CN214788945U - Speed reducing motor - Google Patents
Speed reducing motor Download PDFInfo
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- CN214788945U CN214788945U CN202121062450.5U CN202121062450U CN214788945U CN 214788945 U CN214788945 U CN 214788945U CN 202121062450 U CN202121062450 U CN 202121062450U CN 214788945 U CN214788945 U CN 214788945U
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- bearing flange
- cover plate
- motor according
- output shaft
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Abstract
The invention relates to a geared motor having an electric machine for driving a gear unit, wherein a bearing flange of the gear unit is fastened to a housing part of the gear unit, wherein a bearing for rotatably supporting an output shaft of the gear unit is received in the bearing flange, wherein a shaft sealing ring is received in the bearing flange, which is sealed off from the output shaft, in particular performs a sealing function, wherein a cover plate is fastened to the bearing flange on the side of the bearing flange facing away from a gear unit interior space filled with lubricating oil, in particular by means of a screw, wherein the cover plate has an oil groove running around in the circumferential direction on the side facing the bearing flange, wherein a radial bore is implemented in the cover plate, which leads into one of the oil grooves, in particular into the oil groove on the radially outermost side.
Description
Technical Field
The utility model relates to a gear motor of motor with drive reduction gear.
Background
It is generally known that a reduction motor can be configured with a motor that drives a reduction gear.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims at, improve gear motor's operational reliability and life.
According to the invention, this object is achieved by an electric machine according to the features given below.
In a reduction motor having a motor for driving a reducer, the important feature of the present invention is that a bearing flange of the reducer is fixed to a housing member of the reducer,
wherein a bearing for rotatably supporting an output shaft of the speed reducer is received in the bearing flange,
wherein a shaft sealing ring is also received in the bearing flange, which shaft sealing ring seals, in particular performs a sealing function,
wherein the cover plate is fastened to the bearing flange on the side of the bearing flange facing away from the reducer interior, in particular filled with lubricating oil, in particular by means of screws,
wherein the cover plate has an oil groove which surrounds in the circumferential direction on its side facing the bearing flange,
in this case, a radial bore is formed in the cover plate, which leads into one of the oil grooves, in particular into the radially outermost oil groove.
The advantage here is that the operational reliability and the life of the gear motor are improved. Since the joint of the cover plate with the grease lubrication improves the service life of the shaft sealing ring on the one hand and prevents the ingress of dust or dirt on the other hand, the operational reliability and also the service life are increased.
In this case, the cover plate can be produced and installed in a simple manner. It is also important here that the grease is filled via a line, so that the filling can take place at a distance from the retarder. In this way, a minimum spacing can also be maintained, so that contact of the rotating parts and the attendant risk of accident can be avoided.
In an advantageous embodiment, the line is connected to the cover. The advantage here is that the cover plate can be installed afterwards without having to modify the retarder, so that the grease lubrication can be added afterwards to the existing installation together with the cover plate.
In an advantageous embodiment, a gap, in particular an annular gap, is formed between the cover plate and the output shaft. Grease over-pressure can be reduced through the gap and/or excess grease can be expelled through the gap. Thus, dirt can also be squeezed out.
The important feature of the gear motor with a motor driving a reducer according to the present invention is that the bearing flange of the reducer is fastened to the housing part of the reducer,
wherein a bearing for rotatably supporting an output shaft of the speed reducer is received in the bearing flange,
wherein a shaft sealing ring is received in the bearing flange, which shaft sealing ring seals off the output shaft, in particular performs a sealing function,
wherein the cover plate is arranged on the bearing flange on the side of the bearing flange facing away from the reducer interior filled, in particular, with lubricating oil and is connected to the output shaft in a rotationally fixed manner,
in particular, wherein the cover plate is fitted onto the output shaft and is connected to the output shaft in a rotationally fixed manner,
wherein the cover plate has an oil groove which surrounds in the circumferential direction on its side facing the bearing flange,
in this case, a radial bore is formed in the cover plate, which leads into one of the oil grooves, in particular into the radially outermost oil groove.
The advantage here is that the operational reliability and the life of the gear motor are improved. Since the joint of the cover plate with the grease lubrication improves the service life of the shaft sealing ring on the one hand and prevents the ingress of dust or dirt on the other hand, the operational reliability and also the service life are increased.
The cover plate can be produced and installed in a simple manner. It is important here that the grease is filled via a line leading to the bearing flange, so that the grease can be filled at a distance from the gear unit. In this way, a minimum distance can also be maintained, so that contact of the rotating parts, in particular with the cover plate, and the risk of accidents resulting therefrom can be avoided.
In particular, the pipe is flanged to the bearing. The advantage here is that a compact solution is achieved, since no additional installation space is required for the lubrication through the bearing flange.
In particular, the cover plate is connected to the output shaft in a sealing manner. The advantage here is that a labyrinth seal can be formed between the bearing flange and the cover plate.
In an advantageous embodiment of one of the gear motors described above, the line opens into the radial bore. The advantage here is that the grease can be fed from a reliable location and accident risks or injuries can be avoided.
In an advantageous embodiment of one of the above-described geared motors, the end region of the line is fastened to the housing part of the motor. The advantage here is that it is possible to fill the region of the electric machine with grease and to guide the lines outside the electric machine, i.e. the lines are not integrated in the electric machine. In this way, the function of the motor can be reliably ensured even if the pipeline is damaged.
In an advantageous embodiment of one of the gear motors described above, a grease nipple is arranged on the end region to enable the supply of grease. The advantage here is that a simple supply can be achieved.
In an advantageous embodiment of one of the above-described geared motors, the oil grooves are arranged and configured coaxially with respect to one another and/or with respect to the rotational axis of the output shaft. The advantage here is that a labyrinth can be formed by means of the oil grooves and the projections projecting axially from the bearing flange.
In an advantageous embodiment of one of the above-described geared motors, the oil groove is designed in the circumferential direction without interruption and/or completely around it. The advantage here is that an efficient supply of grease and a large storage volume can be provided.
In an advantageous embodiment of one of the above-described geared motors, projections extending in the circumferential direction are formed on the side of the bearing flange facing the cover plate, which projections project into the oil sump, in particular for forming a labyrinth seal. The advantage here is that the labyrinth can be constructed in a simple manner, so that a high tightness and a large storage volume can be provided.
In an advantageous embodiment of one of the gear motors described above, the cover plate has an opening, in particular a circular hole, through which the output shaft protrudes. The advantage here is that a simple assembly can be achieved.
The present invention is not limited to the above feature combinations. The above-described features and/or the above-described combinations of features and/or other possible combinations of features to be described below and/or the features of the drawings are known to the person skilled in the art, in particular from the object set out and/or by comparison with the prior art.
Drawings
The invention is now explained in detail with the aid of a schematic drawing:
fig. 1 shows a side view of a geared motor according to the invention with a sectioned output region.
The output area is shown enlarged and schematically in fig. 2.
List of reference numerals:
1 bearing flange
2 cover plate
3 labyrinth sealing device
4 screw
5 oil injection nozzle
6 pipeline
7 shaft sealing ring
8 output shaft
9 bearing
10 electric machine
11 speed reducer
12 shell part
Detailed Description
As shown in the drawing, the decelerator 11 is driven by the motor 10 and connected to the motor 10.
The bearing flange 1 of the gear unit 11 is connected to a housing part 12 of the gear unit 11. The bearing flange 1 is fastened to the housing part 12, in particular by means of screws.
A bearing 9 is received in the bearing flange 1 for rotatably supporting the output shaft 8 of the reduction gear 11.
The output shaft 8 extends from the reducer 11.
The shaft sealing ring 7 is arranged on the side of the bearing 9 facing away from the inner chamber. The shaft sealing ring 7 is received in the bearing flange and seals against the output shaft 8. The sealing lip of the shaft sealing ring 7 preferably acts on a working region of the output shaft 8 which is finished for this purpose.
The cover plate 2 is fixed to the bearing flange 1 by means of screws 4. For this purpose, screws 4 are screwed into the respective axially directed threaded holes of the bearing flange 1, so that the screw heads of the screws 4 press the cover plate 2 onto the bearing flange 1.
The reduction gear 11 is preferably embodied as a reversing gear and is fitted such that the axis of rotation of the output shaft 8 is oriented parallel to the axial direction. The axis of rotation of the rotor shaft of the motor 10 is preferably oriented vertically.
The output shaft 8 protrudes through an opening in the cover plate 2. Only a small gap is provided between the output shaft 8 and the cover plate 2, so that no contact occurs, but no appreciable grease loss occurs.
The side of the cover plate 2 facing the bearing flange 1 has circular oil grooves arranged coaxially to one another. Each oil groove is continuous in the circumferential direction with reference to the rotational axis of the output shaft 8.
The other recesses on the side of the cover plate 2 facing the bearing flange 1 extend in the radial direction and connect the oil grooves.
The radial bores of the cover plate 2 open into the oil sump at the radially outermost side.
To this radial bore, a line 6 leading from the outside is connected, through which grease can be supplied. Here, grease is introduced into the grease nipple 5 arranged at the end of the line 6 facing away from the bearing flange 1.
This end of the line 6 and/or the oil nipple 5 is fastened to a housing part of the electric motor 10, in particular to a fan housing of the electric motor 10.
On the side of the bearing flange 1 facing the cover plate 2, axially projecting projections extending in the circumferential direction are formed on the bearing flange, which projections project into the oil sump. Thereby, a labyrinth seal 3 filled with grease is formed between the cover plate 2 and the bearing flange 1. The cover plate 2 is fixed to the bearing flange 1 and is thereby connected to the bearing flange in a rotationally fixed manner.
Thus, grease lubrication is achieved by means of the labyrinth seal between the cover plate 2 and the bearing flange 1 and the working area of the sealing lip of the shaft sealing ring 7 is supplied with grease. Excess grease can be drained through the gap between the cover plate 2 and the output shaft 8 and/or the overpressure in the grease can be reduced. Furthermore, the gap can be filled with grease to prevent the ingress of dirt.
In other exemplary embodiments according to the invention, no screws 4 are provided and the cover plate 2 is connected to the output shaft 8 in a rotationally fixed manner. Instead of being arranged in the cover plate 2, a radial bore is arranged in the bearing flange 1 and opens out next to the recess, so that the labyrinth seal can be supplied with grease. The line 6 is then connected to the bearing flange 1, in particular to the radial bore.
Claims (31)
1. A reduction motor has a motor driving a reducer,
it is characterized in that a bearing flange of the speed reducer is fastened on a shell part of the speed reducer,
a bearing for rotatably supporting the output shaft of the gear unit is received in the bearing flange,
a shaft sealing ring is received in the bearing flange, said shaft sealing ring sealing against the shaft, said shaft sealing ring performing a sealing function,
the cover plate is fastened on the bearing flange on the side of the bearing flange facing away from the inner cavity of the reducer,
the cover plate has an oil groove running around in the circumferential direction on its side facing the bearing flange,
a radial bore is embodied in the cover plate, which leads into one of the oil grooves.
2. The geared motor of claim 1, wherein the gear reducer cavity is filled with a lubricating oil.
3. Geared motor according to claim 1, characterized in that the cover plate is fastened to the bearing flange by means of screws.
4. The geared motor of claim 1, wherein the radial holes open into a radially outermost oil groove.
5. The reduction motor according to any one of claims 1 to 4,
it is characterized in that the preparation method is characterized in that,
the pipeline is connected with the cover plate.
6. The reduction motor according to any one of claims 1 to 4,
it is characterized in that the preparation method is characterized in that,
a gap is formed between the cover plate and the output shaft.
7. The geared motor of claim 6, wherein the gap is an annular gap.
8. Geared motor according to any one of claims 1 to 4, characterized in that the conduits open into radial bores.
9. A gearmotor according to any one of claims 1 to 4, wherein the end regions of the conduits are secured to the housing part of the motor.
10. Geared motor according to claim 9, characterized in that a grease nipple for feeding grease is arranged on the end region.
11. A geared motor according to any one of claims 1 to 4, wherein the oil grooves are provided coaxially with each other or with the rotational axis of the output shaft.
12. A geared motor according to any one of claims 1 to 4, wherein the oil groove is designed without interruption in the circumferential direction.
13. The geared motor according to claim 12, wherein the oil groove is designed to completely surround in a circumferential direction.
14. A gearmotor according to any one of claims 1 to 4, wherein circumferentially extending projections are formed on the side of the bearing flange facing the cover plate, which projections project into the oil groove for forming a labyrinth seal.
15. The reduction motor according to any one of claims 1 to 4, wherein the cover plate has an opening through which the output shaft protrudes.
16. The geared motor of claim 15, wherein the opening is a circular hole.
17. A reduction motor has a motor driving a reducer,
it is characterized in that a bearing flange of the speed reducer is fastened on a shell part of the speed reducer,
a bearing for rotatably supporting the output shaft of the gear unit is received in the bearing flange,
a shaft sealing ring is received in the bearing flange, said shaft sealing ring sealing against the shaft, said shaft sealing ring performing a sealing function,
the cover plate is arranged on the bearing flange on the side of the bearing flange facing away from the reducer interior and is connected to the output shaft in a rotationally fixed manner,
the cover plate has an oil groove running around in the circumferential direction on its side facing the bearing flange,
a radial bore is embodied in the cover plate, which leads into one of the oil grooves.
18. The geared motor of claim 17, wherein the gear reducer cavity is filled with a lubricating oil.
19. The reduction motor according to claim 17, wherein a cover plate is fitted over the output shaft and is connected to the output shaft in a relatively non-rotatable manner.
20. The geared motor of claim 17, wherein the radial holes open into a radially outermost oil groove.
21. The reduction motor according to any one of claims 17 to 20,
it is characterized in that the preparation method is characterized in that,
the pipeline is connected with the bearing flange.
22. The reduction motor according to any one of claims 17 to 20,
it is characterized in that the preparation method is characterized in that,
the cover plate is connected with the output shaft in a sealing mode.
23. The reduction motor according to any one of claims 17 to 20,
it is characterized in that the preparation method is characterized in that,
the conduit leads into the radial bore.
24. The reduction motor according to any one of claims 17 to 20,
it is characterized in that the preparation method is characterized in that,
the end region of the line is fixed to the housing part of the electric motor.
25. The reduction motor in accordance with claim 24,
it is characterized in that the preparation method is characterized in that,
a grease nipple for feeding grease is arranged on the end region.
26. The reduction motor according to any one of claims 17 to 20,
it is characterized in that the preparation method is characterized in that,
the oil grooves are arranged coaxially with each other or with the rotational axis of the output shaft.
27. The reduction motor according to any one of claims 17 to 20,
it is characterized in that the preparation method is characterized in that,
the oil groove is designed without interruption in the circumferential direction.
28. The geared motor of claim 27, wherein the oil groove is designed completely circumferentially around the gear motor.
29. The reduction motor according to any one of claims 17 to 20,
it is characterized in that the preparation method is characterized in that,
projections extending in the circumferential direction are formed on the side of the bearing flange facing the cover plate, which projections project into the oil groove for forming a labyrinth seal.
30. The reduction motor according to any one of claims 17 to 20,
it is characterized in that the preparation method is characterized in that,
the cover plate has an opening through which the output shaft protrudes.
31. The geared motor of claim 30, wherein the opening is a circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121062450.5U CN214788945U (en) | 2021-05-18 | 2021-05-18 | Speed reducing motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121062450.5U CN214788945U (en) | 2021-05-18 | 2021-05-18 | Speed reducing motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214788945U true CN214788945U (en) | 2021-11-19 |
Family
ID=78694551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121062450.5U Active CN214788945U (en) | 2021-05-18 | 2021-05-18 | Speed reducing motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214788945U (en) |
-
2021
- 2021-05-18 CN CN202121062450.5U patent/CN214788945U/en active Active
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