CN111404315A - Shaft device of traction motor - Google Patents
Shaft device of traction motor Download PDFInfo
- Publication number
- CN111404315A CN111404315A CN202010219371.4A CN202010219371A CN111404315A CN 111404315 A CN111404315 A CN 111404315A CN 202010219371 A CN202010219371 A CN 202010219371A CN 111404315 A CN111404315 A CN 111404315A
- Authority
- CN
- China
- Prior art keywords
- shaft
- positioning
- shoulder
- hole
- traction motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
Abstract
A shaft device of a traction motor comprises a columnar shaft body, a columnar connecting column, a stop port, a first through port, a screw rod, a first shaft shoulder, a shaft end, a connecting head, a second through port, a positioning port, a protrusion, a plug port, a second shaft shoulder, a positioning plate, a plug board for positioning, an opening, a connecting port and a screw nut, wherein the first shaft shoulder is arranged at one end of the shaft body, the positioning plate is arranged at one end of the first shaft shoulder farther away from the shaft body, the connecting column is fixedly connected to two ends of the shaft body, an integral framework formed by punching is arranged between the shaft body and the connecting column, and the first through port is arranged on the central line of the connecting column. The defect that the shaft body is not beneficial to executing replacement, the total transverse span of the rotating shaft cannot be expanded, the shaft body and the shaft shoulder are not beneficial to being applied under different requirements, the shaft body and the shaft shoulder are frequently subjected to radian dislocation when being pulled, and the rotating shaft of the traction motor is not beneficial to executing repair after being damaged in the prior art is effectively overcome.
Description
Technical Field
The invention relates to the technical field of traction motors, in particular to a shaft device of a traction motor.
Background
The traction motor is used on a rail electric locomotive, an industrial and mining electric locomotive, an electric transmission internal combustion locomotive and various electric vehicles (such as a storage battery vehicle, an urban electric vehicle and an underground railway electric vehicle). When the rotating shaft of the traction motor runs, the running standard is not low, and the traction motor can run under the condition of severe temperature change, so that the rotating shaft has the standard of not low against frequent temperature fluctuation and rigidity, and after the monitoring is carried out in the field, the rotating shaft of the traction motor is constructed to meet the application standard.
The shaft of the traction motor is generally operated via a shaft body, is connected via a shoulder and a pivot bearing, and is connected to an external traction device via a coupling.
The type and the number of the rotating shafts of the traction motor which can be expanded by the existing applied transverse span are large, however, the rotating shafts of the traction motor which can be expanded by the vast majority of transverse spans have the following defects:
the shaft body is not beneficial to execution of replacement, the total transverse span of the rotating shaft cannot be expanded, the rotating shaft is not beneficial to application under different requirements, in addition, when the rotating shaft is applied, the shaft body and the shaft shoulder are not integrated structures, when the rotating shaft is pulled, radian malposition often occurs mutually, in addition, the rotating shaft of the traction motor integrated structures is not beneficial to execution of repair after damage, and therefore innovation needs to be executed on the rotating shaft of the traction motor capable of executing expansion on the current transverse span.
Disclosure of Invention
In order to solve the problems, the invention provides a shaft device of a traction motor, which effectively overcomes the defects that the shaft body is not beneficial to replacing, the total transverse span of a rotating shaft cannot be expanded, the shaft body and a shaft shoulder are not beneficial to being applied under different requirements, the shaft body and the shaft shoulder are often subjected to radian dislocation during traction, and the rotating shaft of the traction motor is not beneficial to being repaired after being damaged in the prior art.
In order to overcome the defects in the prior art, the invention provides a solution for a shaft device of a traction motor, which comprises the following specific steps:
a shaft device of a traction motor comprises a cylindrical shaft body 2, a cylindrical connecting column 3, a stop opening 4, a first through opening 5, a screw rod 6, a first shaft shoulder 7, a shaft end 8, a connecting head 9, a second through opening 10, a positioning opening 21, a protrusion 22, a plug opening 23, a second shaft shoulder 24, a positioning plate 25, a plug plate 26 for positioning, an opening 27, a connecting opening 28 and a nut 29, wherein the first shaft shoulder 7 is arranged at one end of the shaft body 2, the positioning plate 25 is arranged at one end of the first shaft shoulder 7 which is farther away from the shaft body 2,
the two ends of the shaft body 2 are fixedly connected with the connecting columns 3, an integral framework formed by stamping is arranged between the shaft body 2 and the connecting columns 3, and the central line of each connecting column 3 is provided with a through opening I5.
The number of the connecting columns 3 is one pair, the connecting columns 3 form a mirror image structure relative to the central line of the shaft body 2, the shaft body 2 is connected with the first shaft shoulder 7 and the second shaft shoulder 24 through the connecting columns 3, so that the shaft body 2, the first shaft shoulder 7 and the second shaft shoulder 24 form a complete rotating shaft of the traction motor, stop openings 4 are formed in two sides of the connecting columns 3, a through opening I5 is formed in one end, farther away from the shaft body 2, of the connecting column 3, and one end, close to the through opening I5, of the connecting column 3 is fixedly connected with a screw rod 6.
The shaft end 8 is fixedly connected to one end of the first shaft shoulder 7 which is farther from the shaft body 2, the side wall of the shaft end 8 is provided with a connecting head 9, a through opening II 10 is formed in the connecting head 9, a positioning opening 21 is formed in the first shaft shoulder 7, a positioning opening 21 is formed in the middle of the first shaft shoulder 7, and the diameter of the positioning opening 21 is consistent with the diameter of the connecting column 3.
The first shaft shoulder 7 and the connecting column 3 form an decomposable structure through the positioning opening 21, the connecting column 3 is inserted into the positioning opening 21, initial connection between the shaft body 2 and the first shaft shoulder 7 is achieved, the inner surface of the positioning opening 21 is fixedly connected with the protrusion 22, the end of the first shaft shoulder 7 farther away from the shaft body 2 is internally provided with the insertion opening 23, the end of the shaft body 2 farther away from the first shaft shoulder 7 is provided with the second shaft shoulder 24, and the side wall of the second through opening 10 is provided with the first through opening 5.
The aperture of the second through hole 10 is the same as the diameter of the first through hole 5, the midpoint of the second through hole 10 and the midpoint of the first through hole 5 are on a line segment, when the shaft device of the traction motor is stabilized through the second through hole 10, external equipment to be pulled can be stabilized through the first through hole 5 by the first through hole 10 to stabilize the synchronization of the first shaft shoulder 7, and the shaft body 2 is fixed in an identical radian through the first through hole 5, the inner surface of the positioning hole 21 is provided with the connecting column 3, and the outer surface of the protrusion 22 is provided with the stop hole 4.
The positioning plate 25 is assembled in the positioning opening 21, the span in one end of the positioning opening 21 is consistent with the diameter of the positioning plate 25, the positioning plate 25 and the first shaft shoulder 7 form a plug-in framework through the positioning opening 21, the diameter of the connecting opening 28 arranged on the positioning plate 25 is smaller than that of the connecting column 3, and the positioning plate 25 is respectively attached to the plug-in opening 23 and the protrusion 22 through the plug-in plate 26 and the opening 27 for positioning through the introduction of the positioning plate 25.
The two sides of the positioning plate 25 are fixedly connected with inserting plates 26 for positioning, the other two sides of the positioning plate 25 are provided with openings 27, the middle position of the positioning plate 25 is provided with a connecting port 28, one end of a screw rod 6 longitudinally penetrates through the inside of the connecting port 28, the outer surface of the screw rod 6 is connected with a nut 29, the nut 29 is in threaded connection with the screw rod 6, the diameter of the screw rod 6 is smaller than that of the connecting port 28, one side of the nut 29 is not higher than the side wall of the shaft end 8, the position between the shaft body 2 and the first shaft shoulder 7 is stable through the connection between the nut 29 and the screw rod 6, the nut 29 is assembled inside the positioning port 21, the outer surface of the inserting plate 26 for positioning is provided with an inserting port 23, and one end of the protrusion 22 is arranged inside the opening 27.
When the shaft device of the traction motor as the rotating shaft of the traction motor with the expandable lateral span is used, the shaft body 2 with the proper lateral span is adopted according to the different operation conditions of the shaft device of the initial traction motor, the lateral span of the shaft device of the traction motor can be changed, and after the corresponding shaft body 2 is determined to be adopted, the connecting columns 3 arranged at the two ends of the shaft body 2 respectively extend into the positioning openings 21 arranged on the first shaft shoulder 7 and the second shaft shoulder 24, the shaft body 2 is assembled between the first shaft shoulder 7 and the second shaft shoulder 24, then the positioning plate 25 is inserted into the positioning opening 21, the screw rod 6 arranged on the shaft body 2 is fixedly connected with the screw nut 29 through the coupling opening 28, and therefore the assembly of the shaft device of the traction motor is finished, and through the introduction of the positioning plate 25, the positioning plate 25 is respectively attached to the socket 23 and the protrusion 22 through the socket plate 26 and the opening 27 for positioning.
After the shaft device of the traction motor is assembled, the shaft device of the traction motor is connected with an external traction device through a shaft end 8 through a through opening two 10 and a through opening one 5 arranged on a coupling head 9, radian fixation is performed between the shaft body 2 and a shaft shoulder one 7 through a stop opening 4 and a protrusion 22, when the external traction device operates and drives the shaft shoulder one 7, the shaft body 2 can be synchronously subjected to traction, and when parts of the shaft device of the traction motor are damaged, a screw 29 is separated from a screw rod 6 through rotating the screw 29, so that the shaft body 2 is separated from the shaft shoulder one 7 and the shaft shoulder two 24, in addition, a positioning plate 25 arranged in the positioning opening 21 can be taken out, and the shaft device of the traction motor is disassembled.
The invention has the beneficial effects that:
when the shaft device of the traction motor as the rotating shaft of the traction motor with the expandable transverse span is used, the shaft device of the initial traction motor is used in different operating conditions, the shaft body 2 with the proper transverse span is adopted, the transverse span of the shaft device of the traction motor can be changed, after the corresponding shaft body 2 is determined to be adopted, the connecting columns 3 arranged at the two ends of the shaft body 2 respectively extend into the positioning openings 21 arranged on the first shaft shoulder 7 and the second shaft shoulder 24, the shaft body 2 is assembled between the first shaft shoulder 7 and the second shaft shoulder 24, then the positioning plate 25 is inserted into the positioning opening 21, the screw rod 6 arranged on the shaft body 2 is fixedly connected with the screw nut 29 through the coupling opening 28, and therefore the assembly of the shaft device of the traction motor is finished, and through the introduction of the positioning plate 25, the positioning plate 25 is respectively attached to the socket 23 and the protrusion 22 through the socket plate 26 and the opening 27 for positioning. Thereby preventing the first shoulder 7 from rotating to separate the screw rod 6 from the nut 29, and stabilizing the connection among the shaft body 2, the first shoulder 7 and the second shoulder 24. After the assembly of the shaft device of the traction motor is finished, the shaft device of the traction motor is connected with an external traction device through a shaft end 8 through a through hole two 10 and a through hole one 5 arranged on a coupling head 9, because the radian fixation is performed between the shaft body 2 and the shaft shoulder one 7 through a stop hole 4 and a protrusion 22, when the external traction device operates and drives the shaft shoulder one 7, the shaft body 2 is synchronously subjected to traction, the radian dislocation cannot occur between the shaft body 2 and the shaft shoulder one 7, which is not beneficial to the application of the shaft device of the traction motor, when some parts of the shaft device of the traction motor are damaged, the screw 29 and the screw rod 6 are separated through rotating the screw 29, so that the shaft body 2 is separated from the shaft shoulder one 7 and the shaft shoulder two 24, in addition, the positioning plate 25 arranged in the positioning hole 21 can be taken out, the decomposition of the shaft device of the traction motor is achieved, and the replacement of the damaged part of the shaft device of the traction motor is favorably performed, the repair cost is reduced.
Drawings
Fig. 1 is a front half view of a shaft arrangement of the traction motor of the present invention.
Fig. 2 is an edge half view of the shaft assembly of the traction motor of the present invention.
Fig. 3 is a partial cross-sectional view of the shaft assembly of the traction motor of the present invention.
Fig. 4 is a partial configuration diagram of the shaft body of the present invention.
FIG. 5 is a partial cross-sectional view of the shoulder of the present invention.
Figure 6 is a partial plan view of the alignment plate of the present invention.
Figure 7 is a partial schematic view of a locating plate of the present invention.
Detailed Description
The invention will be further described with reference to the following figures and examples.
Example 1:
as shown in fig. 1 to 7, the shaft device of the traction motor includes a cylindrical shaft body 2, a cylindrical coupling post 3, a stop opening 4, a first through opening 5, a screw rod 6, a first shoulder 7, a shaft end 8, a coupling head 9, a second through opening 10, a positioning opening 21, a protrusion 22, a socket 23, a second shoulder 24, a positioning plate 25, a socket plate 26 for positioning, an opening 27, a coupling opening 28 and a nut 29, wherein the first shoulder 7 is disposed at one end of the shaft body 2, the positioning plate 25 is disposed inside one end of the first shoulder 7 farther from the shaft body 2, the two ends of the shaft body 2 are fixedly connected to the coupling post 3, an integral framework formed by stamping is disposed between the shaft body 2 and the coupling post 3, and the first through opening 5 is disposed on a center line of the coupling post 3. The number of the connecting columns 3 is one pair, the connecting columns 3 form a mirror image structure relative to the central line of the shaft body 2, the shaft body 2 is connected with the first shaft shoulder 7 and the second shaft shoulder 24 through the connecting columns 3, so that the shaft body 2, the first shaft shoulder 7 and the second shaft shoulder 24 form a complete rotating shaft of the traction motor, stop openings 4 are formed in two sides of the connecting columns 3, a through opening I5 is formed in one end, farther away from the shaft body 2, of the connecting column 3, and one end, close to the through opening I5, of the connecting column 3 is fixedly connected with a screw rod 6. The shaft end 8 is fixedly connected to one end of the first shaft shoulder 7 which is farther from the shaft body 2, the side wall of the shaft end 8 is provided with a connecting head 9, a through opening II 10 is formed in the connecting head 9, a positioning opening 21 is formed in the first shaft shoulder 7, a positioning opening 21 is formed in the middle of the first shaft shoulder 7, and the diameter of the positioning opening 21 is consistent with the diameter of the connecting column 3. The shaft shoulder I7 and the connecting column 3 form an decomposable framework through the positioning opening 21, the connecting column 3 is inserted into the positioning opening 21, initial connection between the shaft body 2 and the shaft shoulder I7 is achieved, decomposition and assembly of a shaft device of the traction motor are facilitated, damaged parts are replaced, the protrusion 22 is fixedly connected to the inner surface of the positioning opening 21, the end, farther away from the shaft body 2, of the shaft shoulder I7 is internally provided with the insertion opening 23, the end, farther away from the shaft shoulder I7, of the shaft body 2 is provided with the shaft shoulder II 24, and the side wall of the through opening II 10 is provided with the through opening I5. The aperture of the second through hole 10 is the same as the diameter of the first through hole 5, the midpoint of the second through hole 10 and the midpoint of the first through hole 5 are on a line segment, when the shaft device of the traction motor is stabilized through the second through hole 10, external equipment to be pulled can be stabilized through the first through hole 5 by the first through hole 10 to stabilize the synchronization of the first shaft shoulder 7, and the shaft body 2 is fixed in an identical radian through the first through hole 5, the inner surface of the positioning hole 21 is provided with the connecting column 3, and the outer surface of the protrusion 22 is provided with the stop hole 4. The positioning plate 25 is assembled in the positioning hole 21, the span in one end of the positioning hole 21 is consistent with the diameter of the positioning plate 25, the positioning plate 25 and the first shaft shoulder 7 form a plug-in framework through the positioning hole 21, the diameter of the connecting hole 28 formed in the positioning plate 25 is smaller than that of the connecting column 3, and the positioning plate 25 is led in through the positioning plate 25, so that the positioning plate 25 is respectively attached to the plug-in hole 23 and the protrusion 22 through the plug-in plate 26 and the opening 27 used for positioning, the first shaft shoulder 7 is prevented from rotating to separate the screw rod 6 from the screw nut 29, the connection between the shaft body 2 and the first shaft shoulder 7 and the second shaft shoulder 24 is stabilized, and the positioning plate 25 is favorably replaced.
Example 2:
as shown in fig. 1 to 7, the shaft device of the traction motor includes a cylindrical shaft body 2, a cylindrical coupling post 3, a stop opening 4, a first through opening 5, a screw rod 6, a first shoulder 7, a shaft end 8, a coupling head 9, a second through opening 10, a positioning opening 21, a protrusion 22, a socket 23, a second shoulder 24, a positioning plate 25, a socket plate 26 for positioning, an opening 27, a coupling opening 28 and a nut 29, wherein the first shoulder 7 is disposed at one end of the shaft body 2, the positioning plate 25 is disposed inside one end of the first shoulder 7 farther from the shaft body 2, the two ends of the shaft body 2 are fixedly connected to the coupling post 3, an integral framework formed by stamping is disposed between the shaft body 2 and the coupling post 3, and the first through opening 5 is disposed on a center line of the coupling post 3. The number of the connecting columns 3 is one pair, the connecting columns 3 form a mirror image structure relative to the central line of the shaft body 2, the shaft body 2 is connected with the first shaft shoulder 7 and the second shaft shoulder 24 through the connecting columns 3, so that the shaft body 2, the first shaft shoulder 7 and the second shaft shoulder 24 form a complete rotating shaft of the traction motor, stop openings 4 are formed in two sides of the connecting columns 3, a through opening I5 is formed in one end, farther away from the shaft body 2, of the connecting column 3, and one end, close to the through opening I5, of the connecting column 3 is fixedly connected with a screw rod 6. The shaft end 8 is fixedly connected to one end of the first shaft shoulder 7 which is farther from the shaft body 2, the side wall of the shaft end 8 is provided with a connecting head 9, a through opening II 10 is formed in the connecting head 9, a positioning opening 21 is formed in the first shaft shoulder 7, a positioning opening 21 is formed in the middle of the first shaft shoulder 7, and the diameter of the positioning opening 21 is consistent with the diameter of the connecting column 3. The shaft shoulder I7 and the connecting column 3 form an decomposable framework through the positioning opening 21, the connecting column 3 is inserted into the positioning opening 21, initial connection between the shaft body 2 and the shaft shoulder I7 is achieved, decomposition and assembly of a shaft device of the traction motor are facilitated, damaged parts are replaced, the protrusion 22 is fixedly connected to the inner surface of the positioning opening 21, the end, farther away from the shaft body 2, of the shaft shoulder I7 is internally provided with the insertion opening 23, the end, farther away from the shaft shoulder I7, of the shaft body 2 is provided with the shaft shoulder II 24, and the side wall of the through opening II 10 is provided with the through opening I5. The aperture of the second through hole 10 is the same as the diameter of the first through hole 5, the midpoint of the second through hole 10 and the midpoint of the first through hole 5 are on a line segment, when the shaft device of the traction motor is stabilized through the second through hole 10, external equipment to be pulled can be stabilized through the first through hole 5 by the first through hole 10 to stabilize the synchronization of the first shaft shoulder 7, and the shaft body 2 is fixed in an identical radian through the first through hole 5, the inner surface of the positioning hole 21 is provided with the connecting column 3, and the outer surface of the protrusion 22 is provided with the stop hole 4. The positioning plate 25 is assembled in the positioning hole 21, the span in one end of the positioning hole 21 is consistent with the diameter of the positioning plate 25, the positioning plate 25 and the first shaft shoulder 7 form a plug-in framework through the positioning hole 21, the diameter of the connecting hole 28 formed in the positioning plate 25 is smaller than that of the connecting column 3, and the positioning plate 25 is led in through the positioning plate 25, so that the positioning plate 25 is respectively attached to the plug-in hole 23 and the protrusion 22 through the plug-in plate 26 and the opening 27 used for positioning, the first shaft shoulder 7 is prevented from rotating to separate the screw rod 6 from the screw nut 29, the connection between the shaft body 2 and the first shaft shoulder 7 and the second shaft shoulder 24 is stabilized, and the positioning plate 25 is favorably replaced. Two sides of the positioning plate 25 are fixedly connected with inserting plates 26 for positioning, the other two sides of the positioning plate 25 are provided with openings 27, a connecting port 28 is arranged in the middle of the positioning plate 25, one end of the screw rod 6 longitudinally penetrates through the connecting port 28, the outer surface of the screw rod 6 is connected with a nut 29, the nut 29 is in threaded connection with the screw rod 6, the diameter of the screw rod 6 is lower than that of the coupling port 28, one side of the screw nut 29 is not higher than the side wall of the shaft end 8, through the connection between the nut 29 and the screw rod 6, the place between the shaft body 2 and the first shaft shoulder 7 is stable, in addition, the introduction of the nut 29, which is detrimental to the coupling of the shaft end 8 to the external traction device, the nut 29 is arranged in the positioning opening 21, the outer surface of the inserting plate 26 for positioning is provided with an inserting opening 23, and one end of the protrusion 22 is arranged in the opening 27.
Example 3:
as shown in fig. 1 to 7, the shaft device of the traction motor includes a cylindrical shaft body 2, a cylindrical coupling post 3, a stop opening 4, a first through opening 5, a screw rod 6, a first shoulder 7, a shaft end 8, a coupling head 9, a second through opening 10, a positioning opening 21, a protrusion 22, a socket 23, a second shoulder 24, a positioning plate 25, a socket plate 26 for positioning, an opening 27, a coupling opening 28 and a nut 29, wherein the first shoulder 7 is disposed at one end of the shaft body 2, the positioning plate 25 is disposed inside one end of the first shoulder 7 farther from the shaft body 2, the two ends of the shaft body 2 are fixedly connected to the coupling post 3, an integral framework formed by stamping is disposed between the shaft body 2 and the coupling post 3, and the first through opening 5 is disposed on a center line of the coupling post 3. The number of the connecting columns 3 is one pair, the connecting columns 3 form a mirror image structure relative to the central line of the shaft body 2, the shaft body 2 is connected with the first shaft shoulder 7 and the second shaft shoulder 24 through the connecting columns 3, so that the shaft body 2, the first shaft shoulder 7 and the second shaft shoulder 24 form a complete rotating shaft of the traction motor, stop openings 4 are formed in two sides of the connecting columns 3, a through opening I5 is formed in one end, farther away from the shaft body 2, of the connecting column 3, and one end, close to the through opening I5, of the connecting column 3 is fixedly connected with a screw rod 6. The shaft end 8 is fixedly connected to one end of the first shaft shoulder 7 which is farther from the shaft body 2, the side wall of the shaft end 8 is provided with a connecting head 9, a through opening II 10 is formed in the connecting head 9, a positioning opening 21 is formed in the first shaft shoulder 7, a positioning opening 21 is formed in the middle of the first shaft shoulder 7, and the diameter of the positioning opening 21 is consistent with the diameter of the connecting column 3. The shaft shoulder I7 and the connecting column 3 form an decomposable framework through the positioning opening 21, the connecting column 3 is inserted into the positioning opening 21, initial connection between the shaft body 2 and the shaft shoulder I7 is achieved, decomposition and assembly of a shaft device of the traction motor are facilitated, damaged parts are replaced, the protrusion 22 is fixedly connected to the inner surface of the positioning opening 21, the end, farther away from the shaft body 2, of the shaft shoulder I7 is internally provided with the insertion opening 23, the end, farther away from the shaft shoulder I7, of the shaft body 2 is provided with the shaft shoulder II 24, and the side wall of the through opening II 10 is provided with the through opening I5. The aperture of the second through hole 10 is the same as the diameter of the first through hole 5, the midpoint of the second through hole 10 and the midpoint of the first through hole 5 are on a line segment, when the shaft device of the traction motor is stabilized through the second through hole 10, external equipment to be pulled can be stabilized through the first through hole 5 by the first through hole 10 to stabilize the synchronization of the first shaft shoulder 7, and the shaft body 2 is fixed in an identical radian through the first through hole 5, the inner surface of the positioning hole 21 is provided with the connecting column 3, and the outer surface of the protrusion 22 is provided with the stop hole 4. The positioning plate 25 is assembled in the positioning hole 21, the span in one end of the positioning hole 21 is consistent with the diameter of the positioning plate 25, the positioning plate 25 and the first shaft shoulder 7 form a plug-in framework through the positioning hole 21, the diameter of the connecting hole 28 formed in the positioning plate 25 is smaller than that of the connecting column 3, and the positioning plate 25 is led in through the positioning plate 25, so that the positioning plate 25 is respectively attached to the plug-in hole 23 and the protrusion 22 through the plug-in plate 26 and the opening 27 used for positioning, the first shaft shoulder 7 is prevented from rotating to separate the screw rod 6 from the screw nut 29, the connection between the shaft body 2 and the first shaft shoulder 7 and the second shaft shoulder 24 is stabilized, and the positioning plate 25 is favorably replaced. Two sides of the positioning plate 25 are fixedly connected with inserting plates 26 for positioning, the other two sides of the positioning plate 25 are provided with openings 27, a connecting port 28 is arranged in the middle of the positioning plate 25, one end of the screw rod 6 longitudinally penetrates through the connecting port 28, the outer surface of the screw rod 6 is connected with a nut 29, the nut 29 is in threaded connection with the screw rod 6, the diameter of the screw rod 6 is lower than that of the coupling port 28, one side of the screw nut 29 is not higher than the side wall of the shaft end 8, through the connection between the nut 29 and the screw rod 6, the place between the shaft body 2 and the first shaft shoulder 7 is stable, in addition, the introduction of the nut 29, which is detrimental to the coupling of the shaft end 8 to the external traction device, the nut 29 is arranged in the positioning opening 21, the outer surface of the inserting plate 26 for positioning is provided with an inserting opening 23, and one end of the protrusion 22 is arranged in the opening 27. In this way, when the shaft device of the traction motor as the rotating shaft of the traction motor whose lateral span can be expanded is used, the shaft body 2 having an appropriate lateral span is adopted depending on the initial operating state of the shaft device of the traction motor, the lateral span of the shaft device of the traction motor can be changed, and after the corresponding shaft body 2 is identified, the connecting columns 3 arranged at the two ends of the shaft body 2 respectively extend into the positioning openings 21 arranged on the first shaft shoulder 7 and the second shaft shoulder 24, the shaft body 2 is assembled between the first shaft shoulder 7 and the second shaft shoulder 24, then the positioning plate 25 is inserted into the positioning opening 21, the screw rod 6 arranged on the shaft body 2 is fixedly connected with the screw nut 29 through the coupling opening 28, and therefore the assembly of the shaft device of the traction motor is finished, and through the introduction of the positioning plate 25, the positioning plate 25 is respectively attached to the socket 23 and the protrusion 22 through the socket plate 26 and the opening 27 for positioning. Thereby preventing the first shoulder 7 from rotating to separate the screw rod 6 from the nut 29, and stabilizing the connection among the shaft body 2, the first shoulder 7 and the second shoulder 24. After the assembly of the shaft device of the traction motor is finished, the shaft device of the traction motor is connected with an external traction device through a shaft end 8 through a through hole two 10 and a through hole one 5 arranged on a coupling head 9, because the radian fixation is performed between the shaft body 2 and the shaft shoulder one 7 through a stop hole 4 and a protrusion 22, when the external traction device operates and drives the shaft shoulder one 7, the shaft body 2 is synchronously subjected to traction, the radian dislocation cannot occur between the shaft body 2 and the shaft shoulder one 7, which is not beneficial to the application of the shaft device of the traction motor, when some parts of the shaft device of the traction motor are damaged, the screw 29 and the screw rod 6 are separated through rotating the screw 29, so that the shaft body 2 is separated from the shaft shoulder one 7 and the shaft shoulder two 24, in addition, the positioning plate 25 arranged in the positioning hole 21 can be taken out, the decomposition of the shaft device of the traction motor is achieved, and the replacement of the damaged part of the shaft device of the traction motor is favorably performed, the repair cost is reduced.
While the present invention has been described above in terms of procedures illustrated in embodiments, it will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, and that various changes, alterations, and substitutions may be made without departing from the scope of the present invention.
Claims (9)
1. A shaft device of a traction motor is characterized by comprising a columnar shaft body, a columnar connecting column, a stop port, a first through port, a screw rod, a first shaft shoulder, a shaft end, a connecting head, a second through port, a positioning port, a protrusion, a plug port, a second shaft shoulder, a positioning plate, a plug plate for positioning, an opening, a connecting port and a screw nut, wherein the first shaft shoulder is arranged at one end of the shaft body, the positioning plate is arranged at one end of the first shaft shoulder farther away from the shaft body, and the positioning plate is arranged at one end of the first shaft shoulder,
the two ends of the shaft body are fixedly connected with the connecting columns, an integral framework formed by stamping is arranged between the shaft body and the connecting columns, and a first through hole is formed in the central line of each connecting column.
2. The shaft device of a traction motor as defined in claim 1, wherein the number of said coupling posts is a pair, said coupling posts form a mirror image structure with respect to the center line of the shaft body, said shaft body is connected to the first and second shoulders via the coupling posts, so that the shaft body, the first shoulder and the second shoulder form a complete rotation shaft of the traction motor, the two sides of said coupling posts are provided with stop openings, the end of said coupling post farther from the shaft body is provided with a first through opening, and the end of said coupling post closer to the first through opening is fixedly connected to the screw rod.
3. The shaft device of the traction motor as defined in claim 1, wherein a first end of the first shaft shoulder farther from the shaft body is fixedly connected to a shaft end, a coupling head is provided on a side wall of the shaft end, a second through hole is provided on the coupling head, a positioning hole is provided inside the first shaft shoulder, a positioning hole is provided in the middle of the first shaft shoulder, and a diameter of the positioning hole is identical to a diameter of the coupling post.
4. The shaft device of a traction motor as defined in claim 1, wherein said shoulder is formed into an exploded configuration with a coupling post via a positioning opening, and initial connection between a pair of shaft bodies and a first shoulder is achieved by inserting the coupling post into the positioning opening, a protrusion is fixedly attached to an inner surface of said positioning opening, an insertion opening is formed inside one end of said first shoulder farther from said shaft body, a second shoulder is formed at one end of said shaft body farther from said first shoulder, and a first through opening is formed in a side wall of said second through opening.
5. The shaft device of a traction motor according to claim 1, wherein the diameter of the second through-hole is the same as the diameter of the first through-hole, the midpoint of the second through-hole and the first through-hole is on a line segment, when the shaft device of the traction motor is stabilized by the first through-hole, external equipment to be towed can be synchronized by the first through-hole and the second through-hole through the first through-hole, and the shaft device of the traction motor is also fixed by the pair of shafts through the first through-hole, the shaft device of the traction motor is fixed by the pair of shafts through the through-hole, the positioning hole is provided with a coupling column inside, and the outer surface of the protrusion is provided with.
6. The shaft device of a traction motor according to claim 1, wherein the positioning plate is fitted inside the positioning hole, a span inside one end of the positioning hole is in accordance with a diameter of the positioning plate, the positioning plate forms a plug-in structure with the shaft shoulder via the positioning hole, a diameter of the coupling hole formed in the positioning plate is smaller than a diameter of the coupling post, and the positioning plate is respectively attached to the plug-in hole and the protrusion via the plug-in plate and the opening for positioning via the introduction of the positioning plate.
7. The shaft device of a traction motor as defined in claim 1, wherein the positioning plate has two sides fixedly connected to an insertion plate for positioning, the positioning plate has openings at the other two sides, the positioning plate has a coupling opening at a center thereof, one end of a screw rod is longitudinally penetrated through the inside of the coupling opening, a nut is connected to the outer surface of the screw rod, the nut is screwed to the screw rod, the diameter of the screw rod is smaller than that of the coupling opening, one side of the nut is not higher than the side wall of the shaft end, and the shaft body is stabilized at a position between the shaft body and the shoulder by the connection between the nut and the screw rod, the nut is fitted into the positioning opening, the insertion opening is formed at the outer surface of the insertion plate for positioning, and one end of the protrusion is formed inside the opening.
8. The shaft device of a traction motor according to claim 1, wherein when the shaft device of a traction motor is used as a rotating shaft of a traction motor whose lateral span can be expanded, a shaft body having an appropriate lateral span is adopted in response to a difference in the operating condition of the shaft device of the initial traction motor, and the lateral span of the shaft device of the traction motor can be changed to identify the adoption of the corresponding shaft body, the connecting columns arranged at the two ends of the shaft body respectively extend into the positioning openings arranged on the first shaft shoulder and the second shaft shoulder, the shaft body is assembled with the first shaft shoulder and the second shaft shoulder, then the positioning plate is inserted into the positioning hole, the screw rod arranged on the shaft body is fixedly connected with the screw nut through the coupling hole, and the assembly of the shaft device of the traction motor is finished, and the positioning plate is respectively attached to the socket and the protrusion through the socket plate and the opening for positioning by introducing the positioning plate.
9. The shaft assembly of a traction motor as defined in claim 1, wherein the shaft assembly of the traction motor is connected to an external device to be drawn through the shaft end via a through-hole two and a through-hole one provided in the coupling head after the assembly of the shaft assembly of the traction motor is completed, the shaft assembly is fixed to the shoulder assembly via the stop hole and the protrusion, the shaft assembly is simultaneously drawn when the external device to be drawn operates the shoulder assembly, and the nut is separated from the lead screw by rotating the nut when the component of the shaft assembly of the traction motor is damaged, so that the shaft assembly is separated from the shoulder assembly and the positioning plate provided in the positioning hole can be removed to disassemble the shaft assembly of the traction motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219371.4A CN111404315A (en) | 2020-03-25 | 2020-03-25 | Shaft device of traction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219371.4A CN111404315A (en) | 2020-03-25 | 2020-03-25 | Shaft device of traction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111404315A true CN111404315A (en) | 2020-07-10 |
Family
ID=71431306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010219371.4A Pending CN111404315A (en) | 2020-03-25 | 2020-03-25 | Shaft device of traction motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111404315A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170219019A1 (en) * | 2016-01-28 | 2017-08-03 | Ge Aviation Systems Llc | Method and disconnector for disconnecting a drive shaft |
| CN208094375U (en) * | 2018-03-26 | 2018-11-13 | 常州市鼎智机电有限公司 | Long stroke fixes shaft type lead screw motor |
| CN108900032A (en) * | 2018-08-03 | 2018-11-27 | 靖江嘉良汽车配件有限公司 | A kind of motor extension shaft |
| CN109687633A (en) * | 2017-10-19 | 2019-04-26 | 常州朗奇威电器有限公司 | A kind of motor shaft |
| CN110768452A (en) * | 2019-10-29 | 2020-02-07 | 泰信电机(苏州)有限公司 | Take bellied motor shaft of spline |
-
2020
- 2020-03-25 CN CN202010219371.4A patent/CN111404315A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170219019A1 (en) * | 2016-01-28 | 2017-08-03 | Ge Aviation Systems Llc | Method and disconnector for disconnecting a drive shaft |
| CN109687633A (en) * | 2017-10-19 | 2019-04-26 | 常州朗奇威电器有限公司 | A kind of motor shaft |
| CN208094375U (en) * | 2018-03-26 | 2018-11-13 | 常州市鼎智机电有限公司 | Long stroke fixes shaft type lead screw motor |
| CN108900032A (en) * | 2018-08-03 | 2018-11-27 | 靖江嘉良汽车配件有限公司 | A kind of motor extension shaft |
| CN110768452A (en) * | 2019-10-29 | 2020-02-07 | 泰信电机(苏州)有限公司 | Take bellied motor shaft of spline |
Non-Patent Citations (2)
| Title |
|---|
| 吴冬敏: ""高速高精度三轴并联机器人的动力学建模"", 《机械工程与自动化》 * |
| 窦满锋等: "大长径比高功率密度异步电机转轴机械设计 ", 《微电机》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9525314B2 (en) | Rotary electric machine | |
| CN201511817U (en) | Intermediate support of transmission shaft | |
| CN111404315A (en) | Shaft device of traction motor | |
| CN209748367U (en) | Positioning device for assembling generator | |
| CN204729480U (en) | Container-type shaft bearing structure | |
| CN107101056B (en) | Quick connector for crank case | |
| CN101984267B (en) | Bolt-type dislocated Hooke joint | |
| CN110103004B (en) | Bearing assembling device and method | |
| CN220820570U (en) | PC motherboard | |
| CN113949234B (en) | Motor stator assembling method | |
| CN220785923U (en) | Middle reinforcing plate for rear column of vehicle body | |
| CN2929316Y (en) | Quick connection driving device | |
| CN104907975A (en) | Combined positioning and clamping mechanism and method for implementing workpiece clamping | |
| CN220627701U (en) | Split type relay installation base | |
| CN219892480U (en) | Clamping assembly and USB flash disk | |
| CN220174452U (en) | Split type cutting drum of tipping machine | |
| CN220638919U (en) | Substrate structure for 3D printing easy to assemble | |
| CN109483450B (en) | Electric power wrench | |
| CN219018016U (en) | Centering auxiliary device of electric signal transmission plug for assembly line production | |
| CN216424019U (en) | Compressor support assembly structure | |
| CN219535305U (en) | Capacitor box convenient to overhaul | |
| CN220769932U (en) | Spliced bearing shaft | |
| CN219872126U (en) | Universal developing box | |
| CN220101836U (en) | Coupling flange transmission device | |
| CN215321973U (en) | Bracket arm of power assembly suspension device and power assembly suspension device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20220311 |
|
| AD01 | Patent right deemed abandoned |