CN214221407U

CN214221407U - Barring gear of wind generating set

Info

Publication number: CN214221407U
Application number: CN202120098076.8U
Authority: CN
Inventors: 陈旭; 杨登锋; 齐国栋; 秦秀洪; 吴厚海; 蔡华波; 伍小冬; 杨立平; 刘玲瑶; 陈知行
Original assignee: Chongqing Haizhuang Windpower Engineering Technology Co ltd
Current assignee: Chongqing Haizhuang Windpower Engineering Technology Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-09-17
Anticipated expiration: 2031-01-14

Abstract

The utility model relates to a wind generating set barring gear belongs to wind power generation technical field. This wind generating set barring gear, comprising a base plate, the vertical top of bottom plate is equipped with supporting platform, be equipped with on the bottom plate and be used for the drive supporting platform is the first drive assembly who reciprocates in the vertical direction, the bottom plate with the interval is provided with a plurality of direction subassemblies between the supporting platform, the last interval that is equipped with of supporting platform just rotates and is provided with two from the driving wheel that are used for driving the high-speed shaft brake disc, two be equipped with the action wheel between the follow driving wheel, the action wheel respectively with two connect from the driving wheel meshing, the action wheel transmission is connected with second drive assembly. Has the advantages that: the assembly and disassembly are convenient, the first driving assembly can realize the frictional contact between the driving wheel and the brake disc, and has the functions of clutching and braking; the second driving assembly can drive the driving wheel to drive the driven wheel to rotate, and the first driving assembly is matched with the second driving assembly to drive the brake disc to rotate.

Description

Barring gear of wind generating set

Technical Field

The utility model belongs to the technical field of wind power generation, concretely relates to wind generating set barring gear.

Background

Under the general condition, the double-fed wind generating set enters a hub or performs generator centering and other operations under the windless working condition, and the operation of turning is carried out manually by using a wrench or bare hands. The operation process wastes time and labor, the maintenance cost of the wind generating set is increased, and mechanical damage is easy to happen if gust or other emergency situations occur.

The existing barring gear comprises a gear reduction system, a hydraulic driving system, an electric control system and the like, wherein the gear reduction system and the hydraulic driving system are integrated together and hoisted and installed on a high-speed brake disc and a rack, and a high-speed shaft coupler needs to be removed before the gear reduction system and the hydraulic driving system are installed on the high-speed brake disc and the rack. However, the barring device is only suitable for hoisting the single blade of the wind generating set due to large volume and heavy weight and is not suitable for daily maintenance barring.

Therefore, the barring gear of the wind generating set is provided to solve the defects in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a barring gear of wind generating set for solving the above technical problems, which is convenient for assembly and disassembly, the first driving component can realize the friction contact between the driving wheel and the brake disc, and has the function of clutch and brake; the second driving assembly can drive the driving wheel to drive the driven wheel to rotate, so that the brake disc is driven to rotate.

The utility model provides an above-mentioned technical problem's technical scheme as follows: this wind generating set barring gear package bottom plate, the vertical top of bottom plate is equipped with supporting platform, be equipped with on the bottom plate and be used for the drive supporting platform reciprocates's first drive assembly in the vertical direction, the bottom plate with the interval is provided with a plurality of direction subassemblies between the supporting platform, the last interval and the rotation that is equipped with of supporting platform are provided with two and are used for driving the follow driving wheel of generator brake disc, two be equipped with the action wheel between the follow driving wheel, the action wheel respectively with two connect from the driving wheel meshing, the action wheel transmission is connected with second drive assembly.

Has the advantages that: the assembly and disassembly are convenient, the first driving assembly can realize the frictional contact between the driving wheel and the brake disc, and the clutch brake function is realized; the second driving assembly can drive the driving wheel to drive the driven wheel to rotate, so that the brake disc is driven to rotate.

Further, first drive assembly includes air pump, buffer tank and cylinder, the air pump the buffer tank with the cylinder is all fixed to be established the bottom plate, the gas outlet of air pump with the air inlet of buffer tank is connected, the gas outlet of buffer tank with the cylinder is connected, the output of cylinder is connected support platform's bottom.

The beneficial effect of adopting the further scheme is that: the structure is simple, and the installation and maintenance are convenient; the working speed is fast, the reliability is high, and the service life is long.

Further, the direction subassembly includes optical axis, optical axis fixing base and linear bearing, the optical axis fixing base is fixed on the bottom plate, be equipped with the arrangement groove on the bottom plate, the bottom of optical axis passes in proper order supporting platform with stretch into behind the optical axis fixing base in the arrangement inslot, be equipped with on supporting platform's the upper surface and be used for fixing the optical axis linear bearing.

The beneficial effect of adopting the further scheme is that: the device has a guiding function on the supporting platform, so that the whole device runs stably.

Further, the second driving assembly comprises a driving motor and a speed reducer, the output end of the speed reducer is in transmission connection with the driving wheel, and the input end of the speed reducer is connected with the output end of the driving motor.

The beneficial effect of adopting the further scheme is that: the automatic speed regulation device has the advantages of accurate speed regulation, automatic driving, convenient operation, high working efficiency and strong safety.

Furthermore, an electromagnetic brake is arranged on the driving motor.

The beneficial effect of adopting the further scheme is that: soft braking is formed with the rubber wheel and the like, and the motor, the driving gear and the driven gear are protected.

Further, the driving motor is a variable frequency motor.

The beneficial effect of adopting the further scheme is that: the starting is frequent, the rotating speed is adjustable, the response is rapid, the energy is saved, and the noise is low.

Furthermore, a first support and a second support are arranged on the supporting platform at intervals, an output shaft of the speed reducer sequentially penetrates through the second support and the first support to be sleeved on the driving wheel, driven wheel shafts are rotatably arranged between the two ends of the first support and the two ends of the second support, and one end of each driven wheel shaft is sleeved on the corresponding driven wheel.

The beneficial effect of adopting the further scheme is that: the gear transmission is simple in structure and stable in operation.

Further, the two driven wheels are rubber wheels.

The beneficial effect of adopting the further scheme is that: the main part adopts the aluminum alloy, and outside cover is equipped with wear-resisting rubber, can accomplish the lightweight again when guaranteeing intensity.

Furthermore, a plurality of electromagnets used for being fixed on the iron floor are arranged on the bottom plate at intervals.

The beneficial effect of adopting the further scheme is that: the electromagnet is electrified, so that the whole device is fixed on the floor, and the installation efficiency is improved.

Furthermore, a plurality of through holes used for arranging the electromagnets are formed in the bottom plate, the thickness of each electromagnet is larger than that of each through hole, and the electromagnets are fixed in the through holes through the electromagnet fixing covers.

The beneficial effect of adopting the further scheme is that: the electromagnet is convenient to fix, and the working requirement is met.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a right side view of FIG. 1;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a schematic structural view of the support platform;

FIG. 6 is a schematic view showing the installation position of the through-hole;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a base plate; 2. an electromagnet fixing cover; 3. an air pump; 4. a buffer tank; 5. a support platform; 6. an optical axis; 7. an optical axis fixing seat; 8. a linear bearing; 9. a cylinder; 10. a drive motor; 11. a speed reducer; 12. a driving wheel; 13. a first bracket; 14. a driven wheel; 15. a second bracket; 16. electromagnetic braking; 17. and a through hole.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1 to 5, the present embodiment provides a wind turbine generator system barring apparatus, including: the bottom plate 1, the material of bottom plate 1 is the aluminum alloy plate, can bear the barring load of the model of difference under the condition of assurance intensity. The vertical top of bottom plate 1 is equipped with supporting platform 5, be equipped with on bottom plate 1 and be used for the drive supporting platform 5 first drive assembly that reciprocates in the vertical direction, bottom plate 1 with the interval is provided with a plurality of direction subassemblies between supporting platform 5, be equipped with the interval on supporting platform 5 and rotate and be provided with two and be used for driving the driven wheel 14 of generator brake disc, two be equipped with action wheel 12 from between the wheel 14, action wheel 12 respectively with two from the meshing of wheel 14 and connect, action wheel 12 transmission is connected with second drive assembly.

The device has simple structure and convenient assembly and disassembly; the first driving assembly can realize the frictional contact between the driven wheel 14 and the brake disc, so that the maintenance is convenient; the clutch brake function is realized, and the smooth operation can be ensured; the second drive assembly can drive the driving wheel 12 to drive the driven wheel 14 to rotate, so that the brake disc is driven to rotate, the support platform 5 is more stable to move due to the arrangement of the guide assembly, and the safety is high.

Example 2

Preferably, in this embodiment, first drive assembly includes air pump 3, buffer tank 4 and cylinder 9, air pump 3 buffer tank 4 with cylinder 9 all establishes through bolt fastening on the bottom plate 1, air pump 3 adopts 48VDC drive, and buffer tank 4 adopts 304L stainless steel to make, can effectively prevent that air compression from producing moisture and causing the corrosion. The volume of the air cylinder is 1L, so that the pressure of an air pressure system can be effectively stabilized, and the air cylinder can be lifted and lowered for 6-9 times under the condition of complete energy storage. The cylinder 9 adopts an SDA80 multiplied by 25 thin aluminum alloy cylinder, and is light, durable and convenient to install. The gas outlet of air pump 3 with the air inlet of buffer tank 4 is connected, the gas outlet of buffer tank 4 pass through the trachea with cylinder 9 connects, is equipped with the gas accuse valve on the trachea, can adjust the direction of gas transmission to make the output reciprocating motion of cylinder 9, the output of cylinder 9 is connected support platform 5's bottom.

Example 3

Preferably, in this embodiment, the guide assembly includes optical axis 6, optical axis fixing base 7 and linear bearing 8, optical axis fixing base 7 passes through the bolt fastening on the bottom plate 1, be equipped with the arrangement groove on the bottom plate 1, the bottom of optical axis 6 passes in proper order supporting platform 5 with stretch into behind the optical axis fixing base 7 in the arrangement groove, be equipped with on the upper surface of supporting platform 5 and be used for fixing optical axis 6 linear bearing 8. Optical axis 6 adopts high strength steel, and mirror finish is done to the surface, taps M8's screw on the top simultaneously, the lug of easy to assemble. In addition, a through hole 17 of 10mm is arranged between the optical axis 6 and the bottom plate 1 in a matched mode, the thickness of the electromagnet is larger than that of the through hole 17, the electromagnet is fixed in the through hole 17 through the electromagnet fixing cover 2, the fixing strength and rigidity of the optical axis 6 can be improved, and the load of the turning gear can be improved.

Example 4

Preferably, in this embodiment, the guide assembly includes optical axis 6, optical axis fixing base 7 and linear bearing 8, optical axis fixing base 7 passes through the bolt fastening on the bottom plate 1, be equipped with the arrangement groove on the bottom plate 1, the bottom of optical axis 6 passes in proper order supporting platform 5 with stretch into behind the optical axis fixing base 7 in the arrangement groove, be equipped with on supporting platform 5's the upper surface and be used for fixing optical axis 6 linear bearing 8, linear bearing 8 adopt 61905 deep groove ball bearing, the good cost of durability is cheap. Optical axis 6 adopts high strength steel, and mirror finish is done to the surface, taps M8's screw on the top simultaneously, the lug of easy to assemble. In addition, a through hole 17 of 10mm is arranged between the optical axis 6 and the bottom plate 1 in a matched mode, the thickness of the electromagnet is larger than that of the through hole 17, the electromagnet is fixed in the through hole 17 through the electromagnet fixing cover 2, the fixing strength and rigidity of the optical axis 6 can be improved, and the load of the turning gear can be improved.

Preferably, in this embodiment, the second driving assembly includes a variable-frequency driving motor 10 and a speed reducer 11, an output end of the speed reducer 11 is connected to the driving wheel 12 in a transmission manner, an input end of the speed reducer 11 is connected to an output end of the driving motor 10, an electromagnetic brake 16 is disposed on the driving motor 10, a rubber wheel on the jacking support platform 5 of the air cylinder 9 is pressed against a brake disc, and when the electromagnetic brake 16 is started, the driving motor 10 can be prevented from rotating under the external force in the standing state. The driving motor 10 adopts a permanent magnet brushless motor of 980w 2980rpm, and the driving motor 10 is matched with the speed reducer 11 through a motor adapter plate. The electromagnetic brake 16 adopts 24V driving and is powered off. The braking torque is adjusted to 3NM, and the rubber wheel output 3000N of 120NM braking torque can be provided after the rubber wheel is amplified by the speed reducer. Soft braking is formed with rubber wheels and the like, and protection of the driving motor 10, the driven wheel 13 and the driving wheel 12 is achieved. The main part of rubber wheel adopts the aluminum alloy, and outside cover is equipped with wear-resisting rubber, and the light-weighted is accomplished to the best possible to the proof strength.

Example 5

Preferably, in this embodiment, the supporting platform 5 is provided with a first support 13 and a second support 15 at an interval, the output shaft of the speed reducer 11 sequentially passes through the second support 15 and the first support 13 to be sleeved on the driving wheel 12, driven wheel shafts are rotatably provided between two ends of the first support 13 and the second support 15 through bearings, and one end of each driven wheel shaft is sleeved on the driven wheel 14, so that the bearings are fixed and positioned, the gears are driven, and the operation is stable.

Preferably, in this embodiment, a plurality of electromagnets for fixing on the iron floor are arranged on the bottom plate 1 at intervals. The bottom plate 1 is provided with a plurality of through holes 17 used for arranging the electromagnets, the thickness of the electromagnets is larger than that of the through holes 17, and the electromagnets are fixed in the through holes 17 through the electromagnet fixing covers 2.

As shown in fig. 6, the bottom plate 1 is provided with a through hole 17 for mounting an electromagnet, an optical axis mounting hole, a mounting groove of the cylinder 9 and a corresponding mounting screw hole. Meanwhile, in order to ensure that the cylinder 9 can smoothly lift and the strength and rigidity meet the requirements, the center distance of the optical axes 6 with 2 main bearing forces is increased to increase the torsional rigidity of the cylinder.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a wind generating set barring gear which characterized in that includes:

bottom plate (1), the vertical top of bottom plate (1) is equipped with supporting platform (5), be equipped with on bottom plate (1) and be used for the drive supporting platform (5) the first drive assembly who reciprocates in the vertical direction, bottom plate (1) with the interval is provided with a plurality of direction subassemblies between supporting platform (5), be equipped with the interval on supporting platform (5) and rotate and be provided with two and be used for driving the driven wheel (14) of generator brake disc, two be equipped with action wheel (12) between driven wheel (14), action wheel (12) respectively with two connect from driving wheel (14) meshing, action wheel (12) transmission is connected with second drive assembly.

2. The barring gear of the wind generating set according to claim 1, wherein the first driving assembly comprises an air pump (3), a buffer tank (4) and an air cylinder (9), the air pump (3), the buffer tank (4) and the air cylinder (9) are all fixedly arranged on the bottom plate (1), an air outlet of the air pump (3) is connected with an air inlet of the buffer tank (4), an air outlet of the buffer tank (4) is connected with the air cylinder (9), and an output end of the air cylinder (9) is connected to the bottom of the supporting platform (5).

3. The jigger device of the wind generating set according to claim 1, wherein the guide assembly comprises an optical axis (6), an optical axis fixing seat (7) and a linear bearing (8), the optical axis fixing seat (7) is fixed on the bottom plate (1), a placement groove is formed in the bottom plate (1), the bottom end of the optical axis (6) sequentially penetrates through the supporting platform (5) and the optical axis fixing seat (7) and then extends into the placement groove, and the linear bearing (8) used for fixing the optical axis (6) is arranged on the upper surface of the supporting platform (5).

4. The barring device for the wind generating set according to claim 1, wherein the second driving assembly comprises a driving motor (10) and a speed reducer (11), an output end of the speed reducer (11) is in transmission connection with the driving wheel (12), and an input end of the speed reducer (11) is connected with an output end of the driving motor (10).

5. Wind turbine generator system barring gear according to claim 4, characterized in that an electromagnetic brake (16) is provided on the driving motor (10).

6. Wind turbine generator system barring gear according to claim 4, characterized in that the driving motor (10) is a variable frequency motor.

7. The barring gear of the wind generating set according to claim 4, wherein a first support (13) and a second support (15) are arranged on the supporting platform (5) at intervals, an output shaft of the speed reducer (11) sequentially penetrates through the second support (15) and the first support (13) to be sleeved on the driving wheel (12), driven wheel shafts are rotatably arranged between two ends of the first support (13) and the second support (15), and one end of each driven wheel shaft is sleeved on the driven wheel (14).

8. Wind turbine generator unit barring gear according to any of the claims 1-7, characterised in that both driven wheels (14) are rubber wheels.

9. The barring gear of the wind generating set according to any one of claims 1 to 7, characterized in that a plurality of electromagnets for fixing on a ferrous floor are arranged at intervals on the base plate (1).

10. The barring gear of the wind generating set according to claim 9, characterized in that a plurality of through holes (17) for accommodating the electromagnets are formed in the bottom plate (1), the thickness of the electromagnets is larger than that of the through holes (17), and the electromagnets are fixed in the through holes (17) through the electromagnet fixing cover (2).