CN210423674U - Planet carrier and main shaft connecting structure of wind power gear box - Google Patents
Planet carrier and main shaft connecting structure of wind power gear box Download PDFInfo
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- CN210423674U CN210423674U CN201920949971.9U CN201920949971U CN210423674U CN 210423674 U CN210423674 U CN 210423674U CN 201920949971 U CN201920949971 U CN 201920949971U CN 210423674 U CN210423674 U CN 210423674U
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- main shaft
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- disc
- inner sleeve
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Abstract
The utility model discloses a planet carrier and main shaft connection structure of wind-powered electricity generation gear box, include: the device comprises a planet carrier, a main shaft, an inner sleeve and a locking disc for locking the main shaft and the planet carrier; the planet carrier is provided with a hollow shaft part; the locking disc is arranged on the periphery of the hollow shaft part; the locking disk includes: the inner disc, the outer disc and a plurality of bolts for adjusting the relative positions of the outer disc and the inner disc; the main shaft is inserted into the hollow shaft part; the inner disc is sleeved on the periphery of the main shaft; the inner disc is positioned on the outer periphery of the part of the hollow shaft part inserted by the main shaft; the main shaft is provided with a hollow through hole; the inner sleeve is inserted into the hollow through hole in an interference manner; the inner wall surface of the hollow through hole includes: a first contact surface; the outer wall surface of the inner sleeve comprises: and the second contact surface is attached to the first contact surface. The utility model discloses a planet carrier and main shaft connection structure of wind-powered electricity generation gear box can improve the biography of locking dish and turn round the ability.
Description
Technical Field
The utility model relates to a planet carrier and main shaft connection structure of wind-powered electricity generation gear box.
Background
At present, a wind power gear box is generally used for tightly connecting a low-speed-level planet carrier with a main shaft through a locking disc device. When the external load is large, the parameters of the inner disk and the outer disk of the contraction disk need to be redesigned to realize the transmission of the large load.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that prior art exists, the utility model provides a planet carrier and main shaft connection structure of wind-powered electricity generation gear box through setting up the endotheca, promotes the bearing capacity of locking dish, improves the main shaft utilization ratio.
In order to achieve the above object, the utility model adopts the following scheme:
a planet carrier and main shaft connecting structure of a wind power gear box comprises: the device comprises a planet carrier, a main shaft, an inner sleeve and a locking disc for locking the main shaft and the planet carrier; the planet carrier is provided with a hollow shaft part; the locking disc is arranged on the periphery of the hollow shaft part; the locking disk includes: the inner disc, the outer disc and a plurality of bolts for adjusting the relative positions of the outer disc and the inner disc; the main shaft is inserted into the hollow shaft part; the inner disc is sleeved on the periphery of the main shaft; the inner disc is positioned on the outer periphery of the part of the hollow shaft part inserted by the main shaft; the main shaft is provided with a hollow through hole; the inner sleeve is inserted into the hollow through hole in an interference manner; the inner wall surface of the hollow through hole includes: a first contact surface; the outer wall surface of the inner sleeve comprises: and the second contact surface is attached to the first contact surface.
Further, the inner sleeve is provided with a central through hole; the central through hole and the hollow through hole are coaxial.
Furthermore, the planet carrier, the main shaft, the inner sleeve and the locking disc are coaxially arranged.
Further, in the axial direction of the main shaft, the length of the inner sleeve in the hollow through hole is more than or equal to 0.5 time of the length of the hollow shaft part clamped by the locking disc.
Further, the first contact surface and the second contact surface are cylindrical surfaces.
Furthermore, one end of the inner sleeve is provided with a positioning ring which is in contact with the end surface of the main shaft to limit the position of the inner sleeve relative to the main shaft.
Further, the first contact surface and the second contact surface are conical surfaces.
Furthermore, the insertion direction of the main shaft inserted into the planet carrier is opposite to the insertion direction of the inner sleeve inserted into the main shaft.
The utility model discloses an useful part lies in, sets up the endotheca and increases the main shaft pretightning force and prevent that the locking dish is not hard up, promotes the biography of locking dish and turns round the ability. Compare the main shaft of traditional design, thereby can reduce main shaft wall thickness and alleviate main shaft weight, promote material utilization.
Drawings
Fig. 1 is a schematic view of a connection structure of a planet carrier and a main shaft of a wind power gear box according to an embodiment of the present invention;
fig. 2 is a schematic view of a planet carrier and main shaft connection structure of a wind power gear box as another embodiment of the present invention.
The planet carrier and main shaft connecting structure (10, 10 a), the planet carrier (1, 1 a), the hollow shaft part (11, 11 a), the main shaft (2, 2 a), the hollow through hole (21, 21 a), the inner sleeve (3, 3 a), the central through hole (31, 31 a), the locking disc (4, 4 a), the inner disc (41, 41 a), the outer disc (42, 42 a) and the bolt (43, 43 a) of the wind power gear box.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As a first embodiment of the present invention, as shown in fig. 1, a planet carrier and main shaft connecting structure 10 of a wind power gear box includes: planet carrier 1, main shaft 2, endotheca 3 and locking dish 4. The locking disk 4 is used for locking the main shaft 2 and the planet carrier 1.
The carrier 1 is formed with a hollow shaft portion 11. The locking disc 4 is mounted on the outer periphery of the hollow shaft portion 11. The locking disk 4 comprises: an inner disc 41, an outer disc 42 and a number of bolts 43 for adjusting the relative position of the outer and inner discs. The spindle 2 is inserted into the hollow shaft portion 11. The inner disk 41 is fitted around the outer periphery of the main shaft 2. The inner disk 41 is located on the outer periphery of the portion of the hollow shaft portion 11 into which the spindle 2 is inserted. The locking disc 4, the hollow shaft part 11, the main shaft 2 and the inner sleeve 3 are sequentially sleeved. The planet carrier 1, the main shaft 2, the inner sleeve 3 and the locking disc 4 are coaxially arranged.
The spindle 2 is formed with a hollow through hole 21. The inner sleeve 3 is inserted into the hollow through hole 21 in an interference manner. The inner wall surface of the hollow through-hole 21 includes: a first contact surface. The outer wall surface of the inner sleeve 3 includes: and the second contact surface is attached to the first contact surface.
Specifically, the inner sleeve 3 is formed with a central through hole 31. The central through hole 31 and the hollow through hole 21 are coaxial.
In the axial direction of the main shaft 2, the length of the inner sleeve 3 in the hollow through hole 21 is greater than or equal to 0.5 times the length of the locking disc 4 clamping the hollow shaft part 11. The insertion direction of the main shaft 2 to the planet carrier 1 is opposite to the insertion direction of the inner sleeve 3 to the main shaft 2.
In a preferred embodiment, the first contact surface and the second contact surface are cylindrical surfaces. Specifically, one end of the inner sleeve 3 is provided with a positioning ring that is in contact with the end surface of the main shaft 2 to define the position of the inner sleeve 3 with respect to the main shaft 2.
As a second embodiment of the present invention, as shown in fig. 2, a planet carrier and main shaft connecting structure 10a of a wind power gear box includes: planet carrier 1a, main shaft 2a, inner sleeve 3a and locking disk 4 a. The lock disk 4a is used for locking the main shaft 2a and the planet carrier 1 a.
The carrier 1a is formed with a hollow shaft portion 11 a. The locking disk 4a is mounted on the outer periphery of the hollow shaft portion 11 a. The locking disk 4a includes: an inner disc 41a, an outer disc 42a and a number of bolts 43a for adjusting the relative position of the outer and inner discs. The main shaft 2a is inserted into the hollow shaft portion 11 a. The inner disk 41a is fitted around the outer periphery of the main shaft 2 a. The inner disk 41a is located on the outer periphery of the portion of the hollow shaft portion 11a into which the spindle 2a is inserted. The locking disk 4a, the hollow shaft part 11a, the main shaft 2a and the inner sleeve 3a are sleeved in sequence. The planet carrier 1a, the main shaft 2a, the inner sleeve 3a and the locking disc 4a are coaxially arranged.
The main shaft 2a is formed with a hollow through hole 21 a. The inner sleeve 3a is inserted into the hollow through hole 21a in an interference fit manner. The inner wall surface of the hollow through hole 21a includes: a first contact surface. The outer wall surface of the inner case 3a includes: and the second contact surface is attached to the first contact surface.
Specifically, the inner sleeve 3a is formed with a central through hole 31 a. The central through hole 31a and the hollow through hole 21a are coaxial.
In the axial direction of the main shaft 2a, the length of the inner sleeve 3a in the hollow through hole 21a is equal to or greater than 0.5 times the length of the hollow shaft portion 11a clamped by the locking disk 4 a. The direction in which the main shaft 2a is inserted into the carrier 1a is opposite to the direction in which the inner sleeve 3a is inserted into the main shaft 2 a.
As a specific embodiment, the first contact surface and the second contact surface are conical surfaces.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a planet carrier and main shaft connection structure of wind-powered electricity generation gear box which characterized in that includes: the device comprises a planet carrier, a main shaft, an inner sleeve and a locking disc for locking the main shaft and the planet carrier; the planet carrier is provided with a hollow shaft part; the locking disc is arranged on the periphery of the hollow shaft part; the locking disk includes: the inner disc, the outer disc and a plurality of bolts used for adjusting the relative positions of the outer disc and the inner disc; the main shaft is inserted into the hollow shaft part; the inner disc is sleeved on the periphery of the main shaft; the inner disk is located on the outer periphery of a portion of the hollow shaft portion into which the spindle is inserted; the main shaft is provided with a hollow through hole; the inner sleeve is inserted into the hollow through hole in an interference manner; the inner wall surface of the hollow through hole includes: a first contact surface; the outer wall surface of the inner sleeve comprises: and the second contact surface is attached to the first contact surface.
2. The planet carrier and main shaft connecting structure of a wind power gearbox according to claim 1,
the inner sleeve is provided with a central through hole; the central through hole and the hollow through hole are coaxial.
3. The planet carrier and main shaft connecting structure of a wind power gearbox according to claim 1,
the planet carrier, the main shaft, the inner sleeve and the locking disc are coaxially arranged.
4. The planet carrier and main shaft connecting structure of a wind power gearbox according to claim 1,
in the axial direction of the main shaft, the length of the inner sleeve in the hollow through hole is more than or equal to 0.5 time of the length of the locking disc clamping the hollow shaft part.
5. The planet carrier and main shaft connecting structure of a wind power gearbox according to claim 1,
the first contact surface and the second contact surface are cylindrical surfaces.
6. The planet carrier and main shaft connecting structure of wind power gearbox according to claim 5,
one end of the inner sleeve is provided with a positioning ring which is in contact with the end face of the main shaft to limit the position of the inner sleeve relative to the main shaft.
7. The planet carrier and main shaft connecting structure of a wind power gearbox according to claim 1,
the first contact surface and the second contact surface are conical surfaces.
8. The planet carrier and main shaft connecting structure of a wind power gearbox according to claim 1,
the insertion direction of the main shaft inserted into the planet carrier is opposite to the insertion direction of the inner sleeve inserted into the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920949971.9U CN210423674U (en) | 2019-06-24 | 2019-06-24 | Planet carrier and main shaft connecting structure of wind power gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920949971.9U CN210423674U (en) | 2019-06-24 | 2019-06-24 | Planet carrier and main shaft connecting structure of wind power gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210423674U true CN210423674U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920949971.9U Active CN210423674U (en) | 2019-06-24 | 2019-06-24 | Planet carrier and main shaft connecting structure of wind power gear box |
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| CN (1) | CN210423674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185782A (en) * | 2019-06-24 | 2019-08-30 | 南京高速齿轮制造有限公司 | The planet carrier and main shaft connection structure of wind turbine gearbox |
-
2019
- 2019-06-24 CN CN201920949971.9U patent/CN210423674U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185782A (en) * | 2019-06-24 | 2019-08-30 | 南京高速齿轮制造有限公司 | The planet carrier and main shaft connection structure of wind turbine gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200509 Address after: 211103 No.30, Houjiao Road, gaoxinyuan, Jiangning District, Nanjing City, Jiangsu Province Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230207 Granted publication date: 20200428 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230327 Granted publication date: 20200428 |
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| PD01 | Discharge of preservation of patent |