CN210137270U - Stator and rotor combining device of non-transmission end single-bearing permanent magnet traction motor - Google Patents
Stator and rotor combining device of non-transmission end single-bearing permanent magnet traction motor Download PDFInfo
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- CN210137270U CN210137270U CN201921401880.8U CN201921401880U CN210137270U CN 210137270 U CN210137270 U CN 210137270U CN 201921401880 U CN201921401880 U CN 201921401880U CN 210137270 U CN210137270 U CN 210137270U
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Abstract
The utility model relates to a non-transmission end single bearing permanent magnet traction motor decides, rotor attaches together device, include: attach together platform, deflector, guide cylinder, axial positioning board and high accuracy guide bar. The guide plate is temporarily installed at the non-transmission end of the stator, the guide cylinder is temporarily installed at the non-transmission end of the rotor, and the guide plate and the guide cylinder are combined for guiding to enable the non-transmission end of the rotor to be coaxial with the non-transmission end of the stator. The high-precision guide rod is temporarily installed at the transmission end of the stator, the axial positioning plate is temporarily installed at the transmission end of the rotor, and the high-precision guide rod and the axial positioning plate are combined for guiding to enable the transmission end of the rotor to be coaxial with the transmission end of the stator. In order to ensure to attach together the in-process, rotor and stator are coaxial, avoid stator and rotor inter attraction and scotch stator and coil to realize that reliable, safe, high-efficient, the not damaged of stator and rotor attach together, ensure that the fixed, rotor attaches together the precision.
Description
Technical Field
The utility model relates to a motor assembly field, concretely relates to non-transmission end single bearing permanent magnet traction motor decides, rotor attaches together device.
Background
With the rapid development of permanent magnet technology, permanent magnet motors are more and more widely applied. In the field of rail transit, the application of permanent magnet traction motors is increasing. The permanent magnet traction motor generally comprises a motor end cover, a rotor assembly, a stator, a motor shell, a bearing and the like; because the most diameter of permanent magnet traction motor is big, and the air gap between rotor and the stator is very little, and the magnet steel on the rotor has very strong suction, so at the process that rotor and stator directly attach together, if do not take effective method, take place magnet steel in the rotor and the iron core of air gap opposite side to attract carelessly a little, cause to attach together the difficulty or attach together the failure.
The conventional permanent magnet motor adopts a double-bearing structure to support the rotor, when the stator and the rotor are combined, one end of the conventional permanent magnet motor adopts a mode that the other end of the guide cylinder adopts the guide rod, so that the centers of the stator and the rotor are basically overlapped, and the stator and the rotor are ensured to be combined with the precision to avoid mutual attraction and scratch of the stator and the rotor.
The utility model provides a non-transmission end single bearing permanent magnetism traction motor, this kind of permanent magnetism motor non-transmission end adopts cylindrical bearing to support, and the transmission end pivot is connected with the gear box side shaft coupling of other equipment through the shaft coupling, because the shaft coupling of transmission end does not have the spacing part of axial (motor end cover), can not carry out radial direction orientation, when deciding, the rotor attaches together, is difficult to directly adopt the mode of attaching together of guide cylinder for one end, guide bar for the other end.
The patent documents of the same technology as the present invention are not retrieved temporarily through patent retrieval, and the related patents of the present invention mainly include the following patents:
1. the invention relates to a Chinese invention patent with the application number of 'CN 201110075231.5', the application date of '2011.03.28', the publication number of 'CN 102118083A', the publication date of '2013.05.01' and the name of 'a method for installing a large permanent magnet motor rotor into a stator', which comprises the following steps: (1) preassembling with the tool: temporarily installing a positioning guide roller at the front end of the rotor installation so that the positioning guide roller can guide along the side wall of the stator; installing a guide post on a combining flange at the upper end of the generator shell by utilizing threads; (2) assembling: the front end of the guide post is aligned with a guide hole on a generator end cover, so that a positioning guide roller at the front end of the rotor entering device enters the stator, the front end of the guide post also enters the guide hole on the generator end cover, then the rotor is gradually arranged in the stator under the guidance of the positioning guide roller and the guide post, and finally all tool parts are dismantled. The motor is suitable for assembly of large motors and is not suitable for medium-sized single-bearing permanent magnet motors.
2. The utility model provides a utility model patent of patent application number for "CN 201520495023.4", application date is "2015.07.08", publication number for "CN 204794602U", publication date is "2015.11.18", the applicant is for "Anhui Mingteng permanent-magnet machine electrical equipment limited company", the name is "permanent-magnet machine positioning frock", this utility model provides a permanent-magnet machine positioning frock, include: the device comprises a base, at least four guide rods and a limiting sleeve; the base is arranged on the second end cover and is provided with a limiting hole which is coaxial with the bearing chamber of the base and the bearing chamber of the second end cover and is communicated with the bearing chamber of the base; the guide rods are all arranged at one end of the machine base, which faces the rotor shaft, along the axial direction of the rotor shaft, and the first end cover is respectively sleeved on each guide rod through a plurality of end cover mounting holes and can move towards the machine base along the guide rods; the limiting sleeve is arranged at one end of the rotor shaft, facing the base, along the axial direction of the rotor shaft, and when the end cover mounting hole of the first end cover is sleeved on the guide rod, the limiting sleeve extends into the limiting hole, and when the first end cover is arranged on the base, the limiting sleeve extends out of the limiting hole. The utility model discloses a permanent-magnet machine positioning frock can effectively avoid the closed assembly to decide, the rotor is time to decide, the axiality error between the rotor. However, this patent is only applicable to the assembly of a dual-bearing motor, and cannot be applied to the assembly of a single-bearing motor.
3. The invention discloses a permanent magnet motor stator and rotor assembling device, which is an invention patent application with the patent application number of 'CN 201810099326.2', the application date of '2018.02.01', the publication number of 'CN 108282062A', the publication date of '2018.07.13', the applicant is 'middle plant continent motor limited' and the name of 'permanent magnet motor stator and rotor assembling device and method', and comprises an assembling table for supporting and assembling, a positioning plate and a guide sleeve, wherein the positioning plate is provided with a guide hole, the positioning plate is fixed on the assembling table, the guide sleeve is detachably connected to a rotating shaft transmission end of a rotor along the axial direction, the stator is detachably arranged on the positioning plate and coaxially aligned with the guide hole, and in the process of assembling the rotor and the stator, the guide sleeve is in guide fit with the guide hole, penetrates through the positioning plate and extends into the assembling table. The invention ensures the accurate centering positioning and guiding of the stator and the rotor in the assembling process, meets the centering requirement of the stator and the rotor assembling, realizes the reliable, safe and efficient assembling of the stator and the rotor of the motor without damage of the winding, and ensures the assembling quality and the assembling precision of the stator and the rotor. However, this patent is only applicable to the assembly of a dual-bearing motor, and cannot be applied to the assembly of a single-bearing motor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to: the single-bearing permanent magnet motor is attaching together the problem that the in-process rotor drive end does not have axial spacing part (motor end cover), attaches together the in-process and is difficult to guarantee radial coaxial direction, sets up the spacing axial positioning board that can radially lead temporarily at the rotor drive end, and the high accuracy guide bar combination direction of setting temporarily at the stator drive end to it is coaxial with the stator drive end to guarantee to attach together in-process rotor drive end.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does: the utility model provides a non-transmission end single bearing permanent magnet traction motor decides, rotor attach together device, includes: the guide plate is provided with a guide hole, the guide plate is detachably connected to the end face of the stator non-transmission end of the stator to enable the guide hole to be coaxial with the stator, and the guide plate is detachably fixed on the assembling table; the guide cylinder is detachably connected to the end face of the non-transmission end of the rotor along the axial direction, and the guide cylinder is in guide fit with the guide hole in the process of assembling the rotor and the stator; a coupling is arranged at the rotor transmission end of the rotor, an axial positioning plate is detachably connected to the end face of the outer side of the coupling, and a high-precision guide rod is detachably connected to the stator transmission end of the stator along the axial direction; in the assembling process, the axial positioning plate is in sliding fit with the high-precision guide rod so as to ensure that the rotor transmission end of the rotor is coaxial with the stator transmission end of the stator. So as to avoid the stator and the rotor from being mutually attracted to scratch the stator and the coil. The stator and the rotor are reliably, safely, efficiently and harmlessly combined, and the combination precision of the stator and the rotor is ensured.
Further, the axial positioning plate is disc-shaped, an axial positioning plate inner ring bolt hole and an axial positioning plate outer ring guide hole are coaxially arranged on the disc surface of the axial positioning plate, the position of the axial positioning plate inner ring bolt hole corresponds to the position of a screw hole on the outer side end surface of the coupling, and the position of the axial positioning plate outer ring guide hole corresponds to the position of a connecting screw hole on the stator transmission end of the stator; an inner spigot and an outer spigot are arranged on one side edge of the axial positioning plate, the inner spigot is coaxially matched with the shaft coupling, and the axial positioning plate is detachably connected to the end face of the outer side of the shaft coupling by bolts penetrating through inner ring bolt holes of the axial positioning plate so as to ensure that the axial positioning plate is coaxial with the rotor; the outer spigot is used for being assembled in place and matched with the stator transmission end of the stator so as to ensure that the rotor transmission end of the rotor is coaxial with the stator transmission end of the stator.
Furthermore, one end of each high-precision guide rod is provided with an external thread matched with a screw hole arranged on the end face of the stator transmission end of the stator, and at least three high-precision guide rods are arranged on different screw holes on the end face of the stator transmission end along the direction parallel to the axial direction of the stator; the diameter ratio of the body of rod of high accuracy guide bar the diameter of axial positioning plate outer lane guiding hole of axial positioning plate is little, attaches together the in-process, and the several axial positioning plate outer lane guiding hole overlaps respectively and is in corresponding the position on the high accuracy guide bar, slide along the body of rod, in order to ensure the rotor transmission end of rotor with the stator transmission end of stator is coaxial.
Further, the length L4 of the rod body of the high-precision guide rod is larger than the length L1 of the iron core of the rotor, so that the rotor transmission end of the rotor is coaxial with the stator transmission end of the stator in the whole assembling process.
Furthermore, the guide plate is disc-shaped, the center of the guide plate is provided with a guide pipe and a guide hole, rib plates are arranged on the periphery of the guide pipe, a guide plate inner ring bolt hole and a guide plate outer ring bolt hole are arranged on the disc surface of the guide plate, the position of the guide plate inner ring bolt hole corresponds to the position of a connecting screw hole on the end surface of the stator non-transmission end of the stator, and the guide plate outer ring bolt hole is used for being connected with the assembling table; and a spigot is arranged at one side edge of the guide plate and is matched and positioned with the stator non-transmission end of the stator so as to ensure that the guide hole is coaxial with the stator non-transmission end of the stator.
Furthermore, the guide cylinder is long cylindric, long cylindric barrel with adopt little clearance fit between the guiding hole, guide cylinder one end be provided with the rotor non-transmission end coaxial complex link of rotor, the other end is the fastening end be provided with the screw rod hole.
Further, the length L2 of the guide cylinder is greater than the length L1 of the iron core of the rotor, so as to ensure that the rotor non-transmission end of the rotor is coaxial with the stator non-transmission end of the stator during the whole assembling process.
The axial positioning screw rod is characterized by further comprising an axial positioning screw rod, one end of the axial positioning screw rod is provided with a shaft end thread which is matched and connected with a central screw hole of the end face of the non-transmission end of the rotor, the other end of the axial positioning screw rod is provided with a locking thread which is matched and connected with a fastening nut, a step surface is arranged between the root of the shaft end thread and the rod body, and the step surface is vertical to the axis of the rod body; the axial positioning screw rod is in the central screw hole of the end face of the non-transmission end of the rotor, the guide cylinder is sleeved on the axial positioning screw rod, the connecting end of the guide cylinder is connected with the end face of the non-transmission end of the rotor in a coaxial matching mode, the fastening nut is fastened on the locking screw thread of the axial positioning screw rod, the guide cylinder is coaxially and tightly pressed and connected at the end face of the non-transmission end of the rotor, a dummy shaft coaxial with the rotor is formed, and therefore the whole assembling process is guaranteed, and the end face of the non-transmission end of the rotor is always coaxial with the end face of the non-transmission end of the stator.
Further, the table top of the assembling table is provided with a central hole, the diameter of the central hole is larger than that of the peripheral rib plate of the guide pipe of the guide plate, so that the guide plate can be attached to the table top, and the height H of the assembling table is larger than the length L3 of the axial positioning screw rod. So as to prevent the axial positioning screw rod from being inserted into the ground during the assembling process and interfering with the assembling.
Further, the total mass of the stator fixedly connected with the assembling table is more than three times of the mass of the rotor, so that the mutual attraction force between the stator and the rotor is prevented from influencing the assembling.
The utility model has the advantages that: the rotor transmission end and the stator transmission end are coaxial through combined guiding of an axial positioning plate temporarily arranged at the rotor transmission end and a high-precision guide rod temporarily arranged at the stator transmission end; meanwhile, the rotor non-transmission end and the stator non-transmission end are coaxial by utilizing the combined guide of a guide cylinder detachably connected with the rotor non-transmission end and a guide plate detachably connected with the stator non-transmission end; in order to ensure to attach together the in-process, rotor and stator are coaxial, avoid stator and rotor inter attraction and scotch stator and coil to realize that reliable, safe, high-efficient, the not damaged of stator and rotor attach together, ensure that the fixed, rotor attaches together the precision.
Drawings
Fig. 1 is a schematic structural view of a motor stator and rotor combining device according to an embodiment of the present invention;
fig. 2 is a schematic top view of an axial positioning plate according to an embodiment of the present invention;
fig. 3 is a front cross-sectional view of the axial positioning plate according to the embodiment of the present invention;
fig. 4 is a schematic top view of a guide plate according to an embodiment of the present invention;
FIG. 5 is a schematic view of an elevation A-A rotation section of the deflector in accordance with an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a guide cylinder according to an embodiment of the present invention;
FIG. 7 is a schematic view of an axial positioning screw of a guide cylinder according to an embodiment of the present invention;
fig. 8 is a schematic view of a high-precision guide bar according to an embodiment of the present invention;
fig. 9 is a schematic top view of the combining table according to the embodiment of the present invention;
fig. 10 is a front view schematically illustrating the attaching together table according to the embodiment of the present invention;
in the figure: 1-lifting ring screw, 2-rotor, 21-rotor non-transmission end, 22-rotor transmission end, 3-axial positioning plate, 31-axial positioning plate inner ring bolt hole, 32-axial positioning plate outer ring guide hole, 33-inner spigot, 34-outer spigot, 4-coupling, 5-stator, 51-stator non-transmission end, 52-stator transmission end, 6-guide cylinder, 61-connecting end, 62-cylinder, 63-screw hole, 64-fastening end, 7-guide plate, 71-plate body, 72-rib plate, 73-guide tube, 74-spigot, 75-guide hole, 76-guide plate inner ring bolt hole, 77-guide plate outer ring bolt hole, 8-fastening nut, 9-guide cylinder axial positioning screw, 91-shaft end screw thread, 92-step surface, 93-rod body, 94-locking screw thread, 10-combination platform, 101-platform surface, 102-center hole, 11-high precision guide rod, 10-high precision guide rod, 111-rod body, 112-external screw thread.
Detailed Description
The invention will be further described by means of specific embodiments and with reference to the accompanying drawings:
the embodiment of the present invention is shown in fig. 1 to fig. 10: the utility model provides a non-transmission end single bearing permanent magnet traction motor decides, rotor attach together device, includes: the assembling table 10 is used for supporting the stator and the rotor to be assembled, the guide plate 7 and the guide cylinder 6 are used for supporting the stator and the rotor to be assembled, a guide hole 75 is formed in the guide plate 7, the guide plate 7 is detachably connected to the end face of the stator non-transmission end 51 of the stator 5, the guide hole 75 is coaxial with the stator 5, and the guide plate 7 is detachably fixed on the assembling table 10; the guide cylinder 6 is detachably connected to the end face of the rotor non-transmission end 21 of the rotor 2 along the axial direction, and the guide cylinder 6 is in guide fit with the guide hole 75 in the process of combining the rotor 2 and the stator 5; a coupling 4 is arranged at a rotor transmission end 22 of the rotor 2, an axial positioning plate 3 is detachably connected to the end face of the outer side of the coupling 4, and a high-precision guide rod 11 is detachably connected to a stator transmission end 52 of the stator 5 along the axial direction; during assembly, the axial positioning plate 3 is in sliding fit with the high-precision guide rod 11 to ensure that the rotor driving end 22 of the rotor 2 is coaxial with the stator driving end 52 of the stator 5. To prevent the stator 5 and the rotor 2 from attracting each other to scratch the stator and the coil. The stator 5 and the rotor 2 are reliably, safely, efficiently and harmlessly combined, and the combination precision of the stator and the rotor is ensured.
As shown in fig. 2 and 3: the axial positioning plate 3 is in a disc shape, an axial positioning plate inner ring bolt hole 31 and an outer ring guide hole 32 are coaxially arranged on the disc surface of the axial positioning plate 3, the position of the axial positioning plate inner ring bolt hole 31 corresponds to the position of a screw hole on the outer side end surface of the coupling 4, and the position of the outer ring guide hole 32 corresponds to the position of a connecting screw hole on a stator transmission end 52 of the stator 5; an inner spigot 33 and an outer spigot 34 are arranged on one side edge of the axial positioning plate 3, the inner spigot 33 is coaxially matched with the shaft coupling 4, and the axial positioning plate 3 is detachably connected to the outer end face of the shaft coupling 4 by bolts penetrating through axial positioning plate inner ring bolt holes 31 so as to ensure that the axial positioning plate 3 is coaxial with the rotor 2; the male end 34 is adapted to cooperate with the stator drive end 52 of the stator 5 when assembled in place to ensure that the rotor drive end 22 of the rotor 2 is coaxial with the stator drive end 52 of the stator 5.
As shown in fig. 8: one end of the high-precision guide rod 11 is provided with an external thread 112 matched with a screw hole arranged on the end face of the stator transmission end 52 of the stator 5, and at least three (preferably four) high-precision guide rods 11 are arranged on different screw holes on the end face of the stator transmission end 52 along the direction axially parallel to the stator 5; the diameter ratio of the body of rod 93 of high accuracy guide bar 11 the diameter of the outer lane guiding hole 32 of axial positioning plate 3 is little, and at the in-process of assembling, the several outer lane guiding hole 32 overlaps respectively in the corresponding position on the high accuracy guide bar 11, slides along the body of rod 93, in order to ensure the rotor transmission end 22 of rotor 2 with the stator transmission end 52 of stator 5 is coaxial. The length L4 of the rod 93 of the high-precision guide rod 11 is greater than the core length L1 of the rotor 2, so as to ensure that the rotor driving end 22 of the rotor 2 is coaxial with the stator driving end 52 of the stator 5.
As shown in fig. 4 and 5: the guide plate 7 is disc-shaped, a guide pipe 73 and a guide hole 75 are arranged in the center, rib plates 72 are arranged on the periphery of the guide pipe 73, guide plate inner ring bolt holes 76 and guide plate outer ring bolt holes 77 are arranged on the disc surface of the guide plate 7, the positions of the guide plate inner ring bolt holes 76 correspond to the positions of the connection screw holes on the end surface of the stator non-transmission end 51 of the stator 5, and the guide plate outer ring bolt holes 77 are used for being connected with the assembling table 10; a spigot 74 is provided at one side of the guide plate 7, and the spigot 74 is positioned to cooperate with the stator non-driving end 51 of the stator 5 to ensure that the guide hole 75 is coaxial with the stator non-driving end 51 of the stator 5.
As shown in fig. 6: the guide cylinder 6 is in a long cylindrical shape, a small clearance fit is adopted between the long cylindrical cylinder 62 and the guide hole 75, one end of the guide cylinder 6 is provided with a connecting end 61 which is coaxially matched with the rotor non-transmission end 21 of the rotor 2, the other end of the guide cylinder is a fastening end 64, and the fastening end 64 is provided with a screw hole 63. The length L2 of the guide cylinder 6 is greater than the core length L1 of the rotor 2.
As shown in fig. 7: one end of the axial positioning screw 9 is provided with a shaft end thread 91 which is matched and connected with a central screw hole on the end face of the rotor non-transmission end 21 of the rotor 2, the other end of the axial positioning screw is provided with a locking thread 94 which is matched and connected with the fastening nut 8, a step surface 92 is arranged between the root of the shaft end thread 91 and a rod body 93, and the step surface 92 is vertical to the axis of the rod body 93; the axial end thread 91 of the axial positioning screw 9 is connected in the central screw hole of the end face of the rotor non-transmission end 21 of the rotor 2, the guide cylinder 6 is sleeved on the axial positioning screw 9, so that the connecting end 61 of the guide cylinder 6 is coaxially matched and connected with the rotor non-transmission end 21 of the rotor 2, the fastening nut 8 is fastened on the locking thread 94 of the axial positioning screw 9, the guide cylinder 6 is coaxially and tightly connected with the rotor non-transmission end 21 of the rotor 2, a false shaft coaxial with the rotor 2 is formed, and the rotor non-transmission end 21 of the rotor 2 is always coaxial with the stator non-transmission end 51 of the stator 5 in the whole assembling process.
As shown in fig. 9 and 10: the table top 101 of the assembling table 10 is provided with a central hole 102, the diameter of the central hole 102 is larger than that of the peripheral rib plate 72 of the guide pipe 73 of the guide plate 7, so that the guide plate 7 can be attached to the table top 101, and the height H of the assembling table 10 is larger than the length L3 of the axial positioning screw 9. In order to prevent the axial positioning screw 9 from being inserted into the ground during assembly and interfering with assembly.
The total mass of the stator 5 and the assembling table 10 after fixed connection is more than three times of the mass of the rotor 2, so that the mutual attraction force between the stator 5 and the rotor 2 is prevented from influencing the assembling.
The utility model discloses a attach together the method, include following step:
the method comprises the following steps: aligning a boss 74 of a guide plate 7 with a spigot of a stator non-transmission end 51 of a stator 5, aligning a guide plate inner ring bolt hole 76 of the guide plate 7 with a bolt hole of the stator non-transmission end 51 of the stator 5, and fixing the guide plate 7 on the non-transmission end 51 by using a bolt;
step two: aligning an axial positioning plate inner ring bolt hole 31 of an axial positioning plate 3 with a bolt hole on the outer side of a coupling 4 of a rotor shaft upper end 22 of the rotor 2, screwing a bolt to connect the axial positioning plate 3 to the coupling 4;
step three: hoisting the stator 5 in the upward direction of the stator transmission end 52 of the stator 5, penetrating a guide pipe (73) of a guide plate 7 and a peripheral rib plate 72 into a central hole 102 on a table top 101 of an assembling table 10, and connecting the guide plate 7 with the assembling table 10 by using bolts;
step four: screwing a shaft end thread 91 of a guide cylinder axial positioning screw rod 9 into a central screw hole at the end part of a rotor non-transmission end 21 of a rotor 2, enabling a step end face 92 to be in close contact with the end face of the rotor non-transmission end 21 of the rotor 2, threading a guide cylinder 6 onto the guide cylinder axial positioning screw rod 9, enabling a connecting end 61 of the guide cylinder 6 to be sleeved on the end face 21 of the rotor non-transmission end 21, then screwing a fastening nut 8 onto a locking thread 94 of the guide cylinder axial positioning screw rod 9, pressing the guide cylinder 6 onto the end face of the rotor non-transmission end 21 of the rotor 5, and lengthening the rotor non-transmission end 21 to form a dummy shaft for positioning;
step five: the external threads 112 of 4 high-precision guide rods 11 are screwed in the bolt holes of the stator transmission end 52 of the stator 5, nuts are screwed to fasten the high-precision guide rods 11 on the transmission end surface 52,
step six: installing a lifting eye screw 1 in a central screw hole at the end part of a rotor transmission end 22 of the rotor 2, hoisting the rotor 2, aligning a guide cylinder 6 with a guide hole 75 of a guide plate 7, slightly dropping the rotor 2, aligning an outer ring guide hole 32 of an axial positioning plate 3 with a high-precision guide rod 11, and dropping the rotor 2 until an outer side seam allowance 34 of the axial positioning plate 3 is superposed with an end surface seam allowance of a stator transmission end 52 of the stator 5;
step seven: the axial positioning plate 3 on the coupling 4 of the rotor 2 is disassembled, a coupling supporting baffle plate (not shown in the figure) is aligned with 4 high-precision guide rods 11, and then 4 socket head cap screws are used for penetrating through screw holes at positions where the high-precision guide rods 11 are not installed, and the coupling supporting baffle plate is installed on a stator transmission end 52 of the stator 5; then, the four high-precision guide rods 11 are disassembled, 4 hexagon socket head cap screws are screwed in screw holes of the four high-precision guide rods 11, the torque wrench is adjusted to the designated torque, 8 hexagon socket head cap screws symmetrically fasten the coupling support baffle plate to the stator transmission end 52 of the stator 5, and the bolt anti-loose identification is drawn;
step eight: and (3) dismounting the lifting appliance, the lifting eye screw 1, the guide cylinder 6, the fastening nut 8 and the guide cylinder axial positioning screw rod 9, and dismounting 8M 8 process bolts on the inner side of the guide plate 7. Two lifting ring screws are symmetrically installed in corresponding process screw holes of the stator transmission end 52 of the stator 5, the assembled motor is vertically placed on the overturning table from the assembling table 10, then the motor is overturned and horizontally placed, then the motor is transported to the assembling workbench, and the two lifting ring screws on the stator transmission end 52 of the stator 5 are disassembled.
In summary, the following steps: the rotor transmission end and the stator transmission end are coaxial through combined guiding of an axial positioning plate temporarily arranged at the rotor transmission end and a high-precision guide rod temporarily arranged at the stator transmission end; meanwhile, the rotor non-transmission end and the stator non-transmission end are coaxial by utilizing the combined guide of a guide cylinder detachably connected with the rotor non-transmission end and a guide plate detachably connected with the stator non-transmission end; in order to ensure to attach together the in-process, rotor and stator are coaxial, avoid stator and rotor inter attraction and scotch stator and coil to realize that reliable, safe, high-efficient, the not damaged of stator and rotor attach together, ensure that the fixed, rotor attaches together the precision.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, so all equivalent technical solutions should also belong to the protection scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (10)
1. The utility model provides a non-transmission end single bearing permanent magnet traction motor decides, rotor attach together device, includes: the stator and rotor assembling device comprises an assembling table (10) for supporting the assembling of a stator and a rotor, a guide plate (7) and a guide cylinder (6), wherein a guide hole (75) is formed in the guide plate (7), the guide plate (7) is detachably connected to the end face of a stator non-transmission end (51) of a stator (5), the guide hole (75) is coaxial with the stator (5), and the guide plate (7) is detachably fixed on the assembling table (10); in the process of assembling the rotor (2) and the stator (5), the guide cylinder (6) is in guide fit with the guide hole (75); the method is characterized in that: a coupling (4) is arranged at a rotor transmission end (22) of the rotor (2), an axial positioning plate (3) is detachably connected to the end face of the outer side of the coupling (4), and a high-precision guide rod (11) is detachably connected to a stator transmission end (52) of the stator (5) along the axial direction; in the assembling process, the axial positioning plate (3) is in sliding fit with the high-precision guide rod (11) so as to ensure that the rotor transmission end (22) of the rotor (2) is coaxial with the stator transmission end (52) of the stator (5).
2. The stator and rotor combining device according to claim 1, wherein: the axial positioning plate (3) is disc-shaped, an axial positioning plate inner ring bolt hole (31) and an axial positioning plate outer ring guide hole (32) are coaxially arranged on the disc surface of the axial positioning plate (3), the position of the axial positioning plate inner ring bolt hole (31) corresponds to the position of a screw hole on the outer side end surface of the coupling (4), and the position of the axial positioning plate outer ring guide hole (32) corresponds to the position of a connecting screw hole on a stator transmission end (52) of the stator (5); an inner spigot (33) and an outer spigot (34) are arranged on one side edge of the axial positioning plate (3), the inner spigot (33) is coaxially matched with the shaft coupling (4), and the axial positioning plate (3) is detachably connected to the outer end face of the shaft coupling (4) by bolts penetrating through axial positioning plate inner ring bolt holes (31) so as to ensure that the axial positioning plate (3) is coaxial with the rotor (2); the outer spigot (34) is used for being matched with a stator transmission end (52) of the stator (5) when the outer spigot is assembled in place so as to ensure that the rotor transmission end (22) of the rotor (2) is coaxial with the stator transmission end (52) of the stator (5).
3. A stator and rotor combining device according to claim 2, wherein: one end of each high-precision guide rod (11) is provided with an external thread (112) matched with a screw hole arranged on the end face of the stator transmission end (52) of the stator (5), and at least three high-precision guide rods (11) are arranged on different screw holes on the end face of the stator transmission end (52) along the direction axially parallel to the stator (5); the diameter ratio of the body of rod (93) of high accuracy guide bar (11) the diameter of axial positioning board outer lane guiding hole (32) of axial positioning board (3) is little, and at the in-process that attaches together, the several axial positioning board outer lane guiding hole (32) overlap respectively and are in corresponding the position on high accuracy guide bar (11), slide along the body of rod (93), in order to ensure rotor transmission end (22) of rotor (2) with stator transmission end (52) of stator (5) are coaxial.
4. A stator and rotor combining device according to claim 3, wherein: the length L4 of the rod body (93) of the high-precision guide rod (11) is greater than the iron core length L1 of the rotor (2).
5. The stator and rotor combining device according to claim 1, wherein: the guide plate (7) is disc-shaped, a guide pipe (73) and a guide hole (75) are arranged in the center, rib plates (72) are arranged on the periphery of the guide pipe (73), guide plate inner ring bolt holes (76) and guide plate outer ring bolt holes (77) are arranged on the disc surface of the guide plate (7), the positions of the guide plate inner ring bolt holes (76) correspond to the positions of connection screw holes of the end surface of a stator non-transmission end (51) of the stator (5), and the guide plate outer ring bolt holes (77) are used for being connected with the combining table (10); a spigot (74) is arranged on one side edge of the guide plate (7), and the spigot (74) is matched and positioned with the stator non-transmission end (51) of the stator (5) to ensure that the guide hole (75) is coaxial with the stator non-transmission end (51) of the stator (5).
6. The stator and rotor combining device according to claim 1, wherein: guide cylinder (6) are long cylindric, long cylindric barrel (62) with adopt little clearance fit between guiding hole (75), guide cylinder (6) one end be provided with rotor non-transmission end (21) coaxial complex link (61) of rotor (2), the other end is fastening end (64) are provided with screw rod hole (63).
7. The stator and rotor combining device according to claim 6, wherein: the length L2 of the guide cylinder (6) is greater than the length L1 of the iron core of the rotor (2).
8. A stator and rotor combining device according to claim 7, wherein: the axial positioning screw rod is characterized by further comprising an axial positioning screw rod (9), one end of the axial positioning screw rod (9) is provided with a shaft end thread (91) which is matched and connected with a central screw hole in the end face of a rotor non-transmission end (21) of the rotor (2), the other end of the axial positioning screw rod is provided with a locking thread (94) which is matched and connected with a fastening nut (8), a step surface (92) is arranged between the root of the shaft end thread (91) and the rod body (93), and the step surface (92) is perpendicular to the axis of the rod body (93); the shaft end thread (91) of the axial positioning screw rod (9) is connected in the central screw hole of the end face of the rotor non-transmission end (21) of the rotor (2), the guide cylinder (6) is sleeved on the axial positioning screw rod (9), so that the connecting end (61) of the guide cylinder (6) is connected with the rotor non-transmission end (21) of the rotor (2) in a coaxial matching manner, the fastening nut (8) is fastened on the locking thread (94) of the axial positioning screw rod (9), and the guide cylinder (6) is coaxially connected in a pressing manner at the rotor non-transmission end (21) of the rotor (2).
9. The stator and rotor combining device according to claim 1, wherein: the table top (101) of the assembling table (10) is provided with a center hole (102), the diameter of the center hole (102) is larger than that of the rib plate (72) on the periphery of the guide pipe (73) of the guide plate (7), so that the guide plate (7) can be attached to the table top (101), and the height H of the assembling table (10) is larger than the length L3 of the axial positioning screw (9).
10. The stator-rotor combined device according to any one of claims 1 to 9, wherein: the total mass of the stator (5) and the assembling table (10) after fixed connection is more than three times of the mass of the rotor (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921401880.8U CN210137270U (en) | 2019-08-27 | 2019-08-27 | Stator and rotor combining device of non-transmission end single-bearing permanent magnet traction motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921401880.8U CN210137270U (en) | 2019-08-27 | 2019-08-27 | Stator and rotor combining device of non-transmission end single-bearing permanent magnet traction motor |
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| CN210137270U true CN210137270U (en) | 2020-03-10 |
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| CN201921401880.8U Active CN210137270U (en) | 2019-08-27 | 2019-08-27 | Stator and rotor combining device of non-transmission end single-bearing permanent magnet traction motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020952A (en) * | 2021-03-22 | 2021-06-25 | 西安交通大学 | Tool for pressing stator of high-speed permanent magnet motor into shell |
| CN113904507A (en) * | 2021-10-08 | 2022-01-07 | 中国科学院合肥物质科学研究院 | Device for assembling ultraviolet hyperspectral atmospheric composition detector edge scanning motor |
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2019
- 2019-08-27 CN CN201921401880.8U patent/CN210137270U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020952A (en) * | 2021-03-22 | 2021-06-25 | 西安交通大学 | Tool for pressing stator of high-speed permanent magnet motor into shell |
| CN113904507A (en) * | 2021-10-08 | 2022-01-07 | 中国科学院合肥物质科学研究院 | Device for assembling ultraviolet hyperspectral atmospheric composition detector edge scanning motor |
| CN113904507B (en) * | 2021-10-08 | 2023-07-11 | 中国科学院合肥物质科学研究院 | Device for assembling near-edge scanning motor of ultraviolet hyperspectral atmospheric component detector |
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