CN220956692U - Yaw gearbox input structure - Google Patents
Yaw gearbox input structure Download PDFInfo
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- CN220956692U CN220956692U CN202322998251.0U CN202322998251U CN220956692U CN 220956692 U CN220956692 U CN 220956692U CN 202322998251 U CN202322998251 U CN 202322998251U CN 220956692 U CN220956692 U CN 220956692U
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- sun gear
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- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a yaw gearbox input structure, which relates to the technical field of gearbox manufacturing and is used for transmitting power of an output shaft of a motor to a gearbox, and comprises the following components: the motor flange is arranged on the end face of an output shaft of the motor and fixedly connected with the motor, a first through hole for penetrating through the output shaft is formed in the middle of the motor flange, a sealing device is arranged in the first through hole, and a bulge is arranged in the middle of one side of the motor flange, which faces away from the motor; the input box body is arranged on one side of the motor flange, which is away from the motor, a cavity is arranged in the input box body, and a second through hole is formed in the position corresponding to the output shaft; the through hole primary sun wheel is connected with the output shaft, a gap is reserved between the end part, close to the motor, and the bulge, and the end part, deviating from the motor, passes through the second through hole; the first-stage wear-resisting pad is arranged at the end part deviating from the motor and clings to the through hole first-stage sun gear. By adopting the arrangement, the utilization rate of the expansion space of the box body can be increased, and the processing cost is reduced.
Description
Technical Field
The application relates to the technical field of gear box manufacturing, in particular to a yaw gear box input structure.
Background
The yaw gear box is taken as a speed reducer and is an important component of the wind generating set, and is vertically installed and sequentially provided with an input structure, a 4-level planetary structure and an output structure from top to bottom. The prior common yaw gearbox input structure is particularly shown in figure 1 of the specification.
As can be seen from fig. 1 of the specification, the upper end of the input shaft 06 is connected with a motor shaft flat key, the lower end is connected with a first-stage sun gear 08 in an interference manner, a bearing 04 and an oil seal 07 are required to be assembled on the outer circle of the input shaft 06, and the bearing 04 also needs to be axially limited by a clamp spring 03 and a clamp spring 05; the total axial clearance of the yaw gearbox is cumulatively equal to the clearance between the primary sun gear 08 and the primary support plate 09.
In the existing structure, the bearing 04 needs to be lubricated, the oil level 01 is higher in oiling position, the input box 02 possibly needs to be increased in height in order to ensure the expansion space of oil, but the utilization rate of the expansion space is lower; the flat key connection is generally longer, the heights of the input box 02 and the input shaft 06 are higher, and the cost is more expensive; during assembly, the axial total clearance of the gear box is not easy to measure and cannot be monitored and controlled well.
Therefore, how to avoid the low utilization rate of the expansion space of the input box and the excessive processing cost is a technical problem that needs to be solved by those skilled in the art.
Disclosure of utility model
The application aims to provide a yaw gearbox input structure which can avoid the problems of low utilization rate of an expansion space of an input box body and high processing cost.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a yaw gearbox input structure for transmitting output shaft power of a motor to a gearbox, comprising:
The motor flange is arranged on the end face of an output shaft of the motor and fixedly connected with the motor, a first through hole for penetrating through the output shaft is formed in the middle of the motor flange, a sealing device is arranged in the first through hole, and a bulge is arranged in the middle of one side of the motor flange, which faces away from the motor;
The input box body is arranged on one side of the motor flange, which is away from the motor, a cavity is arranged in the input box body, and a second through hole is formed in the position corresponding to the output shaft;
The through hole primary sun wheel is connected with the output shaft, a gap is reserved between the end part, close to the motor, and the bulge, and the end part, deviating from the motor, passes through the second through hole;
The first-stage wear-resisting pad is arranged at the end part deviating from the motor and clings to the through hole first-stage sun gear.
Preferably, the through hole primary sun gear is provided with a third through hole along the axial direction of the through hole primary sun gear, and the through hole primary sun gear is sleeved on the output shaft through the third through hole and is connected with the output shaft.
Preferably, the third through hole is in interference fit with the output shaft.
Preferably, the end of the output shaft is provided with a spline.
Preferably, the through hole primary sun gear is provided with a blind hole along the axial direction of the through hole primary sun gear, a key groove is arranged in the blind hole, and the through hole primary sun gear is meshed with the spline through the key groove to be connected with the output shaft.
Preferably, a bearing sleeved on the output shaft is further installed in the first through hole.
Preferably, the sealing device is an oil seal.
Preferably, the motor flange is connected with the input box body through an outer hexagon bolt.
Preferably, a gasket is installed between the outer hexagon bolt and the motor flange.
Preferably, the motor flange is circumferentially provided with a plurality of outer hexagon bolts.
Against the background of the above, the present application provides a yaw gearbox input structure for transmitting power from an output shaft of a motor to a gearbox, comprising: the motor flange is arranged on the end face of an output shaft of the motor and fixedly connected with the motor, a first through hole for penetrating through the output shaft is formed in the middle of the motor flange, a sealing device is arranged in the first through hole, and a bulge is arranged in the middle of one side of the motor flange, which faces away from the motor; the input box body is arranged on one side, away from the motor, of the motor flange, a cavity is arranged in the input box body, and a second through hole is formed in the position corresponding to the output shaft; the through hole primary sun wheel is connected with the output shaft, a gap is reserved between the end part, close to the motor, and the bulge, and the end part, deviating from the motor, passes through the second through hole; the first-stage wear-resisting pad is arranged at the end part deviating from the motor and clings to the through hole first-stage sun gear.
Specifically, the motor flange is fixed at the terminal surface of motor output, be equipped with first through-hole in motor output shaft's position, still be equipped with the arch, the output shaft wears out from first through-hole, be used for to external transmission power, still be equipped with sealing device in first through-hole, prevent the oil in the input box from flowing into motor or the oil in the motor, the input box is the box structure that inside was equipped with the cavity, install on motor flange, the output shaft is located the input box, and the through-hole one-level sun gear has been installed on the output shaft, the through-hole one-level sun gear passes the second through-hole on the input box end cover, be used for to the transmission power of lower gear box, the one-level wear pad is hugged closely to through-hole one-level sun gear tip, do not have the clearance with the lower gear box.
That is, when the through hole primary sun gear transmits power to the lower gear box, the lower gear box is not provided with a gap, the axial gap of the through hole primary sun gear is reserved between the through hole primary sun gear and the bulge on the motor flange, and the height of the bulge can be controlled during manufacturing, so that the axial total gap of the gear box can be monitored and controlled; in addition, the arrangement reduces the parts in the input box body, increases the expansion space of the input box body, reduces the height of the whole input structure, and reduces the material and processing cost.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a prior art yaw gearbox input structure;
FIG. 2 is a schematic diagram of a yaw gearbox input structure provided by an embodiment of the present utility model;
FIG. 3 is a schematic diagram of another embodiment of a yaw gearbox input structure provided by an embodiment of the present utility model.
Wherein:
01-oil level, 02-input box, 03-jump ring, 04-bearing, 05-jump ring, 06-input shaft, 07-oil seal, 08-first-level sun gear and 09-first-level support plate;
100-motor, 110-output shaft;
200-motor flange, 210-first through hole, 220-sealing device, 230-bulge;
300-an input box body and 310-a second through hole;
400-through hole primary sun wheel, 410-third through hole;
500-first-level wear-resisting pad;
600-outer hexagonal bolt.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The present application will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present application.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the indicated positions or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 2 and 3, the present application provides a yaw gearbox input structure for transmitting power from an output shaft 110 of a motor 100 to a gearbox, comprising: the motor comprises a motor flange 220, an input box 300, a through hole primary sun gear 400 and a primary wear pad 500; the motor flange 220 is arranged on the end face of the output shaft 110 of the motor 100, is fixedly connected with the motor 100, and is provided with a first through hole 210 for penetrating through the output shaft 110 in the middle, the first through hole 210 is provided with a sealing device 220 motor flange 220, and a bulge 230 is arranged in the middle of one side of the motor flange 220, which is away from the motor 100; the input box 300 is arranged at one side of the motor flange 220, which is away from the motor 100, a cavity is arranged in the input box, and a second through hole 310 is arranged at the position corresponding to the output shaft 110; the through hole primary sun gear 400 is connected with the output shaft 110, and the end close to the motor 100 is in clearance with the bulge 230, and the end away from the motor 100 passes through the second through hole 310; the primary wear pad 500 is disposed at an end facing away from the motor 100 and is in close contact with the through-hole primary sun gear 400.
Specifically, the motor flange 220 is fixedly installed on the end face of the output end of the motor 100, a first through hole 210 is provided at a position corresponding to the output shaft 110 of the motor 100, the output shaft 110 of the motor 100 can extend from the first through hole 210, the diameter of the first through hole 210 is matched with that of the output shaft 110, and the output shaft 110 can just extend out of the first through hole 210 and simultaneously can meet the normal operation of the output shaft 110, so that the first through hole 210 can radially limit the output shaft 110 of the motor 100, and the radial deflection of the output shaft 110 of the motor 100 can be effectively prevented.
At the side of the motor flange 220 facing away from the motor 100, a protrusion 230 is disposed at the first through hole 210, the cross section of the protrusion 230 is circular, a smaller distance is provided between the protrusion 230 and the through hole primary sun gear 400, the protrusion 230 can axially position the through hole primary sun gear 400 mounted on the output shaft 110, and also is convenient for monitoring and controlling the gap value between the through hole primary sun gear 400 and the protrusion 230.
In order to prevent oil input into the case 300 from flowing into the motor 100 or oil output from the motor 100, a sealing means 220 is provided in the first through hole 210 of the motor flange 220, i.e., on the circumference of the output shaft 110.
In this embodiment, the through-hole primary sun gear 400 is mounted on the output shaft 110, the end of the through-hole primary sun gear 400 facing away from the motor 100 is provided with the primary wear pad 500, the through-hole primary sun gear 400 is tightly attached to the primary wear pad 500, and the primary wear pad 500 is attached to the next gear box, so that the axial gaps of the gear box are concentrated between the protrusions 230 and the through-hole primary sun gear 400, and the through-hole primary sun gear 400 is axially positioned.
That is, when the through-hole primary sun gear 400 transmits power to the lower gear box, and the lower gear box is free from gaps, the gaps in the axial direction of the through-hole primary sun gear 400 are reserved between the through-hole primary sun gear 400 and the protrusions 230 on the motor flange 220, and the heights of the protrusions 230 can be controlled during manufacturing, so that the total gaps in the axial direction of the gear box can be monitored and controlled; in addition, such arrangement reduces the number of parts within the input housing 300, increases the expansion space of the input housing 300, reduces the overall input structure height, and reduces material and tooling costs.
Preferably, the through-hole primary sun gear 400 is provided with a third through hole 410 along the axial direction thereof, and the through-hole primary sun gear 400 is sleeved on the output shaft 110 through the third through hole 410 and is connected with the output shaft 110.
It can be understood that, in order to facilitate the connection between the through-hole primary sun gear 400 and the output shaft 110, in this embodiment, referring to fig. 2, a third through hole 410 is disposed on the through-hole primary sun gear 400 along the axial direction of the through-hole primary sun gear 400, and the third through hole 410 may be sleeved on the through-hole primary sun gear 400. The device is simple and convenient, is easy to install, and can effectively reduce the processing difficulty and the processing cost.
Of course, other connection modes may be selected according to actual situations, so long as the desired effect can be achieved, and the connection modes are not specifically limited herein.
Preferably, the third through hole 410 is an interference fit with the output shaft 110.
It can be appreciated that, in this embodiment, the through hole primary sun gear 400 and the output shaft 110 are connected by hole and shaft matching, so, in order to enable the through hole primary sun gear 400 and the output shaft 110 to be firmly connected, the third through hole 410 and the output shaft 110 are in interference fit, that is, by means of the interference value of the shaft and the hole, elastic pressure is generated between the surfaces of the parts after assembly, so that a fastened connection is obtained, specifically, the diameter of the output shaft 110 is slightly larger than that of the third through hole 410, which is the aperture.
Preferably, the output shaft 110 is splined at its end.
Referring to fig. 2, in another embodiment of the present application, an end of the output shaft 110 facing away from the motor 100 is provided with a spline, and the spline can be engaged with the keyway to transmit power.
Preferably, the through-hole primary sun gear 400 is provided with a blind hole along the axial direction thereof, and a key groove is arranged in the blind hole, and the through-hole primary sun gear 400 is connected with the output shaft 110 by being meshed with the key groove and the spline.
It will be appreciated that in another embodiment, the end of the output shaft 110 is provided with a spline, so, in order to be able to connect with the output shaft 110 and stably transfer power to the through-hole primary sun gear 400, a blind hole is provided on the through-hole primary sun gear 400, and a key slot engaged with the spline provided on the output shaft 110 is provided in the blind hole; the connecting mode has simple structure, can transmit large moment, and is simple and convenient to install and disassemble.
It should be noted that, in the present application, two embodiments are provided for connecting the through hole primary sun gear 400 and the output shaft 110, but the present application is not limited to these two connection methods, and can be adjusted according to practical situations, so long as the desired effect can be achieved.
Preferably, a bearing sleeved on the output shaft 110 is also installed in the first through hole 210.
It will be appreciated that the output shaft 110 rotates in the first through hole 210 for outputting power, and the bearing mounted on the output shaft 110 for supporting the output shaft 110 can increase the stability of the output shaft 110 and prevent the output shaft 110 from shaking when rotating too fast.
Preferably, the sealing means 220 is an oil seal for the motor flange 220.
In particular, in the present embodiment, the motor flange 220 of the sealing device 220 is preferably an oil seal, which has a better wear resistance and can effectively prevent some infiltration or seepage.
Preferably, the motor flange 220 is coupled to the input housing 300 by means of outer hexagonal bolts 600.
Specifically, in the present embodiment, the motor flange 220 is connected with the input housing 300 by the outer hexagonal bolt 600 in cooperation with the nut, and this connection is simple and convenient, and the connection is stable.
Preferably, a gasket is installed between the outer hexagonal bolt 600 and the motor flange 220.
It can be appreciated that in order to prevent the outer hexagonal bolt 600 from being loosened when in use after being coupled with the nut, a spacer is installed between the outer hexagonal bolt 600 and the motor flange 220, so that the outer hexagonal bolt 600 can be effectively prevented from being loosened.
Preferably, the motor flange 220 is circumferentially provided with a plurality of outer hex bolts 600.
It will be appreciated that in order to secure the input housing 300 to the motor flange 220, the motor flange 220 is circumferentially provided with a plurality of outer hexagonal bolts 600 for connecting the input housing 300.
Of course, the specific number of the outer hexagonal bolts 600 may be determined according to the actual situation, and is not particularly limited herein, as long as the input housing 300 can be stably coupled.
In summary, an embodiment of the present application provides a yaw gearbox input structure, including: the motor flange 220, the input box 300, the through hole primary sun gear 400 and the primary wear pad 500 are used for radially limiting the output shaft 110 through the first through hole 210 arranged on the motor flange 220, the through hole primary sun gear 400 is axially positioned through the bulge 230 arranged on the motor flange 220, one end of the through hole primary sun gear 400, which is far away from the motor 100, is clung to the primary wear pad 500, the primary wear pad 500 is clung to the lower gear box, and the axial gaps of the through hole primary sun gear 400 are concentrated in the gaps between the bulge 230 and the through hole primary sun gear 400 in such a way, so that the axial total gap value of the through hole primary sun gear 400 can be more conveniently monitored and controlled; in this way, the number of parts within the input housing 300 is reduced, the utilization of the expansion space within the input housing 300 is increased, the height of the overall input structure is reduced, and the materials and tooling costs are reduced.
It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The embodiments of the present utility model have been described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. A yaw gearbox input structure for transmitting power from an output shaft (110) (110) of a motor (100) to a gearbox, comprising:
The motor flange (200) is arranged on the end face of an output shaft (110) of the motor (100), is fixedly connected with the motor (100), and is provided with a first through hole (210) which is used for penetrating through the output shaft (110), the first through hole is provided with a sealing device (220), and a bulge (230) is arranged in the middle of one side of the motor flange (200) which is away from the motor (100);
the input box body (300) is arranged on one side, away from the motor (100), of the motor flange (200), a cavity is arranged in the input box body, and a second through hole (310) is formed in the position corresponding to the output shaft (110);
The through hole primary sun gear (400) is connected with the output shaft (110), and the end part close to the motor (100) is in clearance with the bulge (230), and the end part away from the motor (100) passes through the second through hole (310);
The first-stage wear-resistant pad (500) is arranged at the end part deviating from the motor (100) and is clung to the through hole first-stage sun gear (400).
2. The yaw-gearbox input structure according to claim 1, wherein the through-hole primary sun gear (400) is provided with a third through hole (410) along the axial direction thereof, and the through-hole primary sun gear (400) is sleeved on the output shaft (110) through the third through hole (410) and is connected with the output shaft (110).
3. The yaw gearbox input structure of claim 2, wherein the third through hole (410) is an interference fit with the output shaft (110).
4. A yaw gearbox input structure according to claim 1, wherein the output shaft (110) is splined at the end.
5. The yaw gearbox input structure of claim 4, wherein the through-hole primary sun gear (400) is provided with a blind hole along an axial direction thereof, and a key groove is provided in the blind hole, and the through-hole primary sun gear (400) is connected with the output shaft (110) by being engaged with the spline through the key groove.
6. The yaw gearbox input structure of claim 1, wherein a bearing sleeved on the output shaft (110) is further installed in the first through hole (210).
7. The yaw gearbox input structure of claim 1, wherein the sealing means (220) is an oil seal.
8. The yaw gearbox input structure of any one of claims 1 to 7, wherein the motor flange (200) is connected to the input housing (300) by means of an outer hexagonal bolt (600).
9. The yaw gearbox input structure of claim 8, wherein a spacer is mounted between the outer hex bolts (600) and the motor flange (200).
10. The yaw gearbox input structure of claim 9, wherein the motor flange (200) is circumferentially provided with a number of the outer hex bolts (600).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322998251.0U CN220956692U (en) | 2023-11-07 | 2023-11-07 | Yaw gearbox input structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322998251.0U CN220956692U (en) | 2023-11-07 | 2023-11-07 | Yaw gearbox input structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220956692U true CN220956692U (en) | 2024-05-14 |
Family
ID=90976968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322998251.0U Active CN220956692U (en) | 2023-11-07 | 2023-11-07 | Yaw gearbox input structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220956692U (en) |
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2023
- 2023-11-07 CN CN202322998251.0U patent/CN220956692U/en active Active
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