CN104967249A - Traction motor transport protection device and traction motor transport protection method - Google Patents
Traction motor transport protection device and traction motor transport protection method Download PDFInfo
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- CN104967249A CN104967249A CN201510427855.7A CN201510427855A CN104967249A CN 104967249 A CN104967249 A CN 104967249A CN 201510427855 A CN201510427855 A CN 201510427855A CN 104967249 A CN104967249 A CN 104967249A
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Abstract
A traction motor transport protection device is characterized by comprising an upper bended arc assembly and a lower bended arc assembly, wherein the upper bended arc assembly and the lower bended arc assembly are both attached to the outer surface of a motor coupler; the upper bended arc assembly is detachably arranged on a motor end cover; the lower bended arc assembly is in abut connection with the upper bended arc assembly via connection bolts to clamp and surround the motor coupler between the upper bended arc assembly and the lower bended arc assembly. The traction motor transport protection device effectively protects a traction motor arranged on a rail vehicle during a rail vehicle delivery transport process, damages of a bearing at the transmission end during the transport process can be reduced, and normal running of the motor can be ensured. The invention also provides a traction motor transport protection method.
Description
Technical field
The present invention relates to traction electric machine transport protection device, to the motor be arranged on rail vehicle in track vehicles drive to making effectively to protect in the process of land used.The invention still further relates to traction electric machine transport protection method.
Background technology
In rail vehicle assembling, traction electric machine rotating shaft to be connected with the driven shaft on bogie by shaft coupling and to be arranged on rail vehicle by traction electric machine.After each several part of rail vehicle has been assembled, need that rail vehicle is transported to it from locomotive works and make land used, in the process of transporting, easily cause traction electric machine driving end damage of the bearing because road jolts, need the transport protection measure carrying out traction electric machine before track vehicle release.
Traction electric machine mainly comprises the parts such as rotor, Stator and electrical machine end cap, its rotor is made up of rotating shaft, rotor core and rotor windings, the interference of driving end bearing inner race is enclosed within rotating shaft, the outer ring of driving end bearing is fitted in motor-driven end bearing with end cover indoor, motor-driven end cap is bolted on stator, and rotating shaft is stretched out from motor-driven end cap.Rotating shaft external part is arranged on bogie by shaft coupling.Having assembled to be transported to after locomotive works at rail vehicle makes the process of land used, motor is in the state of shaking and jolting, and there is assembling play in bearing, stators and rotators in motor there will be asynchronous vibration in motor jolts process, cause the radial-play that stators and rotators is relative, extruding and impact driving end bearing, the inside and outside circle of driving end bearing extrudes impression, cause driving end damage of the bearing, affect the normal operation of motor.Rail vehicle usually needs after reaching and making land used to change the driving end bearing on traction electric machine.
Traction electric machine installs protector additional; avoid or reduce the asynchronous vibration of stators and rotators of motor in rail vehicle transport process; reduce the relative radial-play of stators and rotators; make stators and rotators synchronous vibration; reducing stators and rotators to the impact of driving end bearing and extruding, is the effective ways of protection driving end bearing.
Summary of the invention
Traction electric machine transport protection device of the present invention, effectively protects in track vehicle release transport process the traction electric machine be contained on rail vehicle, reduces the damage of driving end bearing in transportation, ensures the normal operation of motor.The present invention also provides traction electric machine transport protection method.
In order to achieve the above object, the technical solution used in the present invention is: traction electric machine transport protection device, it is characterized in that comprising Kazakhstan arc assembly and lower Kazakhstan arc assembly, described upper Kazakhstan arc assembly and lower Kazakhstan arc assembly are all fitted in the outer surface of motor coupler, described upper Kazakhstan arc assembly is dismountable to be arranged on electric motor end cap, and described lower Kazakhstan arc assembly to dock with upper Kazakhstan arc assembly motor coupler to encircle by connecting bolt and is clamped between upper conjunction arc assembly and lower Kazakhstan arc assembly.
Further, described upper Kazakhstan arc assembly comprises the internal diameter upper semi-circle segmental arc equal with motor coupler external diameter and is symmetricly set on the mounting rod at two ends, upper semi-circle segmental arc left and right, mounting rod along upper semi-circle segmental arc radial direction arrange, the end of described mounting rod has screw thread and installs through hole, it is corresponding with the fabrication hole on electric motor end cap excircle that described screw thread installs through hole, is bolted screw thread installation through hole and upper Kazakhstan arc assembly is fixed on electric motor end cap by fabrication hole.
Further, described lower Kazakhstan arc assembly comprises the lower half circle segmental arc connected with upper semi-circle segmental arc and the connecting rod being symmetricly set on two ends, lower half circle segmental arc left and right, described connecting rod is parallel with mounting rod, the end of described connecting rod has connecting through hole, described mounting rod has the through hole corresponding with connecting through hole with the position of through hole vertical alignment, and upper Kazakhstan arc assembly and lower Kazakhstan arc assembly dock through connecting through hole and through hole by described connecting bolt up and down to be encircled on motor coupler.
Further, described upper semi-circle segmental arc and lower half circle segmental arc inner surface all have supple buffer layer, and described supple buffer layer is close to motor coupler outer surface.
Further, described upper semi-circle segmental arc or lower half circle segmental arc have the puller bolt be disposed radially, screw the motor coupler of described puller bolt from the top down or from bottom to top described in pushing tow.
Further, described puller bolt is arranged in lower half circle segmental arc, and the termination that holds out against of described puller bolt contacts with the supple buffer layer of lower half circle segmental arc inner surface, screws puller bolt extruding supple buffer layer and pushing tow motor coupler from bottom to top.
Further, the quantity of described puller bolt is two or more and spaced apart along described lower half circle segmental arc circumference.
Traction electric machine transport protection method, adopt above-described traction electric machine transport protection device, step is as follows:
(1) according to motor coupler outside dimension in traction electric machine, process Kazakhstan arc assembly and lower Kazakhstan arc assembly, make Kazakhstan arc assembly and the docking of lower Kazakhstan arc assembly can surround motor coupler;
(2) upper Kazakhstan arc assembly is combined in the outer surface of motor coupler, and upper Kazakhstan arc assembly disassembling is contained on electric motor end cap;
(3) by the outer surface of lower Kazakhstan arc component joint at motor coupler, docked by lower Kazakhstan arc assembly by connecting bolt with upper Kazakhstan arc assembly, motor coupler is encircled to be clamped between upper Kazakhstan arc assembly and lower Kazakhstan arc assembly.
Further, " by being contained on electric motor end cap of upper Kazakhstan arc assembly disassembling " described in step (two) refers to the fabrication hole on the installation screwed hole of the mounting rod end in the arc assembly of upper Kazakhstan and electric motor end cap excircle to be bolted and is arranged on electric motor end cap by upper Kazakhstan arc assembly.
Further, step (three) specifically walks to gather and is:
(3 1), by the outer surface of lower Kazakhstan component joint at motor coupler, make lower half circle segmental arc and upper semi-circle segmental arc butt joint ring embrace motor coupler;
Lower Kazakhstan arc assembly is connected with upper Kazakhstan arc assembly with connecting through hole through through hole by (three or two) connecting bolt, and supple buffer layer is attached on the outer surface of motor coupler;
(three or three) screw the supple buffer layer of puller bolt extruding lower half circle segmental arc inner surface in lower half circle segmental arc and upwards pushing tow motor coupler, and Electricity Federation axial organ is clamped between two supple buffer layer.
Motor coupler is encircled clamping by the upper Kazakhstan arc assembly in traction electric machine transport protection device of the present invention and the docking of lower Kazakhstan arc assembly, be about to and rotor, the motor coupler affixed with the rotating shaft in rotor is fixedly connected with traction electric machine transport protection device of the present invention, moreover on the dismountable mounted motor end cap of upper Kazakhstan arc assembly, be fixedly connected with by traction electric machine transport protection device of the present invention and the stator fixing with electric motor end cap, rotor and stator are all fixedly connected with traction electric machine transport protection device of the present invention, when traction electric machine is in the state of shaking and jolting, rotor, stator and traction electric machine transport protection device of the present invention synchronous vibration, relative radial-play between rotor and stator significantly weakens, the impact of the driving end bearing be sleeved in rotating shaft and extruding are greatly reduced, effectively protect driving end bearing, reality is to the effective protection of the traction electric machine be contained on rail vehicle in track vehicle release transport process, reduce the damage of driving end bearing in transport process, ensure the normal operation of motor.
Adopt traction electric machine transport protection method of the present invention, real synchronous vibration of drawing dynamo-electric rotor and stator be in the state of shaking and jolting at traction electric machine under, reduce stators and rotators to the impact of driving end bearing and extruding, the damage of driving end bearing in transport process can be reduced, in track vehicle release transport process, the traction electric machine be contained on rail vehicle is effectively protected.
Accompanying drawing explanation
Fig. 1 motor coupler is contained in the structural representation stretched out in the rotating shaft of electric motor end cap.
Fig. 2 traction electric machine transport protection of the present invention device is arranged on the perspective view on electric motor end cap and motor coupler.
Fig. 3 is the planar structure schematic diagram that traction electric machine transport protection device of the present invention is arranged on electric motor end cap and motor coupler.
Fig. 4 is the structural representation of upper Kazakhstan arc assembly.
Fig. 5 is the structural representation of lower Kazakhstan arc assembly.
Embodiment
Be illustrated in figure 1 motor coupler in prior art and be contained in the structural representation stretched out in the rotating shaft of electric motor end cap, the embodiment of composition graphs 2 to Fig. 5 to traction electric machine transport protection device of the present invention is described in detail.
As shown in the figure, traction electric machine transport protection device, comprise Kazakhstan arc assembly 1 and lower Kazakhstan arc assembly 2, described upper Kazakhstan arc assembly 1 comprises the internal diameter upper semi-circle segmental arc equal with motor coupler 3 external diameter 11 and is symmetricly set on the mounting rod 12 at upper semi-circle segmental arc about 11 two ends, mounting rod 12 along upper semi-circle segmental arc 11 radial direction arrange, the end of described mounting rod 12 has screw thread and installs through hole 13, it is corresponding with the fabrication hole 41 on electric motor end cap 4 excircle that described screw thread installs through hole 13, be bolted screw thread through hole 13 and fabrication hole 41 to be installed upper Kazakhstan arc assembly 1 is fixed on electric motor end cap 3.Use existing fabrication hole 41 on electric motor end cap 4, with screw thread, through hole 13 is installed to be connected, raising is breathed out the mounting or dismounting efficiency of arc assembly 1.Described lower Kazakhstan arc assembly 2 comprises the lower half circle segmental arc 21 connected with upper semi-circle segmental arc 11 and the connecting rod 22 being symmetricly set on lower half circle segmental arc about 21 two ends, described connecting rod 22 is parallel with mounting rod 12, the end of described connecting rod 22 has connecting through hole 23, described mounting rod 12 has the through hole 14 corresponding with connecting through hole 23 with the position of through hole 23 vertical alignment, and upper Kazakhstan arc assembly 1 and the docking of lower Kazakhstan arc assembly about 2 are encircled on motor coupler 3 through connecting through hole 23 and through hole 14 by described connecting bolt 5.
Described upper semi-circle segmental arc 11 and lower half circle segmental arc 21 inner surface all have supple buffer layer 11-21, described supple buffer layer 11-21 is close to motor coupler 3 outer surface, play the effect reducing motor coupler 3 and vibrate, reduce rotor and the relative radial-play between stator.
Described lower half circle segmental arc 21 has two puller bolts be disposed radially 6, two puller bolts 6 are spaced apart along described lower half circle segmental arc 21 circumference, the termination that holds out against of puller bolt 6 contacts with the supple buffer layer 11-21 of lower half circle segmental arc inner surface, screw puller bolt 6 and extrude supple buffer layer 11-21 and pushing tow motor coupler 3 from bottom to top, further clamping motor shaft coupling 3, reduce motor shaft coupling 3 relative to the vibration between upper Kazakhstan arc assembly 1 and lower Kazakhstan arc assembly 2, thus reduce rotor and the relative radial-play between stator.
In above-described traction electric machine transport protection device, upper Kazakhstan arc assembly 1 and lower Kazakhstan arc assembly 2 are docked by connecting bolt 5 and motor coupler 3 ring are encircled clamping, by rotor, the motor coupler 3 solid with the rotating shaft in rotor is fixedly connected with above-mentioned traction electric machine transport protection device three, moreover, upper Kazakhstan arc assembly 1 is contained in the fabrication hole 41 of electric motor end cap 4 excircle by bolt, be fixedly connected with by above-mentioned traction electric machine transport protection device and the stator fixing with electric motor end cap, when traction electric machine is in the state of shaking and jolting, rotor, stator and above-mentioned traction electric machine transport protection device can real synchronous vibrations, rotor is significantly weakened to play with the relative play of stator, the impact of the driving end bearing be sleeved in rotating shaft and extruding are greatly reduced, effectively protect driving end bearing, reality is to the effective protection of the traction electric machine be contained on rail vehicle in track vehicle release transport process, reduce the damage of driving end bearing in transport process, ensure the normal operation of motor.
Traction electric machine transport protection method, adopt above-described traction electric machine transport protection device, step is as follows:
(1) according to motor coupler in traction electric machine 3 outside dimension, process Kazakhstan arc assembly 1 and lower Kazakhstan arc assembly 2, make Kazakhstan arc assembly 1 and the docking of lower Kazakhstan arc assembly 2 can surround motor coupler 3;
(2) upper Kazakhstan arc assembly 1 is fitted in the outer surface of motor coupler 3, and the installation screwed hole 13 of mounting rod 12 end in upper Kazakhstan arc assembly 1 is bolted with the fabrication hole 41 on electric motor end cap 4 excircle upper Kazakhstan arc assembly 1 is arranged on electric motor end cap 4;
(3) lower Kazakhstan assembly 2 is fitted in the outer surface of motor coupler 3, makes lower half circle segmental arc 21 and upper semi-circle segmental arc 1 butt joint ring embrace motor coupler 3; Lower Kazakhstan arc assembly 2 is connected with upper Kazakhstan arc assembly 1 with connecting through hole 23 through through hole 14 by connecting bolt 5, and supple buffer layer 11-21 is attached on the outer surface of motor coupler 3; The puller bolt 6 screwed in lower half circle segmental arc 21 extrudes the supple buffer layer 11-21 of lower half circle segmental arc 21 inner surface and upwards pushing tow motor coupler 3, and Electricity Federation axial organ 3 is clamped between two supple buffer layer 11-21.
Adopt above-described traction electric machine transport protection method, real synchronous vibration of drawing dynamo-electric rotor and stator be in the state of shaking and jolting at traction electric machine under, reduce stators and rotators to the impact of driving end bearing and extruding, the damage of driving end bearing in transport process can be reduced, in track vehicle release transport process, the traction electric machine be contained on rail vehicle is effectively protected.
Below by reference to the accompanying drawings complete description is carried out to the technical scheme of embodiments of the invention, it should be noted that described embodiment is only a part of embodiment of the present invention.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Claims (10)
1. traction electric machine transport protection device, it is characterized in that comprising Kazakhstan arc assembly (1) and lower Kazakhstan arc assembly (2), described upper Kazakhstan arc assembly (1) and lower Kazakhstan arc assembly (2) are all fitted in the outer surface of motor coupler (3), described upper Kazakhstan arc assembly (1) is dismountable to be arranged on electric motor end cap (4), and described lower Kazakhstan arc assembly (2) to be docked with upper Kazakhstan arc assembly (1) motor coupler (3) to encircle by connecting bolt (5) and is clamped between upper conjunction arc assembly (1) and lower Kazakhstan arc assembly (2).
2. traction electric machine transport protection device according to claim 1, it is characterized in that described upper Kazakhstan arc assembly (1) comprises the internal diameter upper semi-circle segmental arc (11) equal with motor coupler (3) external diameter and is symmetricly set on the mounting rod (12) at upper semi-circle segmental arc (11) two ends, left and right, described mounting rod (12) is arranged along upper semi-circle segmental arc (11) radial direction, the end of described mounting rod (12) has screw thread and installs through hole (13), it is corresponding with the fabrication hole (41) on electric motor end cap (4) excircle that described screw thread installs through hole (13), be bolted screw thread install through hole (13) and fabrication hole (41) upper Kazakhstan arc assembly (1) is fixed on electric motor end cap (3).
3. traction electric machine transport protection device according to claim 2, it is characterized in that described lower Kazakhstan arc assembly (2) comprises the lower half circle segmental arc (21) connected with upper semi-circle segmental arc (11) and the connecting rod (22) being symmetricly set on lower half circle segmental arc (21) two ends, left and right, described connecting rod (22) is parallel with mounting rod (12), the end of described connecting rod (22) has connecting through hole (23), described mounting rod (12) and the position of through hole (23) vertical alignment have the through hole (14) corresponding with connecting through hole (23), upper Kazakhstan arc assembly (1) and lower Kazakhstan arc assembly (2) to be docked through connecting through hole (23) and through hole (14) by described connecting bolt (5) up and down encircles on motor coupler (3).
4. traction electric machine transport protection device according to claim 3, it is characterized in that described upper semi-circle segmental arc (11) and lower half circle segmental arc (21) inner surface all have supple buffer layer (11-21), described supple buffer layer (11-21) is close to motor coupler (3) outer surface.
5. traction electric machine transport protection device according to claim 4, it is characterized in that there is the puller bolt (6) be disposed radially in described upper semi-circle segmental arc (11) or lower half circle segmental arc (21), screw described puller bolt (6) motor coupler from the top down or from bottom to top described in pushing tow (3).
6. traction electric machine transport protection device according to claim 5, it is characterized in that described puller bolt (6) is arranged in lower half circle segmental arc (21), the termination that holds out against of described puller bolt (6) contacts with the supple buffer layer (11-21) of lower half circle segmental arc inner surface, screws puller bolt (6) extruding supple buffer layer (11-21) and pushing tow motor coupler (3) from bottom to top.
7. traction electric machine transport protection device according to claim 6, it is characterized in that the quantity of described puller bolt (6) be two or more and along described lower half circle segmental arc (21) circumference spaced apart.
8. traction electric machine transport protection method, it is characterized in that adopting claim 1 to traction electric machine transport protection device according to claim 7, step is as follows:
(1) according to motor coupler in traction electric machine (3) outside dimension, process Kazakhstan arc assembly (1) and lower Kazakhstan arc assembly (2), make Kazakhstan arc assembly (1) and the docking of lower Kazakhstan arc assembly (2) that motor coupler (3) can be surrounded;
Upper Kazakhstan arc assembly (1) is fitted in the outer surface of motor coupler (3), and upper Kazakhstan arc assembly (1) disassembling is contained on electric motor end cap (4);
Lower Kazakhstan arc assembly (2) is fitted in the outer surface of motor coupler (3), lower Kazakhstan arc assembly (2) docked with upper Kazakhstan arc assembly (1) by connecting bolt (5), motor coupler (3) is encircled to be clamped between upper Kazakhstan arc assembly (1) and lower Kazakhstan arc assembly (2).
9. traction electric machine transport protection method according to claim 8, is characterized in that " by being contained on electric motor end cap (4) of upper Kazakhstan arc assembly (1) disassembling " described in step (two) refers to the fabrication hole (41) on the installation screwed hole (13) of mounting rod (12) end in upper Kazakhstan arc assembly (1) and electric motor end cap (4) excircle to be bolted and upper Kazakhstan arc assembly (1) is arranged on electric motor end cap (4).
10. traction electric machine transport protection method according to claim 9, it is characterized in that step (three) specifically walks to gather is:
Lower Kazakhstan assembly (2) is fitted in the outer surface of motor coupler (3) by (3 1), makes lower half circle segmental arc (21) and upper semi-circle segmental arc (11) butt joint ring embrace motor coupler (3);
Lower Kazakhstan arc assembly (2) is connected with upper Kazakhstan arc assembly (1) with connecting through hole (23) through through hole (14) by (three or two) connecting bolt (5), and supple buffer layer (11-21) is attached on the outer surface of motor coupler (3);
(three or three) screw the supple buffer layer (11-21) of puller bolt (6) extruding lower half circle segmental arc (21) inner surface in lower half circle segmental arc (21) and upwards pushing tow motor coupler (3), and Electricity Federation axial organ (3) is clamped between two supple buffer layer (11-21).
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| CN201510427855.7A CN104967249B (en) | 2015-07-21 | 2015-07-21 | Traction electric machine transport protection device and traction electric machine transport protection method |
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| CN201510427855.7A CN104967249B (en) | 2015-07-21 | 2015-07-21 | Traction electric machine transport protection device and traction electric machine transport protection method |
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Cited By (6)
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| CN108689015A (en) * | 2018-04-24 | 2018-10-23 | 南京海传燕兰轨道交通科技有限公司 | A kind of traction electric machine pallet with locked rotor protection |
| CN108689016A (en) * | 2018-04-24 | 2018-10-23 | 南京海传燕兰轨道交通科技有限公司 | A kind of high protection traction electric machine pallet |
| CN111509896A (en) * | 2020-06-05 | 2020-08-07 | 中车株洲电机有限公司 | Traction motor transportation locking device |
| CN111520411A (en) * | 2020-04-28 | 2020-08-11 | 西安中车永电捷力风能有限公司 | Bearing protection tool for motor transportation |
| CN112713726A (en) * | 2020-12-25 | 2021-04-27 | 中车永济电机有限公司 | Traction motor bearing transportation protection tool with shaft extension |
| DE102020124151A1 (en) | 2020-09-16 | 2022-03-17 | Schaeffler Technologies AG & Co. KG | Electrical machine and method for manufacturing and assembling an electrical machine |
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