Search

CN-121995212-A - Highly integrated semi-direct-drive wind driven generator test device and application method thereof

CN121995212ACN 121995212 ACN121995212 ACN 121995212ACN-121995212-A

Abstract

The application relates to a highly integrated semi-direct-drive wind driven generator test device which comprises a wind driven generator, a main body test end cover fixedly connected with the generator shell, a transmission assembly connected with the test end cover and the generator rotor and used for transmitting rotation of the generator rotor, and supporting feet arranged at the bottom of the wind driven generator main body and fixed with the bottom of the test end cover in position and used for supporting the wind driven generator main body, wherein the generator stator is arranged in the shell and fixed with the shell, and the generator rotor is rotatably arranged in the generator stator. The application has the advantages of simplifying the structure of the test device and facilitating the test of the highly integrated semi-direct-drive wind driven generator.

Inventors

  • YANG JIAN
  • ZHOU BIN
  • LIU QINGFA

Assignees

  • 江苏中车电机有限公司

Dates

Publication Date
20260508
Application Date
20251231

Claims (10)

  1. 1. The utility model provides a half direct-drive wind-driven generator test device of high integration, includes wind-driven generator main part (1), wind-driven generator main part (1) include casing (11), install in casing (11) and with casing (11) fixed generator stator (12) and rotatory generator rotor (13) of installing in generator stator (12), its characterized in that still includes: the test end cover (2) is fixedly connected with the generator shell (11); the transmission assembly (3) is connected with the test end cover (2) and the generator rotor (13) and is used for transmitting the rotation of the generator rotor (13); The supporting legs (4) are arranged at the bottom of the wind driven generator main body (1) and are fixed with the bottom of the test end cover (2) in position, so that the wind driven generator main body (1) is supported.
  2. 2. A highly integrated semi-direct drive wind turbine test device according to claim 1, wherein the transmission assembly (3) comprises a test shaft system (31) and a transition flange (38), one side of the transition flange (38) is fixed with the test shaft system (31), the other side of the transition flange is fixed with the generator rotor (13), and one end of the test shaft system (31) away from the transition flange (38) is connected with the test end cover (2).
  3. 3. The highly integrated half-direct-drive wind turbine test device of claim 2, wherein the test shafting (31) comprises a drive ring (37) and a support ring (32) sleeved outside the drive ring (37), the drive ring (37) is rotatably installed in the support ring (32), the drive ring (37) is fixedly connected with the transition flange, and the support ring (32) is fixedly connected with the test end cover (2).
  4. 4. The highly integrated half-direct-drive wind turbine test device of claim 2, wherein the test shafting (31) further comprises bearings (325) arranged between the transmission ring (37) and the support ring (32), the bearings (325) are arranged on two sides of the support ring (32), the outer wall of the bearings (325) is attached to the inner wall of the support ring (32), and the inner wall is attached to the outer wall of the transmission ring (37).
  5. 5. The highly integrated half-direct-drive wind driven generator test device according to claim 2, wherein the transmission assembly (3) further comprises lubricating oil, the lubricating oil is filled between the support ring (32) and the transmission ring (37), an oil drain hole (327) for draining oil is formed in the bottom of the support ring (32), and an oil filling hole (326) for filling oil is formed in the top of the support ring (32).
  6. 6. A highly integrated half-direct-drive wind turbine test apparatus as claimed in claim 2, wherein the transition flange (38) is fixedly connected directly to the connection flange (14).
  7. 7. The highly integrated half-direct-drive wind turbine test device of claim 2, wherein a connecting portion (381) is fixedly arranged on one side, facing the generator rotor (13), of the transition flange (38), a plurality of positioning through holes (382) are uniformly formed in the connecting portion (381) in a circumferential direction at intervals, a connecting flange (14) is arranged on the inner wall of the generator rotor (13), a fixing through hole (141) corresponding to the positioning through hole (382) is formed in the connecting flange (14), a positioning column (384) is arranged in the positioning through hole (382), and the positioning column (384) slides through the fixing through hole (141).
  8. 8. The highly integrated half-direct-drive wind turbine test device according to claim 2, wherein a plurality of positioning protrusions (383) are uniformly arranged on the outer wall of the connecting portion (381) at intervals in the circumferential direction, a clamping groove (142) for clamping the connecting portion (381) in is formed in the side wall of the connecting flange (14), and a positioning groove corresponding to the positioning protrusions (383) is formed in the inner wall of the clamping groove (142).
  9. 9. The highly integrated half-direct-drive wind turbine test device according to claim 1, wherein the side walls of the supporting legs (4) are provided with connecting parts (381) at intervals along the height direction, and a connecting plate (43) for connecting the two connecting parts (381) is arranged between the two supporting legs (4).
  10. 10. The application method of the highly integrated semi-direct-drive wind driven generator test device is characterized by comprising the following steps of: The method comprises the steps of preparing for work, hoisting and placing supporting feet (4) on two sides of the ground according to the whole length of a wind driven generator after the test device is installed, installing hanging rings on a wind driven generator main body (1), and horizontally placing the test device on the ground; s1, horizontally hoisting a wind driven generator by using hoisting tools such as a crown block and the like, and enabling a connecting flange on the wind driven generator to correspond to a transition flange on a test shafting (31); S2, after the connecting flange (14) is corresponding to the transition flange (38), locking the connecting flange (14) and the transition flange (38) by using bolts; S3, lifting the locked test device and the wind driven generator integrally by using lifting devices such as a crown block and the like; S4, placing the hoisted test device and the wind driven generator main body (1) on the supporting legs (4), and respectively fixing the supporting legs (4) on two sides, the wind driven generator main body (1) and the test end cover (2) by using bolts; s5, electrifying the wind driven generator to enable the wind driven generator to rotate, and driving a test shafting (31) on the test device to rotate, so that detection of various parameters of the wind driven generator is achieved.

Description

Highly integrated semi-direct-drive wind driven generator test device and application method thereof Technical Field The application relates to the field of wind driven generators, in particular to a highly integrated semi-direct-drive wind driven generator test device and a use method thereof. Background The semi-direct-drive generator is taken as an important part in the field of wind driven generators, and the performance of the semi-direct-drive generator directly influences the stability and the power generation efficiency of a power generation system. Before the semi-direct-drive generator leaves the factory, a comprehensive and strict test is needed to ensure that each performance index of the semi-direct-drive generator meets the use requirement. However, the existing semi-direct-drive generator delivery test method has a plurality of problems. On one hand, due to the design of no foundation and no bearing of the highly integrated semi-direct-drive wind driven generator, the highly integrated semi-direct-drive wind driven generator cannot realize the rotation of a rotor under the condition of not being matched with a gear box, and the gear box is complicated in parts, so that the assembly and disassembly procedures of a single motor test are complicated, the workload is large, and the requirement of high-efficiency test of batch motors is difficult to adapt; On the other hand, because the gearbox is large in length and high in weight, in the vertical installation process between the highly integrated semi-direct-drive wind driven generator and the gearbox, operations such as turning over and lifting of the gearbox are strictly required for the height of a workshop, the bearing capacity of an overhead travelling crane and a special lifting tool. The existing test method is complex in equipment and high in cost, and the test flow is complex, so that the production cost of enterprises is increased, the production period of the generator is prolonged, and the production efficiency is reduced. Disclosure of Invention In order to simplify the structure of the test device, improve the test efficiency of the highly integrated half-direct-drive wind driven generator and reduce the test cost of the highly integrated half-direct-drive wind driven generator, the application provides the highly integrated half-direct-drive wind driven generator test device. The technical proposal is adopted as follows, The wind driven generator comprises a wind driven generator body, a main body test end cover, a transmission assembly and supporting legs, wherein the wind driven generator body comprises a shell, a generator stator and a generator rotor, the generator stator is installed in the shell and fixed with the shell, the generator rotor is rotatably installed in the generator stator, the main body test end cover is fixedly connected with the generator shell, the transmission assembly is connected with the test end cover and the generator rotor and used for transmitting rotation of the generator rotor, and the supporting legs are arranged at the bottom of the wind driven generator body and fixed with the bottom of the test end cover to provide support for the wind driven generator body. Optionally, the transmission assembly includes test shafting and transition flange, one side of transition flange is fixed with test shafting, and the opposite side is fixed with the generator rotor, test shafting deviate from the one end of transition flange with test end cover is connected. Optionally, the test shafting includes driving ring and the support ring of cover locating the driving ring outside, the driving ring rotatory install in the support ring, the driving ring with transition flange fixed connection, the support ring with test end cover fixed connection. Optionally, the test shafting further comprises bearings arranged between the transmission ring and the supporting ring, the bearings are arranged on two sides of the supporting ring, the outer wall of each bearing is attached to the inner wall of the supporting ring, and the inner wall of each bearing is attached to the outer wall of the transmission ring. Optionally, the transmission assembly further comprises lubricating oil, the lubricating oil is filled between the supporting ring and the transmission ring, an oil drain hole for draining oil is formed in the bottom of the supporting ring, and an oil drain hole for injecting oil is formed in the top of the supporting ring. Optionally, a connecting portion is fixedly installed on one side of the transition flange, which faces the generator rotor, a plurality of positioning through holes are uniformly spaced on the connecting portion in a circumferential direction, a connecting flange is arranged on the inner wall of the generator rotor, a fixing through hole corresponding to the positioning through hole is formed in the connecting flange, a positioning column is arranged in the positioning through hole, and the positio