CN107591950A - A kind of high-speed pulling motor rotating shaft - Google Patents
A kind of high-speed pulling motor rotating shaft Download PDFInfo
- Publication number
- CN107591950A CN107591950A CN201711074369.7A CN201711074369A CN107591950A CN 107591950 A CN107591950 A CN 107591950A CN 201711074369 A CN201711074369 A CN 201711074369A CN 107591950 A CN107591950 A CN 107591950A
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- China
- Prior art keywords
- installation step
- rotating shaft
- bearing
- clutch shaft
- radial dimension
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Abstract
The invention discloses a kind of high-speed pulling motor rotating shaft, it is related to traction electric machine servicing unit technical field, and it includes axially outer end, keyway, clutch shaft bearing installation step, rotor installation step, positioning step, torque sensor, mounting groove, second bearing installation step, interior installation step and jump-ring slot.Jump-ring slot is provided with its clutch shaft bearing installation step, bearing can be fixed in the above by installing jump ring additional, fixed form is positioned instead of traditional shaft shoulder, ensure that bearing will not shift in rotating and have influence on motor work, it is provided with torque sensor simultaneously, the real-time moment of torsion of rotating shaft can be transferred to extraneous display and observed for user and understood, convenient use person judges to the working condition of motor, is advantageous to promote the use of on a large scale.
Description
Technical field：
The present invention relates to a kind of high-speed pulling motor rotating shaft, belongs to traction electric machine servicing unit technical field.
Background technology：
The operation principle of traction electric machine is identical with general direct current generator, but has special condition of work：Bulk by
The limitation of gauge and driving wheel diameter；In locomotive operation by bear sizable impact shock when rail gap and track switch；Large and small tooth
When wheel engagement is bad strong twisting vibration can be produced on armature；Used in adverse circumstances, the easily intrusion etc. of rain, snow, dust and sand.
Therefore traction electric machine also has many requirements in design and structure, such as to make full use of internal body space to make compact-sized,
Using higher insulating materials and permeability magnetic material, parts need to have higher mechanical strength and rigidity, and whole motor need to have good
Good ventilation and heat condition and dust and moisture ability, will take special measure and be subtracted with dealing with relatively difficult " commutation " condition
Spark under few carbon brush etc., the requirement of traction electric machine on the make countershaft are very strict.
But existing rotating shaft is often positioned using the shaft shoulder to bearing, due to motor high-speed rotation, axle is easily caused
Hold displacement and motor is not worked, it is therefore desirable to invent a kind of high-speed pulling motor rotating shaft, while be capable of the moment of torsion of countershaft
Real-time detection is made, is further made up insufficient existing for existing equipment.
The content of the invention：
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of high-speed pulling motor rotating shaft.
The high-speed pulling motor rotating shaft of the present invention, it includes axially outer end, keyway, clutch shaft bearing installation step, rotor installation
Step, positioning step, torque sensor, mounting groove, second bearing installation step, interior installation step and jump-ring slot, positioning step
One end is provided with rotor installation step, and rotor installation step side is provided with clutch shaft bearing installation step, clutch shaft bearing erecting bed
Both sides are provided with jump-ring slot above rank, and clutch shaft bearing installation step side is provided with axially outer end, keyway is provided with axially outer end, fixed
The position step other end is provided with interior installation step, and mounting groove is provided with interior installation step, torque sensing is provided with mounting groove
Device, interior installation step side are provided with second bearing installation step.
Preferably, the material of described positioning step is potassium steel, positioning step is used for carrying out installation positioning, rotor peace
It is fewer 5mm-8mm than the radial dimension of positioning step to fill the radial dimension of step, rotor installation step is used for installing rotor.
Preferably, the radial dimension of described clutch shaft bearing installation step is fewer than the radial dimension of rotor installation step
4mm-6mm, clutch shaft bearing installation step are used for location and installation bearing.
Preferably, the quantity of described jump-ring slot is two, groove depth 5mm, jump-ring slot is fixed by installing jump ring additional
Bearing.
Preferably, the radial dimension of described axially outer end is fewer 4mm-7mm than the radial dimension of clutch shaft bearing installation step,
Axially outer end is used for connecting the draw-gear for the treatment of in the external world, and the deviation code name of keyway is h11, and keyway for loading flat key install admittedly
It is fixed.
Preferably, the radial dimension of described interior installation step is fewer 3mm-5mm than positioning step, interior installation step is used for
Mounting groove is set, and mounting groove is rectangular channel, and milling is made, and mounting groove is used for installing even twisting moment sensor.
Preferably, described torque sensor electrically connects with extraneous display device, torque sensor is used for obtaining rotating shaft
Torque information, second bearing installation step is consistent with clutch shaft bearing installation step radial dimension, second bearing erecting bed
Rank is used for installing bearing.
Beneficial effects of the present invention：Jump-ring slot is provided with the clutch shaft bearing installation step of the rotating shaft, installation can be passed through
Bearing is fixed in the above by jump ring, and fixed form is positioned instead of traditional shaft shoulder, has ensured that bearing will not shift and shadow in rotating
Ring to motor and work, while be provided with torque sensor, the real-time moment of torsion of rotating shaft can be transferred to extraneous display and supply user
Observation understands, and convenient use person judges to the working condition of motor, is advantageous to promote the use of on a large scale.
Brief description of the drawings：
For ease of explanation, the present invention is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is the structural front view of the present invention；
Fig. 2 is the structure top view of the present invention；
Fig. 3 is the side view of the axially outer end of the present invention.
1- axially outer ends；2- keyways；3- clutch shaft bearing installation steps；4- rotor installation steps；5- positioning steps；6- moments of torsion pass
Sensor；7- mounting grooves；8- second bearing installation steps；Installation step in 9-；10- jump-ring slots.
Embodiment：
As shown in Figure 1, Figure 2 and Figure 3, present embodiment uses following technical scheme：It includes axially outer end 1, keyway
2nd, clutch shaft bearing installation step 3, rotor installation step 4, positioning step 5, torque sensor 6, mounting groove 7, second bearing installation
Step 8, interior installation step 9 and jump-ring slot 10, the one end of positioning step 5 are provided with rotor installation step 4, by rotor installation step 4
Side is provided with clutch shaft bearing installation step 3, and both sides are provided with jump-ring slot 10, clutch shaft bearing peace to clutch shaft bearing installation step 3 above
The dress side of step 3 is provided with axially outer end 1, keyway 2 is provided with axially outer end 1, the other end of positioning step 5 is provided with interior installation step
9, mounting groove 7 is provided with interior installation step 9, torque sensor 6 is provided with mounting groove 7, the interior side of installation step 9 is provided with
Second bearing installation step 8.
Wherein, the material of described positioning step 5 is potassium steel, and positioning step 5 is used for carrying out installation positioning, rotor installation
The radial dimension of step 4 is fewer 5mm-8mm than the radial dimension of positioning step 5, and rotor installation step 4 is used for installing rotor；It is described
Clutch shaft bearing installation step 3 radial dimension it is fewer 4mm-6mm than the radial dimension of rotor installation step 4, clutch shaft bearing installation
Step 3 is used for location and installation bearing；The quantity of described jump-ring slot 10 is two, groove depth 5mm, and jump-ring slot 10 is blocked by installing additional
Spring carrys out fixing bearing；The radial dimension of described axially outer end 1 is fewer 4mm-7mm than the radial dimension of clutch shaft bearing installation step 3, outside
Shaft end 1 is used for connecting the draw-gear for the treatment of in the external world, and the deviation code name of keyway 2 is h11, and keyway 2 is installed for loading flat key
It is fixed；Than 5 few 3mm-5mm of positioning step, interior installation step 9 is used for setting installation the radial dimension of described interior installation step 9
Groove 7, mounting groove 7 are rectangular channel, and milling is made, and mounting groove 7 is used for installing even twisting moment sensor 6；Described torque sensor 6
Electrically connected with extraneous display device, torque sensor 6 is used for obtaining the torque information of rotating shaft, second bearing installation step 8 and the
The radial dimension of one bearing installation step 3 is consistent, and second bearing installation step 8 is used for installing bearing.
The operation principle of present embodiment：When needing to use device, user determines according to the size of rotor
Installed after the radial dimension of rotor installation step 4, rotor should be interference fitted with rotor installation step 4, according to angular contact ball
The size of bearing determines the radial dimension of second bearing installation step 8, is positioned by the shaft shoulder on second bearing installation step 8
Install angular contact ball bearing additional, using interference fits mode, corresponding angular contact ball bearing is arranged on clutch shaft bearing installation step 3
On, and jump ring is installed additional to lock bearing in jump-ring slot 10, torque sensor 6 is locked in mounting groove 7 afterwards, will finally be turned
Axle loads in traction electric machine, and by installing flat key connection in keyway 2 additional after pulling equipment on axially outer end 1, control traction electricity
Machine is worked, and rotating shaft can be rotated and drawn, because the bearing on clutch shaft bearing installation step 3 is fixed using jump ring, energy
Bearing is enough locked, avoids rotating shaft bearing during high-speed rotation that horizontal skew occurs and has influence on traction electric machine high speed work
Make, while torque sensor 6 can obtain real-time torque information of the rotating shaft in rotation process in real time, and it is transferred to the aobvious of the external world
Show and real-time display is carried out in equipment, convenient use person judges the working condition of traction electric machine by observing moment of torsion.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
- A kind of 1. high-speed pulling motor rotating shaft, it is characterised in that：It includes axially outer end (1), keyway (2), clutch shaft bearing erecting bed Rank (3), rotor installation step (4), positioning step (5), torque sensor (6), mounting groove (7), second bearing installation step (8), interior installation step (9) and jump-ring slot (10), positioning step (5) one end are provided with rotor installation step (4), rotor erecting bed Rank (4) side is provided with clutch shaft bearing installation step (3), and clutch shaft bearing installation step (3) is provided with jump-ring slot in both sides above (10), clutch shaft bearing installation step (3) side is provided with axially outer end (1), and keyway (2), positioning step are provided with axially outer end (1) (5) other end is provided with interior installation step (9), and mounting groove (7) is provided with interior installation step (9), is provided with mounting groove (7) Torque sensor (6), interior installation step (9) side are provided with second bearing installation step (8).
- A kind of 2. high-speed pulling motor rotating shaft according to claim 1, it is characterised in that：Described positioning step (5) Material is potassium steel, and the radial dimension of rotor installation step (4) is fewer 5mm-8mm than the radial dimension of positioning step (5).
- A kind of 3. high-speed pulling motor rotating shaft according to claim 1, it is characterised in that：Described clutch shaft bearing erecting bed The radial dimension of rank (3) is fewer 4mm-6mm than the radial dimension of rotor installation step (4).
- A kind of 4. high-speed pulling motor rotating shaft according to claim 1, it is characterised in that：The number of described jump-ring slot (10) Measure as two, groove depth 5mm.
- A kind of 5. high-speed pulling motor rotating shaft according to claim 1, it is characterised in that：The footpath of described axially outer end (1) Fewer 4mm to 7mm than the radial dimension of clutch shaft bearing installation step (3) to size, the deviation code name of keyway (2) is h11.
- A kind of 6. high-speed pulling motor rotating shaft according to claim 1, it is characterised in that：Described interior installation step (9) Radial dimension it is fewer 3mm-5mm than positioning step (5), mounting groove (7) is rectangular channel, and milling is made.
- A kind of 7. high-speed pulling motor rotating shaft according to claim 1, it is characterised in that：Described torque sensor (6) Electrically connected with extraneous display device, second bearing installation step (8) keeps one with clutch shaft bearing installation step (3) radial dimension Cause.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711074369.7A CN107591950A (en) | 2017-11-05 | 2017-11-05 | A kind of high-speed pulling motor rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711074369.7A CN107591950A (en) | 2017-11-05 | 2017-11-05 | A kind of high-speed pulling motor rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107591950A true CN107591950A (en) | 2018-01-16 |
Family
ID=61045150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711074369.7A Withdrawn CN107591950A (en) | 2017-11-05 | 2017-11-05 | A kind of high-speed pulling motor rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107591950A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397473A (en) * | 2018-05-07 | 2018-08-14 | 珠海市凯菱机械科技有限公司 | A kind of main rotor shaft and its processing technology of single rotor unmanned plane |
| CN109973590A (en) * | 2019-03-15 | 2019-07-05 | 浙江方正电机股份有限公司 | A kind of integrated form driving electric bridge |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207117395U (en) * | 2017-08-22 | 2018-03-16 | 靖江市明宇轴业制造有限公司 | A kind of high-speed pulling motor rotating shaft |
-
2017
- 2017-11-05 CN CN201711074369.7A patent/CN107591950A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207117395U (en) * | 2017-08-22 | 2018-03-16 | 靖江市明宇轴业制造有限公司 | A kind of high-speed pulling motor rotating shaft |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397473A (en) * | 2018-05-07 | 2018-08-14 | 珠海市凯菱机械科技有限公司 | A kind of main rotor shaft and its processing technology of single rotor unmanned plane |
| CN108397473B (en) * | 2018-05-07 | 2024-03-19 | 珠海市凯菱机械科技有限公司 | Main rotor shaft of single-rotor unmanned aerial vehicle and processing technology thereof |
| CN109973590A (en) * | 2019-03-15 | 2019-07-05 | 浙江方正电机股份有限公司 | A kind of integrated form driving electric bridge |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180116 |
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| WW01 | Invention patent application withdrawn after publication |