CN114167085A

CN114167085A - Wind generating set wind vane zero calibration device and calibration method

Info

Publication number: CN114167085A
Application number: CN202111488793.2A
Authority: CN
Inventors: 韩锐; 赵爽; 常明
Original assignee: Guodian United Power Technology Co Ltd
Current assignee: Guodian United Power Technology Co Ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-03-11

Abstract

The invention provides a wind generating set wind vane zero position calibration device and a calibration method, relates to the technical field of wind power generation wind alignment tools, and is designed for solving the problem that the existing wind generating set wind vane zero position calibration is extremely inaccurate. The wind vane zero position calibration device of the wind generating set comprises a transmitting end tool, a laser transmitter and a receiving end tool, wherein the transmitting end tool is used for being fixedly connected with a wind vane, the transmitting end tool is provided with a scale mark opposite to an identification N line of the wind vane, the laser transmitter is arranged on the transmitting end tool, and the pitching angle of the laser transmitter is adjustable; the receiving end tool is used for being installed on the front side of the engine room of the wind generating set, the receiving end tool comprises a target rod, the position of the target rod is adjustable along the radial direction of the engine room, and the target rod is used for receiving laser emitted by the laser emitter. The zero calibration method enables the zero calibration work of the wind vane of the wind generating set to be accurate.

Description

Wind generating set wind vane zero calibration device and calibration method

Technical Field

The invention relates to the technical field of wind assembly tools of wind driven generators, in particular to a wind vane zero position calibration device and a wind vane zero position calibration method for a wind driven generator.

Background

The wind vane is arranged on the top of an engine room of the wind generating set and is mainly used for measuring wind direction information of the environment where the wind generating set is located. After the master control system of the wind generating set receives the information, the yaw system is started in time to yaw the wind generating set to enable the impeller of the wind generating set to capture wind energy to the maximum extent, and therefore the generating capacity of the wind generating set is effectively improved.

At present, the installation work of the wind vane is mostly carried out in a wind field, and the installation of the wind vane has direction requirements. As the zero position of the wind vane needs to be calibrated after the wind vane is installed, the installation of the wind vane requires that the mark N line on the wind vane is parallel to the axis of the engine room. The wind vane zero calibration process is mostly completed through visual inspection under the limitation of field conditions, the process is greatly influenced by subjective factors, the installation precision is also extremely inaccurate, and the wind effect of a unit is seriously influenced, so that the generated energy is lost.

Disclosure of Invention

The invention aims to provide a wind generating set wind vane zero calibration device to solve the technical problem that the existing wind generating set wind vane zero calibration is extremely inaccurate.

The invention provides a wind vane zero position calibration device of a wind generating set, which comprises a transmitting end tool, a laser transmitter and a receiving end tool, wherein the transmitting end tool is used for being fixedly connected with a wind vane, the transmitting end tool is provided with a scale mark opposite to an identification N line of the wind vane, the laser transmitter is arranged on the transmitting end tool, and the pitching angle of the laser transmitter is adjustable; the receiving end tool is used for being installed on the front side of an engine room of the wind generating set, the receiving end tool comprises a target rod, the position of the target rod is adjustable along the radial direction of the engine room, and the target rod is used for receiving laser emitted by the laser emitter.

Further, the transmitting end frock include the staple bolt with set up in the rotation seat of staple bolt, the transmitting end frock passes through the staple bolt is fixed in the wind vane, rotate the seat including be used for with staple bolt fixed connection's fixed part, rotationally set up in the rotation portion of fixed part and be used for fixing the rotation portion with the locking part of fixed part relative position, laser emitter install in the rotation portion, the rotation portion is used for adjusting laser emitter's every single move angle.

Furthermore, the hoop comprises a fixed half ring, a movable half ring and a locking assembly, wherein the first end of the movable half ring is rotatably connected with the first end of the fixed half ring, the second end of the movable half ring is detachably arranged with the second end of the fixed half ring, and the locking assembly is used for fixing the second end of the movable half ring at the second end of the fixed half ring.

Furthermore, the fixing part comprises a first supporting arm, a base and a second supporting arm which are sequentially connected in a U shape, the fixing part is fixedly connected with the fixed semi-ring through the base, and the rotating part is rotatably arranged between the first supporting arm and the second supporting arm; the rotating part is provided with a mounting hole, and the laser emitter is fixedly arranged in the mounting hole.

Furthermore, the fixed semi-ring is provided with a positioning groove, the base is provided with a positioning block, and the positioning block is in plug-in fit with the positioning groove.

Further, the rotating part is provided with a fixing screw hole communicated with the mounting hole, and the rotating seat further comprises a fixing bolt which is screwed in the fixing screw hole and can be abutted to the outer surface of the laser emitter in the mounting hole.

Furthermore, the receiving end tool further comprises an adjusting rod and a plurality of fixing rods, the target rod and the plurality of fixing rods are both arranged on the adjusting rod, and the positions of the target rod and the plurality of fixing rods are adjustable along the length direction of the adjusting rod; the fixed rods and the target rod form an angle, and the fixed rods are used for being respectively inserted into a plurality of shaft holes of the end face of the main shaft on the front side of the engine room.

Further, the adjusting rod is provided with scale values arranged along the length direction of the adjusting rod.

Furthermore, the target rod is a telescopic rod; or the target rod comprises a plurality of sub rods arranged along the length direction of the target rod, and the plurality of sub rods are detachably connected with each other.

The wind generating set wind vane zero calibration device has the advantages that:

by arranging the wind generating set wind vane zero-position calibrating device mainly comprising the transmitting end tool, the laser emitter and the receiving end tool, when the wind vane of the wind generating set needs to be subjected to zero-position calibration, the transmitting end tool can be fixedly arranged on the wind vane, and when the wind vane is fixed, a scale mark arranged on the transmitting end tool is aligned with a mark N line of the wind vane; mounting a laser transmitter on a transmitting end tool; mounting a receiving end tool on the front side of a cabin of the wind generating set, and adjusting the position of a target rod along the radial direction of the cabin to keep the distance of the target rod deviating from the axis of the cabin consistent with the distance of a mounting base of a wind vane deviating from the axis of the cabin, so that the connecting line of the target rod and a laser emitter is parallel to the axis of the cabin; and then, loosening the bolt of the mounting base of the wind vane to remove the fixation of the mounting base so as to adjust the steering of the wind vane, and simultaneously adjusting the pitching angle of the laser emitter until the laser emitted by the laser emitter is projected to a target rod of a receiving end tool, and then fixing the mounting base of the wind vane, so that the zero calibration work of the wind vane can be realized.

The wind generating set wind vane zero calibration device effectively solves the problem of inaccurate field zero calibration of the wind generating set wind vane, improves calibration precision, is simple to operate, and can realize quick calibration of the wind vane zero.

The second purpose of the invention is to provide a wind generating set wind vane zero position calibration method, so as to solve the technical problem that the existing wind generating set wind vane zero position calibration is extremely inaccurate.

The invention provides a wind vane zero calibration method of a wind generating set, which is used for calibrating the zero position of a wind vane by using the wind vane zero calibration device of the wind generating set, and comprises the following steps:

installing a laser transmitter on a transmitting end tool, fixedly arranging the transmitting end tool on the wind vane, and aligning a scale mark arranged on the transmitting end tool with an identification N line of the wind vane;

mounting a receiving end tool on the front side of a cabin of the wind generating set, and adjusting the position of a target rod along the radial direction of the cabin to keep the distance of the target rod deviating from the axis of the cabin consistent with the distance of a mounting base of a wind vane deviating from the axis of the cabin;

the method comprises the steps that the bolt of the mounting base of the wind vane is loosened, the fixing of the mounting base is released, the steering of the wind vane is adjusted, and the pitching angle of a laser emitter is adjusted until laser emitted by the laser emitter is projected to a target rod of a receiving end tool;

and fixing the mounting base of the wind vane to finish zero calibration of the wind vane.

The wind generating set wind vane zero calibration method has the beneficial effects that:

according to the wind generating set wind vane zero position calibration method, the wind generating set wind vane zero position calibration device is used for calibrating the zero position of the wind vane, and accordingly, the wind generating set wind vane zero position calibration method has all the advantages of the wind generating set wind vane zero position calibration device, and the detailed description is omitted.

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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a front view of an installation of a wind generating set wind vane zero position calibration device on a nacelle according to an embodiment of the invention;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

FIG. 3 is a top view of the installation of a wind generating set wind vane zero calibration device provided by an embodiment of the invention on a nacelle;

fig. 4 is a schematic structural diagram of a transmitting end tool and a laser transmitter of the wind turbine generator system wind vane zero position calibration device provided by the embodiment of the invention, which are installed on a wind vane;

fig. 5 is an exploded schematic view of a transmitting end tool of a wind turbine generator system vane zero calibration device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a receiving end tool of a wind turbine generator system wind vane zero position calibration device provided in the embodiment of the present invention;

fig. 7 is an installation schematic diagram of a receiving end tool of a wind turbine generator system wind vane zero position calibration device provided in the embodiment of the present invention.

Description of reference numerals:

100-transmitting end tooling; 200-a laser emitter; 300-receiving end tooling; 400-wind vane; 500-a nacelle; 600-shaft hole; 700-mounting a base;

110-scale line; 120-anchor ear; 130-a rotating seat;

121-stationary half ring; 122-movable half ring; 123-a locking assembly; 124-positioning grooves; 125-locking bar; 126-wing nuts;

131-a fixed part; 132-a rotating part; 133-a locking portion; 134-a first support arm; 135-a base; 136-a second support arm; 137-mounting holes; 138-positioning blocks; 139-fixing bolt;

310-target rod; 320-adjusting rod; 330-a fixed rod; 340-optical axis cross connection; 350-scale value.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 is a front view of a wind turbine generator system wind vane zero position calibration device provided by the embodiment mounted on a nacelle 500, and fig. 2 is an enlarged partial structure view at a in fig. 1. As shown in fig. 1 and fig. 2, the embodiment provides a wind vane zero position calibration device for a wind generating set, which includes a transmitting end tool 100, a laser emitter 200 and a receiving end tool 300, specifically, the transmitting end tool 100 is fixedly arranged on a wind vane 400, the transmitting end tool 100 is provided with a scale line 110 opposite to an identification N line of the wind vane 400, the laser emitter 200 is arranged on the transmitting end tool 100, and a pitch angle of the laser emitter 200 is adjustable; the receiving end tooling 300 is installed on the front side of the nacelle 500 of the wind generating set, wherein the receiving end tooling 300 comprises a target rod 310, the position of the target rod 310 is adjustable along the radial direction of the nacelle 500, and the target rod 310 is used for receiving laser emitted by the laser emitter 200.

Fig. 3 is a top view of the wind turbine generator system wind vane zero calibration device provided by the embodiment mounted on a nacelle 500. With reference to fig. 1 and fig. 2, when the wind vane 400 of the wind turbine generator system needs to be calibrated in the zero position, the transmitting end fixture 100 may be fixed to the wind vane 400, and when the transmitting end fixture 100 is fixed, the scale line 110 arranged on the transmitting end fixture 100 is aligned with the N-line mark of the wind vane 400; installing a laser transmitter 200 on the transmitting end tool 100; as shown in fig. 3, the receiving end tooling 300 is installed at the front side of the nacelle 500 of the wind generating set, and the position of the target rod 310 along the radial direction of the nacelle 500 is adjusted, so that the distance of the target rod 310 deviating from the axis of the nacelle 500 is consistent with the distance of the installation base 700 of the wind vane 400 deviating from the axis of the nacelle 500, and the connecting line of the target rod 310 and the laser emitter 200 is parallel to the axis of the nacelle 500; then, the bolts of the mounting base 700 of the wind vane 400 are loosened to release the fixation of the mounting base 700, so as to adjust the steering of the wind vane 400, and simultaneously, the pitching angle of the laser emitter 200 is adjusted until the laser emitted by the laser emitter 200 is projected to the target rod 310 of the receiving end tool 300, and then the mounting base 700 of the wind vane 400 is fixed, so that the zero calibration work of the wind vane 400 can be realized. The distance between the target rod 310 and the axis of the nacelle 500 is B, and the distance between the mounting base 700 of the wind vane 400 and the axis of the nacelle 500 is B.

The wind generating set wind vane zero calibration device effectively solves the problem of inaccurate field zero calibration of the wind generating set wind vane, improves calibration precision, is simple to operate, and can realize quick calibration of the wind vane 400 zero.

In this embodiment, when the scale line 110 disposed on the transmitting end tool 100 is opposite to the N mark line of the wind vane 400, the wind direction line indicated by the wind vane 400 is coplanar with the swept plane when the laser emitter 200 tilts, so that when the transmitting end tool 100 is opposite to the N mark line of the wind vane 400 through the scale line 110, the direction in which the laser emitter 200 emits laser light may directly reflect the wind direction line of the wind vane 400, so as to implement zero calibration of the wind vane 400 by using the light emitted by the laser emitter 200.

The "distance of the target pole 310 from the axis of the nacelle 500" is a distance of the center line of the target pole 310 from the axis of the nacelle 500, and the "distance of the mounting base 700 of the wind vane 400 from the axis of the nacelle 500" is a distance of the center line of the mounting base 700 of the wind vane 400 from the axis of the nacelle 500, where the "axis of the nacelle 500" is the center line of the nacelle 500.

Fig. 4 is a schematic structural view of the transmitting end tool 100 and the laser transmitter 200 of the wind turbine generator system vane zero position calibrating device provided in this embodiment when being installed on a wind vane 400, and fig. 5 is a schematic structural exploded view of the transmitting end tool 100 of the wind turbine generator system vane zero position calibrating device provided in this embodiment. As shown in fig. 4 and 5, the launch end fixture 100 may include an anchor ear 120 and a rotating base 130 disposed on the anchor ear 120, specifically, the launch end fixture 100 is fixed on a wind vane 400 through the anchor ear 120, the rotating base 130 includes a fixing portion 131 for fixedly connecting with the anchor ear 120, a rotating portion 132 rotatably disposed on the fixing portion 131, and a locking portion 133 for fixing a relative position of the rotating portion 132 and the fixing portion 131, wherein the laser emitter 200 is mounted on the rotating portion 132, and the rotating portion 132 is used for adjusting a pitch angle of the laser emitter 200.

When the wind vane zero calibration device of the wind generating set is used for calibrating the zero position of the wind vane 400, the hoop 120 can be fixed on the wind vane 400, the fixing part 131 of the rotating seat 130 is fixed on the hoop 120, and the laser emitter 200 is fixed on the rotating part 132, so that the laser emitter 200 is installed on the wind vane 400; in the calibration process, the locking part 133 can be firstly unlocked to lock the rotating part 132, so that the rotating part 132 rotates relative to the fixed part 131, and in the process, the laser emitter 200 synchronously rotates, thereby realizing the adjustment of the pitch angle of the laser emitter 200; after the laser emitter 200 is adjusted to an angle capable of projecting onto the target rod 310, the locking part 133 can be used to fix the rotating part 132 to the fixing part 131, so that the laser emitter 200 can be fixed at the current position.

The arrangement form of the transmitting end tool 100 not only can realize reliable fixation on the wind vane 400, but also is convenient for adjusting the pitching angle of the laser emitter 200, thereby improving the zero calibration efficiency of the wind vane 400.

Specifically, in this embodiment, the locking portion 133 may include a first bolt and a second bolt, where a first locking hole and a second locking hole are respectively disposed at positions where the first support arm 134 and the second support arm 136 are opposite to each other, the rotating portion 132 has a first fixing hole opposite to the first locking hole and a second fixing hole opposite to the second locking hole, the first locking hole and the second locking hole are light holes, the first fixing hole and the second fixing hole are threaded holes, the first bolt can penetrate through the first locking hole and be screwed to the first fixing hole, and the second bolt can penetrate through the second locking hole and be screwed to the second fixing hole.

When the pitch angle of the laser transmitter 200 needs to be adjusted, the first bolt and the second bolt can be loosened first, and the locking effect of the first bolt and the second bolt on the rotating part 132 is released; then, the rotating part 132 is rotated with the hole axes of the first fixing hole and the second fixing hole as the rotation axis to realize the adjustment of the pitch angle of the laser transmitter 200; after the pitching angle of the laser emitter 200 is adjusted, the first bolt and the second bolt are screwed, the first support arm 134 is pressed by the first bolt, and the second support arm 136 is pressed by the second bolt, so that the rotating part 132 can be fixed at the current position, and the purpose of adjusting the pitching angle of the laser emitter 200 is achieved.

Referring to fig. 4 and 5, in the present embodiment, the hoop 120 includes a stationary half ring 121, a movable half ring 122 and a locking component 123, specifically, a first end of the movable half ring 122 is rotatably connected to a first end of the stationary half ring 121, a second end of the movable half ring 122 is detachably disposed to a second end of the stationary half ring 121, and the locking component 123 is configured to fix the second end of the movable half ring 122 to the second end of the stationary half ring 121.

When the hoop 120 needs to be fixed to the wind vane 400, the locking of the movable half ring 122 by the locking assembly 123 may be firstly released, so that the first end of the movable half ring 122 rotates relative to the first end of the stationary half ring 121, and the second end of the movable half ring 122 and the second end of the stationary half ring 121 are in a separated state; then, the wind vane 400 is located in the accommodating space between the stationary half ring 121 and the movable half ring 122, and the second end of the movable half ring 122 is locked to the second end of the stationary half ring 121 by the locking assembly 123, so that the hoop 120 is tightly held on the wind vane 400. When the hoop 120 needs to be taken down from the wind vane 400, the hoop 120 can be taken down only by unlocking the locking assembly 123 to the movable half ring 122 and separating the second end of the movable half ring 122 from the second end of the stationary half ring 121.

The arrangement form of the hoop 120 enables the wind vane 400 to be installed on the wind vane 400 from the side direction of the wind vane 400 and detached from the wind vane 400, the wind vane 400 does not need to be detached in the installation process, and the use is convenient.

Referring to fig. 5, in the present embodiment, the locking assembly 123 may include a locking rod 125 and a wing nut 126, specifically, one end of the locking rod 125 is rotatably connected to the second end of the stationary half ring 121, a rotation axis of the locking rod 125 is parallel to a central line of the hoop 120, the locking rod 125 is provided with an external threaded section, and the wing nut 126 is threadedly connected to the external threaded section; the second end of the movable half ring 122 is provided with a locking groove.

When the second end of the movable half ring 122 needs to be locked to the second end of the stationary half ring 121, the wing nut 126 and the locking rod 125 can be rotated together in a direction away from the anchor ear 120 to avoid the movable half ring 122; then, the movable half ring 122 is rotated relative to the stationary half ring 121, such that the second end of the movable half ring 122 is opposite to the second end of the stationary half ring 121; then, the wing nut 126 and the locking rod 125 are rotated together in the direction close to the hoop 120, so that the locking rod 125 is clamped into the locking groove of the movable half ring 122; finally, the wing nut 126 is tightened to make the wing nut 126 abut against the movable half ring 122, so that the movable half ring 122 is locked.

In this embodiment, the first end of the movable half ring 122 is rotatably connected to the first end of the stationary half ring 121 by a pin; the locking bar 125 is an eye bolt.

Referring to fig. 5, in the present embodiment, the stationary half ring 121 and the movable half ring 122 are provided with scale marks 110, and the inner surface of the stationary half ring 121 and the inner surface of the movable half ring 122 are matched with the outer surface of the portion of the wind vane 400 to which the transmitting end tooling 100 is to be fixed.

Referring to fig. 5, in the present embodiment, the fixing portion 131 may include a first supporting arm 134, a base 135 and a second supporting arm 136 connected in a U-shape in sequence, wherein the fixing portion 131 is fixedly connected to the stationary half-ring 121 through the base 135, and the rotating portion 132 is rotatably disposed between the first supporting arm 134 and the second supporting arm 136; the rotating portion 132 is provided with a mounting hole 137, and the laser emitter 200 is fixedly disposed in the mounting hole 137.

The fixing portion 131 is not only reliably connected to the hoop 120 by the base 135, but also reliably supports the rotating portion 132 by the first and

second support arms

134 and 136, thereby ensuring the adjustment accuracy of the pitch angle of the laser transmitter 200.

Referring to fig. 5, in the present embodiment, the rotating portion 132 is provided with a fixing screw hole communicated with the mounting hole 137, and the rotating base 130 further includes a fixing bolt 139, specifically, the fixing bolt 139 is screwed in the fixing screw hole and can abut against the outer surface of the laser emitter 200 located in the mounting hole 137.

When the laser emitter 200 needs to be installed on the rotating part 132, the fixing bolt 139 may be loosened to insert the laser emitter 200 into the installation hole 137; thereafter, the fixing bolt 139 is tightened to press the free end of the fixing bolt 139 against the outer surface of the laser transmitter 200, thereby fixing the laser transmitter 200 in the mounting hole 137. When the laser transmitter 200 needs to be removed from the rotating portion 132, the fixing bolt 139 can be loosened to unlock the laser transmitter 200, so that the laser transmitter 200 can be removed.

By the method for fixing the laser transmitter 200, the laser transmitter 200 can be quickly assembled and disassembled, so that the assembly efficiency of the wind turbine generator system wind vane zero calibration device is improved.

Referring to fig. 5, in the present embodiment, the stationary half ring 121 is provided with a positioning groove 124, and the base 135 is provided with a positioning block 138, wherein the positioning block 138 is inserted into and fitted to the positioning groove 124.

So set up, can utilize the grafting cooperation of locating piece 138 and constant head tank 124 to realize rotating the location of seat 130 on stationary half ring 121, not only improve assembly efficiency, moreover, can also guarantee the assembly precision.

Specifically, in the use state of the wind turbine generator system vane zero calibration device, the positioning groove 124 is located on the upper surface of the stationary half ring 121 and is used for limiting the horizontal movement freedom of the rotating base 130.

Referring to fig. 5, in the present embodiment, the bottom wall of the positioning groove 124 is formed with a connecting unthreaded hole, and correspondingly, the base 135 is formed with a connecting screw hole at a position corresponding thereto, and the connecting bolt passes through the connecting unthreaded hole from bottom to top and is screwed into the connecting screw hole, thereby fixing the rotating base 130 on the stationary half-ring 121.

Fig. 6 is a schematic structural diagram of a receiving end tool 300 of the wind turbine generator system vane zero position calibration device provided in this embodiment, and fig. 7 is an installation schematic diagram of the receiving end tool 300 of the wind turbine generator system vane zero position calibration device provided in this embodiment. As shown in fig. 6 and 7, in this embodiment, the receiving end tooling 300 may further include an adjusting rod 320 and two fixing rods 330, specifically, the target rod 310 and the two fixing rods 330 are both mounted on the adjusting rod 320, and the positions of the target rod 310 and the two fixing rods 330 are adjustable along the length direction of the adjusting rod 320, where the fixing rods 330 form an angle with the target rod 310, and the two fixing rods 330 are respectively inserted into two shaft holes 600 on the end surface of the main shaft at the front side of the nacelle 500.

In this embodiment, the fixing rod 330 is disposed at 90 ° to the target rod 310. When the receiving end tool 300 is installed, only two fixing rods 330 are required to be respectively inserted into the two shaft holes 600 on the end face of the main shaft, so that the receiving end tool 300 can be fixed on the front side of the cabin 500, and at the moment, the target rod 310 can be upward to receive laser projected by the laser emitter 200. After the zero calibration of the wind vane 400 is completed, the fixing rod 330 is pulled out from the corresponding shaft hole 600, and the receiving end tool 300 can be removed.

According to the arrangement form of the receiving end tool 300, the fixing of the receiving end tool 300 on the front side of the engine room 500 can be realized by the inserting and matching of the fixing rod 330 and the shaft hole 600 of the end face of the main shaft, and the installation structures are not required to be additionally arranged on the engine room 500 and other unit components, so that the structures of the engine room 500 and other unit components are not changed, the normal operation of the wind generating set is influenced, and the installation cost is almost zero. In addition, the receiving end tool 300 can be quickly assembled and disassembled in the form of fixing the receiving end tool 300, so that the zero calibration efficiency of the wind vane 400 is improved.

Referring to fig. 6, in the present embodiment, the target rod 310 and the two fixing rods 330 are both connected to the adjustment rod 320 through the optical axis cross-shaped connector 340.

So set up, not only be convenient for the position control of target pole 310 and two dead levers 330 for the distance that the skew cabin 500 axis of target pole 310 keeps unanimous with the installation base 700 of wind vane 400 skew cabin 500 axis, make the position of two dead levers 330 and the position of waiting to insert shaft hole 600 corresponding, in order to realize pegging graft respectively of two dead levers 330 in two shaft holes 600, and moreover, can also follow regulation pole 320 with target pole 310 and two dead levers 330 and pull down, so that the carrying of receiving end frock 300.

In other embodiments, the fixing rod 330 may also be in other number forms, such as: three, it can realize the fixed of receiving end frock 300 on cabin 500 equally, and at this moment, three dead levers 330 are the grafting cooperation with three shaft hole 600 one-to-one respectively.

Referring to fig. 6, in the present embodiment, the adjustment rod 320 is provided with scale values 350 arranged along the length direction thereof. With the arrangement, the optical axis cross connecting piece 340 can be accurately positioned on the surface of the adjusting rod 320, so as to achieve the purpose of quickly adjusting the positions of the target rod 310 and the fixing rod 330.

Specifically, in this embodiment, the target rod 310 may be a telescopic rod. In use, the length of the target rod 310 can be increased to enable the laser emitted from the laser emitter 200 to be projected onto the target rod 310; in the non-use state, the length of the target rod 310 can be shortened, so that the receiving end tool 300 can be conveniently carried.

It should be noted that, when the target rod 310 is a telescopic rod, the structure of the target rod 310 may be a structure similar to a radio antenna. This arrangement allows the target rod 310 to be stably maintained at the current length when it is extended to the desired length.

In other embodiments, the target rod 310 may be formed by detachably connecting a plurality of sub-rods arranged along the length direction thereof, specifically, by screwing a plurality of sub-rods. In use, two adjacent sub-rods of the target rod 310 may be threaded together, such that the target rod 310 is lengthened to receive laser light emitted by the laser emitter 200; in the non-use state, the threaded connection between every two sub-rods can be released, so that the sub-rods are in a mutually separated state, and the portability is improved.

When the target rod 310 is formed by screwing a plurality of sub rods, one end of each sub rod may be provided with an internal thread, and the other end of each sub rod may be provided with an external thread, so that the connection between two adjacent sub rods is realized by the matching of the external thread and the internal thread.

In addition, the embodiment further provides a wind generating set wind vane zero position calibration method, which is used for calibrating the zero position of the wind vane 400 by using the wind generating set wind vane zero position calibration device, and the method comprises the following steps: installing a laser transmitter 200 on the transmitting end tool 100, and fixedly installing the transmitting end tool 100 on the wind vane 400, so that the scale mark 110 arranged on the transmitting end tool 100 is aligned with the mark N line of the wind vane 400; mounting the receiving end tool 300 on the front side of a cabin 500 of a wind generating set, and adjusting the position of a target rod 310 along the radial direction of the cabin 500 to ensure that the distance of the target rod 310 deviating from the axis of the cabin 500 is consistent with the distance of a mounting base 700 of a wind vane 400 deviating from the axis of the cabin 500; the fixing of the mounting base 700 is released by unscrewing the bolts of the mounting base 700 of the wind vane 400, so as to adjust the steering of the wind vane 400 and adjust the pitch angle of the laser emitter 200 until the laser emitted by the laser emitter 200 is projected onto the target rod 310 of the receiving end tool 300; and fixing the mounting base 700 of the wind vane 400 to finish the zero calibration of the wind vane 400. In the process of adjusting the direction of the wind vane 400, the laser emitter 200 is fixed to the wind vane 400, so that the laser emitter 200 rotates synchronously with the wind vane 400.

According to the wind generating set wind vane zero position calibration method, the wind generating set wind vane zero position calibration device is used for calibrating the zero position of the wind vane 400, accordingly, the wind generating set wind vane zero position calibration method has all the advantages of the wind generating set wind vane zero position calibration device, and description is omitted.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In the above embodiments, the descriptions of the orientations such as "upper", "lower", "side", and the like are based on the drawings.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The wind generating set wind vane zero position calibration device is characterized by comprising a transmitting end tool (100), a laser emitter (200) and a receiving end tool (300), wherein the transmitting end tool (100) is fixedly connected with a wind vane (400), the transmitting end tool (100) is provided with a scale mark (110) opposite to an identification N line of the wind vane (400), the laser emitter (200) is installed on the transmitting end tool (100), and the pitching angle of the laser emitter (200) is adjustable; the receiving end tooling (300) is used for being installed on the front side of a cabin (500) of a wind generating set, the receiving end tooling (300) comprises a target rod (310), the radial direction of the cabin (500) is followed, the position of the target rod (310) is adjustable, and the target rod (310) is used for receiving laser emitted by the laser emitter (200).

2. The wind generating set wind vane zero position calibration device of claim 1, wherein the transmitting end tooling (100) comprises a hoop (120) and a rotating seat (130) arranged on the hoop (120), the transmitting end tooling (100) is fixed on the wind vane (400) through the hoop (120), the rotating seat (130) comprises a fixing portion (131) fixedly connected with the hoop (120), a rotating portion (132) rotatably arranged on the fixing portion (131), and a locking portion (133) used for fixing the relative position of the rotating portion (132) and the fixing portion (131), the laser emitter (200) is mounted on the rotating portion (132), and the rotating portion (132) is used for adjusting the pitch angle of the laser emitter (200).

3. The wind turbine generator system vane zero calibration device of claim 2, wherein the hoop (120) comprises a fixed half ring (121), a movable half ring (122) and a locking assembly (123), wherein a first end of the movable half ring (122) is rotatably connected with a first end of the fixed half ring (121), a second end of the movable half ring (122) is detachably arranged with a second end of the fixed half ring (121), and the locking assembly (123) is used for fixing the second end of the movable half ring (122) with the second end of the fixed half ring (121).

4. The device for zero calibration of a wind turbine generator system vane of claim 3, wherein the fixed portion (131) comprises a first support arm (134), a base (135) and a second support arm (136) connected in a U-shape, the fixed portion (131) is fixedly connected to the stationary half ring (121) through the base (135), and the rotating portion (132) is rotatably disposed between the first support arm (134) and the second support arm (136); the rotating part (132) is provided with a mounting hole (137), and the laser emitter (200) is fixedly arranged in the mounting hole (137).

5. The wind generating set wind vane zero position calibration device of claim 4, wherein the stationary half ring (121) is provided with a positioning groove (124), the base (135) is provided with a positioning block (138), and the positioning block (138) is inserted into the positioning groove (124).

6. The wind generating set wind vane zero position calibration device of claim 4, characterized in that the rotating part (132) is provided with a fixing screw hole communicated with the mounting hole (137), and the rotating base (130) further comprises a fixing bolt (139), wherein the fixing bolt (139) is screwed in the fixing screw hole and can abut against the outer surface of the laser emitter (200) in the mounting hole (137).

7. The wind generating set wind vane zero position calibration device of any one of claims 1-6, characterized in that the receiving end tooling (300) further comprises an adjusting rod (320) and a plurality of fixing rods (330), the target rod (310) and the plurality of fixing rods (330) are both mounted on the adjusting rod (320), and the positions of the target rod (310) and the plurality of fixing rods (330) are adjustable along the length direction of the adjusting rod (320); the fixing rods (330) form an angle with the target rod (310), and the fixing rods (330) are respectively inserted into a plurality of shaft holes (600) on the end face of the main shaft on the front side of the engine room (500).

8. Wind park according to claim 7, wherein said adjustment lever (320) is provided with scale values (350) arranged along its length.

9. The wind generating set wind vane zero position calibration device of claim 7, characterized in that the target rod (310) is a telescopic rod; or the target rod (310) comprises a plurality of sub rods arranged along the length direction of the target rod, and the plurality of sub rods are detachably connected with each other.

10. A wind generating set wind vane zero position calibration method, characterized in that, the wind generating set wind vane zero position calibration device of any one of claims 1-9 is used for calibrating the zero position of a wind vane (400), comprising the following steps:

installing a laser transmitter (200) on a transmitting end tool (100), fixedly installing the transmitting end tool (100) on a wind vane (400), and aligning a scale mark (110) arranged on the transmitting end tool (100) with a mark N line of the wind vane (400);

mounting a receiving end tool (300) on the front side of a cabin (500) of a wind generating set, and adjusting the position of a target rod (310) along the radial direction of the cabin (500) to ensure that the distance of the target rod (310) deviating from the axis of the cabin (500) is consistent with the distance of a mounting base (700) of a wind vane (400) deviating from the axis of the cabin (500);

the fixing of the mounting base (700) is released by unscrewing the bolt of the mounting base (700) of the wind vane (400) so as to adjust the steering of the wind vane (400) and adjust the pitching angle of the laser emitter (200) until the laser emitted by the laser emitter (200) is projected to a target rod (310) of the receiving end tool (300);

and fixing the mounting base (700) of the wind vane (400) to finish zero calibration of the wind vane (400).