bolt (37) is arranged at the upper end of the positioning block (32) in a penetrating mode through vertical threads, and the second bolt (37) is in abutting contact with the pipeline bracket (34).
9. The detection device for the inner rotor of the variable frequency motor according to claim 8, wherein a sleeve (38) is fixedly connected to the lower end of the right side of the pipeline bracket (34), a buffer spring (39) is fixedly connected to the top surface of the sleeve (38), a T-shaped limiting rod (40) is inserted into the sleeve (38), the buffer spring (39) is fixedly connected to the upper end of the T-shaped limiting rod (40), and the detection head (35) is fixedly mounted at the lower end of the T-shaped limiting rod (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410023222.9A CN117990277A (en) | 2024-01-08 | 2024-01-08 | Detection device for internal rotor of variable frequency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410023222.9A CN117990277A (en) | 2024-01-08 | 2024-01-08 | Detection device for internal rotor of variable frequency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117990277A true CN117990277A (en) | 2024-05-07 |
Family
ID=90886366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410023222.9A Pending CN117990277A (en) | 2024-01-08 | 2024-01-08 | Detection device for internal rotor of variable frequency motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117990277A (en) |
-
2024
- 2024-01-08 CN CN202410023222.9A patent/CN117990277A/en active Pending
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