CN211046831U

CN211046831U - Transmission device of solar photovoltaic power generation tower

Info

Publication number: CN211046831U
Application number: CN201922069216.4U
Authority: CN
Inventors: 唐文义
Original assignee: Hunan Hehui Solar Technology Co ltd
Current assignee: Hunan Hehui Solar Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-07-17
Anticipated expiration: 2029-11-26

Abstract

The utility model provides a transmission of solar photovoltaic power generation pylon, including installing the base on prefabricated component and installing the main shaft box on the base, main internal portion of box is equipped with bearing and main shaft, the top is equipped with the box end cover, box end cover upper portion is equipped with the main beam from driving wheel and photovoltaic installation pylon, electronic travel switch is installed at box end cover edge, box end cover upper portion is equipped with the transmission fixed plate, its one end that is close to the main shaft is equipped with mechanical limiting plate, be equipped with spacing contact block of electron and the spacing post of machinery from the driving wheel bottom, the base, the box end cover, all be equipped with the through hole from driving wheel and main beam and supply the main shaft to pass in proper order, prefabricated component is equipped with the cable in the hollow main shaft of pre-buried cable pipe connection, the one. The utility model discloses simple structure, it is firm, the installation is swift, anti strong wind is to transmission wearing and tearing, the operation maintenance convenience.

Description

Transmission device of solar photovoltaic power generation tower

Technical Field

The utility model relates to a solar photovoltaic power generation field, concretely relates to transmission of solar photovoltaic power generation pylon.

Background

At present, the development of new energy is underway, and a new energy revolution is rolling the world.

The solar photovoltaic power generation technology is deeply pursued by people due to the advantages of convenience, mature, visual and high efficiency of an energy conversion mode, and particularly, the centralized and distributed photovoltaic power generation modes which are widely popularized at present are gradually applied to the production and the life of people under the support and encouragement of the national new energy development policy.

CN209419544U discloses anti strong wind of solar photovoltaic power generation pylon is from transmission of return, including the base with install the main shaft box on the base, the internal portion of main shaft is equipped with the main shaft, the top is equipped with the box end cover, the main shaft passes the box end cover and connects from the driving wheel, electronic travel switch is installed at box end cover edge, box end cover upper portion is equipped with the transmission fixed plate, its one end that is close to the main shaft is equipped with mechanical limiting plate, the other end is equipped with belt drive, belt drive's transmission part with from the driving wheel meshing, from the driving wheel bottom being equipped with spacing contact block of electron and the spacing post of machinery, through the transmission range of machinery spacing and the spacing restriction of.

The disadvantages are that: 1. the transmission part of the belt transmission device is meshed with the driven wheel, so that under the long-term action of strong wind and ice and snow loads, the abrasion of the rodent is easily caused, the gear is inconvenient to replace and maintain, the difficulty of operation and maintenance is increased, the instability of equipment operation is increased, and the failure rate of the equipment is increased; 2. the cable passes the hole and is located the spacing post of first machinery and second machinery on the circular arc from driving wheel between the spacing post, under the long-term effect of strong wind and ice and snow load, if the spacing post of first machinery and the spacing post of second machinery became invalid, caused the cable to twist the risk of breaking along with from the driving wheel rotation easily, seriously endangered the safety in utilization of equipment.

Disclosure of Invention

The utility model aims to solve the technical problem that, overcome prior art not enough, provide a transmission of solar photovoltaic power generation pylon convenient to maintain, safe and reliable.

The utility model adopts the technical proposal that the transmission device of the solar photovoltaic power generation tower comprises a base arranged on a prefabricated component and a main shaft box arranged on the base, wherein the main shaft box is internally provided with a bearing and a main shaft, the top part of the main shaft box is provided with a box end cover, the upper part of the box end cover is provided with a main beam of a driven wheel and a photovoltaic installation tower, the edge of the box end cover is provided with an electronic travel switch, the upper part of the box end cover is provided with a transmission device fixing plate, one end of the transmission device fixing plate close to the main shaft is provided with a mechanical limiting plate, the bottom of the driven wheel is provided with an electronic limiting contact block and a mechanical limiting column, the transmission range of the driven wheel is limited by mechanical limiting and electronic limiting, the main shaft is a hollow main shaft for a cable to pass through, the base, the box end cover, the driven wheel and the main beam are, one end, far away from the main shaft, of the transmission device fixing plate is provided with a driving wheel and a speed reduction motor, and the driving wheel is connected with the driven wheel through a belt.

Furthermore, a main shaft connecting sleeve is arranged at the joint of the main shaft and the driven wheel.

Furthermore, the main shaft connecting sleeve, the driven wheel and the main beam are fixed through welding.

Furthermore, the motor is connected with a driving wheel through a motor output shaft, and the driving wheel drives the driven wheel and the main cross beam to rotate.

Furthermore, the electronic limit travel switches are three and comprise a first electronic travel switch, a second electronic travel switch and a third electronic travel switch, wherein the first electronic travel switch is located between 10 degrees and 35 degrees of the north, the second electronic travel switch is located between 10 degrees and 35 degrees of the north, and the third electronic travel switch is located between 0 degrees and 35 degrees of the south.

Further, the transmission fixing plate is mounted between the first electronic travel switch and the second electronic travel switch.

Furthermore, the number of the mechanical limiting columns is two, the mechanical limiting columns comprise a first mechanical limiting column and a second mechanical limiting column, and the spacing angle between the first mechanical limiting column and the second mechanical limiting column is 130-150 degrees.

Furthermore, the spacing contact piece of electron is equipped with threely, including the spacing contact piece of first electron, the spacing contact piece of second electron and the spacing contact piece of third electron, in proper order interval distribution with the corresponding position of electron travel switch from the driving wheel arc surface radius, the contained angle between the spacing contact piece of first electron and third electron is less than the contained angle between the spacing post of first machinery and the spacing post of second machinery, and be located the circular arc within range that its angle surrounded.

The utility model discloses simple structure, it is firm, the installation is swift, and the operation is maintained conveniently, and the function is various, through belt transmission power, effectual having solved the long-time wearing and tearing and destruction to transmission of rock of open-air strong wind, improved the stability and the reliability of equipment greatly.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the position of the driving wheel, the motor and the transmission fixing plate of the embodiment shown in FIG. 1;

FIG. 3 is a schematic structural view of a transmission mounting plate of the embodiment shown in FIG. 1;

FIG. 4 is a schematic illustration of the position of the driven wheel and transmission mounting plate of the embodiment of FIG. 1;

fig. 5 is a schematic structural view of a driven wheel and a limiting device of the embodiment shown in fig. 1.

In the figure: 1. the device comprises a prefabricated part, 2 parts of a base, 3 parts of a main shaft box body, 3 parts of a bearing, 3 parts of a main shaft, 2 parts of a box body end cover, 4 parts of a driven wheel, 5 parts of a main beam, 6 parts of an electronic travel switch, 6 parts of a first electronic travel switch, 6 parts of a second electronic travel switch, 6 parts of a third electronic travel switch, 7 parts of a transmission device fixing plate, 7 parts of a clamping groove, 7 parts of a first clamping groove, 7 parts of a second clamping groove, 12 parts of a second clamping groove, 8 parts of a mechanical limiting plate, 9 parts of a limiting device, 9 parts of an electronic limiting contact block, 9 parts of a first electronic limiting contact block, 9 parts of a second electronic limiting contact block, 9 parts of a third electronic limiting contact block, 9 parts of a mechanical limiting column, and 22 parts of a second mechanical, 10. the driving wheel 11, the gear motor, 12 belts, A, east, B, south, C, west, D, north.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

The embodiment comprises a base 2 arranged on a prefabricated part 1 and a main shaft box body 3 arranged on the base 2, wherein a bearing 3-1 and a main shaft 3-2 are arranged in the main shaft box body 3, a box body end cover 3-3 is arranged at the top of the main shaft box body 3, a driven wheel 4 and a main cross beam 5 of a photovoltaic mounting tower are arranged at the upper part of the box body end cover 3-3, an electronic travel switch 6 is arranged at the edge of the box body end cover 3-3, a transmission device fixing plate 7 is arranged at the upper part of the box body end cover 3-3, a mechanical limiting plate 8 is arranged at one end close to the main shaft 3-2, a limiting device 9 is arranged at the bottom of the driven wheel 4, the transmission range of the driven wheel 4 is limited by the limiting device 9, the main shaft 3-2 is a hollow main shaft for a cable to pass through, the prefabricated part 1 is provided with a pre-buried cable pipeline 1-1 connected with a cable in the hollow main shaft 3-2, one end of the transmission device fixing plate 7, far away from the main shaft 3-2, is provided with a driving wheel 10 and a speed reducing motor 11, and the driving wheel 10 is connected with the driven wheel 4 through a belt 12.

The edge of the end cover 3-3 of the box body is provided with three electronic travel switches 6, including a first electronic travel switch 6-1 located 35 degrees to the east of the north, a second electronic travel switch 6-2 located 35 degrees to the west of the north and a third electronic travel switch 6-3 located 35 degrees to the west of the south.

Driven wheel 4 and main beam 5 fixed connection drive whole photovoltaic installation tower frame through the rotation of driven wheel 4 and rotate in the interval 290 degrees of 35 degrees to 35 degrees north partially east to north partially west. A main shaft connecting sleeve 3-21 is arranged at the joint of the main shaft 3-2 and the driven wheel 4. The spindle connecting sleeves 3-21 are fixedly connected with the driven wheel 4.

The limiting device 9 comprises an electronic limiting contact block 9-1 and a mechanical limiting column 9-2.

Two ends of the transmission device fixing plate 7 are provided with clamping grooves 7-1 which are fixed on the upper portion of the box body end cover 3-3 through first clamping grooves 7-11, second clamping grooves 7-12 are used for fixing a speed reducing motor 11, the speed reducing motor 11 is connected with a driving wheel 10 through a motor shaft, and the speed reducing motor 11 can transversely move along the second clamping grooves 7-12 to change the distance between the driving wheel 10 and a driven wheel 4, so that the tightness of a belt 12 is controlled.

Three electronic limit contact blocks 9-1 are provided, including a first electronic limit contact block 9-11, a second electronic limit contact block 9-12 and a third electronic limit contact block 9-13, the first electronic limit contact block 9-11 is separated from the second electronic limit contact block 9-12 by 60 degrees, the second electronic limit contact block 9-12 is separated from the third electronic limit contact block 9-13 by 60 degrees, the first electronic limit contact block 9-11 corresponds to the first electronic travel switch 6-1, the second electronic limit contact block 9-12 corresponds to the second electronic travel switch 6-2, and the third electronic limit contact block 9-13 corresponds to the third electronic travel switch 6-3, and is sequentially distributed at the positions of the driven wheel 10, where the radius of the arc surface corresponds to the three electronic travel switches 6.

The two mechanical limiting columns 9-2 comprise a first mechanical limiting column 9-21 and a second mechanical limiting column 9-22, the first electronic limiting plate 9-11 and the first mechanical limiting column 9-21 are located on the same radius of the circle center of the driven wheel 10, and the third electronic limiting plate 9-13 and the second mechanical limiting column 9-22 are located on the same radius of the circle center of the driven wheel 10. The mechanical limiting column 9-2 is limited by the mechanical limiting plate 8, and the driven wheel 10 is prevented from over-stroke running.

The included angle between the first electronic limit contact block 9-11 and the third electronic limit contact block 9-13 is smaller than the included angle between the first mechanical limit column 9-21 and the second mechanical limit column 9-22, and is located in the arc range surrounded by the angles.

The cable of the external controller circuit of the speed reducing motor 11 and the electronic travel switch 6 penetrates through the hollow main shaft 3-2, downwards penetrates out of the embedded cable 1-1 pipeline of the embedded component 1 and upwards extends to the upper part of the main cross beam 5, so that the problem that the cable is twisted and broken along with the rotation of the driven wheel due to the failure of the mechanical limiting column 9-2 under the long-term action of strong wind and ice and snow loads can be effectively prevented.

The working process and the working principle are as follows:

in sunny days: after the light sensor on the control device senses sunlight, the speed reduction motor 11 operates, the speed reduction motor drives the driving wheel 10 to rotate, the driving wheel 10 drives the driven wheel 4 to rotate through the belt 12, and the main beam 5 drives the whole photovoltaic installation tower to rotate along with the rotation of the driven wheel 4.

The first electronic travel switch 6-1 is arranged at a position 35 degrees north, before the mechanical limiting plate 9 is driven to touch the first mechanical limiting column 9-21 by the active force generated by the motor and the passive force generated by strong wind, the first electronic limiting plate 9-11 triggers the first electronic travel switch 6-1 to cut off the power supply, the active force transmitted by the speed reducing motor 11 disappears, then the mechanical limiting plate 8 impacts the first mechanical limiting column 9-21 under the action of the inertia of the passive force, the power is blocked at the moment, the equipment is prevented from running beyond the limit, and the dual limit protection can effectively prevent the strong wind from damaging the transmission device of the equipment; when the equipment runs to the west along with the ascending sunlight, a second electronic travel switch 6-2 is arranged at a position 35 degrees to the west of the north, before the driving force and the driven force drive the transmission device to touch a second mechanical limit column 9-22, a third electronic limit plate 9-13 triggers the second electronic travel switch 6-2 to cut off the power supply, the driving force of belt transmission disappears, then the mechanical limit plate 8 impacts the second mechanical limit column 9-22 under the action of inertia, the power is blocked at the moment, the equipment is prevented from running beyond the limit, the double limit protection can effectively prevent the equipment from rotating beyond the limit to damage the device under the action of the driven force generated by strong wind, and meanwhile, the automatic return function is achieved.

At night or in rainy days: the travel control switch on the equipment is started to control the transmission device to operate southward, a third electronic travel switch 6-2 is arranged at a position 35 degrees to the south, when the equipment operates to the southwest, a third electronic limit contact block 9-13 touches the third electronic travel switch 6-3, when sunlight is sufficient, the power supply of the motor is not cut off, the tower is not used for tracking the sun, when the power supply of the motor is cut off at night or in rainy days, and the equipment is parked at the southwest position. The third electronic limit contact block 9-13 and the third electronic travel switch 6-3 mainly play roles in signal sensing and tower parking position control at night or in rainy days.

The belt transmission device consisting of the driving wheel 10, the driven wheel 4 and the belt 12 is easy to replace after the belt 12 is worn under the long-term action of strong wind and ice and snow loads; the transmission device fixing plate 7 is provided with second clamping grooves 7-12, and the speed reducing motor 11 can transversely move along the second clamping grooves 7-12, so that the distance between the driving wheel 10 and the driven wheel 4 can be changed, and the tightness of the belt 12 can be controlled. The tightness of the belt 12 can be adjusted conveniently, the maintenance difficulty is reduced, and the reliability and the stability of the operation of the equipment are improved.

The cable of the whole equipment penetrates through the hollow main shaft 3-3, downwards penetrates out of the prefabricated cable pipeline 1-1 of the embedded component 1 and upwards extends to the upper portion of the main cross beam 5, so that the situation that the cable is twisted and broken along with the rotation of the driven wheel due to the failure of the mechanical limiting column under the long-term action of strong wind and ice and snow loads can be effectively prevented, and the operation safety of the equipment is improved.

Example 2

The difference between the embodiment and the embodiment 1 is only that the first electronic travel switch 6-1 is located at 10 degrees north, the second electronic travel switch 6-2 is located at 10 degrees north, the third electronic travel switch 6-3 is located at 0 degrees south, and the photovoltaic installation tower rotates within 340 degrees between 10 degrees north and 10 degrees north. The same as in example 1.

Various modifications and variations of the present invention may be made by those skilled in the art, and they are still within the scope of the present invention, provided they are within the scope of the claims and their equivalents.

What is not described in detail in the specification is prior art that is well known to those skilled in the art.

Claims

1. A transmission device of a solar photovoltaic power generation tower comprises a base arranged on a prefabricated component and a main shaft box body arranged on the base, wherein a bearing and a main shaft are arranged inside the main shaft box body, a box body end cover is arranged at the top of the main shaft box body, a main cross beam of a driven wheel and the photovoltaic installation tower is arranged on the upper portion of the box body end cover, an electronic travel switch is arranged at the edge of the box body end cover, a transmission device fixing plate is arranged on the upper portion of the box body end cover, one end of the transmission device fixing plate, which is close to the main shaft, is provided with a mechanical limiting plate, the bottom of the driven wheel is provided with an electronic limiting contact block and a mechanical limiting column, the transmission range of the driven wheel is limited through mechanical limiting and electronic limiting, the main shaft is a hollow main shaft through which a cable can pass, the base, the box, one end, far away from the main shaft, of the transmission device fixing plate is provided with a driving wheel and a speed reduction motor, and the driving wheel is connected with the driven wheel through a belt.

2. The transmission device of a solar photovoltaic power generation tower frame as claimed in claim 1, wherein a main shaft connecting sleeve is arranged at the joint of the main shaft and the driven wheel.

3. The transmission device of a solar photovoltaic power generation tower frame as claimed in claim 2, wherein the main shaft connecting sleeve, the driven wheel and the main beam are fixed by welding.

4. The transmission device of a solar photovoltaic power generation tower frame as claimed in any one of claims 1 to 3, wherein the motor is connected with a driving wheel through an output shaft of the motor, and the driving wheel drives a driven wheel and the main beam to rotate.

5. The transmission device for the solar photovoltaic power generation tower frame as claimed in any one of claims 1 to 3, wherein the number of the electronic limit travel switches is three, and the three electronic limit travel switches comprise a first electronic travel switch, a second electronic travel switch and a third electronic travel switch, wherein the first electronic travel switch is located between 10 degrees and 35 degrees east of the north, the second electronic travel switch is located between 10 degrees and 35 degrees west of the north, and the third electronic travel switch is located between 0 degrees and 35 degrees west of the south.

6. The transmission device of a solar photovoltaic power generation tower according to claim 5, wherein the transmission device fixing plate is installed between the first electronic travel switch and the second electronic travel switch.

7. The solar photovoltaic power generation tower transmission device as claimed in any one of claims 1 to 3, wherein there are two mechanical limiting columns, including a first mechanical limiting column and a second mechanical limiting column, which are spaced at an angle of 130 ° to 150 °.

8. The transmission device for the solar photovoltaic power generation tower frame as claimed in claim 7, wherein the number of the electronic limit contact blocks is three, and the three electronic limit contact blocks comprise a first electronic limit contact block, a second electronic limit contact block and a third electronic limit contact block which are sequentially distributed on the radius of the arc surface of the driven wheel at the position corresponding to the electronic travel switch at intervals, and the included angle between the first electronic limit contact block and the third electronic limit contact block is smaller than the included angle between the first mechanical limit column and the second mechanical limit column and is within the arc range surrounded by the angles.