CN220197452U - Rotation limiting mechanism and wind generator set anemoscope verification device thereof - Google Patents

Abstract

The utility model relates to the technical field of anemoscope calibration, in particular to a rotation limiting mechanism and a anemoscope calibration device of a wind generating set of the rotation limiting mechanism.

Description

Rotation limiting mechanism and wind generator set anemoscope verification device thereof

Technical Field

The utility model relates to the technical field of anemoscope verification, in particular to a rotation limiting mechanism and a wind turbine generator system anemoscope verification device thereof.

Background

The anemograph is a large intelligent wind speed sensing alarm device which is specially developed for various large mechanical devices, and is widely used in the fields of weather, sea, environment, airports, ports, industry, agriculture, traffic and the like. Wind turbine generators typically employ an electric yaw system to adjust the rotor and align it to the wind direction. The yaw system generally comprises a anemoscope for inducing wind direction, a yaw motor, a yaw planetary gear reducer, a revolving body large gear and the like;

the wind generating set adopts the wind direction meter to detect the wind direction, thereby being convenient for tracking the change of the wind direction to continuously obtain the maximum power, the phenomenon that the wind direction meter has angle deviation after long-term use when in use, and the wind direction meter needs to be checked regularly in order to ensure the precision;

during verification, the anemoscope moves along with wind, and needs to be additionally fixed to avoid influence on verification accuracy due to shaking, but most of the existing fixing modes are manually held and fixed, so that two-hand operation cannot be achieved during verification, and the efficiency is low;

meanwhile, potential safety hazards exist in the conventional manual climbing verification, so that a wind direction instrument verification device of a wind generating set needs to be designed to solve the problems.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

In view of the problem that the anemoscope moves with wind during the verification and needs to be fixed manually to influence the verification, a rotation limiting mechanism is provided.

It is, therefore, one of the objects of the present utility model to provide a rotation limiting mechanism.

In order to solve the technical problems, the utility model provides the following technical scheme: a rotation limiting mechanism includes a rotation limiting mechanism, which includes,

the limiting assembly comprises a base, two clamping pieces oppositely arranged on the front side of the base, a sliding piece fixed on the front side of the base and connected with the two clamping pieces in a sliding manner, a linkage piece movably connected with the two clamping pieces, and a lifting piece fixed on the front side of the base and driving the two clamping pieces to move relatively on the sliding piece through the linkage piece;

the clamping piece comprises a clamping block, a clamping groove formed in the clamping side of the clamping block, and a clamping pad arranged on the inner side of the clamping groove.

As a preferable mode of the rotation limiting mechanism of the utility model, wherein: the sliding piece comprises a sliding rail fixed on the front side of the base and a sliding block fixed on the rear side of the clamping block and attached to the upper base surface and the lower base surface of the sliding rail.

As a preferable mode of the rotation limiting mechanism of the utility model, wherein: the linkage piece comprises a driving block attached to the front side of the lifting piece and linkage blocks rotationally connected to two sides of the bottom end of the driving block and rotationally connected with one sides of the upper ends of the two clamping blocks respectively.

As a preferable mode of the rotation limiting mechanism of the utility model, wherein: the linkage block is of a triangular structure, the three end points of the triangular structure are fixed with rotating pins, and the three rotating pins are respectively connected with the driving block, the clamping block and the base in a rotating mode.

As a preferable mode of the rotation limiting mechanism of the utility model, wherein: the lifting piece comprises a shell fixed on the front side of the base, a movable groove formed in the front side of the shell, two lifting blocks, a screw rod, a guide rod and a servo motor, wherein one side of the two lifting blocks penetrates through the movable groove and is fixedly connected with the driving block, the screw rod is vertically connected in the shell and penetrates through the two lifting blocks in a rotating mode, the guide rod is vertically fixed in the shell and penetrates through the two lifting blocks, and the servo motor is installed at the upper end of the shell and used for driving the screw rod to rotate.

As a preferable mode of the rotation limiting mechanism of the utility model, wherein: the clamping piece further comprises a buffer body, wherein the buffer body comprises two cavities symmetrically arranged on the side of the clamping groove and extending into the clamping block, a pneumatic rod fixed in the cavities and fixedly connected with the inner side of the clamping pad at the telescopic end, and a spring sleeved on the outer side of the telescopic end of the pneumatic rod.

The utility model has the beneficial effects that: according to the wind direction gauge, the limiting assembly is clamped on the rod body of the wind direction gauge by driving the two clamping blocks to move relatively, manual holding and fixing are not needed, two hands are liberated, the whole checking efficiency is improved, and the detection precision is high.

In view of the problem that potential safety hazards exist in the existing manual climbing verification, a wind direction instrument verification device of a wind generating set is provided.

Therefore, the utility model also provides a wind vane verification device of the wind generating set.

In order to solve the technical problems, the utility model also provides the following technical scheme: comprising the rotation limiting mechanism and also comprising,

the bracket component comprises a carrier, two groups of lifting pieces arranged on the inner side of the carrier, and a driving piece for driving the lifting pieces.

As a preferable scheme of the wind generator set anemoscope verification device, the wind generator set anemoscope verification device comprises the following components: the carrier comprises a base, a lifting table arranged right above the base and a limit guide rod fixed at four corner positions of an upper base surface of the base and vertically penetrating through the lifting table upwards.

As a preferable scheme of the wind generator set anemoscope verification device, the wind generator set anemoscope verification device comprises the following components: the two groups of lifting pieces comprise two driving gears and driven gears which are meshed and connected, a rotating seat which is fixed on the base and is rotationally connected with the driving gears and the driven gears, and a rotating lifting rod which is fixed at the axle center of one side of the driving gears and the driven gears and the other end of which is respectively and slidably connected with the bottom of the lifting table.

As a preferable scheme of the wind generator set anemoscope verification device, the wind generator set anemoscope verification device comprises the following components: the driving piece comprises a transmission gear, a transmission rod transversely penetrating through the axis of the transmission gear and respectively rotationally fixed with the two driving gears at two ends, a driving gear meshed with the transmission gear, and a driving motor arranged on the base and used for driving the driving piece to rotate.

The utility model has the beneficial effects that: the bracket component is installed simultaneously along with wind power generation equipment, disassembly is not needed, but the wind direction calibrator on the lifting table can be driven to calibrate the wind direction calibrator when calibration is needed, manual climbing up and down for calibration is not needed, the calibration efficiency is high, the potential safety hazard of manual inspection is solved, and the safety of a tester is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic diagram of the overall structure of the rotation limiting mechanism and the wind turbine generator system anemoscope verification device of the present utility model.

FIG. 2 is a schematic cross-sectional view of the rotation limiting mechanism of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2a according to the present utility model.

FIG. 4 is a schematic cross-sectional view of a clamp block in the rotation limiting mechanism of the present utility model.

FIG. 5 is a schematic diagram of a wind turbine verification device according to the present utility model.

FIG. 6 is a schematic diagram of the structure of the driving member in the wind vane calibration device of the wind turbine generator system of the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1, there is provided a schematic overall structure of a rotation limiting mechanism and a wind turbine verification device thereof, as shown in fig. 1-4, a rotation limiting mechanism comprising,

the limiting assembly 100 comprises a base 101, two clamping pieces 102 oppositely arranged on the front side of the base 101, a sliding piece 103 fixed on the front side of the base 101 and connected with the two clamping pieces 102 in a sliding manner, a linkage piece 104 movably connected with the two clamping pieces 102, and a lifting piece 105 fixed on the front side of the base 101 and driving the two clamping pieces 102 to move relatively on the sliding piece 103 through the linkage piece 104;

the clamping piece 102 comprises a clamping block 102a, a clamping groove 102b formed in the clamping side of the clamping block 102a, and a clamping pad 102c arranged on the inner side of the clamping groove 102b, wherein the clamping pad 102c is a rubber member, so that damage to a anemoscope rod body can be reduced;

further, the sliding piece 103 comprises a sliding rail 103a fixed on the front side of the base 101 and a sliding block 103b fixed on the rear side of the clamping block 102a and attached to the upper base surface and the lower base surface of the sliding rail 103a, the upper base surface and the lower base surface of the sliding rail 103a are respectively provided with a sliding way, pulleys roll in the sliding ways, and the pulleys are fixed on the inner side of the sliding block 103b through the connecting piece, so that sliding friction force can be reduced, and moving smoothness is ensured.

Further, the linkage member 104 includes a driving block 104a attached to the front side of the lifting member 105, and a linkage block 104b rotatably connected to two sides of the bottom end of the driving block 104a and rotatably connected to one side of the upper ends of the two clamping blocks 102a, respectively.

Further, the linkage block 104b has a triangle structure, and three ends of the triangle structure are fixed with three rotation pins, which are respectively connected with the driving block 104a, the clamping block 102a and the base 101 in a rotation manner.

Further, the lifting member 105 includes a housing 105a fixed to the front side of the base 101, a movable slot 105b formed in the front side of the housing 105a, two lifting blocks 105c disposed in the housing 105a and having one side fixedly connected to the driving block 104a through the movable slot 105b, a screw rod 105d vertically rotatably connected to the housing 105a and penetrating the two lifting blocks 105c, a guide rod 105e vertically fixed to the housing 105a and penetrating the two lifting blocks 105c, and a servo motor 105f mounted on the upper end of the housing 105a and used for driving the screw rod 105d to rotate, wherein a threaded hole is formed at a penetrating position between the two lifting blocks 105c and the screw rod 105d, and the screw rod 105d is in threaded connection with the threaded hole.

The operation process comprises the following steps: when fixed, the servo motor 105f operates clockwise to drive the screw rod 105d to rotate, the screw rod 105d is in threaded connection with the lifting block 105c through threads, the lifting block 105c is enabled to ascend under the limit of the guide rod 105e through the threaded characteristic, the driving block 104a is driven to ascend when the lifting block 105c ascends, the driving block 104a is driven to rotate by taking the middle endpoint as a fulcrum when ascending, meanwhile, the pin shaft connected with the rotation of the clamping blocks 102a drives the two clamping blocks 102a to move relatively, the clamping blocks are clamped on the rod body of the anemoscope, manual holding is not needed, hands are liberated, the whole verification efficiency is improved, and the detection precision is high.

Example 2

Referring to fig. 4, this embodiment differs from the first embodiment in that: the clamping piece 102 further comprises a buffer body 102d, wherein the buffer body 102d comprises two cavities 102d-1 symmetrically arranged on the side of the clamping groove 102b and extending into the clamping block 102a, an air pressure rod 102d-2 fixed in the cavities 102d-1 and fixedly connected with the inner side of the clamping pad 102c at the telescopic end, and a spring 102d-3 sleeved on the outer side of the telescopic end of the air pressure rod 102 d-2.

The pneumatic rod 102d-2 and the cavity 102d-1 are fixed by metal glue, so that the fixation is firm.

The rest of the structure is the same as in embodiment 1.

The operation process comprises the following steps: during clamping, the clamping pad 102c is stressed to squeeze the pneumatic rod 102d-2, so that the clamping force can be buffered under the reaction force of the pneumatic and the spring 102d-3, the damage to the anemoscope rod body caused by rigid clamping is avoided, and unnecessary waste is reduced.

Example 3

Referring to fig. 5-6, this embodiment differs from the above embodiments in that: the embodiment discloses a wind vane verification device of a wind generating set, which comprises the rotation limiting mechanism and also comprises,

the bracket assembly 200 includes a carrier 201, two sets of lifters 202 disposed inside the carrier 201, and a driving member 203 for driving the lifters 202.

Further, the carrier 201 includes a base 201a, a lifting platform 201b disposed right above the base 201a, and a limit guide rod 201c fixed at four corner positions of the base surface of the base 201a and penetrating through the lifting platform 201b vertically upwards, and a wind direction checking instrument is installed on the lifting platform 201b for checking the direction checking instrument.

Further, the two sets of lifting members 202 each include two driving gears 202a and driven gears 202b which are engaged and connected, a rotating seat 202c fixed on the base 201a and rotationally connected to the driving gears 202a and the driven gears 202b, and a rotating lifting rod 202d fixed on the axial center of one side of the driving gears 202a and the driven gears 202b and the other end of which is respectively slidably connected with the bottom of the lifting table 201b, wherein the other end of the rotating lifting rod 202d is slidably connected with the bottom of the lifting table 201b through the rotating seat, a guide groove is formed at the position of the bottom of the lifting table 201b corresponding to the rotating seat, and the rotating seat is slidably connected with the guide groove.

Further, the driving member 203 includes a transmission gear 203a, a transmission rod 203b passing through the axis of the transmission gear 203a transversely and having two ends respectively rotatably fixed to the two driving gears 202a, a driving gear 203c engaging the transmission gear 203a, and a driving motor 203d mounted on the base 201a for driving the driving member 203 to rotate.

The rest of the structure is the same as in embodiment 2.

The operation process comprises the following steps: the base 201a is mounted on the wind power generation equipment through bolts and corresponds to the position of the anemoscope, when verification is needed, the driving motor 203d operates to drive the driving gear 203c to rotate, the transmission gear 203a synchronously rotates due to the meshing relationship, the transmission gear 203a simultaneously drives the two driving gears 202a to rotate through the transmission rod 203b, the driven gear 202b reversely rotates along with the driving gears 202a, and further drives the two rotating lifting rods 202d to relatively move, when the two rotating lifting rods 202d are vertical, the distance between the lifting table 201b and the base 201a is the farthest, the height adjustment is completed, and the wind power generation equipment is convenient to move to the rotating rod of the anemoscope;

this bracket component 200 installs simultaneously along with wind power generation equipment, need not to dismantle, but can drive the wind direction check gauge on the elevating platform 201b and carry out the check-up to the anemoscope when needing the check-up, need not the manual work to climb up and climb down the check, and check-up efficiency is high, and has solved the potential safety hazard of manual inspection, has ensured the safety of inspection personnel.

It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A rotation limiting mechanism, characterized in that: comprising the steps of (a) a step of,

the limiting assembly (100) comprises a base (101), two clamping pieces (102) oppositely arranged on the front side of the base (101), a sliding piece (103) fixed on the front side of the base (101) and connected with the two clamping pieces (102) in a sliding manner, a linkage piece (104) movably connected with the two clamping pieces (102), and a lifting piece (105) fixed on the front side of the base (101) and used for driving the two clamping pieces (102) to move relatively on the sliding piece (103) through the linkage piece (104);

the clamping piece (102) comprises a clamping block (102 a), a clamping groove (102 b) formed in the clamping side of the clamping block (102 a), and a clamping pad (102 c) arranged on the inner side of the clamping groove (102 b).

2. The rotation limiting mechanism as recited in claim 1, wherein: the sliding piece (103) comprises a sliding rail (103 a) fixed on the front side of the base (101), and a sliding block (103 b) fixed on the rear side of the clamping block (102 a) and attached to the upper base surface and the lower base surface of the sliding rail (103 a).

3. The rotation limiting mechanism as recited in claim 2, wherein: the linkage piece (104) comprises a driving block (104 a) attached to the front side of the lifting piece (105), and a linkage block (104 b) rotatably connected to two sides of the bottom end of the driving block (104 a) and rotatably connected with one side of the upper ends of the two clamping blocks (102 a).

4. A rotation limiting mechanism as claimed in claim 3, wherein: the linkage block (104 b) is of a triangular structure, three end points of the triangular structure are respectively fixed with a rotary pin, and the three rotary pins are respectively connected with the driving block (104 a), the clamping block (102 a) and the base (101) in a rotary mode.

5. The rotation limiting mechanism as defined in claim 4, wherein: the lifting piece (105) comprises a shell (105 a) fixed on the front side of the base (101), a movable groove (105 b) formed in the front side of the shell (105 a), two lifting blocks (105 c) arranged in the shell (105 a) and fixedly connected with the driving block (104 a) by one side penetrating through the movable groove (105 b), a screw rod (105 d) vertically connected in the shell (105 a) and penetrating through the two lifting blocks (105 c), a guide rod (105 e) vertically fixed in the shell (105 a) and penetrating through the two lifting blocks (105 c), and a servo motor (105 f) mounted at the upper end of the shell (105 a) and used for driving the screw rod (105 d) to rotate.

6. The rotation limiting mechanism as claimed in claim 1 or 5, wherein: the clamping piece (102) further comprises a buffer body (102 d), wherein the buffer body (102 d) comprises two cavities (102 d-1) symmetrically arranged on the side of the clamping groove (102 b) and extending into the clamping block (102 a), a pneumatic rod (102 d-2) fixed in the cavities (102 d-1) and fixedly connected with the inner side of the clamping pad (102 c) at the telescopic end, and a spring (102 d-3) sleeved on the outer side of the telescopic end of the pneumatic rod (102 d-2).

7. The utility model provides a wind generating set anemoscope verifying attachment which characterized in that: comprising the rotation limiting mechanism as claimed in any one of claims 1-6, further comprising,

the bracket assembly (200) comprises a carrier (201), two groups of lifting members (202) arranged on the inner side of the carrier (201), and a driving member (203) for driving the lifting members (202).

8. The wind turbine generator set anemometer verification device of claim 7 wherein: the carrier (201) comprises a base (201 a), a lifting table (201 b) arranged right above the base (201 a), and a limit guide rod (201 c) fixed at four corner positions of an upper base surface of the base (201 a) and vertically penetrating through the lifting table (201 b).

9. The wind turbine generator set anemometer verification device of claim 8 wherein: the two groups of lifting pieces (202) comprise two driving gears (202 a) and driven gears (202 b) which are connected in a meshed manner, a rotating seat (202 c) which is fixed on the base (201 a) and is rotationally connected with the driving gears (202 a) and the driven gears (202 b), and a rotating lifting rod (202 d) which is fixed at the axial center of one side of each driving gear (202 a) and one side of each driven gear (202 b) and the other end of each rotating lifting rod is respectively and slidably connected with the bottom of the lifting table (201 b).

10. Wind turbine generator system anemometer verification means according to claim 7 or 9, wherein: the driving piece (203) comprises a transmission gear (203 a), a transmission rod (203 b) which transversely penetrates through the axis of the transmission gear (203 a) and is rotationally fixed with the two driving gears (202 a) at two ends, a driving gear (203 c) which is meshed with the transmission gear (203 a), and a driving motor (203 d) which is arranged on the base (201 a) and is used for driving the driving piece (203) to rotate.