CN212479468U

CN212479468U - Trigger device of wind driven generator

Info

Publication number: CN212479468U
Application number: CN202020832629.3U
Authority: CN
Inventors: 张健
Original assignee: Datang Zhongdian Jilin New Energy Power Generation Co ltd
Current assignee: Datang Zhongdian Jilin New Energy Power Generation Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-02-05
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to a wind power generation technical field specifically is aerogenerator trigger device for adjust the problem that highly inconvenient and the precision is not high of simulation code wheel among the solution prior art. The utility model discloses a support frame, it has spout assembly to open along its direction of height on the support frame, install on the support frame and to follow the gliding backup pad of spout assembly direction of height, install the motor in the backup pad, be connected with the simulation code wheel through the pivot on the motor, the roof is still installed to the top surface of support frame, the top surface of backup pad is connected with the screw rod subassembly that passes the roof through the bearing, pass through threaded connection between screw rod subassembly and roof. The utility model discloses screw rod component can reciprocate along the direction of height in the rotation, and screw rod component drives backup pad and simulation code wheel in proper order again and reciprocates to the high precision of just adjusting of convenient regulation simulation code wheel more is higher.

Description

Trigger device of wind driven generator

Technical Field

The utility model relates to a wind power generation technical field, more specifically relate to aerogenerator trigger device.

Background

With the high-speed development of economy, energy becomes more and more important, the development of clean energy is more and more important, wind energy is one of the more important clean energy, the development of wind energy can not leave the fan, when daily maintenance and test of a wind turbine generator set are carried out, the rotating speed of a generator reaches 1920RPM for triggering, the fan needs to be stopped emergently, and if the fan cannot be stopped emergently after reaching high rotating speed, various unpredictable results can be generated.

In the prior art, a motor is usually used for driving a simulation code disc to simulate the rotation of a fan, when the motor drives the simulation code disc to rotate at a speed of 1920RPM, the speed of the fan in reality reaches 1920RPM, and at the moment, a trigger device carried by the simulation code disc alarms. For better simulation of the actual fan, the prior art has a motor mounted on a bracket, and the height of the motor can be adjusted by adjusting bolts on the bracket.

However, the height of the analog code wheel is adjusted through the adjusting bolt, so that on one hand, the adjustment is inconvenient, and on the other hand, the adjustment accuracy is not high. Therefore, there is a need for a trigger device with more convenient adjustment and higher accuracy.

SUMMERY OF THE UTILITY MODEL

Based on the above problem, an object of the utility model is to provide a aerogenerator trigger device for adjust the problem that highly inconvenient and the precision is not high of simulation code wheel among the solution prior art.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the wind driven generator triggering device comprises a supporting frame, wherein a sliding groove assembly is arranged on the supporting frame along the height direction of the supporting frame, a supporting plate capable of sliding along the height direction of the sliding groove assembly is installed on the supporting frame, a motor is installed on the supporting plate, a simulation coded disc is connected onto the motor through a rotating shaft, a top plate is further installed on the top surface of the supporting frame, a screw rod assembly penetrating through the top plate is connected to the top surface of the supporting plate through a bearing, and the screw rod assembly is in threaded connection with the top plate.

As a preferred mode, the support frame includes the bottom plate, a plurality of stands are installed to the top surface of bottom plate, and is a plurality of two liang of oppositions of stand, the spout subassembly is opened in the side of stand, the backup pad includes plate body and a plurality of slip arch as an organic whole of mutual shaping, and is a plurality of the slip is protruding even to be established in the side of plate body, the slip arch is located the spout subassembly, and with spout subassembly one-to-one.

As a preferable mode, the sliding groove assembly comprises a limiting groove and a sliding groove which are communicated with each other from outside to inside, and the width of the limiting groove is smaller than that of the sliding groove.

As a preferred mode, the sliding protrusion comprises a sliding rod and a sliding head which are integrally formed, the sliding rod is connected with the plate body and penetrates through the limiting groove, and the sliding head is located in the sliding groove.

In a preferred embodiment, the cross-sectional shape of the sliding groove is a circular arc, and the slider is spherical.

Preferably, the screw assembly comprises a front screw and a rear screw, the front screw is mounted at the front of the support plate, the rear screw is mounted at the rear of the support plate, and the upper ends of the front screw and the rear screw are connected with a transmission mechanism.

As a preferred mode, the transmission mechanism comprises a driving wheel arranged at the upper end of the front screw rod and a driven wheel arranged at the upper end of the rear screw rod, a belt is connected between the driving wheel and the driven wheel, the reference circle diameters of the driving wheel and the driven wheel are equal, and a handle is further arranged on the end face of the driving wheel.

The utility model has the advantages as follows:

(1) the utility model discloses when the height of simulation code wheel is adjusted to needs, only need rotate the screw rod subassembly can, because through threaded connection between screw rod subassembly and roof, and be connected through the bearing between backup pad and screw rod subassembly, so screw rod subassembly can reciprocate along the direction of height in rotatory, and screw rod subassembly drives backup pad and simulation code wheel in proper order again and reciprocates to it is higher to conveniently adjust the high just precision of adjusting of simulation code wheel more.

(2) The utility model discloses in be located a plurality of spout subassemblies through a plurality of slip archs on the plate body, and the shape of cross section of sliding tray is convex, and the slip arch is spherical, makes things convenient for the backup pad to slide from top to bottom along the stand like this on the one hand more, and on the other hand is more stable when making backup pad and simulation code wheel slide from top to bottom.

(3) The utility model discloses a screw rod and back screw rod before adjusting simultaneously to preceding screw rod and back screw rod are with the rotation of speed syntropy, thereby make the backup pad reciprocate more stably, because preceding screw rod and back screw rod all are the screw feed, so to simulate the regulation of code wheel in height more accurate.

(4) The utility model discloses a simulation code wheel simulation fan can test out VOG through analog signal under zero rotational speed and whether start protection makes the fan emergency shutdown under the fan hypervelocity, can simulate and guarantee that the fan does not receive the harm and can test out the accuracy that VOG triggered again.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1 according to the present invention;

FIG. 4 is a schematic top view of the support plate of the present invention;

FIG. 5 is a schematic view of the top view of the column of the present invention;

reference numerals: the device comprises a base plate 1, a stand column 2, a sliding chute assembly 3, a limiting groove 31, a sliding groove 32, a supporting plate 4, a sliding head 41, a plate body 42, a sliding rod 43, a bearing 5, a rear screw rod 6, a top plate 7, a driven wheel 8, a belt 9, a handle 10, a driving wheel 11, a motor 12, a rotating shaft 13, a simulation code wheel 14 and a front screw rod 15.

Detailed Description

For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.

Example (b):

as shown in fig. 1-5, the trigger device of the wind driven generator comprises a support frame, a chute assembly 3 is arranged on the support frame along the height direction of the support frame, a support plate 4 capable of sliding along the height direction of the chute assembly 3 is arranged on the support frame, a motor 12 is arranged on the support plate 4, a simulation coded disc 14 is connected to the motor 12 through a rotating shaft 13, a top plate 7 is further arranged on the top surface of the support frame, a screw rod assembly penetrating through the top plate 7 is connected to the top surface of the support plate 4 through a bearing 5, and the screw rod assembly is in threaded connection with.

The working principle is as follows: the analog code wheel 14 itself carries a wind turbine VOG sensor which is an M30 PNP 24V inductive sensor with a power supply of 24V, which returns 24V + to the PLC count card when it detects metal, and then converts these signals to rotor RPM (revolutions per minute) depending on frequency. When the rotating speed of the motor 12 driving the simulation coded disc 14 reaches 1920RPM for triggering, the simulation coded disc 14 can simulate the fan to be in emergency stop, so that the simulation coded disc 14 can simulate the fan, whether the VOG is started and protected under the condition that the fan is over-speed or not can be tested through simulation signals at zero rotating speed, the fan can be simulated to be prevented from being damaged, and the accuracy of VOG triggering can be tested.

When the height of simulation code wheel 14 needs to be adjusted, the worker can rotate the screw rod assembly, because pass through threaded connection between screw rod assembly and roof 7, so the screw rod assembly can reciprocate along the direction of height in rotatory, because be connected through bearing 5 between backup pad and screw rod assembly, so the rotation of screw rod assembly can not influence the rotation of backup pad 4, finally the screw rod assembly drives backup pad 4 in proper order, motor 12 and simulation code wheel 14 reciprocate, thereby conveniently adjust the height of simulation code wheel 14, because the screw rod assembly is the thread feed, so adjust the high precision of simulation code wheel 14, and the screw thread has the auto-lock nature, so can stop screw rod assembly's rotation at any time.

In order to move in the vertical direction under screw rod assembly's regulation backup pad 4 can drive simulation code wheel 14 more stably, the support frame includes bottom plate 1, a plurality of stands 2 are installed to the top surface of bottom plate 1, a plurality of stands 2 are two liang relative, spout subassembly 3 is opened in the side of stand 2, backup pad 4 is protruding including plate body 42 and a plurality of slip of mutual shaping as an organic whole, a plurality of slip are protruding even to be established in the side of plate body 42, the slip is protruding to be located spout subassembly 3, and with spout subassembly 3 one-to-one. When screw rod component drove backup pad 4 and reciprocated, a plurality of slip archs on backup pad 4 were located spout subassembly 3 one by one respectively, and the slip arch reciprocated along spout subassembly 3 in, a plurality of slip archs were located spout subassembly 3 one by one respectively like this to can make backup pad 4 reciprocate more stably.

Preferably, the chute assembly 3 comprises a limiting groove 31 and a sliding groove 32 which are communicated with each other from outside to inside, and the width of the limiting groove 31 is smaller than that of the sliding groove 32; the sliding bulge comprises a sliding rod 43 and a sliding head 41 which are formed into a whole, the sliding rod 43 is connected with the plate body 42 and penetrates through the limiting groove 31, and the sliding head 41 is positioned in the sliding groove 32; the cross-sectional shape of the slide groove 32 is circular arc, and the slider 41 is spherical. When the plate body 42 moves up and down in the vertical direction, the sliding rod 43 slides in the limiting groove 31, the sliding head 41 slides in the sliding groove 32, and the width of the limiting groove 31 is smaller than that of the sliding groove 32, so that the sliding head 41 can only enter the sliding groove 32 from the upper end of the sliding groove component 3, and the sliding head 41 can not come out from the side surface of the sliding groove component 3 in the sliding process, namely can not slide out from the limiting groove 31, and the limiting groove 31 can also play a left and right limiting role on the sliding rod 43, so that the stability and the accuracy of the movement of the support plate 4 and the simulation code wheel 14 in the vertical direction can be further improved.

In order to make the whole of the supporting plate 4 move up and down uniformly, the screw assembly comprises a front screw 15 and a rear screw 6, the front screw 15 is arranged at the front part of the supporting plate 4, the rear screw 6 is arranged at the rear part of the supporting plate 4, and the upper ends of the front screw 15 and the rear screw 6 are connected with a transmission mechanism. The transmission mechanism comprises a driving wheel 11 arranged at the upper end of a front screw 15 and a driven wheel 8 arranged at the upper end of a rear screw 6, a belt 9 is connected between the driving wheel 11 and the driven wheel 8, the reference circle diameters of the driving wheel 11 and the driven wheel 8 are equal, and a handle 10 is further arranged on the end face of the driving wheel 11. The staff only need rotate handle 10, handle 10 is rotatory to drive action wheel 11 rotatory in proper order, action wheel 11 is rotatory to drive belt 9 in proper order again, from driving wheel 8, back screw rod 6 and preceding screw rod 15 are rotatory, preceding screw rod 15 and back screw rod 6 pass through bearing 5 with backup pad 4 respectively and are connected, pass through threaded connection with roof 7, so can adjust backup pad 4 according to above-mentioned screw rod assembly's theory of operation and move on vertical direction, because preceding screw rod 15 and the rotation of back screw rod syntropy with the speed, thereby it is more stable to make backup pad 4 reciprocate, because preceding screw rod 15 and back screw rod all are the screw feed, so to simulation code wheel 14 the regulation in height more accurate.

The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. Aerogenerator trigger device, its characterized in that: the supporting frame is provided with a sliding groove assembly (3) along the height direction of the supporting frame, a supporting plate (4) capable of sliding along the height direction of the sliding groove assembly (3) is installed on the supporting frame, a motor (12) is installed on the supporting plate (4), a simulation code disc (14) is connected to the motor (12) through a rotating shaft (13), a top plate (7) is further installed on the top surface of the supporting frame, a screw rod assembly penetrating through the top plate (7) is connected to the top surface of the supporting plate (4) through a bearing (5), and the screw rod assembly is in threaded connection with the top plate (7).

2. Wind turbine triggering device according to claim 1, characterized in that: the support frame includes bottom plate (1), a plurality of stand (2) are installed to the top surface of bottom plate (1), and is a plurality of stand (2) two liang of relative, spout subassembly (3) are opened in the side of stand (2), backup pad (4) are protruding including plate body (42) and a plurality of slip that mutual shaping is as an organic whole, and are a plurality of the protruding even side of establishing at plate body (42) slides, the slip arch is located spout subassembly (3), and with spout subassembly (3) one-to-one.

3. Wind turbine triggering device according to claim 2, characterized in that: the sliding chute component (3) comprises a limiting groove (31) and a sliding groove (32) which are communicated with each other from outside to inside, and the width of the limiting groove (31) is smaller than that of the sliding groove (32).

4. Aerogenerator triggering device according to claim 3, characterized in that: the sliding bulge comprises a sliding rod (43) and a sliding head (41) which are integrally formed, the sliding rod (43) is connected with the plate body (42) and penetrates through the limiting groove (31), and the sliding head (41) is located in the sliding groove (32).

5. Aerogenerator triggering device according to claim 4, characterized in that: the cross section of the sliding groove (32) is arc-shaped, and the sliding head (41) is spherical.

6. Wind turbine triggering device according to claim 1, characterized in that: the screw rod assembly comprises a front screw rod (15) and a rear screw rod (6), the front screw rod (15) is installed on the front portion of the supporting plate (4), the rear screw rod (6) is installed on the rear portion of the supporting plate (4), and the upper ends of the front screw rod (15) and the rear screw rod (6) are connected with a transmission mechanism.

7. Wind turbine triggering device according to claim 6, characterized in that: drive mechanism is including installing in the front drive wheel (11) of screw rod (15) upper end and installing in back screw rod (6) upper end from driving wheel (8), be connected with belt (9) between drive wheel (11) and follow driving wheel (8), drive wheel (11) and the reference circle diameter from driving wheel (8) equal, handle (10) are still installed to the terminal surface of drive wheel (11).