CN213331404U - Dragging system for wind generating set test - Google Patents

Dragging system for wind generating set test Download PDF

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Publication number
CN213331404U
CN213331404U CN202021645411.3U CN202021645411U CN213331404U CN 213331404 U CN213331404 U CN 213331404U CN 202021645411 U CN202021645411 U CN 202021645411U CN 213331404 U CN213331404 U CN 213331404U
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China
Prior art keywords
dragging
motor
transmission device
generating set
wind generating
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CN202021645411.3U
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Chinese (zh)
Inventor
李顺建
周祖田
冀满忠
龚波涛
李建科
王弟方
杨静
曹鹏
周扬
熊圣新
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CSIC Haizhuang Windpower Co Ltd
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CSIC Haizhuang Windpower Co Ltd
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Priority to CN202021645411.3U priority Critical patent/CN213331404U/en
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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 wind generating set is drive system for experiment, drive system includes: the device comprises a dragging motor, a transmission device and a control unit; the dragging motor is arranged in a cabin of the wind generating set and is connected with the transmission device; one end of the transmission device is connected with the dragging motor, and the other end of the transmission device is connected with the coupler; the control unit is electrically connected with the dragging motor and is used for controlling the dragging motor to be switched on and off; the dragging system also comprises a dragging frequency converter, the dragging motor, the dragging frequency converter and the control unit are electrically connected in sequence, and the dragging frequency converter is used for controlling the working parameters of the dragging motor; the transmission device comprises a motor shaft belt pulley arranged at one end of a dragging motor shaft, a split belt pulley arranged at one end of a coupler and a narrow V-shaped coupling belt. The utility model discloses fan driftage is carried out in the time of can solving fan main shaft pivoted in the laboratory, the technical problem of the system architecture that drags that adopts comparatively complicated, be not convenient for installation and dismantlement.

Description

Dragging system for wind generating set test
Technical Field
The utility model relates to a wind generating set technical field, concretely relates to wind generating set is drive system for experiment.
Background
At present, in an indoor test of a wind generating set, when a main shaft of the wind generating set needs to be dragged to rotate, a dragging system is usually fixed on the ground, and the dragging system is directly connected with a main shaft transmission chain of the wind generating set. For some tests, it is desirable to yaw the fan while the main shaft of the fan is rotating. Because the main shaft of the fan is vertical to the yaw rotating shaft, the wind generating set cannot yaw under the condition of dragging the main shaft transmission chain to rotate.
In the prior art, CN 101629990B-method and apparatus for testing the total power of a wind turbine generator provide a technical scheme, a dual-generator energy feedback method is adopted to perform a total power test of the wind turbine generator, two sets of wind turbine generator rooms are installed in a back-to-back manner, wherein one set of the wind turbine generator rooms is electrically operated to drag the wind turbine generator, and the other set of the wind turbine generator rooms is electrically operated to test the wind turbine generator; the energy provided by the power grid provides electric energy for the dragging motor through a converter cabinet at the side of the dragging wind turbine generator, the dragging wind turbine generator drives the test wind turbine generator to operate through a main shaft and a coupler, and provides required torque for the test wind turbine generator; the electric energy generated by the test wind turbine generator is fed back to the dragging wind turbine generator through the converter cabinet; when the test wind turbine generator runs under different working conditions, the output characteristics of the test wind turbine generator are detected through the test system.
According to the technical scheme, two sets of wind turbine generator cabins are arranged in a back-to-back mode, one set of the engine cabin is electrically operated to drag the wind turbine generator set, and the fan can yaw while the fan main shaft rotates. However, the two sets of wind turbine generator cabins are used in the technical scheme, so that the structure is complex, and the wind turbine generator cabins are inconvenient to install and disassemble.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a dragging system for wind generating set is experimental to fan driftage is carried out in the time of solving the laboratory fan main shaft pivoted that exists among the prior art, the technical problem of the dragging system structure that adopts comparatively complicated, be not convenient for installation and dismantlement.
The technical scheme adopted by the utility model is that a dragging system for testing a wind generating set;
in a first implementable manner, a drag system includes:
the device comprises a dragging motor, a transmission device and a control unit;
the dragging motor is arranged in a cabin of the wind generating set and is connected with the transmission device;
one end of the transmission device is connected with the dragging motor, and the other end of the transmission device is connected with the coupler;
the control unit is electrically connected with the dragging motor and is used for controlling the dragging motor to be turned on or off.
In combination with the first implementation manner, in the second implementation manner, the system further comprises a dragging frequency converter, wherein the dragging motor, the dragging frequency converter and the control unit are electrically connected in sequence, and the dragging frequency converter is used for controlling the working parameters of the dragging motor.
With reference to the first or second realizable manner, in a third realizable manner, the transmission includes a pulley and a belt.
In combination with the third implementation manner, in the fourth implementation manner, the belt pulley comprises a motor shaft belt pulley installed at one end of the dragging motor shaft, and a split type belt pulley installed at one end of the coupler; the belt is a combined narrow V-belt.
In combination with the second realizable mode, in a fifth realizable mode, the dragging frequency converter and the control unit are placed on the ground; and a part of the cable connecting the dragging electrode, the dragging frequency converter and the control unit is positioned in the underground pipeline.
In combination with the first implementable manner, in a sixth implementable manner, one end of the coupler is connected with the transmission chain, and the other end of the coupler is connected with the generator.
In combination with the first implementation manner, in a seventh implementation manner, the electric vehicle further comprises a tool, wherein the tool is installed on the side wall of the nacelle shell and used for placing the dragging motor.
According to the above technical scheme, the utility model discloses a beneficial technological effect as follows:
1. the dragging motor in the dragging system is fixed inside the cabin of the wind turbine generator by combining the structural characteristics of the generator, and the dragging motor can rotate along with the cabin. The installed dragging system does not change the installation position of the original parts and components, and the structure is simpler.
2. The belt pulley is selected for use by the transmission device, one belt pulley is permanently installed at one end of the dragging motor shaft, and the split type belt pulley is installed at one end of the coupler, so that convenient installation and disassembly can be realized.
3. To the less wind generating set of cabin inner space, a frock of cabin shell side wall mounting is used for placing the traction motor, can make the utility model discloses a traction system is suitable for the wind generating set of more models.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a top view of a dragging system in embodiment 1 of the present invention;
fig. 2 is a front view of a dragging system in embodiment 1 of the present invention;
FIG. 3 is a front view of the transmission device of the dragging system of the present invention;
FIG. 4 is a front view of the split belt pulley of the transmission of the present invention;
FIG. 5 is a schematic block diagram of the dragging system of the present invention;
fig. 6 is a schematic view of a tooling structure according to embodiment 2 of the present invention.
Reference numerals:
1-motor shaft belt pulley, 2-split type belt pulley, and 3-linked narrow V belt.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Example 1
The utility model provides a wind generating set is drive system for experiment, as shown in FIG. 1, drive system includes: the device comprises a dragging motor, a transmission device and a control unit;
the dragging motor is arranged in a cabin of the wind generating set and is connected with the transmission device;
one end of the transmission device is connected with the dragging motor, and the other end of the transmission device is connected with the coupler;
the control unit is electrically connected with the dragging motor and is used for controlling the dragging motor to be turned on or off.
Specifically, the dragging motor is arranged in a cabin of the wind generating set and is positioned beside the coupler, and the dragging motor is connected with the coupler through the transmission device, so that the dragging motor and the transmission device are integrated with the whole cabin platform. The shaft coupling is located between driving chain (gear box) and the generator, and the driving chain is connected to one end of shaft coupling, and the generator is connected to the other end. The installation mode of the dragging motor is not limited, for example, the mode of driving the foundation bolt can be selected. In this embodiment, the transmission device is selected from a pulley and a belt connected to the pulley for easy mounting and dismounting. Specifically, a motor shaft belt pulley 1 is permanently installed at one end of a dragging motor shaft, a split type belt pulley 2 is installed at one end of a coupler, and the motor shaft belt pulley 1 and the split type belt pulley 2 are connected through a connecting narrow V belt 3. The transmission and the pulley are shown in fig. 3 and 4, wherein the right side of fig. 3 is the motor shaft pulley. The installation modes of the motor shaft pulley 1 and the split type pulley 2 are not limited, and in this embodiment, for example, the installation mode may be a threaded connection mode.
The connection of the dragging motor, the dragging frequency converter and the fan laboratory debugging system is shown in figure 2. The cable connected with the dragging motor is arranged in the tower barrel from the cabin downwards, then is respectively arranged below the ground where the dragging frequency converter and the fan laboratory debugging system are located through the underground pipeline, and is then arranged on the ground, and the cable is respectively connected with the dragging frequency converter and the fan laboratory debugging system. The fan laboratory debugging system is used for controlling the whole wind generating set to carry out various indoor tests and is also a control unit of the dragging system in the embodiment.
The operating principle of the dragging system is shown in fig. 5. In the test process, the fan laboratory debugging system sends an instruction to the dragging frequency converter, the dragging frequency converter controls the dragging motor to work, and the dragging motor shaft drives the transmission device to rotate so as to drive the coupler to rotate; the rotating speed is the wind wheel rotating speed which needs to be simulated in the test. The dragging motor and the transmission device are integrated with the whole cabin platform, so that yawing does not affect a dragging system, and the yawing mechanism of the unit can be completed by a yawing system of the wind turbine generator. And when the yaw command is executed during the test, the effect that the main shaft of the fan rotates and the fan yaw works simultaneously can be realized.
By adopting the technical scheme, the dragging motor in the dragging system is fixed inside the cabin of the wind turbine generator, and the dragging motor can rotate along with the cabin when the wind turbine generator is in yaw, so that the wind turbine generator can realize full-angle yaw when the main shaft rotates in a test room. The technical scheme of this embodiment combines unit self structural feature, and the system of dragging who installs additional does not change original spare part mounted position, and the structure is comparatively simple. The belt pulley is selected for use by the transmission device, one belt pulley is permanently installed at one end of the dragging motor shaft, and the split type belt pulley is installed at one end of the coupler, so that convenient installation and disassembly can be realized.
Example 2
The sizes of the spaces in the engine rooms of wind generating sets with different models are different. For some wind generating sets with lower power, the space in the engine room is dangerous, and the remaining space is not enough for installing the next dragging motor except the space occupied by the original parts in the engine room.
In order to solve the technical problems, the following technical scheme is adopted for further optimization on the basis of the embodiment 1: the dragging system for the test of the wind generating set further comprises a tool, and the tool is mounted on the side wall of the outer shell of the engine room and used for placing the dragging motor.
The dragging motor is placed on the tool, a hole is formed in one side, close to a dragging motor shaft, of the cabin shell, and a transmission device connected with the dragging motor and the coupler penetrates through the hole. The size and shape of the tool are not limited, and in this example, the tool includes two foot rests and a platform composed of a plurality of metal frames, as shown in fig. 6. The two foot rests are arranged on the shell of the engine room, so that the tool and the engine room form a whole. The mounting mode of the tool and the cabin shell is optimized, threaded connection is adopted, and mounting and dismounting are facilitated. The platform is used for placing the dragging motor, and the mode that the dragging motor is fixed on the platform is not limited, and in this example, the dragging motor is fixed by adopting threaded connection, so that the dragging motor is convenient to mount and dismount.
In this embodiment, for the wind generating set with a smaller internal space of the nacelle, a tool is installed on the side wall of the housing of the nacelle for placing the dragging motor, so that the dragging system is suitable for wind generating sets with more models.
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 the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (5)

1. The utility model provides a wind generating set is experimental with system of dragging which characterized in that, system of dragging includes: the device comprises a dragging motor, a transmission device, a dragging frequency converter and a control unit;
the dragging motor is arranged in a cabin of the wind generating set and is connected with the transmission device;
one end of the transmission device is connected with the dragging motor, and the other end of the transmission device is connected with the coupler;
one end of the dragging frequency converter is electrically connected with the dragging motor, the other end of the dragging frequency converter is electrically connected with the control unit, and the dragging frequency converter is used for controlling working parameters of the dragging motor;
the control unit is electrically connected with the dragging motor and is used for controlling the dragging motor to be turned on or turned off.
2. The dragging system for the test of the wind generating set according to claim 1, wherein: the transmission device comprises a belt pulley and a belt;
the belt pulley comprises a motor shaft belt pulley (1) arranged at one end of the dragging motor shaft and a split type belt pulley (2) arranged at one end of the coupler; the belt is a combined narrow V-shaped belt (3).
3. The dragging system for the test of the wind generating set according to claim 1, wherein: the dragging frequency converter and the control unit are placed on the ground; and a part of the cable connecting the dragging electrode, the dragging frequency converter and the control unit is positioned in the underground pipeline.
4. The dragging system for the test of the wind generating set according to claim 1, wherein: one end of the coupler is connected with the transmission chain, and the other end of the coupler is connected with the generator.
5. The dragging system for the test of the wind generating set according to claim 1, wherein: the tooling is arranged on the side wall of the outer shell of the engine room and used for placing the dragging motor.
CN202021645411.3U 2020-08-10 2020-08-10 Dragging system for wind generating set test Active CN213331404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021645411.3U CN213331404U (en) 2020-08-10 2020-08-10 Dragging system for wind generating set test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021645411.3U CN213331404U (en) 2020-08-10 2020-08-10 Dragging system for wind generating set test

Publications (1)

Publication Number Publication Date
CN213331404U true CN213331404U (en) 2021-06-01

Family

ID=76095192

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021645411.3U Active CN213331404U (en) 2020-08-10 2020-08-10 Dragging system for wind generating set test

Country Status (1)

Country Link
CN (1) CN213331404U (en)

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