CN204868028U - Dismounting device of traction motor shaft coupling - Google Patents
Dismounting device of traction motor shaft coupling Download PDFInfo
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- CN204868028U CN204868028U CN201520511407.0U CN201520511407U CN204868028U CN 204868028 U CN204868028 U CN 204868028U CN 201520511407 U CN201520511407 U CN 201520511407U CN 204868028 U CN204868028 U CN 204868028U
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- shaft coupling
- motor shaft
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- screw rod
- liquid cylinder
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Abstract
The utility model relates to a dismounting device of traction motor shaft coupling, including the motor shaft with rather than the dress shaft coupling that has an oiling mouth even, the motor shaft is equipped with central screw hole, still including radial pressurization expansion subassembly and axial protection subassembly, radial pressurization expansion subassembly is including super high pressure pneumatic hydraulic pump and annotate oil pipe, the oil pipe interface of super high pressure pneumatic hydraulic pump is linked together with the oiling mouth of the shaft coupling of motor through notes oil pipe, axial protection subassembly includes screw rod, cushion, axial pneumatic cylinder and manual hydraulic pressure rifle with the central screw hole threaded connection of motor shaft, the suit is on the screw rod respectively for cushion and axial pneumatic cylinder, and the tip of screw rod is equipped with fastening nut, and the axial pneumatic cylinder is located between cushion and the fastening nut, manual hydraulic pressure rifle and axial pneumatic cylinder tube coupling, interval between cushion and the axial pneumatic cylinder is 8mm-12mm. The utility model discloses dismantle efficiently, dismantle the quality moreover and reliable and can not harm the shaft coupling.
Description
Technical field
The utility model relates to a kind of provision for disengagement, is specifically related to a kind of provision for disengagement of traction electric machine shaft coupling.
Background technology
The axle head of the motor shaft of traction electric machine of the present utility model has male cone (strobilus masculinus), and the internal taper hole interference fit of the male cone (strobilus masculinus) of motor shaft and shaft coupling, described shaft coupling is provided with pouring orifice, and pouring orifice is connected with the internal taper hole surface of shaft coupling, by oiling of exerting pressure to pouring orifice, the endoporus of expansion shaft coupling, can facilitate motor shaft and shaft coupling interference fit or dismounting.
During the dismounting of state, inside and outside motor-car traction motor shaft coupling, be generally with hand-hydraulic rifle as the radial pressue device of shaft coupling, carry out stage by stage pressurizeing and pressurize.Do not drop after extruding for preventing shaft coupling, at motor shaft drive end, screw in the screwed hole of centre of motor shaft by a high-strength screw rod, a cylindrical cushion block on screw rod overlaps, finally on screw rod, screw on a nut carries out axial limiting, for ensureing that shaft coupling can normally be deviate from after the pressurizing, nut must be ensured, between cushion block and sealing of motor spindle end face, have the gap of one fixed width.The provision for disengagement of this traction electric machine shaft coupling, make the inefficiency dismantled, and shaft coupling strikes cushion block and stop nut after the pressurizing after motor shaft is deviate from, and can rebound on rotor axis of electric again, cause secondary damage.Injured light rotor axis of electric and shaft coupling internal taper hole, could use further after needing to carry out reconditioning, serious damage also can cause rotor axis of electric and shaft coupling to scrap, therefore, a kind of traction electric machine of current urgent need shaft coupling removal efficiency high and dismounting reliable in quality provision for disengagement.
Some enterprise starts to apply air-driven hydraulic pump to carry out shaft coupling dismounting, but because Pneumatic hydraulic pump pressure is large not, often dismantle half at shaft coupling, shaft coupling can be caused not disassemble from armature spindle smoothly because the dismounting pressure of air-driven hydraulic pump is too small; Have in order to reduce shaft coupling resilience after extrusion, a rubber cushion blocks has been installed again additional on screw rod, the phenomenon of shaft coupling and motor shaft damage can be alleviated so to a certain extent, but in practical operation or shaft coupling and the impaired phenomenon of the motor shaft conical surface can not be avoided completely.Therefore, high to removal efficiency and the demand of coupling dismounting device that is dismounting reliable in quality is more and extremely more urgent.
Summary of the invention
The purpose of this utility model is: not only removal efficiency is high to provide one, and dismounting reliable in quality and can not damage the provision for disengagement of traction electric machine shaft coupling of axle and shaft coupling, to overcome the deficiencies in the prior art.
In order to achieve the above object, the technical solution of the utility model is: a kind of provision for disengagement of traction electric machine shaft coupling, comprise motor shaft and the shaft coupling with pouring orifice with its load, motor shaft is provided with screwed hole of centre, and its innovative point is: also comprise radial pressurization Stent assembly and axially protect assembly;
Described radial direction pressurization Stent assembly comprises superhigh pressure pneumatic hydraulic pump and oil fuel tube, and the described tubing interface of superhigh pressure pneumatic hydraulic pump is connected with one end of oil fuel tube, and the other end of oil fuel tube is connected with the pouring orifice of the shaft coupling of motor;
Described axially protection assembly comprises the screw rod, cushion block, axial liquid cylinder pressure and the hand-hydraulic rifle that are threaded with the screwed hole of centre of motor shaft, described cushion block and axial liquid cylinder pressure are set on screw rod, clamp nut is equipped with in the end of screw rod, and axial liquid cylinder pressure is between cushion block and clamp nut, described hand-hydraulic rifle is connected with axial hydraulic earthen pipe road;
Spacing between described cushion block and axial liquid cylinder pressure is 8mm ~ 12mm.
The good effect that the utility model has is: after adopting provision for disengagement of the present utility model, because the utility model comprises motor shaft and the shaft coupling with pouring orifice with its load, motor shaft is provided with screwed hole of centre, and also comprises radial pressurization Stent assembly and axially protect assembly, described radial direction pressurization Stent assembly comprises superhigh pressure pneumatic hydraulic pump and oil fuel tube, and described axially protection assembly comprises the screw rod, cushion block, axial liquid cylinder pressure and the hand-hydraulic rifle that are threaded with the screwed hole of centre of motor shaft, during dismounting, manually hydraulic gun applies certain pressure to axial liquid cylinder pressure, the push rod of axial liquid cylinder pressure is made to withstand cushion block, then start superhigh pressure pneumatic hydraulic pump and radial pressure is applied to shaft coupling, first time applies pressure to 2/3 of superhigh pressure pneumatic hydraulic pump maximum pressure, pressurize a few minutes, then maximum allowble pressure is forced into, pressurize number minute again, then the pressure of hand-hydraulic rifle is laid down, the push rod of axial liquid cylinder pressure is retracted, shaft coupling then can slide certain distance from the male cone (strobilus masculinus) of motor shaft, close superhigh pressure pneumatic hydraulic pump again, when deviating from after shaft coupling pressurization, because axial liquid cylinder pressure has very big buffering energy-absorbing function, thus the shaft coupling taken off can not be made to produce bounce-back, thus protect the internal taper hole of the shaft coupling of motor and the motor shaft conical surface all can not damaged, also can not there is impaired reconditioning again or scrap phenomenon, meanwhile, the utility model has simple to operate, quick, and the removal efficiency of shaft coupling can improve more than 100%.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of detailed description of the invention of the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing and the embodiment that provides, the utility model is further described, but is not limited thereto.
As shown in Figure 1, a kind of provision for disengagement of traction electric machine shaft coupling, comprise motor shaft and the shaft coupling 3-1 with pouring orifice with its load, motor shaft is provided with screwed hole of centre, also comprises radial pressurization Stent assembly 1 and axially protects assembly 2;
Described radial direction pressurization Stent assembly 1 comprises superhigh pressure pneumatic hydraulic pump 1-1 and oil fuel tube 1-2, the tubing interface of described superhigh pressure pneumatic hydraulic pump 1-1 is connected with one end of oil fuel tube 1-2, and the other end of oil fuel tube 1-2 is connected with the pouring orifice of the shaft coupling of motor;
Described axially protection assembly 2 comprise be threaded with the screwed hole of centre of motor shaft screw rod 2-1, cushion block 2-2, axial liquid cylinder pressure 2-3 and hand-hydraulic rifle 2-4, described cushion block 2-2 and axial liquid cylinder pressure 2-3 is set on screw rod 2-1, clamp nut 2-5 is equipped with in the end of screw rod 2-1, and axial liquid cylinder pressure 2-3 is between cushion block 2-2 and clamp nut 2-5, described hand-hydraulic rifle 2-4 is connected with axial liquid cylinder pressure 2-3 pipeline;
Spacing between described cushion block 2-2 and axial liquid cylinder pressure 2-3 is 8mm ~ 12mm.
Superhigh pressure pneumatic hydraulic pump 1-1 of the present utility model is by air as power source, and pressurization can reach the air-driven hydraulic pump of more than 300MPa; The diameter of cushion block 2-2 described in the utility model is greater than the diameter of motor shaft.
The push rod 2-3-1 of axial liquid cylinder pressure 2-3 described in the utility model is with axially extending bore, and axial liquid cylinder pressure 2-3 has the through hole be equipped with screw rod 2-1 phase.
The course of work of the present utility model, before carrying out shaft coupling dismounting, first motor 3 traveling crane is delivered on workbench 4, then the tubing interface of superhigh pressure pneumatic hydraulic pump 1-1 is connected with the pouring orifice of the shaft coupling 3-1 of motor by oil fuel tube 1-2, then in the screwed hole at rotor end face center, be screwed into a high-strength screw rod 2-1, then on high-strength screw rod 2-1, cushion block 2-2 is loaded onto, axial liquid cylinder pressure 2-3, and the clamp nut 2-5 that screws on, cushion block 2-2 and axial liquid cylinder pressure 2-3 keeps the gap of about 10mm, manually hydraulic gun 2-4 applies certain pressure to axial liquid cylinder pressure 2-3, the push rod 2-3-1 of axial liquid cylinder pressure 2-3 is made to withstand cushion block 2-2, and allow the shaft coupling 3-1 of cushion block 2-2 and motor 3 and the end face of motor shaft offset, then start superhigh pressure pneumatic hydraulic pump 1-1 and radial pressure is applied to the inner conical surface of shaft coupling 3-1, first time applies pressure to 2/3 of superhigh pressure pneumatic hydraulic pump 1-1 maximum pressure, pressurize a few minutes, then maximum allowble pressure is forced into, pressurize number minute again, then the pressure of hand-hydraulic rifle 2-4 is laid down, the push rod 2-3-1 of axial liquid cylinder pressure 2-3 is retracted, shaft coupling 3-1 then can slide certain distance from the male cone (strobilus masculinus) of the motor shaft of motor 3, close superhigh pressure pneumatic hydraulic pump 1-1 again, finally back out clamp nut 2-5, take off axial liquid cylinder pressure 2-3 successively, cushion block 2-2, shaft coupling 3-1 and high-strength screw rod 2-1, shaft coupling has been dismantled.When deviating from after shaft coupling pressurization; because axial liquid cylinder pressure has very big buffering energy-absorbing function; thus the shaft coupling taken off can not be made to produce bounce-back, thus protect the internal taper hole of the shaft coupling of motor and the motor shaft conical surface all can not damaged, also can not there is impaired reconditioning again or scrap phenomenon.
Claims (1)
1. a provision for disengagement for traction electric machine shaft coupling, comprise motor shaft and the shaft coupling with pouring orifice with its load, motor shaft is provided with screwed hole of centre, it is characterized in that: also comprise radial pressurization Stent assembly (1) and axially protect assembly (2);
Described radial direction pressurization Stent assembly (1) comprises superhigh pressure pneumatic hydraulic pump (1-1) and oil fuel tube (1-2), the tubing interface of described superhigh pressure pneumatic hydraulic pump (1-1) is connected with one end of oil fuel tube (1-2), and the other end of oil fuel tube (1-2) is connected with the pouring orifice of the shaft coupling of motor;
Screw rod (2-1), cushion block (2-2), axial liquid cylinder pressure (2-3) and hand-hydraulic rifle (2-4) that described axis is protected assembly (2) to comprise to be threaded with the screwed hole of centre of motor shaft, described cushion block (2-2) and axial liquid cylinder pressure (2-3) are set on screw rod (2-1), clamp nut (2-5) is equipped with in the end of screw rod (2-1), and axial liquid cylinder pressure (2-3) is positioned between cushion block (2-2) and clamp nut (2-5), described hand-hydraulic rifle (2-4) is connected with axial liquid cylinder pressure (2-3) pipeline;
Spacing between described cushion block (2-2) and axial liquid cylinder pressure (2-3) is 8mm ~ 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520511407.0U CN204868028U (en) | 2015-07-15 | 2015-07-15 | Dismounting device of traction motor shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520511407.0U CN204868028U (en) | 2015-07-15 | 2015-07-15 | Dismounting device of traction motor shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204868028U true CN204868028U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520511407.0U Active CN204868028U (en) | 2015-07-15 | 2015-07-15 | Dismounting device of traction motor shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204868028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551202A (en) * | 2018-11-30 | 2019-04-02 | 湖北合强机械发展股份有限公司 | The assembly and disassembly methods of shaft coupling |
| CN110405452A (en) * | 2019-09-05 | 2019-11-05 | 湖北合强机械发展股份有限公司 | Traction electric machine node is pressed dismounting machine |
-
2015
- 2015-07-15 CN CN201520511407.0U patent/CN204868028U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551202A (en) * | 2018-11-30 | 2019-04-02 | 湖北合强机械发展股份有限公司 | The assembly and disassembly methods of shaft coupling |
| CN110405452A (en) * | 2019-09-05 | 2019-11-05 | 湖北合强机械发展股份有限公司 | Traction electric machine node is pressed dismounting machine |
| CN110405452B (en) * | 2019-09-05 | 2024-05-14 | 湖北合强机械发展股份有限公司 | Traction motor node press mounting and dismounting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213000 Jiangsu city of Changzhou province Wujin Fenglin District of Wujin national hi tech Industrial Development Zone, Road No. 199 Patentee after: BOMBARDIER NUG PROPULSION SYSTEM Co.,Ltd. Address before: Fenglin Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province, No. 68 213164 Patentee before: BOMBARDIER CPC PROPULSION SYSTEM Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 No. 199, Fenglin South Road, Wujin national high tech Industrial Development Zone, Wujin District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Xinyu Alstom Traction System Co.,Ltd. Address before: 213000 No. 199, Fenglin South Road, Wujin national high tech Industrial Development Zone, Wujin District, Changzhou City, Jiangsu Province Patentee before: BOMBARDIER NUG PROPULSION SYSTEM Co.,Ltd. |