CN211082153U - Horizontal overturning experiment table for large direct-drive permanent magnet wind driven generator - Google Patents
Horizontal overturning experiment table for large direct-drive permanent magnet wind driven generator Download PDFInfo
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- CN211082153U CN211082153U CN201921306123.2U CN201921306123U CN211082153U CN 211082153 U CN211082153 U CN 211082153U CN 201921306123 U CN201921306123 U CN 201921306123U CN 211082153 U CN211082153 U CN 211082153U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a horizontal overturning experiment table of a large direct-drive permanent magnet wind driven generator, which comprises a platform foundation frame and two supporting seats, wherein the two supporting seats are respectively connected with the two ends of the platform foundation frame through bolts, and locking bolt mounting holes are arranged on the supporting seats; the two rotating arms are respectively rotatably connected with the two supporting seats through rotating mechanisms; the rotary arms are provided with conical pin holes, two ends of the platform are respectively connected with the two rotary arms, and the platform is provided with a connecting flange; the two sets of transmission mechanisms are respectively connected with the two rotating arms and used for driving the rotating arms to rotate, and the rotating arms rotate to drive the platform to rotate. The position of the locking bolt mounting hole corresponds to the position of the conical pin hole in the rotating arm after the platform is turned over, and the length of the locking bolt can meet the requirement of completely passing through the supporting seat and being inserted into the pin hole of the rotating arm. Through reasonable and reliable structural design, the reliability of the generator dragging experiment after the generator is overturned is ensured.
Description
Technical Field
The utility model is suitable for a large-scale permanent magnet wind power generator's that directly drives automation upset and the experiment of dragging after the upset, this frock have automatic upset, stability high, can simulate advantages such as running state on the wind power generator tower.
Background
At present, a factory experiment of a large direct-drive permanent magnet wind generating set can only be a simple flat dragging experiment, the state of a generator is greatly different from the operation state of a generator on a tower, the operation state on the tower cannot be simulated to carry out the experiment of the generator, partial problems of the generator are exposed after the generator is mounted on the tower, and finally the fault of the generator is caused. The experiment table capable of simulating the operation state of the generator tower can be designed, the experiment table has overturning capacity, the generator can be enabled to be close to the operation state of the generator tower through overturning, and the factory experiment of the generator can be carried out in the state.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a horizontal upset laboratory bench of large-scale permanent magnet wind power generator that directly drives of state operation on simulation tower.
According to the utility model discloses an aspect provides a horizontal upset laboratory bench of large-scale permanent magnet wind power generator that directly drives, include:
a platform foundation frame;
the two supporting seats are respectively connected with two ends of the platform foundation frame through bolts, and locking bolt mounting holes are formed in the supporting seats;
the two rotating arms are respectively and rotatably connected with the two supporting seats through rotating mechanisms; the rotating arm is provided with a conical pin hole,
the two ends of the platform are respectively connected with the two rotating arms, and a connecting flange is arranged on the platform;
and the two sets of transmission mechanisms are respectively connected with the two rotating arms and used for driving the rotating arms to rotate, and the rotating arms rotate to drive the platform to rotate.
And the locking bolt mounting hole corresponds to the position of the conical pin hole in the rotating arm after the platform is turned over, and the length of the locking bolt can meet the requirement that the locking bolt completely passes through the supporting seat and is inserted into the pin hole of the rotating arm.
In some embodiments, the rotating mechanism includes a bearing seat, a deep groove ball bearing and a rotating shaft, the bearing seat is connected to the supporting seat, the deep groove ball bearing is mounted on the bearing seat through the rotating shaft, and the rotating shaft is connected to the rotating arm.
In some embodiments, the material of the rotating shaft is high-strength structural steel, and the inner diameter of the bearing is greater than 100 mm.
In some embodiments, the transmission mechanism comprises a driving device and a transmission device, the driving device is connected with the transmission device, the transmission device is connected with the rotating arm,
the driving device is driven by hydraulic pressure or electric power,
the transmission device is a gear transmission device or a chain transmission device or a push rod.
In some embodiments, the device further comprises a controller which is connected with the two sets of transmission mechanisms.
In some embodiments, the width of the support base is no greater than the platform base frame width.
In some embodiments, the deadbolt is a tapered pin.
The beneficial effects are as follows: the utility model discloses a horizontal upset test bench of large-scale permanent magnet wind power generator has realized the state conversion of generator through parts such as drive mechanism, rotary mechanism, with the generator from the post-assembly state conversion to the generator tower on the running state, has simulated the tower of generator and has gone up the operating mode. The problem that the existing generator dragging test cannot simulate the working state on a generator tower is solved through automatic rotation of the mechanism. Through reasonable and reliable structural design, the reliability of the generator dragging experiment after the generator is overturned is ensured, and the safety of the generator experiment process is improved through multiple protection devices such as locking bolts and self-locking mechanisms. The key working step of the generator dragging experiment can be more consistent with the actual operation working condition, and the defects of checking and product improvement can be more easily realized in a factory through an experiment means.
Drawings
Fig. 1 is a schematic structural diagram of a horizontal turnover test bed of a large direct-drive permanent magnet wind turbine according to an embodiment of the present invention.
In the figure: 1. the device comprises a connecting flange, 2. a platform, 3. a rotating arm, 4. a transmission mechanism, 5. a rotating mechanism, 6. a supporting seat, 7. a locking bolt and 8. a platform base frame.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Fig. 1 schematically shows a large permanent magnet wind turbine overturning experimental table according to an embodiment of the present invention. As shown in fig. 1, the overturning experiment table for the large permanent magnet wind driven generator comprises a connecting flange 1, a platform 2, a rotating arm 3, a transmission mechanism 4, a rotating mechanism 5, a supporting seat 6, a locking bolt 7 and a platform foundation frame 8.
Two supporting seats 6 are arranged. The two supporting seats 6 are respectively connected with two ends of the platform foundation frame 8 through bolts. The width of the supporting seat 6 is not more than that of the platform base frame 8. The platform base frame 8 is fixed to the ground by chemical bolts. The length direction of the platform foundation frame 8 is less than 12 m. The platform foundation frame 8 is formed by welding high-quality structural steel. The platform foundation frame 8 has a certain shock resistance after being connected with the ground. And hoisting process holes are formed in the platform foundation frame 8 and can meet the hoisting requirements of the platform 2. The supporting seat 6 is fixedly connected with the platform foundation frame 8 through bolts. The supporting seat 6 is provided with a mounting hole of a locking bolt 7, and the position of the mounting hole of the locking bolt corresponds to the position of a conical pin hole on the rotating arm 3 after the platform 2 turns over. The dead bolt 7 is a tapered pin. The outer diameter of the dead bolt 7 is not less than 150 mm. The length of the dead bolt 7 is such that it passes completely through the support 6 and is inserted into the pin hole of the pivot arm 3. The locking bolt 7 is formed by processing No. 45 steel after heat treatment, and the locking bolt 7 can be locked or withdrawn manually, electrically, hydraulically and the like. The anti-shearing force of the locking bolt 7 is larger than the force generated by the generator in the experimental process, and the safety factor is not less than 2. Two rotating arms 3 are provided. The two rotating arms 3 are respectively rotatably connected with the two supporting seats 6 through the rotating mechanism 5. The rotating arm 3 is welded by high-strength structural steel and is subjected to heat treatment. The rotating arm 3 is connected with the rotating mechanism 5 through a rotating shaft. A conical pin hole is reserved on the rotating arm 3 and is matched with the locking bolt 7. The rotating arm 3 and the platform 2 are fixed through bolts, so that later maintenance is facilitated. The rotating mechanism 5 comprises a bearing seat, a deep groove ball bearing and a rotating shaft. The bearing seat is connected with the supporting seat 6. The deep groove ball bearing is installed on the bearing seat through a rotating shaft. The rotating shaft is connected with the rotating arm 3. The material of pivot is high strength structure steel, the bearing internal diameter is greater than 100 mm. Two ends of the platform 2 are respectively connected with the two rotating arms 3. The length of the platform 2 is greater than the maximum outer diameter of the generator. The platform 2 is reserved with bolt holes for fixing the connecting flange 1. The attachment flange 1 is mounted on the platform 2 by means of bolt holes. The platform 2 is made of high-strength structural steel or other materials meeting the bearing requirements. And the platform 2 is provided with a connecting flange 1. The connecting surface of the connecting flange 1 can be matched and fixed with the generator dead axle flange. The height of the connecting flange 1 can ensure that the center of gravity of the assembled motor is near the central shaft of the rotating mechanism 5, so that rollover in the overturning process is prevented. The conveying mechanism is provided with two sets, and two sets of transmission mechanisms 4 are respectively connected with the two rotating arms 3 and used for driving the rotating arms 3 to rotate, and the rotating arms 3 rotate to drive the platform 2 to rotate. The transmission mechanism 4 includes a driving device and a transmission device. The driving device is connected with the transmission device, the transmission device is connected with the rotating arm 3, and the driving device provides power and drives the rotating arm 3 to rotate through the transmission device. In particular, the drive means is hydraulically or electrically driven. The transmission device is a gear transmission device or a chain transmission device or a push rod. The overturning experiment table of the large permanent magnet wind driven generator also comprises a controller which is connected with the two sets of transmission mechanisms 4. The transmission mechanism 4 has a self-locking function.
After the generator is assembled, the generator is hoisted to the connecting flange 1 corresponding to the generator type by using the crane and is fixed by using bolts, the connecting flange 1 is fixed on the surface of the platform 2 by using the bolts through the bolts, and the plane of the connecting flange 1 is in a horizontal state at the moment. After the connection is confirmed, the transmission mechanism 4 is started, the platform 2 and the rotating arm 3 are driven by the transmission mechanism 4 to rotate to a specified angle through the rotating mechanism 5, the plane of the connecting flange 1 is in a vertical state at the moment, and then the locking bolt 7 is inserted into the pin hole of the rotating arm 3 to be fixed. Connect generator cable and converter lead-out wire, start the converter after confirming the readiness, begin to carry out the experiment of dragging of generator, the experimental item goes on according to the experimental standard, keeps the state after the generator upset among the experimentation. And after the experiment is finished, the power supply of the frequency converter is disconnected, the locking bolt 7 is unlocked, the transmission mechanism 4 is started, the generator is rotated to the installation state, then the bolt of the generator and the connecting flange 1 is removed, and the generator is lifted away.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (7)
1. The utility model provides a horizontal upset laboratory bench of large-scale permanent magnet wind power generator that directly drives which characterized in that includes:
a platform foundation frame;
the two supporting seats are respectively connected with two ends of the platform foundation frame through bolts, and locking bolt mounting holes are formed in the supporting seats;
the two rotating arms are respectively and rotatably connected with the two supporting seats through rotating mechanisms; the rotating arm is provided with a conical pin hole,
the two ends of the platform are respectively connected with the two rotating arms, and a connecting flange is arranged on the platform;
the two sets of transmission mechanisms are respectively connected with the two rotating arms and are used for driving the rotating arms to rotate, and the rotation of the rotating arms drives the platform to rotate;
and the locking bolt mounting hole corresponds to the position of the conical pin hole in the rotating arm after the platform is turned over, and the length of the locking bolt can meet the requirement that the locking bolt completely passes through the supporting seat and is inserted into the pin hole of the rotating arm.
2. The horizontal overturning experiment table for the large direct-drive permanent magnet wind power generator as claimed in claim 1, wherein the rotating mechanism comprises a bearing seat, a deep groove ball bearing and a rotating shaft, the bearing seat is connected with the supporting seat, the deep groove ball bearing is mounted on the bearing seat through the rotating shaft, and the rotating shaft is connected with the rotating arm.
3. The horizontal overturning experiment table for the large direct-drive permanent magnet wind power generator according to claim 2, wherein the rotating shaft is made of high-strength structural steel, and the inner diameter of the bearing is larger than 100 mm.
4. The horizontal overturning experiment table for the large direct-drive permanent magnet wind power generator according to claim 1, wherein the transmission mechanism comprises a driving device and a transmission device, the driving device is connected with the transmission device, the transmission device is connected with the rotating arm,
the driving device is driven by hydraulic pressure or electric power,
the transmission device is a gear transmission device or a chain transmission device or a push rod.
5. The horizontal overturning experiment table for the large direct-drive permanent magnet wind power generator according to claim 4, further comprising a controller which is connected with the two sets of transmission mechanisms simultaneously.
6. The horizontal overturning experiment table for the large direct-drive permanent magnet wind turbine generator according to claim 1, wherein the width of the supporting seat is not more than that of the platform foundation frame.
7. The horizontal overturning experiment table for the large direct-drive permanent magnet wind turbine generator according to claim 1, wherein the locking bolt is a tapered pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306123.2U CN211082153U (en) | 2019-08-13 | 2019-08-13 | Horizontal overturning experiment table for large direct-drive permanent magnet wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306123.2U CN211082153U (en) | 2019-08-13 | 2019-08-13 | Horizontal overturning experiment table for large direct-drive permanent magnet wind driven generator |
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| Publication Number | Publication Date |
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| CN211082153U true CN211082153U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921306123.2U Active CN211082153U (en) | 2019-08-13 | 2019-08-13 | Horizontal overturning experiment table for large direct-drive permanent magnet wind driven generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454333A (en) * | 2019-08-13 | 2019-11-15 | 江苏中车电机有限公司 | A kind of horizontal overturning experimental bench of large size direct-drive permanent magnet wind power generator and working method |
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2019
- 2019-08-13 CN CN201921306123.2U patent/CN211082153U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454333A (en) * | 2019-08-13 | 2019-11-15 | 江苏中车电机有限公司 | A kind of horizontal overturning experimental bench of large size direct-drive permanent magnet wind power generator and working method |
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