CN213342122U - A switching-over device and photovoltaic tracking support for photovoltaic tracking support - Google Patents

Abstract

The utility model belongs to the technical field of solar equipment, in particular to a reversing device for a photovoltaic tracking bracket and the photovoltaic tracking bracket, which comprises an integrated seat, a connecting rod and a connecting rod, wherein the integrated seat is provided with an accommodating cavity; the driving shaft is rotatably arranged in the accommodating cavity of the integrated seat and is used for transmitting the power input from the outside to the bevel gear assembly; the bevel gear assembly is arranged in the accommodating cavity and used for converting the power of the driving shaft into torque in a required direction, the bevel gear assembly comprises a first bevel gear and a second bevel gear which are meshed with each other, the bevel gears are sleeved on the driving shaft of the bevel gear assembly, and the second bevel gear is arranged in the accommodating cavity; and the lower part of the accommodating cavity is provided with an insertion opening, and the inlet and the outlet are opposite to the mounting hole of the second bevel gear. Therefore, the utility model discloses a switching-over just can be realized to a pair of bevel gear transmission to the structure has been simplified. And because of the advantages of the bevel gear transmission itself: the transmission efficiency is high, the work is reliable, the service life is long, and the structure is compact; thereby ensuring the stability of the structure.

Description

A switching-over device and photovoltaic tracking support for photovoltaic tracking support

Technical Field

The utility model belongs to the technical field of solar facilities, refer in particular to a switching-over device and photovoltaic tracking support for photovoltaic tracking support.

Background

The photovoltaic tracking support drives the solar photovoltaic or photo-thermal device such as a photovoltaic cell panel and the like to rotate through signals transmitted by the tracker, so that sunlight is directly irradiated on the solar cell, and the photovoltaic tracking support can better receive sunlight irradiation to improve the power generation efficiency and reduce the power generation cost.

For example, patent number is 2019113479939 and the utility model patent of patent name for solar photovoltaic support, it includes stand, a plurality of erection bracing seat, main shaft, transmission shaft, actuating mechanism, follower, purlin. Simultaneously the utility model discloses pass through the transmission shaft by a actuating mechanism and drive the synchronous action of more than two follower, and then drive and install the upset of the epaxial solar panel push pedal of main, therefore the structure is comparatively complicated. And the disadvantage of this kind of structural style is that speed reducer mechanism's quality is very big, has aggravated the burden of stand, inconvenient installation and dismantlement, and the worm post is put on the stand top to one side simultaneously, and the focus is inhomogeneous, forms easily to turn on one's side, therefore the structure is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a switching-over device and photovoltaic tracking support for photovoltaic tracking support, through mutually supporting between drive shaft, bevel gear one and the bevel gear two to but the power transform of drive shaft will into the torque of required direction, just can realize the switching-over through a pair of bevel gear transmission promptly, therefore simplified the structure. And the stability of the structure is ensured due to the self advantages of the bevel gear transmission, so that the problems of unstable structure and complex structure in the prior art are solved.

The purpose of the utility model is realized like this:

a switching-over device for photovoltaic tracking support includes

The integrated seat is provided with a containing cavity;

the driving shaft is rotatably arranged in the accommodating cavity of the integrated seat and is used for transmitting the power input from the outside to the bevel gear assembly;

the bevel gear assembly is arranged in the accommodating cavity and used for converting the power of the driving shaft into torque in a required direction, the bevel gear assembly comprises a first bevel gear and a second bevel gear which are meshed with each other, the bevel gears are sleeved on the driving shaft of the bevel gear assembly, and the second bevel gear is arranged in the accommodating cavity;

and the lower part of the accommodating cavity is provided with an insertion opening, and the inlet and the outlet are opposite to the mounting hole of the second bevel gear.

On the basis of the above scheme, a further improved or preferred scheme further comprises:

preferably, a first bearing is sleeved outside one end of the bevel gear, and the outer side of the first bearing is abutted against the inner wall of the integrated seat;

a second bearing is sleeved on the outer side of the bottom of the second bevel gear and used for supporting the second bevel gear and ensuring that the first bevel gear and the second bevel gear can be meshed with each other, and the outer side of the second bearing abuts against the inner wall of the integrated seat;

a clamp spring is arranged on the lower side of the conical bearing II and clamped on the inner wall of the integrated base to prevent the bearing II from falling off the integrated base;

one end of the driving motor extends into the integrated base and is connected with the driving shaft, a third bearing is sleeved on the outer side of the driving shaft, and the outer side of the third bearing is abutted against the inner wall of the integrated base.

Preferably, the upper end of the screw rod penetrates through a mounting hole of the second bevel gear and is driven by the second bevel gear, so that the screw rod can extend out or retract into the corresponding nut tube through the driving shaft;

still include the supporting seat, it can install in the upper end of lead screw through the bearing free rotation ground, and integrated seat is whole to be settled in the supporting seat.

A photovoltaic tracking bracket comprises a solar panel, a vertical column, a push rod assembly and the reversing device;

the solar panel downside is articulated each other with stand upper portion respectively, and the one side of this articulated department has arranged driving motor along solar panel length direction, driving motor's motor shaft with the drive shaft passes through the shaft coupling joint, and push rod assembly lower extreme articulates in stand one side.

Preferably, the push rod assembly comprises a nut pipe and an outer pipe, the screw rod is arranged in the nut pipe and is in threaded connection with the nut pipe, the nut pipe is arranged in the outer pipe and is driven by the bevel gear II, and therefore the screw rod can drive the nut pipe to stretch out and draw back in the outer pipe.

Preferably, a feed screw nut is arranged at the upper end of the nut tube, the feed screw nut is in threaded connection with a feed screw, and the outer end of the feed screw nut is close to the inner side of the outer tube;

and the bottom of the screw rod is provided with an anti-swing washer, and the anti-swing washer is attached to the inner side of the nut tube.

Preferably, a guide sleeve is arranged between the nut pipe and the outer pipe, an end cover is arranged at the bottom of the outer pipe, and the guide sleeve can be limited to fall off through the end cover.

Preferably, the outer pipe is arranged on one side of the upright post through a mounting seat, supporting plates are arranged on two sides of the upright post, and an adjusting hole is formed in the middle of the upright post;

the mounting seat is arranged on the supporting plate and arranged on the stand column through the supporting plate, and the middle part of the supporting plate is arranged on the adjusting hole through the mounting part.

Preferably, the outer pipe is arranged on the mounting seat through a U-shaped joint, and two ends of the U-shaped joint are provided with limiting blocks;

the mounting seat is provided with a strip-shaped moving hole, the U-shaped joint is arranged on the moving hole through a fixing piece, the limiting block is positioned in the moving hole, and the rotation range of the U-shaped joint can be limited through the limiting block.

Preferably, the two ends of the supporting plate are respectively provided with a first bending plate and a second bending plate, the side wall and the outer wall of the first bending plate are respectively abutted against the mounting seat and the stand column, and the inner wall of the second bending plate is abutted against the stand column.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses a mutually supporting between drive shaft, bevel gear one and the bevel gear two to accessible drive shaft and bevel gear group combine, accomplish the transmission of torque, just can realize the switching-over through a pair of bevel gear transmission promptly, therefore simplified the structure. And because of the advantages of the bevel gear transmission itself: the transmission efficiency is high, the work is reliable, the service life is long, and the structure is compact; thereby ensuring the stability of the structure.

Drawings

FIG. 1 is an exploded view of a reversing device;

FIG. 2 is a schematic view of the reversing device installed in the support base;

FIG. 3 is a cross-sectional view of the reversing device and push rod assembly;

FIG. 4 is a schematic illustration of the splicing of multiple photovoltaic tracking mounts;

FIG. 5 is one of the schematic diagrams of a photovoltaic tracking rack;

fig. 6 is a second schematic view of a photovoltaic tracking rack;

fig. 7 is a third schematic view of a photovoltaic tracking rack;

FIG. 8 is a schematic view of the construction of the base of the putter assembly;

FIG. 9 is a schematic view of the support plate;

fig. 10 is a schematic sectional view of the support plate and the vertical column.

In the figure: 2-a drive shaft; 3-driving a motor; 4-bevel gear one;

5-bevel gear two; 6-a push rod assembly; 7-a screw rod; 8-nut tube; 9-an integrated seat;

10, bearing II; 11-a clamp spring; 12-bearing three; 13-bearing one; 14-a support base;

15-an outer tube; 16-a feed screw nut; 17-anti-sway washer; 18-end caps; 19-a guide sleeve;

20-a column; 21-a solar panel; 22-a mounting seat; 23-a support plate; a 24-U shaped joint;

25-moving the hole; 26-a limiting block; 27-a conditioning aperture; 28-bending the first plate;

29-bending a second plate; 30-bearing.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings. With reference to fig. 1 to 3, a reversing device for a photovoltaic tracking support is known, comprising an integrated seat 9 having a housing cavity;

the driving shaft 2 is rotatably arranged in the accommodating cavity of the integrated seat 9 and is used for transmitting power input from the outside to the bevel gear assembly;

the bevel gear assembly is arranged in the accommodating cavity and used for converting the power of the driving shaft 2 into torque in a required direction, the bevel gear assembly comprises a first bevel gear 4 and a second bevel gear 5 which are meshed with each other, the first bevel gear 4 is sleeved on the driving shaft 2, and the second bevel gear 5 is arranged in the accommodating cavity; and the lower part of the accommodating cavity is provided with an insertion opening which is right opposite to the mounting hole of the second bevel gear 5.

Therefore, in the practical use process, through the mutual matching among the driving shaft 2, the bevel gear I4 and the bevel gear II 5, the transmission of torque can be completed through the combination of the driving shaft 2 and the bevel gear assembly, namely, the reversing can be realized through the transmission of a pair of bevel gears.

And the patent literature among the background art then adopts worm gear and worm and the cooperation of many pairs of bevel gears just can realize, therefore the utility model discloses the structure has been simplified. And because of the advantages of the bevel gear transmission itself: the transmission efficiency is high, the work is reliable, the service life is long, and the structure is compact; thereby compare with the worm gear, the utility model discloses the stability of structure has been guaranteed.

As can be seen, in order to prevent the integration seat 9 from being rotated and protect the integration seat 9, a bearing three 12 is sleeved outside the driving shaft 2, and the outer side of the bearing three 12 abuts against the inner wall of the integration seat 9. And a bearing I13 is sleeved on the outer side of one end of the bevel gear I4, and the outer side of the bearing I13 is abutted against the inner wall of the integrated seat 9.

Therefore, the rotation of the driving shaft 2 is prevented by the plurality of bearings from driving the integration seat 9 to rotate, and the integration seat 9 is protected.

The outer side of the bottom of the second bevel gear 5 is sleeved with a second bearing 10, the second bearing 10 is used for supporting the second bevel gear 5 and ensuring that the first bevel gear 4 and the second bevel gear 5 can be meshed with each other, and meanwhile, the outer side of the second bearing 10 abuts against the inner wall of the integration seat 9, so that the integration seat 9 is prevented from being driven to rotate by the rotation of the driving shaft 2, and the integration seat 9 is protected.

And bearing two 10 downside is provided with jump ring 11, therefore when in-service use, through jump ring 11 joint in the integration seat 9 inner wall and support and lean on in the bearing two 10 outer lane bottoms to restriction bearing two 10 reciprocates, and then avoid bearing two 10 to break away from integration seat 9, and can avoid bevel gear two 5 to break away from in the integration seat 9.

As shown in the figure, the reversing device further comprises a screw rod 7, the upper end of the screw rod is arranged in the mounting hole of the second bevel gear 5 in a penetrating mode and is driven by the second bevel gear 5, and therefore the screw rod 7 can extend out or retract into the corresponding nut tube 8 through the driving shaft 2.

Wherein the extension or retraction is opposite, i.e. the actual extension and retraction is mainly the nut tube 8 with respect to the nut tube 8 of the photovoltaic tracking support. The specific principle is as follows: firstly, the driving motor 3 drives the driving shaft 2 to rotate, secondly, the driving shaft 2 rotates to drive the bevel gear I4 to rotate, and the bevel gear I4 and the bevel gear II 5 are meshed with each other, so that the bevel gear II 5 can be driven to rotate.

Meanwhile, the bevel gear II 5 rotates to drive the screw rod 7 to rotate, and due to the threaded connection between the screw rod 7 and the nut tube 8, the screw rod 7 rotates to enable the nut tube 8 to stretch in the outer tube 15, namely the nut tube 8 can move up and down, so that the rotation of the driving shaft 2 is reversed to the relative stretching of the screw rod 7.

As shown, the reversing device further comprises a supporting seat 14 which is freely rotatably mounted on the upper end of the screw rod 7 through a bearing 30, and the integrated seat 9 is integrally arranged in the supporting seat. Wherein the support seat 14 is connected with the integration seat 9 by bolts.

It can thus be seen that the support base 14 and the integration base 9 are of a split design, so that the self-locking force in the case of high winds is borne by the support base 14 without affecting the accuracy of the reverser. Wherein, the number of the bearings 30 can be one or two, and the two bearings 30 can be located at the upper and lower ends of the connection part of the support seat 14 and the screw rod 7, so as to ensure that the support seat 14 is not driven by the rotation of the screw rod 7.

Fig. 4-10 show a photovoltaic tracking support, which comprises a solar panel 21, a vertical column 20, a push rod assembly 6 and the above-mentioned reversing device.

The lower side of the solar panel 21 is hinged with the upper part of the upright post 20, and a driving motor 3 is arranged on one side of the hinged position along the length direction of the solar panel 21. Meanwhile, a motor shaft of the driving motor is connected with the driving shaft 2 through a coupler, and the lower end of the push rod assembly 6 is hinged to one side of the upright post 20.

Therefore, in the actual use process, the reversing device drives the push rod assembly 6 to stretch and retract so as to drive the solar panel 21 to rotate.

Simultaneously push rod assembly 6 includes outer tube 15 and nut pipe 8, lead screw 7 set up in nut pipe 8 simultaneously and with nut pipe 8 between be threaded connection, and nut pipe 8 sets up in outer tube 15, drive through two 5 bevel gears to can make lead screw 7 drive nut pipe 8 and stretch out and draw back in outer tube 15.

In addition, during actual installation, the supporting seat 14 is in threaded connection with the outer tube 15. The specific principle is as follows: firstly, the bevel gear II 5 rotates to drive the screw rod 7 to rotate, and due to the threaded connection between the screw rod 7 and the nut tube 8, the screw rod 7 rotates to enable the nut tube 8 to stretch in the outer tube 15, namely the nut tube 8 can move up and down, and further the up and down movement of the nut tube 8 is reversed from the rotation of the driving shaft 2.

As shown in fig. 3, the connections between the nut tube 8, the lead screw 7 and the outer tube 15 are: firstly, the upper end of the nut tube 8 is provided with a screw nut 16, the screw nut 16 is in threaded connection with the screw 7, and the outer end of the screw nut 16 is close to the inner side of the outer tube 15. Thus, the coaxiality of the outer tube 15, the nut tube 8 and the lead screw 7 can be ensured by the lead screw nut 16 when the push rod assembly 6 extends and retracts.

The approach means that the inner side of the outer tube 15 is infinitely approached on the basis of matching with the shaft hole, namely the telescopic property of the feed screw nut 16 is ensured, and meanwhile, the coaxiality can be ensured.

And the axiality of nut pipe 8, outer tube 15 and lead screw 7 can guarantee that push rod assembly 6 only receives the axial force, reduces the emergence of lateral force to when improving push rod assembly 6 bearing capacity, reduced nut pipe 8, outer tube 15 and lead screw 7's intensity requirement.

As shown in fig. 3, the connection between the nut tube 8 and the lead screw 7 is: firstly, the bottom of the screw rod 7 is provided with an anti-swing washer 17, and the anti-swing washer 17 is attached to the inner side of the nut tube 8. The lead screw 7 is thus prevented from swinging by the anti-swing washer 17, while ensuring the coaxiality of the nut tube 8 and the lead screw 7.

The fit is that the fit is infinitely close to the inner side of the nut tube 8 on the basis of matching with the shaft hole, namely the coaxiality can be ensured while the telescopic performance of the lead screw nut 16 is ensured. Furthermore, the anti-sway washer 17 is typically rubber and may be a slight interference fit to ensure concentricity.

And the connection between the nut tube 8 and the outer tube 15 is: firstly, a guide sleeve 19 is arranged between the nut tube 8 and the outer tube 15, and an end cover 18 is arranged at the bottom of the outer tube 15.

Therefore, in the actual use process, the guide sleeve 19 can be used for guiding, so that the coaxiality of the nut tube 8 and the outer tube 15 is ensured, and the guide sleeve 19 can be limited to fall off through the end cover 18.

Referring to fig. 5-10, it can be seen that the connection between the shaft 20 and the push rod assembly 6 is: firstly, the outer pipe 15 is arranged on one side of the upright post 20 through the mounting seat 22, and the two sides of the upright post 20 are provided with the supporting plates 23 and the middle part is provided with the adjusting hole 27;

meanwhile, the mounting seat 22 is arranged on the supporting plate 23 and arranged on the upright post 20 through the supporting plate 23, and the middle part of the supporting plate 23 is arranged on the adjusting hole 27 through an installation part.

Therefore, during actual installation, the middle part of the supporting plate 23 is arranged on the adjusting hole 27 through the installation part, and then the installation seat 22 is arranged on the supporting plate 23. Wherein the mounting members are bolts, screws, etc.

Meanwhile, the adjusting holes 27 are long holes, so that the height can be adjusted through different positions of the supporting plate 23, and the height error of field installation of the upright post 20 is eliminated. And because the support plate 23 and the upright post 20 adopt the connection at the middle part, the perforation of a wing plate of the upright post 20 is avoided, and the strength of the upright post 20 is increased.

Furthermore, as shown in fig. 9 and 10, it can be seen that two ends of the supporting plate 23 are respectively provided with a first bending plate 28 and a second bending plate 29, wherein the side wall and the outer wall of the first bending plate 28 respectively abut against the mounting seat 22 and the upright post 20, and the inner wall of the second bending plate 29 abuts against the upright post 20.

Therefore, in the actual use process, the position of the mounting seat 22 can be limited by the first bending plate 28, and meanwhile, the support plate 23 can be prevented from inclining due to stress by the second bending plate 29, so that the connection reliability is further improved.

Meanwhile, the outer tube 15 is arranged on the mounting seat 22 through the U-shaped joint 24, the mounting seat 22 is provided with a moving hole 25, and the U-shaped joint 24 is arranged on the moving hole 25 through a fixing piece.

Wherein the mounting is bolt, screw etc. and removes hole 25 and be rectangular hole, therefore accessible U type connects 24 and can slide in removing hole 25 to have certain angle rotation margin, and then can easily adapt to the topography that has certain slope and change.

And the two ends of the U-shaped joint 24 are provided with limit blocks 26, and the limit blocks 26 are positioned in the moving holes 25. Therefore, in the practical use process, even if the movable hole 25 can be slightly inclined, the photovoltaic tracking bracket is required not to rotate in a large range, the rotation range of the U-shaped joint 24 can be limited by the limiting block 26, and the reversing and the stability of connection of various components are ensured while the terrain is adapted.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. A switching-over device for photovoltaic tracking support which characterized in that: comprises that

An integrated seat (9) with a containing cavity;

the driving shaft (2) is rotatably arranged in the accommodating cavity of the integrated seat (9) and is used for transmitting power input from the outside to the bevel gear assembly;

the bevel gear assembly is arranged in the accommodating cavity and used for converting the power of the driving shaft (2) into torque in a required direction, the bevel gear assembly comprises a first bevel gear (4) and a second bevel gear (5) which are meshed with each other, the first bevel gear (4) is sleeved on the driving shaft of the first bevel gear, and the second bevel gear (5) is arranged in the accommodating cavity;

the lower part of the accommodating cavity is provided with an insertion opening which is right opposite to the mounting hole of the bevel gear II (5).

2. The commutation apparatus of claim 1, wherein: a first bearing (13) is sleeved on the outer side of one end of the first bevel gear (4), and the outer side of the first bearing (13) is abutted against the inner wall of the integrated seat (9);

a second bearing (10) is sleeved on the outer side of the bottom of the second bevel gear (5), the second bearing (10) is used for supporting the second bevel gear (5) and ensuring that the first bevel gear (4) and the second bevel gear (5) can be meshed with each other, and the outer side of the second bearing (10) abuts against the inner wall of the integrated seat (9);

a clamp spring (11) is arranged on the lower side of the second bearing (10), and the clamp spring (11) is clamped on the inner wall of the integration seat (9) and prevents the second bearing (10) from falling off the integration seat (9);

at least one end of the driving shaft (2) extends out of the integrated seat (9) and is connected with the driving motor (3), a third bearing (12) is sleeved on the outer side of the driving shaft (2), and the outer side of the third bearing (12) abuts against the inner wall of the integrated seat (9).

3. The commutation apparatus of claim 2, wherein: the upper end of the screw rod (7) penetrates through the mounting hole of the second bevel gear (5) and is driven by the second bevel gear (5), so that the screw rod (7) can extend out or retract into the corresponding nut pipe (8) through the driving shaft (2);

the screw rod assembly is characterized by further comprising a supporting seat (14) which is freely rotatably arranged at the upper end of the screw rod (7) through a bearing (30), and the integrated seat (9) is integrally arranged in the supporting seat (14).

4. A photovoltaic tracking support is characterized in that: comprises a solar panel (21), a vertical column (20), a push rod component (6) and the reversing device of any one of claims 1-3;

the lower side of the solar panel (21) is hinged with the upper part of the upright post (20) respectively, and a driving motor (3) is arranged on one side of the hinged part along the length direction of the solar panel (21); the motor shaft of the driving motor is connected with the driving shaft (2) through a coupler, and the lower end of the push rod assembly (6) is hinged to one side of the upright post (20).

5. The photovoltaic tracking rack of claim 4, wherein: push rod subassembly (6) include outer tube (15) and nut pipe (8), lead screw (7) set up in nut pipe (8) and with nut pipe (8) between be threaded connection, and nut pipe (8) set up in outer tube (15), drive through bevel gear two (5) to can make lead screw (7) drive nut pipe (8) and stretch out and draw back in outer tube (15).

6. The photovoltaic tracking rack of claim 5, wherein: the upper end of the nut tube (8) is provided with a screw nut (16), the screw nut (16) is in threaded connection with the screw rod (7), and the outer end of the screw nut (16) is close to the inner side of the outer tube (15);

and an anti-swing gasket (17) is arranged at the bottom of the screw rod (7), and the anti-swing gasket (17) is attached to the inner side of the nut tube (8).

7. A photovoltaic tracking support according to claim 5 or 6, characterized in that: a guide sleeve (19) is arranged between the nut tube (8) and the outer tube (15), an end cover (18) is arranged at the bottom of the outer tube (15), and the guide sleeve (19) can be limited to fall off through the end cover (18).

8. The photovoltaic tracking rack of claim 5, wherein: the outer pipe (15) is arranged on one side of the upright post (20) through a mounting seat (22), supporting plates (23) are arranged on two sides of the upright post (20), and an adjusting hole (27) is formed in the middle of the upright post (20);

the mounting seat (22) is arranged on the supporting plate (23) and arranged on the upright post (20) through the supporting plate (23), and the middle part of the supporting plate (23) is arranged on the adjusting hole (27) through an installing part.

9. The photovoltaic tracking rack of claim 8, wherein: the outer pipe (15) is arranged on the mounting seat (22) through a U-shaped joint (24), and two ends of the U-shaped joint (24) are provided with limiting blocks (26);

the mounting seat (22) is provided with a strip-shaped moving hole (25), the U-shaped joint (24) is arranged on the moving hole (25) through a fixing piece, the limiting block (26) is located in the moving hole (25), and the rotating range of the U-shaped joint (24) can be limited through the limiting block (26).

10. The photovoltaic tracking rack of claim 8, wherein: two ends of the supporting plate (23) are respectively provided with a first bending plate (28) and a second bending plate (29), the side wall and the outer wall of the first bending plate (28) are respectively abutted against the mounting seat (22) and the stand column (20), and the inner wall of the second bending plate (29) is abutted against the stand column (20).

Images