CN206112040U - Lubricating structure of motor shaft and flange splined connection - Google Patents
Lubricating structure of motor shaft and flange splined connection Download PDFInfo
- Publication number
- CN206112040U CN206112040U CN201621118414.5U CN201621118414U CN206112040U CN 206112040 U CN206112040 U CN 206112040U CN 201621118414 U CN201621118414 U CN 201621118414U CN 206112040 U CN206112040 U CN 206112040U
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- flange
- limiting plate
- spline
- machine shaft
- internal spline
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Abstract
The utility model discloses a lubricating structure of motor shaft and flange splined connection, the motor shaft of this structure and flange are through the splined connection, still include limiting plate and connecting axle, the limiting plate center is located perpendicularly to the connecting axle, the connecting axle anterior segment is equipped with the screw thread, motor shaft's internal spline inboard is equipped with the recess, the limiting plate outer lane is equipped with the key tooth and pushes the recess and follow motor shaft's internal spline, limiting plate rotation angle makes key tooth and internal spline dislocation postposition in the preceding terminal surface of recess, form lubricated cavity between limiting plate and the grooved underside, the connecting axle stretches into the central through hole of flange and adopt the nut to twist in the screw thread section. The defect of traditional connected mode has been overcome to this structure, makes the spline be in the grease lubrication state always, reduces the spline wearing and tearing, the improve equipment life -span, reduce operating noise, and reduce the corrective maintenance cost, improved production operating efficiency.
Description
Technical field
This utility model is related to the lubrication system of a kind of machine shaft and flange spline connection.
Background technology
Generally machine shaft connects driving equipment by flange, by spline connection is routinely between machine shaft and flange
Type of attachment.Its type of attachment is provided with internal spline for machine shaft, and flange is provided with external splines, and external splines coordinates real with internal spline
Existing power drive.When such type of attachment need to periodically carry out spline maintenance, addition grease, and spline is tight by outside air corrosion
Weight, affects the reliability of connection, and spline maintenance operation to waste time and energy, and need to shut down operation, reduces production run efficiency.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of machine shaft and ties with the lubrication of flange spline connection
Structure, this structure overcomes the defect of conventional coupling arrangement, makes spline be constantly in grease lubrication state, reduces spline wear, carries
High equipment life, operation noise is reduced, reduce corrective maintenance cost, improve production run efficiency.
To solve above-mentioned technical problem, this utility model machine shaft includes motor with the lubrication system of flange spline connection
Rotating shaft and flange, the machine shaft is provided with internal spline, and the flange is provided with external splines, and the external splines of the flange is inserted in described
The internal spline of machine shaft, this structure also includes limiting plate and connecting shaft, and the connecting shaft is vertical at the limiting plate center,
The connecting shaft leading portion is provided with screw thread, and the internal spline inner side of the machine shaft is provided with groove, and the limiting plate outer ring is provided with key
Tooth and the internal spline along the machine shaft push groove, and the limiting plate anglec of rotation makes position after key teeth and internal spline dislocation
Lubrication cavity is formed between the front end face of the groove, the limiting plate and groove floor, the connecting shaft stretches into the method
Blue central through hole and twisted in thread segment using nut.
Further, the connecting shaft back segment is provided with D types key and just to the key teeth of the limiting plate, the center of the flange
Through hole is provided with D type grooves and just to the tooth top of flange external splines, the D types key mapping is in the D type grooves.
Further, this structure also includes stop washer, and the stop washer is inserted in the thread segment of the connecting shaft, the spiral shell
Mother is located on the stop washer.
Further, this structure also includes O-ring seal, and the O-ring seal is respectively arranged on the flange and machine shaft
Joint face and connecting shaft and flange center's through hole joint face.
Because the lubrication system of this utility model machine shaft and flange spline connection employs above-mentioned technical proposal, i.e., originally
With flange by spline connection, also including limiting plate and connecting shaft, connecting shaft is vertical in limiting plate the machine shaft of structure
The heart, connecting shaft leading portion is provided with screw thread, and the internal spline inner side of machine shaft is provided with groove, and limiting plate outer ring is provided with key teeth and along electricity
The internal spline of machine rotating shaft pushes groove, and the limiting plate anglec of rotation makes key teeth that the front end face of groove, limit are located at after misplacing with internal spline
Lubrication cavity is formed between position plate and groove floor, connecting shaft is stretched into the central through hole of flange and twisted in screw thread using nut
Section.This structure overcomes the defect of conventional coupling arrangement, makes spline be constantly in grease lubrication state, reduces spline wear, carries
High equipment life, operation noise is reduced, reduce corrective maintenance cost, improve production run efficiency.
Description of the drawings
Below in conjunction with the accompanying drawings the utility model is described in further detail with embodiment：
Fig. 1 is the lubrication system schematic diagram of this utility model machine shaft and flange spline connection；
Fig. 2 is the structural representation with external splines flange in this structure；
Fig. 3 is the structural representation of limiting plate and connecting shaft in this structure；
Fig. 4 is the side view of Fig. 3；
Fig. 5 is limiting plate key teeth and machine shaft internal spline dislocation schematic diagram in this structure.
Specific embodiment
As shown in Figures 1 to 5, this utility model machine shaft includes electricity to embodiment with the lubrication system of flange spline connection
Machine rotating shaft 1 and flange 2, the machine shaft 1 is provided with internal spline 12, and the flange 2 is provided with external splines 21, outside the flange 2
Spline 21 is inserted in the internal spline 12 of the machine shaft 1, and this structure also includes limiting plate 3 and connecting shaft 4, and the connecting shaft 4 is hung down
The center of the limiting plate 3 is directly located at, the leading portion of the connecting shaft 4 is provided with screw thread 41, and the inner side of internal spline 12 of the machine shaft 1 sets
Fluted 11, the outer ring of the limiting plate 3 is provided with key teeth 31 and the internal spline 12 along the machine shaft 1 pushes groove 11, institute
Stating the anglec of rotation of limiting plate 3 makes to be located at the front end face of the groove 11 after the dislocation of key teeth 31 and internal spline 12, the limiting plate 3 with
Lubrication cavity is formed between the bottom surface of groove 11, the connecting shaft 4 is stretched into the central through hole of the flange 2 and twisted using nut 5
In 41 sections of screw thread.
Preferably, the back segment of the connecting shaft 4 is provided with D types key 42 and just to the key teeth 31 of the limiting plate 3, the flange
2 central through hole is provided with D type grooves 22 and just to the tooth top of the external splines 21 of flange 2, the D types key 42 is located at the D type grooves 22
It is interior.The setting of D types key and D type grooves guarantees that limiting plate is reliably connected with flange, while limiting in limiting plate key teeth and machine shaft
The dislocation angle of spline, reaches the axial limiting effect of limiting plate.
Preferably, this structure also includes stop washer 6, and the stop washer 6 is inserted in 41 sections of the screw thread of the connecting shaft 4,
The nut 5 is located on the stop washer 6.Stop washer avoids nut from releasing, it is ensured that the connection of limiting plate and flange and
Position in groove.
Preferably, this structure also includes O-ring seal 7,8, and the O-ring seal 7,8 is respectively arranged on the flange 2 with electricity
The joint face and connecting shaft 4 of machine rotating shaft 1 and the joint face of the central through hole of flange 2.O-ring seal is used for sealing flange and turns with motor
The joint face and connecting shaft of axle and the joint face of flange center's through hole, it is to avoid the grease in lubrication cavity oozes out.
This structure forms lubrication cavity by limiting plate on the inside of machine shaft internal spline, and in lubrication cavity lubrication is filled
Fat, when motor operation, the misplacement space of grease Jing limiting plates key teeth and machine shaft internal spline flow to flange external splines with
The joint face of machine shaft internal spline, so as to realize connecting the lubricating function of spline.Can store a certain amount of due to lubricating cavity
Grease, therefore connection spline can be made during motor operation to be constantly in grease lubrication state, overcoming conventional spline connection needs Jing
The defect often safeguarded, and the abrasion of spline is effectively reduced, service life is improved, reduce the noise of motor operation.
Claims (4)
1. the lubrication system of a kind of machine shaft and flange spline connection, including machine shaft and flange, the machine shaft sets
There is internal spline, the flange is provided with external splines, and the external splines of the flange is inserted in the internal spline of the machine shaft, and its feature exists
In：This structure also includes limiting plate and connecting shaft, and the connecting shaft is vertical at the limiting plate center, the connecting shaft leading portion
Screw thread is provided with, the internal spline inner side of the machine shaft is provided with groove, and the limiting plate outer ring is provided with key teeth and along the electricity
The internal spline of machine rotating shaft pushes groove, and the limiting plate anglec of rotation makes to be located at before the groove after key teeth and internal spline dislocation
End face, forms lubrication cavity between the limiting plate and groove floor, the connecting shaft stretches into the central through hole of the flange simultaneously
And twisted in thread segment using nut.
2. the lubrication system of machine shaft according to claim 1 and flange spline connection, it is characterised in that：The connection
Axle back segment is provided with D types key and just to the key teeth of the limiting plate, the central through hole of the flange is provided with D type grooves and just to method
The tooth top of blue external splines, the D types key mapping is in the D type grooves.
3. the lubrication system of machine shaft according to claim 1 and 2 and flange spline connection, it is characterised in that：This knot
Structure also includes stop washer, and the stop washer is inserted in the thread segment of the connecting shaft, and the nut is located at the stop washer
On.
4. the lubrication system of machine shaft according to claim 3 and flange spline connection, it is characterised in that：This structure is also
Including O-ring seal, the O-ring seal is respectively arranged in the joint face and connecting shaft and flange of the flange and machine shaft
The joint face of heart through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118414.5U CN206112040U (en) | 2016-10-13 | 2016-10-13 | Lubricating structure of motor shaft and flange splined connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118414.5U CN206112040U (en) | 2016-10-13 | 2016-10-13 | Lubricating structure of motor shaft and flange splined connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206112040U true CN206112040U (en) | 2017-04-19 |
Family
ID=58528511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621118414.5U Active CN206112040U (en) | 2016-10-13 | 2016-10-13 | Lubricating structure of motor shaft and flange splined connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206112040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939956A (en) * | 2016-10-13 | 2018-04-20 | 上海大郡动力控制技术有限公司 | The lubrication system that machine shaft is connected with flange spline |
| GB2572585A (en) * | 2018-04-04 | 2019-10-09 | Rolls Royce Plc | Spline joint |
-
2016
- 2016-10-13 CN CN201621118414.5U patent/CN206112040U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939956A (en) * | 2016-10-13 | 2018-04-20 | 上海大郡动力控制技术有限公司 | The lubrication system that machine shaft is connected with flange spline |
| GB2572585A (en) * | 2018-04-04 | 2019-10-09 | Rolls Royce Plc | Spline joint |
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