CN210137261U - Direct-drive traction motor rotating shaft sleeving device - Google Patents
Direct-drive traction motor rotating shaft sleeving device Download PDFInfo
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- CN210137261U CN210137261U CN201921402760.XU CN201921402760U CN210137261U CN 210137261 U CN210137261 U CN 210137261U CN 201921402760 U CN201921402760 U CN 201921402760U CN 210137261 U CN210137261 U CN 210137261U
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Abstract
Direct-drive traction motor pivot suit device is including being arranged in supporting and fixing a position rotor core along the support locating component of vertical setting and being arranged in the pressure equipment subassembly of rotor core with the pivot pressure equipment, and rotor core is along vertical location on supporting locating component, and the pivot is transferred to in the rotor core and one end stretches into to supporting locating component, and pressure equipment subassembly coaxial coupling is in supporting locating component top, and presses equipment the pivot downwards along the pivot axis. The utility model discloses a supporting positioning assembly and pressure equipment subassembly's cooperation messenger realizes the suit of rotor core and pivot, and whole suit process need not to adopt outside pressure equipment, safety, and reliable and economical and practical, the internal diameter through the mode increase rotor core of heating, increase the axial displacement that the pivot was transferred to in the pivot, make the axial friction pressure equipment displacement of pivot in the rotor core littleer, reduce the damage of pivot at the suit in-process, realize that the pivot is reliable, safety, high efficiency, the suit of not damaged is to the rotor core.
Description
Technical Field
The utility model relates to a directly drive traction motor pivot suit device for directly drive the suit of traction motor pivot and rotor core.
Background
The sleeve shaft device of the traction motor at the present stage is sleeved by an oil press, and the method of sleeving the rotating shaft by the oil press has the following defects: 1. uneconomic, high operating cost due to the need of purchasing a special oil press; 2. the application range is limited, and the oil press can not be adopted for rotating shaft sleeving for the motor with the rotating shaft length exceeding the stroke due to the stroke limitation of the oil press. The novel direct-drive permanent magnet traction motor adopts a structure that a rotating shaft and a vehicle rotating shaft are coaxial, the length of the rotating shaft reaches 2.2m, the conventional oil press cannot meet the requirement of sleeving operation of the rotating shaft of the motor, the purchase of an unconventional oil press is high in cost, and the motor is not necessary for small-batch production.
Relevant prior patent documents detected are:
1, CN201420408129.1, a horizontal motor shaft press-mounting machine, which discloses a horizontal motor shaft press-mounting machine, comprising a machine body, wherein one end of the machine body is arranged on a mounting seat, and the machine body is arranged on a plurality of machine body support legs; a hydraulic oil cylinder is arranged on the mounting seat, a main cylinder top plate is arranged on the hydraulic oil cylinder, and the main cylinder top plate is fixedly connected with a main cylinder guide plate; the other end of the machine body is movably connected with a movable sliding block, and a motor shaft fixing hole is formed in the movable sliding block; the machine body is movably connected with a plurality of material supporting mechanisms, and the material supporting mechanisms are provided with motor shaft holes; and two rows of pin shaft mounting holes are arranged on the machine body.
2, CN201720027158.7, a press mounting tool structure for a rotating shaft of a generator, which comprises a rotating shaft, an iron core, a rotating shaft adjusting unit and an iron core adjusting unit; the rotating shaft adjusting unit comprises a length clamping sleeve and an adjusting sleeve, wherein the length clamping sleeve comprises a first center hole, an operating part and a sleeve body; the bottom end of the sleeve body extends downwards to form three convex teeth; the top end of the adjusting sleeve is sequentially provided with three groove units, each groove unit comprises a first groove, a second groove and a third groove, and the horizontal planes where the top ends of the first groove, the second groove and the third groove are located are sequentially increased; the convex teeth of the length cutting sleeve are abutted against the first groove, the second groove or the third groove; the iron core adjusting unit comprises an accommodating space and a second center hole, the iron core is arranged in the accommodating space, and the rotating shaft sequentially penetrates through the first center hole, the iron core and the second center hole from top to bottom.
The prior art has no sleeving structure and method aiming at a longer rotating shaft and a stator core, so that the problem which needs to be solved in the motor manufacturing technology is how to realize reliable, safe, efficient, nondestructive and economic sleeving of the rotating shaft of the motor with the novel structure in a rotor core.
SUMMERY OF THE UTILITY MODEL
The utility model provides a directly drive traction motor pivot suit device, the cooperation through supporting locating component and pressure equipment subassembly makes the suit that realizes rotor core and pivot, and whole suit process need not to adopt outside pressure equipment, safety, reliable and economical and practical, the mode through the heating increases the internal diameter that the rotor is unshakable in one's determination, increase the axial displacement that the pivot was transferred to in the pivot, make the axial friction pressure equipment displacement of pivot in the rotor core littleer, reduce the damage of pivot at the suit in-process, it is reliable to realize the pivot, safety, high efficiency, the suit of not damaged is to the rotor core in.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
direct-drive traction motor pivot suit device is including being arranged in supporting and fixing a position rotor core along the support locating component of vertical setting and being arranged in the pressure equipment subassembly of rotor core with the pivot pressure equipment, and rotor core is along vertical location on supporting locating component, and the pivot is transferred to in the rotor core and one end stretches into to supporting locating component, and pressure equipment subassembly coaxial coupling is in supporting locating component top, and presses equipment the pivot downwards along the pivot axis.
Preferably, the supporting and positioning assembly comprises a supporting table, a base placed on the supporting table, and a rotor supporting plate placed on the base and coaxially positioned with the base, and the rotor core is placed on the rotor supporting plate and coaxially positioned with the rotor supporting plate.
Preferably, the upper surface of the base is provided with a first groove which is matched with the bottom of the rotor supporting plate in a radial positioning mode, and the upper surface of the rotor supporting plate is provided with a second groove which is matched with the pressing ring at the lower end of the rotor core in a radial positioning mode.
Preferably, the press-fitting assembly comprises a hydraulic pump assembly for applying vertical pressure to the end face of the rotating shaft, a downward pressing positioning assembly for positioning the hydraulic pump assembly vertically and a conversion head coaxially connected with the upper end face of the rotating shaft, and the hydraulic pump assembly is coaxially positioned and matched with the conversion head.
Preferably, the hydraulic pump assembly comprises a hydraulic pump coaxially connected with the downward pressing positioning assembly and a pressing cylinder coaxially connected to the telescopic end of the hydraulic pump, the top of the conversion head is provided with a third groove matched with the pressing cylinder, and the pressing cylinder extends into the third groove and is in clearance fit with the third groove.
Preferably, the downward pressing positioning assembly comprises a pressing plate coaxially connected with the connecting end of the hydraulic pump, and a pull rod connecting the pressing plate and the supporting positioning assembly, wherein the pull rod is symmetrically distributed by taking the central axis of the rotating shaft as a central space.
Preferably, the pull rod both ends be the lug shape, install respectively on briquetting and the base with the tip complex adapter of pull rod, have the opening chamber that is used for holding the pull rod tip on the adapter, the opening chamber on open and have along the through-hole that radially sets up, the movable pin passes the lug hole of through-hole and pull rod tip and is connected the pull rod with the adapter.
The beneficial effects of utility model are that:
1. the utility model discloses a directly drive traction motor pivot suit device is including supporting locating component and pressure equipment subassembly, supports locating component and is used for supporting and fix a position the rotor core, and the pressure equipment subassembly is used for impressing the pivot in the rotor core, makes the suit of realizing rotor core and pivot through cooperation between them, and whole suit process need not to adopt outside pressure equipment, and is safe, reliable and economical and practical.
2. The base coaxial positioning among the supporting location subassembly is on a supporting bench, rotor core coaxial positioning is on the base, make rotor core location, guarantee that rotor core can not radially remove at the pressure equipment in-process, the clamp plate among the pressure equipment subassembly passes through the pull rod and supports the locating component to be connected, and the pull rod uses the pivot axis as central space symmetric distribution, hydraulic pump connection is on the clamp plate, with the hydraulic pump along vertical location in the pivot top, and make supporting location subassembly and pressure equipment subassembly link into an integrated entity through the pull rod, guarantee the structural stability and the directional stability of hydraulic pump pressure force that support the locating component among the pressure equipment process, make the suit process safe and reliable more.
3. The lug shape is designed into at the pull rod both ends to be connected with clamp plate and support positioning assembly through adapter and removable pin, it is higher to connect convenient and pull rod's intensity, a section of thick bamboo is pressed in the flexible end connection of hydraulic pump, the conversion head is connected to the pivot up end, through the clearance fit who presses a section of thick bamboo and conversion head, carry out accurate location to the hydraulic pump, guarantee pressure and apply along the pivot axis, and prevent that the hydraulic pump from inclining, make the even atress of pivot terminal surface, the pivot is impressed in the rotor iron core along the axis.
4. The utility model discloses a direct drive traction motor pivot suit method adopts earlier heating expansion rotor core, transfer the pivot to heating expansion's rotor core again, later reuse pressure equipment subassembly pushes down the pivot and makes rotor core and pivot suit target in place, the mode through the heating increases the internal diameter of rotor core, increase the axial displacement that the pivot was transferred to in the pivot, make the axial friction pressure equipment displacement of pivot in rotor core littleer, reduce the damage of pivot in the suit in-process, the backstop of pivot and rotor core upper surface coincidence back, continue the pressurize 1 hour behind 40Mpa of increase hydraulic pump, under the condition that the diameter gradually reduces including guaranteeing in the stator core cooling process, avoid pivot axial float, guarantee that pivot suit position is unchangeable, realize the pivot reliable, safety, high efficiency, the suit of not damaged is to the rotor core.
Drawings
Fig. 1 is a side view of a direct drive traction motor rotating shaft sleeving device in a specific embodiment when sleeving a stator core and a rotating shaft.
Fig. 2 is another side view of the direct drive traction motor rotating shaft sleeving device sleeving the stator core and the rotating shaft in the specific embodiment.
Fig. 3 is a schematic structural diagram of the base.
Fig. 4 is a schematic structural view of a rotor support plate.
Fig. 5 is a schematic structural diagram of the transducing head.
Fig. 6 is a schematic structural diagram of the adapter.
Detailed Description
The following describes embodiments of the present invention in detail with reference to fig. 1 to 6.
Direct-drive traction motor pivot suit device, including being arranged in supporting and fixing a position rotor core 100 along the support locating component 1 of vertical setting and being arranged in the pressure equipment subassembly 2 of rotor core 100 with pivot 101 pressure equipment, rotor core 100 is along vertical location on supporting locating component 1, pivot 101 is transferred to the rotor core in and one end stretch into to supporting locating component 1, pressure equipment subassembly 2 coaxial coupling is in supporting locating component 1 top, and presses equipment pivot 101 downwards along pivot 101 axis.
The direct-drive traction motor rotating shaft sleeving device comprises a supporting and positioning assembly 1 and a press-fitting assembly 2, wherein the supporting and positioning assembly 1 is used for supporting and positioning a rotor core, the press-fitting assembly 2 is used for pressing a rotating shaft 101 into the rotor core 100, the rotor core and the rotating shaft are sleeved through the cooperation of the supporting and positioning assembly and the press-fitting assembly 2, and the whole sleeving process does not need to adopt external press-fitting equipment, so that the direct-drive traction motor rotating shaft sleeving device is safe, reliable, economical and practical.
The supporting and positioning assembly 1 includes a supporting platform 11, a base 12 disposed on the supporting platform 11, and a rotor supporting plate 13 disposed on the base 12 and coaxially positioned with the base 12, and the rotor core 100 is disposed on the rotor supporting plate 13 and coaxially positioned with the rotor supporting plate 13. The base 12 is coaxially positioned on the supporting table 11, and the rotor core 100 is coaxially positioned on the base, so that the rotor core 100 is positioned, and the rotor core is ensured not to move along the radial direction in the press-fitting process.
The upper surface of the base 12 is provided with a first groove 12.1 which is matched with the bottom of the rotor supporting plate 13 in a radial positioning manner, and the upper surface of the rotor supporting plate 13 is provided with a second groove 13.1 which is matched with a pressing ring at the lower end of the rotor core 100 in a radial positioning manner. Radial positioning of the rotor supporting plate 12 is achieved through radial positioning matching of the first groove 12.1 and the rotor supporting plate 12, and radial positioning of the rotor core 100 is achieved through radial positioning matching of the lower end pressing diagram of the rotor core 100 and the second groove 13.1, so that the rotor core 100 cannot move in the radial direction in the sleeving process, the sleeving accuracy is higher, and the reliability is higher.
The press-fitting assembly 2 comprises a hydraulic pump assembly 21 for applying vertical pressure to the end face of the rotating shaft, a press-down positioning assembly 22 for positioning the hydraulic pump assembly 21 in the vertical direction, and a conversion head 23 coaxially connected with the upper end face of the rotating shaft 101, wherein the hydraulic pump assembly 21 and the conversion head 23 are coaxially positioned and matched. The hydraulic pump assembly 21 is used for providing hydraulic power, the pressing positioning assembly is used for positioning the hydraulic pump assembly 21, and the conversion head 23 is used for being matched with the hydraulic pump assembly 21 to guarantee the direction accuracy of the pressure.
The hydraulic pump assembly 21 comprises a hydraulic pump 21.1 coaxially connected with the pressing positioning assembly 22 and a pressing cylinder 21.2 coaxially connected with the telescopic end of the hydraulic pump 21.1, the top of the conversion head 23 is provided with a groove III 23.1 matched with the pressing cylinder 21.2, and the pressing cylinder 21.2 extends into the groove III 23.1 and is in clearance fit with the groove III 23.1. The pressing cylinder 21.2 is connected to the hydraulic pump 21.1 and moves along with the extension of the hydraulic pump 21.1, pressure acts on the conversion head 23, and the conversion head 23 is in clearance fit with the pressing cylinder 21.2, so that the accuracy of the direction of downward pressure can be guaranteed, the uniform stress on the upper end face of the rotating shaft 101 can be guaranteed, the safety of the sleeving is improved, and the damage of the rotating shaft or a stator core caused by the deflection of the pressure direction is avoided.
The downward-pressing positioning assembly 22 comprises a pressing plate 22.1 coaxially connected with the connecting end of the hydraulic pump 21.1, a pull rod 22.2 connecting the pressing plate 22.1 and supporting the positioning assembly 1, and the pull rod 22.2 is distributed symmetrically by taking the central axis of the rotating shaft 101 as a central space. The pull rod 22.2 is connected with the supporting and positioning assembly 1, and the pull rod 22.2 uses the central axis of the rotating shaft 101 as the central space, the hydraulic pump 21.1 is connected on the pressing plate 22.1, the hydraulic pump 21.1 is vertically positioned above the rotating shaft 101, and the supporting and positioning assembly 1 is connected with the press-mounting assembly 2 into a whole through the pull rod 22.2, so that the stability of the supporting and positioning assembly 1 and the directional stability of the pressure of the hydraulic pump in the press-mounting process are ensured, and the sleeving process is safer and more reliable.
The two ends of the pull rod 22.2 are in a lifting lug shape, the pressing block 22.1 and the base 12 are respectively provided with an adapter 24 matched with the end part of the pull rod 22.2, the adapter 24 is provided with an open cavity 24.1 used for accommodating the end part of the pull rod 22.2, the open cavity 24.1 is provided with a through hole 24.2 arranged along the radial direction, and a movable pin penetrates through the through hole 24.2 and a lifting lug hole at the end part of the pull rod 22.2 to connect the pull rod 22.2 with the adapter 24. The two ends of the pull rod 22.2 are designed into lifting lug shapes and are connected with the pressing plate and the supporting and positioning assembly 1 through the adapter 24 and the movable pin, so that the connection is convenient, and the strength of the pull rod 22.2 is higher.
The direct-drive traction motor rotating shaft sleeving method is characterized in that the rotor core 100 and the rotating shaft 101 are sleeved by the direct-drive traction motor rotating shaft sleeving device, the rotor core 100 is heated and expanded, the heated and expanded rotor core 100 is positioned on the supporting and positioning assembly 1, the rotating shaft 101 is hoisted and lowered into the expanded rotor core 100, and finally the press-mounting assembly 2 is used for downward press-mounting the rotating shaft 100 to enable the rotor core 100 and the rotating shaft 101 to be sleeved in place.
The direct-drive traction motor rotating shaft sleeving method comprises the steps of heating and expanding the rotor core 100, then placing the rotating shaft 101 into the heated and expanded rotor core, then pressing the rotating shaft downwards by the press-fitting assembly 2 to enable the rotor core and the rotating shaft to be sleeved in place, increasing the inner diameter of the rotor core in a heating mode, increasing the axial displacement of the rotating shaft placed into the rotating shaft downwards, enabling the axial friction press-fitting displacement of the rotating shaft in the rotor core to be smaller, and reducing the damage of the rotating shaft in the sleeving process.
The expression "the rotor core 100 is heated and expanded, and then the heated and expanded rotor core 100 is positioned on the supporting and positioning assembly 1" means that the rotor core 100 is heated in a constant temperature oven at 300 degrees for at least three hours to fully expand the rotor core 100, and then the rotor core 100 is taken out of the constant temperature oven and positioned on the supporting and positioning assembly 1, and the temperature of the rotor core 100 is not lower than 280 degrees when the rotor core 100 is positioned on the supporting and positioning assembly 1; the phrase "hoisting the rotating shaft 101 into the expanded rotor core 100" means that the adapter 23 is fixed to the upper end surface of the rotating shaft 101, a hoisting screw is installed on the adapter 23, the rotating shaft 101 is hoisted to the position right above the rotor core 100 by the hoisting screw, and then the rotating shaft 101 is smoothly lowered into the rotor core 100 until the rotating shaft 101 cannot fall down.
The step of downwards pressing the rotating shaft 100 by using the pressing component 2 to enable the rotor core 100 and the rotating shaft 101 to be sleeved in place refers to that firstly, the pull rod 22.2 and the hydraulic pump 21.1 are connected to the pressing plate 22.1, the pressing barrel 21.2 is connected to the hydraulic pump 21.1, then, a lifting screw is installed on the pressing plate 22.1, the pressing plate 22.1 is lifted, when the rotating shaft 101 cannot fall down in the rotor core 100, the pressing plate 22.1 is lifted to be right above the rotating shaft 101, the pressing barrel 21.2 is inserted into the groove III 23.1 of the conversion head 23 in a clearance fit mode, the lower end of the pull rod 22.2 is connected with the supporting and positioning component 1, then, the hydraulic pump 21.1 is slowly started to press the rotating shaft 101 down until the stop of the rotating shaft 101 is overlapped with the upper surface of the rotor core 100, the pressure of the hydraulic pump 21.1 is continuously increased to 40Mpa, and then the.
After the stop of the rotating shaft 101 coincides with the upper surface of the rotor core 100, the pressure of the hydraulic pump 21.1 is continuously increased to 40Mpa, and then the pressure is maintained for 1 hour, so that the axial movement of the rotating shaft 101 is avoided under the condition that the inner diameter is gradually reduced in the cooling process of the stator core 100, the sleeving position of the rotating shaft is unchanged, and the rotating shaft 101 is sleeved in the rotor core 100 reliably, safely, efficiently and harmlessly.
The technical solutions of the embodiments of the present invention are completely described above with reference to the accompanying drawings, and it should be noted that the described embodiments are only some embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (7)
1. Direct-drive traction motor pivot suit device, its characterized in that is including being arranged in supporting and fixing a position rotor core (100) along support locating component (1) of vertical setting and being arranged in the pressure equipment subassembly (2) of rotor core (100) pressure equipment with pivot (101), rotor core (100) are along vertical location on support locating component (1), pivot (101) are transferred to the rotor core in and one end stretches into in supporting locating component (1), pressure equipment subassembly (2) coaxial coupling is in supporting locating component (1) top, and along pivot (101) axis with pivot (101) pressure equipment downwards.
2. The direct-drive traction motor rotating shaft sleeving device is characterized in that the supporting and positioning assembly (1) comprises a supporting table (11), a base (12) placed on the supporting table (11) and a rotor supporting plate (13) placed on the base (12) and coaxially positioned with the base (12), and the rotor core (100) is placed on the rotor supporting plate (13) and coaxially positioned with the rotor supporting plate (13).
3. The direct-drive traction motor rotating shaft sleeving device is characterized in that a first groove (12.1) matched with the bottom of the rotor supporting plate (13) in a radial positioning mode is formed in the upper surface of the base (12), and a second groove (13.1) matched with a pressing ring at the lower end of the rotor core (100) in a radial positioning mode is formed in the upper surface of the rotor supporting plate (13).
4. The direct-drive traction motor rotating shaft sleeving device is characterized in that the press-fitting assembly (2) comprises a hydraulic pump assembly (21) for applying vertical pressure to the end face of the rotating shaft, a downward pressing positioning assembly (22) for vertically positioning the hydraulic pump assembly (21) and a conversion head (23) coaxially connected with the upper end face of the rotating shaft (101), and the hydraulic pump assembly (21) is coaxially positioned and matched with the conversion head (23).
5. The direct-drive traction motor rotating shaft sleeving device is characterized in that the hydraulic pump assembly (21) comprises a hydraulic pump (21.1) and a pressing cylinder (21.2), the hydraulic pump (21.1) is coaxially connected with the downward-pressing positioning assembly (22), the pressing cylinder (21.2) is coaxially connected with the telescopic end of the hydraulic pump (21.1), the top of the conversion head (23) is provided with a groove III (23.1) matched with the pressing cylinder (21.2), and the pressing cylinder (21.2) extends into the groove III (23.1) and is in clearance fit with the groove III (23.1).
6. The direct-drive traction motor rotating shaft sleeving device is characterized in that the downward pressing positioning assembly (22) comprises a pressing plate (22.1) coaxially connected with the connecting end of the hydraulic pump (21.1), a pull rod (22.2) for connecting the pressing plate (22.1) and the supporting and positioning assembly (1) is connected, and the pull rod (22.2) is spatially and symmetrically distributed by taking the central axis of the rotating shaft (101) as a center.
7. The direct-drive traction motor rotating shaft sleeving device is characterized in that two ends of the pull rod (22.2) are in a lifting lug shape, the pressing block (22.1) and the base (12) are respectively provided with an adapter (24) matched with the end part of the pull rod (22.2), the adapter (24) is provided with an open cavity (24.1) used for accommodating the end part of the pull rod (22.2), the open cavity (24.1) is provided with a through hole (24.2) arranged along the radial direction, and the movable pin penetrates through the through hole (24.2) and a lifting lug hole at the end part of the pull rod (22.2) to connect the pull rod (22.2) with the adapter (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921402760.XU CN210137261U (en) | 2019-08-27 | 2019-08-27 | Direct-drive traction motor rotating shaft sleeving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921402760.XU CN210137261U (en) | 2019-08-27 | 2019-08-27 | Direct-drive traction motor rotating shaft sleeving device |
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| Publication Number | Publication Date |
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| CN210137261U true CN210137261U (en) | 2020-03-10 |
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| CN201921402760.XU Active CN210137261U (en) | 2019-08-27 | 2019-08-27 | Direct-drive traction motor rotating shaft sleeving device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350728A (en) * | 2019-08-27 | 2019-10-18 | 中车株洲电机有限公司 | It is straight to drive traction electric machine shaft set device and method |
-
2019
- 2019-08-27 CN CN201921402760.XU patent/CN210137261U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350728A (en) * | 2019-08-27 | 2019-10-18 | 中车株洲电机有限公司 | It is straight to drive traction electric machine shaft set device and method |
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