CN215773014U

CN215773014U - Mass damper and tracking support applying same

Info

Publication number: CN215773014U
Application number: CN202122101994.4U
Authority: CN
Inventors: 夏荣根; 谭强; 赵波; 董梅娟
Original assignee: Jiangsu Guoqiang Xingsheng Energy Technology Co ltd
Current assignee: Jiangsu Guoqiang Xingsheng Energy Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-08
Anticipated expiration: 2031-09-01

Abstract

The utility model belongs to the technical field of solar photovoltaic power generation's technique and specifically relates to a trail support that relates to a quality attenuator and applied this attenuator, it includes walking beam and a plurality of being used for fixed connection the balancing pole of walking beam, be fixed with the jib on the balancing pole, be fixed with the bearing tray on the jib, lie in on the jib the slip cross-under has the hanger plate between balancing pole and the bearing tray, be connected with the balancing weight on the hanger plate, be connected with the spring between bearing tray and the hanger plate, the spring housing is located on the jib, the walking beam is connected with a plurality of being used for supporting the support column of walking beam, the walking beam upper berth is equipped with a plurality of supports that are used for installing solar cell panel, be provided with on the support column and be used for the drive the motor of walking beam. The vibration frequency of the tracking support is rapidly reduced under the condition that the tracking support vibrates.

Description

Mass damper and tracking support applying same

Technical Field

The application relates to the technical field of solar photovoltaic power generation, in particular to a mass damper and a tracking support applying the same.

Background

At present, a sun tracking system is a power device which can keep a solar cell panel to face the sun at any time, so that the light of sunlight vertically irradiates the solar cell panel at any time, the power generation efficiency of a solar photovoltaic module can be obviously improved, and the sun tracking system comprises a flat single-axis tracking type, an inclined single-axis tracking type and a double-axis tracking type.

In the prior art, the flat single-axis tracking support comprises a plurality of supporting stand columns, rotating beams are arranged on the supporting stand columns, a plurality of supports used for mounting the cell panel are fixed on the rotating beams, driving motors used for driving the rotating beams to rotate are arranged on the rotating beams, the rotating beams are driven to rotate through the driving motors, and therefore the rotating beams drive the support to rotate so that the cell panel faces the sun.

Aiming at the related technologies, the inventor thinks that when wind blows, the flat single-axis tracking support and the solar panel can vibrate under the action of wind pressure, the long-time vibration can cause the flat single-axis tracking support to generate vibration fatigue, and when the vibration frequency generated by the transverse acting force of the wind is the same as or close to the vibration frequency of the flat single-axis tracking support, wind load resonance can be generated, so that the flat single-axis tracking support is damaged.

SUMMERY OF THE UTILITY MODEL

In order to rapidly reduce the vibration frequency of the tracking support under the condition that the tracking support vibrates, the application provides a mass damper and a tracking support applying the mass damper.

In a first aspect, the mass damper provided by the present application adopts the following technical scheme:

the mass damper comprises a balance rod, wherein a hanging rod is fixed on the balance rod, a bearing tray is fixed on the hanging rod, a hanging plate is arranged on the hanging rod and is in sliding connection with the balance rod and the bearing tray, a balancing weight is connected to the hanging plate, and an elastic piece is arranged between the bearing tray and the hanging plate.

Through adopting above-mentioned technical scheme, during the balancing pole vibration, the balancing pole makes the tray vibration through the jib, and the elastic component absorbs the vibration energy of balancing pole through the cushioning effect cooperation hanger plate and the balancing weight of self, has reduced the vibration frequency of balancing pole, when tracking the support and using this mass damper, when tracking the support and taking place under the condition of vibration, is favorable to reducing the vibration frequency of tracking the support fast.

Optionally, the elastic element is arranged to be sleeved with a spring on the suspension rod, one end of the spring is connected with the bearing plate, the other end of the spring is connected with the suspension plate, and a limiting ring used for adjusting the compression amount of the spring is sleeved on the suspension rod in a threaded manner.

Through adopting above-mentioned technical scheme, the compression capacity of spring too can make the cushioning effect of spring reduce, lead to the damping effect variation of balancing pole, the compression capacity of spring too little can lead to the hanger plate to take place to beat easily, reduce the damping effect of spring to the balancing pole, adjust the position of spacing ring with adjusting spring's compression capacity through rotating the spacing ring, realize promoting the damping effect of spring to the balancing pole, when tracking the support and using this quality damper, under the condition that the support takes place to vibrate is tracked, be favorable to reducing the vibration frequency who tracks the support fast.

In a second aspect, the following technical solution is adopted in the tracking bracket of the mass damper provided by the application: the solar cell panel rotating device comprises a rotating beam and a plurality of balancing rods connected with the rotating beam, wherein the rotating beam is connected with a plurality of supporting columns used for supporting the rotating beam, a plurality of supports used for mounting a solar cell panel are paved on the rotating beam, and a motor used for driving the rotating beam is arranged on each supporting column.

Through adopting above-mentioned technical scheme, staff driving motor, the output shaft of motor drives the input shaft rotation of reduction gear, the output shaft of reduction gear drives the live-axle beam and rotates, and make support and solar cell panel rotate to the orientation sun, promote solar cell panel's power, when the live-axle beam vibration, the balancing pole makes the tray vibration through the jib, the elastic component absorbs the vibration energy of balancing pole through the cushioning effect cooperation hanger plate of self and balancing weight, the vibration frequency of live-axle beam has been reduced, under the condition that the support takes place to vibrate is trailed, be favorable to reducing the vibration frequency who trails the support fast.

Optionally, a movable box is arranged on the support, a movable block is placed in the movable box, and a gap is formed between the movable block and the movable box.

Through adopting above-mentioned technical scheme, the movable box has increased the whole weight of support, and the vibration range of support reduces under the same effort, and the movable block can move in the clearance between movable box and the movable block, and the movable block is through the supplementary energy that consumes the movable box vibration production of motion to reduce the vibration frequency of support, under the circumstances that the vibration takes place at the tracking support, be favorable to further reducing the vibration frequency who trails the support fast.

Optionally, a hydraulic damper is arranged on the supporting column, one end of the hydraulic damper is hinged to the support, and the other end of the hydraulic damper is hinged to the supporting column.

Through adopting above-mentioned technical scheme, hydraulic damper can be through the energy conversion absorption support of self inside and the energy that the live beam vibration produced, realizes reducing the vibration frequency of support and live beam, under the circumstances that the support takes place the vibration is trailed, is favorable to further reducing the vibration frequency who trails the support fast.

Optionally, the turning beam is arranged as a prism.

Through adopting above-mentioned technical scheme, prismatic is compared in the area of contact of cylinder with the support bigger, has promoted the stability of being connected of support with the prism, and the vibration range of support further reduces under the same effort, is favorable to the vibration energy rapid transfer that the support produced to the live-beams on.

Optionally, the fixed sleeve on the turning beam is provided with a plurality of turning rings, the support column is provided with a plurality of bearing seats for circumferential rotation of the turning rings by taking the axis of the turning rings as the center, and the turning rings are in one-to-one correspondence with the bearing seats.

Through adopting above-mentioned technical scheme, through swivel becket circumferential direction on bearing the swivel mount, realize that the live-beam revolutes the axis of rotation of swivel becket, be favorable to live-beam, support and solar cell panel steady rotation on the support column.

Optionally, an output shaft of the motor is connected to a speed reducer, and an output shaft of the speed reducer is connected to the rotating beam.

By adopting the technical scheme, the speed reducer can convert the rotating speed part of the output shaft of the motor into torque transmitted to the rotating beam through gear transmission, so that the load of the motor is reduced, and the rotating beam can stably rotate.

Optionally, the support is provided with a plurality of locking nails for locking the movable box, and the support is provided with waist-shaped grooves for the locking nails to penetrate through.

By adopting the technical scheme, the staff adjusts the weight of the movable block according to actual calculation, the movable block is placed in the movable box, the locking nail penetrates through the waist-shaped groove and locks the movable box, the movable box and the movable block generate eccentric moment on the rotating beam under the action of gravity, and the size range of the eccentric moment generated by the movable box and the movable block can be adjusted by adjusting the position of the locking nail in the waist-shaped groove.

In summary, the present application includes at least one of the following beneficial technical effects:

when the balance rod vibrates, the balance rod enables the bearing tray to vibrate through the hanging rod, the elastic part is matched with the hanging plate and the balancing weight to absorb the vibration energy of the balance rod through the self buffering effect, the vibration frequency of the balance rod is reduced, and when the mass damper is applied to the tracking support, the vibration frequency of the tracking support is favorably and rapidly reduced under the condition that the tracking support vibrates;

when the mass damper is applied to the tracking support, under the condition that the tracking support vibrates, the vibration frequency of the tracking support is favorably and rapidly reduced;

when the rotating beam vibrates, the balancing pole makes the bearing tray vibrate through the suspender, the elastic part is matched with the hanging plate and the balancing weight to absorb the vibration energy of the balancing pole through the self buffering effect, the vibration frequency of the rotating beam is reduced, and the vibration frequency of the tracking support is favorably and quickly reduced under the condition that the tracking support vibrates.

Drawings

Fig. 1 is a schematic structural diagram for embodying a rotating beam, a supporting column, a foot rest, a bearing seat, a supporting plate, a bracket, a motor, a speed reducer, a bearing plate, a rotating ring, a balancing rod, a balancing weight and a solar cell panel in the embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a cross-sectional view for embodying the support column, the hydraulic damper, the bracket, the support plate, the waist-shaped groove, the locking pin, the movable box, the movable block, the rubber sheet, the rubber plate and the screw ii in the embodiment of the present application.

Reference number specification, 1, support column; 11. a foot rest; 12. a bearing seat; 13. a support plate; 14. a hydraulic damper; 2. a turning beam; 21. a support; 211. a movable box; 2111. a box cover; 212. a movable block; 2121. a rubber sheet; 213. a waist-shaped groove; 214. locking nails; 215. a support plate; 22. a second screw; 23. a rubber plate; 24. a motor; 25. a speed reducer; 26. a rotating ring; 3. a balancing pole; 31. a boom; 32. a spring; 33. a support tray; 34. a platen; 35. a hanger plate; 351. a connecting plate; 36. a balancing weight; 361. a first screw; 37. a limiting ring; 4. a solar cell panel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a mass damper.

Referring to fig. 1 and 2, a mass damper includes a stabilizer bar 3, and a suspension rod 31 is fixedly attached to a bottom wall of the stabilizer bar 3, and an axis of the suspension rod 31 is perpendicular to the bottom wall of the stabilizer bar 3. The bottom end of the suspension rod 31 is fixedly connected with a bearing tray 33, and a suspension plate 35 is slidably penetrated on the suspension rod 31. The bottom wall of the hanging plate 35 is fixedly connected with a connecting plate 351, the connecting plate 351 and the hanging plate 35 are integrally formed, the whole body formed by the connecting plate 351 and the hanging plate 35 is in a frame shape, and the bearing plate 215 is located between the connecting plate 351 and the hanging plate 35. A counterweight block 36 is arranged below the bottom wall of the connecting plate 351, and a screw 361 penetrates through the wall of the connecting plate 351 facing the hanging plate 35, and the screw 361 is in threaded connection with the top wall of the counterweight block 36. The inner bottom wall of the supporting tray 33 supports the elastic element, the elastic element is a spring 32, the spring 32 is sleeved on the suspension rod 31, the top end of the spring 32 supports a pressure plate 34, and the top wall of the pressure plate 34 abuts against the bottom wall of the suspension plate 35. The pressure plate 34 and the support tray 33 limit the lateral deflection of the spring 32 and provide a guiding function for the spring 32, and the suspension rod 31 is beneficial to reducing the possibility of bending of the spring 32.

When the balance bar 3 vibrates, the balance bar 3 drives the suspension rod 31 to vibrate the bearing tray 33, when the bearing tray 33 vibrates upwards, the balancing weight 36 pulls the connecting plate 351 to enable the suspension plate 35 to downwards extrude the pressure plate 34, the pressure plate 34 downwards extrudes the spring 32, the tension of the spring 32 on the bearing tray 33 reduces the distance of the upward displacement of the bearing tray 34, the vibration of the bearing tray 34 is reduced, and the vibration frequency of the balance bar 3 is reduced.

Referring to fig. 2, a limit ring 37 is screwed on the side rod wall of the suspension rod 31, and the bottom wall of the limit ring 37 abuts against the bottom wall of the suspension plate 35. The too big buffering effect that can reduce spring 32 of the compression of spring 32 leads to spring 32 to worsen to the effect of the damping of balancing pole 3, and the too little effect that can lead to hanger plate 35 of spring 32 beats, reduces spring 32 to the damping effect of balancing pole 3, adjusts the position of spacing ring 37 with adjusting spring 32's compression through rotating spacing ring 37, realizes promoting spring 32 to the damping effect of balancing pole 3.

The implementation principle of the mass damper in the embodiment of the application is as follows: the worker fixedly connects the boom 31 to the balance bar 3, connects the screw 361 to the connecting plate 351 and threadedly connects the counterweight block 36, and finally adjusts the compression amount of the spring 32 by adjusting the limiting ring 37.

The application also discloses a tracking support applying the mass damper.

Referring to fig. 1 and 3, a tracking support using a mass damper includes a rotating beam 2, a plurality of balance bars 3 are disposed on a bottom wall of the rotating beam 2, the number of the balance bars 3 is two in the embodiment of the present application, a top wall of each balance bar 3 is fixedly connected to the bottom wall of the rotating beam 2, a side wall of each balance bar 3 is perpendicular to the bottom wall of the rotating beam 2, a plurality of support columns 1 are disposed below the rotating beam 2, and the number of the support columns 1 is two in the embodiment of the present application. Support column 1 supports pivoted beam 2, and the welding has foot rest 11 on the diapire of support column 1, and two support columns 1 of foot rest 11 bearing, and foot rest 11 are the square frame form, are favorable to promoting the stability of support column 1. A motor 24 is fixed on the side wall of the support column 1, an output shaft of the motor 24 is connected with a speed reducer 25, and an output shaft of the speed reducer 25 is fixedly connected with the end wall of the rotating beam 2. The extending direction tiling of the axis of rotation of following pivoted beam 2 on the roof of pivoted beam 2 has a plurality of supports 21, and the quantity of support 21 in the embodiment of this application sets up to three, all installs solar cell panel 4 between two adjacent supports 21.

The staff driving motor 24, the output shaft of motor 24 drives the input shaft rotation of reduction gear 25, and the output shaft of reduction gear 25 drives the pivoted beam 2 and rotates to make support 21 and solar cell panel 4 rotate to the sun, promotes the power of solar cell panel 4, and reduction gear 25 can be through gear drive with the partial torque that turns into the transmission to pivoted beam 2 of the rotational speed of the output shaft of motor 24, has reduced the load of motor 24 and has made pivoted beam 2 steadily rotate. When the rotating beam 2 vibrates, the balancing rod 3 enables the bearing tray 33 to vibrate through the suspension rod 31, when the bearing tray 33 vibrates upwards, the balancing weight 36 pulls the connecting plate 351 to enable the suspension plate 35 to downwards extrude the pressure plate 34, the pressure plate 34 downwards extrudes the spring 32, the tension of the spring 32 on the bearing tray 33 reduces the distance of upward displacement of the bearing tray 34, the vibration of the bearing tray 34 is reduced, the vibration frequency of the rotating beam 2 is reduced, and under the condition that the tracking support vibrates, the vibration frequency of the tracking support is favorably and rapidly reduced. When the turning beam 2 rotates, the turning beam 2 drives one end of the suspension rod 31 connected with the turning beam 2 to rotate, the balancing weight 36 and the suspension rod 31 rotate under the action of gravity, the balancing weight 36 exerts eccentric torque on the turning beam 2 under the action of gravity, and the torque exerted on the turning beam 2 is adjusted through the eccentric torque, so that the load of the speed reducer 25 is reduced, and the protection of the speed reducer 25 is facilitated.

Referring to fig. 1, the turning beam 2 is provided as a prism, and the turning beam 2 is provided as a quadrangular prism in the embodiment of the present application. The rotating beam 2 is fixedly sleeved with a plurality of rotating rings 26, the top wall of the support column 1 is fixed with a rotating bearing seat 12 for the sliding connection of the rotating rings 26, the rotating bearing seat 12 is annular, and the inner wall of the rotating bearing seat 12 is attached to the rotating rings 26. The prism is bigger than the area of contact of cylinder with support 21, has promoted the stability of being connected of support 21 with the prism, makes support 21's vibration amplitude reduce under the same effort, is favorable to the vibration energy rapid transfer that support 21 vibration produced to the live beam 2 on. The rotating beam 2 rotates around the rotating shaft of the rotating ring 26 through the circumferential rotation of the rotating ring 26 on the rotation bearing seat 12, and the rotating beam 2 can rotate stably on the supporting column 1.

Referring to fig. 1 and 3, a supporting plate 215 is fixed to the top wall of the bracket 21, the supporting plate 215 and the bracket 21 are integrally formed, and the overall cross section of the supporting plate 215 and the bracket 21 is Contraband-shaped. The top wall of the supporting plate 215 is fixedly connected with the bottom wall of the solar cell panel 4, and a waist-shaped groove 213 is formed in the top wall of the bracket 21 on one side of the rotating beam 2 departing from the motor 24. A locking nail 214 is penetrated in the waist-shaped groove 213, and the bottom end of the locking nail 214 is connected with a movable box 211 in a threaded manner. The side wall of the movable box 211 facing the rotating beam 2 is hinged with a box cover 2111, a movable block 212 is placed in the movable box 211, and a gap exists between the movable block 212 and the movable box 211. The inner bottom wall of the movable box 211 is bonded with a rubber sheet 2121, and the top wall of the rubber sheet 2121 is attached to the bottom wall of the movable block 212.

The staff adjusts the weight of the movable block 212 according to the actual calculation, then opens the box cover 2111 and puts the movable block 212 into the movable box 211, closes the box cover 2111 and then connects the locking nail 214 with the waist-shaped groove 213 and connects the top wall of the movable box 211 with the screw thread, then presses the locking nail 214 and rotates the movable box 211 to make the top wall of the movable box 211 tightly support the bottom wall of the bracket 21, thus realizing the locking of the movable box 211. The movable box 211 increases the overall weight of the bracket 21, allowing the vibration amplitude of the bracket 21 to be further reduced under the same force. The movable box 211 and the movable block 212 generate an eccentric moment on the rotating beam 2 under the action of gravity, the size range of the eccentric moment generated by the movable box 211 and the movable block 212 can be adjusted by adjusting the position of the locking nail 214 in the kidney-shaped groove 213, the load of the speed reducer 25 is reduced, and the speed reducer 25 is protected. The movable block 212 can move in the gap between the movable box 211 and the movable block 212, and the movable block 212 assists to consume energy generated by vibration of the movable box 211 through movement, so that the vibration frequency of the bracket 21 can be reduced rapidly under the condition that the bracket is tracked to vibrate. The rubber sheet 2121 can assist in consuming energy generated by vibration of the movable box 211 through deformation of the rubber sheet, so that the vibration frequency of the support 21 is further reduced, and under the condition that the tracking support vibrates, the vibration frequency of the tracking support is further reduced.

Referring to fig. 3, a rubber plate 23 is arranged between the bracket 21 and the rotating beam 2, and a plurality of screws two 22 are connected to the top wall of the bracket 21 in a penetrating manner, in the embodiment of the present application, the number of the screws two 22 is two. The second screw 22 penetrates through the rubber plate 23 and is in threaded connection with the top wall of the rotating beam 2. The staff cross-under connects support 21 and rubber slab 23 with screw two 22 in proper order, makes screw two 22 threaded connection live-beams 2 afterwards, and when support 21 and live-beams 2 took place the vibration, rubber slab 23 absorbed the vibration energy that support 21 and live-beams 2 produced through the deformation of self, realizes reducing the vibration frequency of support 21 and live-beams 2, under the circumstances that the support takes place the vibration is tracked, is favorable to further reducing the vibration frequency of tracking the support fast.

Referring to fig. 1 and 3, a support plate 13 is fixed on the side wall of the support column 1, and a hydraulic damper 14 is hinged on the side wall of the support plate 13 facing away from the motor 24. The end of the hydraulic damper 14 facing away from the support plate 13 is hinged to the bottom wall of the bracket 21. The hydraulic damper 14 can absorb energy generated by vibration of the support 21 and the rotating beam 2 through energy conversion in the hydraulic damper, so that the vibration frequency of the support 21 and the rotating beam 2 is further reduced, and the vibration frequency of the tracking support is further reduced under the condition that the tracking support vibrates.

The implementation principle of the tracking support applying the mass damper is as follows: the staff drive motor 24, the output shaft of motor 24 drives the input shaft rotation of reduction gear 25, the output shaft of reduction gear 25 drives the walking beam 2 and rotates, and make support 21 and solar cell panel 4 rotate to the sun of orientation, the staff adjusts the weight of movable block 212 according to actual calculation, then open case lid 2111 and put into movable box 211 with movable block 212, cross the lock pin 214 with waist type groove 213 and threaded connection movable box 211's roof after closing case lid 2111, then make movable box 211 support the diapire of support 21 tightly through rotatory lock pin 214, the staff accessible is adjusted the size scope of the eccentric moment that movable box 211 and movable block 212 produced in the position of adjusting lock pin 214 in waist type groove 213.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A mass damper, characterized by: including stabilizer bar (3), be fixed with jib (31) on stabilizer bar (3), be fixed with on jib (31) and hold tray (33), lie in on jib (31) balance bar (3) and hold slip cross-under between tray (33) have hanger plate (35), be connected with balancing weight (36) on hanger plate (35), be provided with the elastic component between tray (33) and hanger plate (35).

2. A mass damper as claimed in claim 1, wherein: the elastic component sets up to the cover and locates spring (32) on jib (31), the one end of spring (32) is connected tray (33), the other end of spring (32) is connected hanger plate (35), threaded sleeve is equipped with and is used for adjusting on jib (31) spacing ring (37) of the compression capacity of spring (32).

3. A tracking support using the mass damper as claimed in claim 1, wherein: including live-action beam (2) and a plurality of fixed connection the balancing pole (3) of live-action beam (2), live-action beam (2) are connected with a plurality of support columns (1) that are used for supporting live-action beam (2), live-action beam (2) upper berth is equipped with a plurality of supports (21) that are used for installing solar cell panel (4), be provided with on support column (1) and be used for the drive motor (24) of live-action beam (2).

4. A tracking support for a mass damper as claimed in claim 3, wherein: the movable box (211) is arranged on the support (21), the movable block (212) is placed in the movable box (211), and a gap is formed between the movable block (212) and the movable box (211).

5. A tracking support for a mass damper as claimed in claim 3, wherein: be provided with hydraulic damper (14) on support column (1), the one end of hydraulic damper (14) is articulated support (21), the other end of hydraulic damper (14) is articulated support column (1).

6. A tracking support for a mass damper as claimed in claim 3, wherein: the rotating beam (2) is arranged to be a prism.

7. The mass damper tracking bracket of claim 6, wherein: the fixed cover is equipped with a plurality of swivel becket (26) on swivel beam (2), be provided with a plurality of confessions on support column (1) swivel becket (26) uses the axis of self as central circumferential direction's rotation seat (12), and is a plurality of swivel becket (26) and a plurality of rotation seat (12) one-to-one.

8. A tracking support for a mass damper as claimed in claim 3, wherein: an output shaft of the motor (24) is connected with a speed reducer (25), and an output shaft of the speed reducer (25) is connected with the rotating beam (2).

9. The mass damper tracking bracket of claim 4, wherein: the support (21) is provided with a plurality of locking nails (214) used for locking the movable box (211), and the support (21) is provided with a waist-shaped groove (213) for the crossing connection of the locking nails (214).