CN112928971A - Wind-resistant shockproof photovoltaic support - Google Patents
Wind-resistant shockproof photovoltaic support Download PDFInfo
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- CN112928971A CN112928971A CN202110189399.2A CN202110189399A CN112928971A CN 112928971 A CN112928971 A CN 112928971A CN 202110189399 A CN202110189399 A CN 202110189399A CN 112928971 A CN112928971 A CN 112928971A
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- 238000013016 damping Methods 0.000 claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 239000007787 solid Substances 0.000 claims abstract 2
- 230000035939 shock Effects 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 239000011435 rock Substances 0.000 abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 12
- 230000005284 excitation Effects 0.000 description 4
- 239000011133 lead Substances 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/10—Supporting structures directly fixed to the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/1034—Vibration-dampers; Shock-absorbers using inertia effect of movement of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
- F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/50—Arrangement of stationary mountings or supports for solar heat collector modules comprising elongate non-rigid elements, e.g. straps, wires or ropes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a wind-resistant and shockproof photovoltaic support, and belongs to the technical application field of photovoltaic equipment. The damping device comprises a stand column (2), a lower support frame (3), a vertical beam (4), a cross beam (5), a trapezoidal connecting frame (6), an inclined strut (13) and a damping mechanism, wherein the stand column (2) is of a hollow columnar structure, a damping cavity (13) is formed in the upper portion of the stand column, the damping mechanism comprises a steel strand (7), a ball hoop (8), a mass ball (9), an oil damper (10), a lower connecting structure (11) and an upper connecting structure (12), and the mass ball (9) is a high-density solid ball. This device reasonable in design can make photovoltaic supporting structure when bearing great wind load and earthquake load, and slight vibration is motionless even, avoids the support to rock and causes the harm for photovoltaic device. Because the device has the wind-resistant and shock-proof effects, the photovoltaic structure can be designed in a light weight mode, the material usage amount is reduced, the cost is reduced, and the social benefit is improved.
Description
Technical Field
The invention relates to a wind-resistant and shockproof photovoltaic support, and belongs to the technical application field of photovoltaic equipment.
Background
Along with the high-speed development of the photovoltaic industry, the steel amount for the photovoltaic support is greatly increased, the trend of light weight of the photovoltaic support is obvious due to cost control, the main light weight mode is that high-strength steel is adopted for thinning to replace the existing thick-specification low-strength grade, and the integral strength is kept unchanged or even higher. However, as the structural members of the support are thinned, the structural rigidity of the whole support is deteriorated, and when the whole photovoltaic structure is excited by strong wind or earthquake with certain intensity, severe vibration is generated, so that fatigue failure of the whole photovoltaic structure is finally caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a windproof and shockproof photovoltaic support, solves the problem of poor wind and shock resistance of the conventional photovoltaic support, and provides a large space for light weight of a support structure.
The technical scheme adopted by the invention is as follows:
a wind-resistant and shock-proof photovoltaic support comprises an upright post, a lower support frame, a vertical beam, a cross beam, a trapezoidal connecting frame, an inclined strut and a damping mechanism, wherein the upright post is of a hollow columnar structure, the upper part of the upright post is provided with a damping cavity which is of a protruded hollow rotating body structure, the top of the damping cavity is provided with a top plate, the vertical beam and the cross beam are fixedly connected in a crossed manner to form a fixing bracket of a photovoltaic panel, the lower part of the trapezoidal connecting frame is fixedly connected with a side shaft at the top end of the upright post, the upper part of the trapezoidal connecting frame is fixedly connected with the cross beam, the lower support frame is a support, the cross beam at the lower part is fixedly connected with the upright post, the cross beam at the side is fixedly connected with the vertical beam and the cross beam, the damping mechanism comprises a steel stranded wire, a ball hoop, a mass ball, an oil damper, a lower connecting structure and an upper connecting, the steel strand wires upper end and roof lower extreme face fixed connection, lower extreme fixed connection are on the ball hoop, go up connection structure fixed connection terminal surface under the ball hoop, and connection structure fixed connection is on damping chamber bottom side down, oil damper one end and last connection structure axle fixed connection, the other end and connection structure fixed connection down.
Lower connection structure includes cross pivot, lower connecting seat, U type pedestal is U type steel plate structure, and both sides are provided with the shaft hole, and lower connecting seat is the disc structure, and fixed connection is on damping chamber bottom side, the bottom surface of two U type pedestals respectively with lower connecting seat and oil damper bottom end fixed connection, two opening vertical cross settings, through cross pivot fixed connection, it is provided with the shaft hole for the annular structure side to go up connection structure, and U type pedestal opening position passes through an axle fixed connection with connection structure, U type pedestal bottom and oil damper top fixed connection. And the upper connecting structure and the lower connecting structure are in universal connection with the inner wall of the damping cavity, so that the mass ball can swing in any direction when the photovoltaic structure is loaded in any direction.
The oil dampers are 4 and are arranged between the side face of the bottom of the damping cavity and the ball hoop, and the included angle between the angle of each damper and the vertical direction is 30-45 degrees.
3-6 steel strands are uniformly arranged between the top plate and the ball hoop.
The cross beam and the vertical beam are both made of C-shaped steel.
The mass of the mass ball is 0.5% -1.5% of the mass of the whole structure of the photovoltaic support.
The quality ball is composed of concrete, steel and lead.
The length of the steel strand is 500-800 mm, and the ratio of the frequency of the mass tuning device to the frequency of the whole photovoltaic support is 0.8-1.3.
The damping ratio of the oil damper to the whole structure of the photovoltaic bracket is controlled to be 0.01-0.2.
The device converts wind load and earthquake load of the photovoltaic support to the mass ball by utilizing the principle of mass tuning dampers, the mass ball swings under excitation, and the kinetic energy of the swing of the mass ball is converted into the heat energy of the dampers through the oil dampers, so that the support structure slightly vibrates or even does not move when bearing larger wind load and earthquake load.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: this device reasonable in design can make photovoltaic supporting structure when bearing great wind load and earthquake load, and slight vibration is motionless even, avoids the support to rock and causes the harm for photovoltaic device. Because the device has the wind-resistant and shock-proof effects, the photovoltaic structure can be designed in a light weight mode, the material usage amount is reduced, the cost is reduced, and the social benefit is improved.
Drawings
FIG. 1 is a schematic view of the inventive apparatus;
FIG. 2 is a cross-sectional view of the upright of the inventive apparatus;
FIG. 3 is a schematic view of the damping mechanism of the inventive device;
FIG. 4 is a schematic view of the lower connection structure of the inventive device;
FIG. 5 is a schematic view of the connection structure of the inventive apparatus;
the labels in the figure are: the device comprises a photovoltaic panel 1, a vertical column 2, a lower support frame 3, a vertical beam 4, a cross beam 5, a trapezoidal connecting frame 6, an inclined strut 13, a steel strand 7, a ball hoop 8, a mass ball 9, an oil damper 10, a lower connecting structure 11, an upper connecting structure 12, a damping cavity 13, a cross rotating shaft 14, a lower connecting seat 15, a U-shaped shaft frame 16, an upper connecting seat 17 and a top plate 18.
Detailed Description
The technical solution in the embodiment of the present invention is described below with reference to the drawings in the embodiment of the present invention.
Example 1
As shown in the attached drawings, the wind-resistant and shock-proof photovoltaic bracket is characterized by comprising an upright post 2, a lower support frame 3, a vertical beam 4, a cross beam 5, a trapezoidal connecting frame 6, an inclined strut 13 and a damping mechanism, wherein the upright post 2 is of a hollow columnar structure, the upper part of the upright post is provided with the damping cavity 13, the damping cavity 13 is of a protruded hollow rotating body structure, the top of the damping cavity is provided with a top plate 18, the vertical beam 4 and the cross beam 5 are fixedly connected in a crossed manner to form a fixing bracket of the photovoltaic panel 1, the lower part of the trapezoidal connecting frame 6 is fixedly connected with a side surface shaft at the top end of the upright post 2, the upper part of the trapezoidal connecting frame is fixedly connected with the cross beam 5, the lower support frame 3 is a bracket, the lower cross beam is fixedly connected with the upright post 2, the side cross beam is fixedly connected with the vertical beam 4 and the cross beam 5, the damping mechanism comprises a steel stranded wire 7, a, ball hoop 8 is the loop configuration, inner chamber and quality ball 9 fixed connection, in damping chamber 13 was arranged in to quality ball 9, terminal surface fixed connection under 7 upper ends of steel strand wires and the roof 18, lower extreme fixed connection is on ball hoop 8, goes up connection 12 fixed connection terminal surface under ball hoop 8, and connection 11 fixed connection is on damping chamber 13 bottom side down, and oil damper 10 one end and last connection 12 axle fixed connection, the other end and connection 11 fixed connection down. Lower connection structure 11 includes cross pivot 14, lower connecting seat 15, U type pedestal 16 is U type steel plate structure, and both sides are provided with the shaft hole, and lower connecting seat 15 is the disc structure, and fixed connection is on damping chamber 13 bottom side, and the bottom surface of two U type pedestals 16 respectively with lower connecting seat 15 and oil damper 10 bottom fixed connection, two opening vertical cross settings, through 14 fixed connection of cross pivot, it is provided with the shaft hole for the loop configuration side to go up connection structure 12, and 16 opening positions of a U type pedestal pass through an axle fixed connection with connection structure 12, 16 bottoms of U type pedestal and 10 top fixed connection of oil damper. The oil damper 10 has 4, sets up between damping chamber 13 bottom side and ball hoop 8, and the attenuator angle is 30 degrees with vertical direction contained angle.
The number of the steel strands (7) is 4, and the steel strands are uniformly arranged between the top plate 18 and the ball hoop 8. The cross beam 5 and the vertical beam 4 are both made of C-shaped steel. The mass of the mass ball 9 is 1% of the mass of the whole structure of the photovoltaic bracket. The mass ball 9 is composed of concrete, steel and lead.
The length of the steel strand (7) is 780 mm, and the frequency ratio of the mass tuning device to the frequency of the whole photovoltaic support is 1.
The damping ratio of the oil damper 10 to the whole structure of the photovoltaic bracket is controlled to be 0.1.
When the device is used, the device is placed on a foundation with enough bearing capacity, and the photovoltaic panel 1 is assembled and fixed on a fixing bracket formed by crossing the vertical beams 4 and the cross beams 5. When the front surface of the support bears vibration or shaking excitation with the speed of strong wind, earthquake or the like, the steel strand 7 drives the mass ball 9 to swing back and forth along the plane of the wind direction or the vibration direction, the mass ball 9 swings to drive the four oil dampers 10 to compress and stretch and to do reciprocating motion, and under the damping action of the dampers 10, the swing of the mass ball 9 is gradually attenuated and finally tends to be static, so that the stability of the photovoltaic support is kept.
This device reasonable in design can make photovoltaic supporting structure when bearing great wind load and earthquake load, and slight vibration is motionless even, avoids the support to rock and causes the harm for photovoltaic device. Because the device has the wind-resistant and shock-proof effects, the photovoltaic structure can be designed in a light weight mode, the material usage amount is reduced, the cost is reduced, and the social benefit is improved.
Example 2
As shown in the attached drawings, the wind-resistant and shock-proof photovoltaic bracket is characterized by comprising an upright post 2, a lower support frame 3, a vertical beam 4, a cross beam 5, a trapezoidal connecting frame 6, an inclined strut 13 and a damping mechanism, wherein the upright post 2 is of a hollow columnar structure, the upper part of the upright post is provided with the damping cavity 13, the damping cavity 13 is of a protruded hollow rotating body structure, the top of the damping cavity is provided with a top plate 18, the vertical beam 4 and the cross beam 5 are fixedly connected in a crossed manner to form a fixing bracket of the photovoltaic panel 1, the lower part of the trapezoidal connecting frame 6 is fixedly connected with a side surface shaft at the top end of the upright post 2, the upper part of the trapezoidal connecting frame is fixedly connected with the cross beam 5, the lower support frame 3 is a bracket, the lower cross beam is fixedly connected with the upright post 2, the side cross beam is fixedly connected with the vertical beam 4 and the cross beam 5, the damping mechanism comprises a steel stranded wire 7, a, ball hoop 8 is the loop configuration, inner chamber and quality ball 9 fixed connection, in damping chamber 13 was arranged in to quality ball 9, terminal surface fixed connection under 7 upper ends of steel strand wires and the roof 18, lower extreme fixed connection is on ball hoop 8, goes up connection 12 fixed connection terminal surface under ball hoop 8, and connection 11 fixed connection is on damping chamber 13 bottom side down, and oil damper 10 one end and last connection 12 axle fixed connection, the other end and connection 11 fixed connection down. Lower connection structure 11 includes cross pivot 14, lower connecting seat 15, U type pedestal 16 is U type steel plate structure, and both sides are provided with the shaft hole, and lower connecting seat 15 is the disc structure, and fixed connection is on damping chamber 13 bottom side, and the bottom surface of two U type pedestals 16 respectively with lower connecting seat 15 and oil damper 10 bottom fixed connection, two opening vertical cross settings, through 14 fixed connection of cross pivot, it is provided with the shaft hole for the loop configuration side to go up connection structure 12, and 16 opening positions of a U type pedestal pass through an axle fixed connection with connection structure 12, 16 bottoms of U type pedestal and 10 top fixed connection of oil damper. The oil damper 10 has 4, sets up between damping chamber 13 bottom side and ball hoop 8, and the attenuator angle is 45 degrees with vertical direction contained angle.
The number of the steel strands (7) is 4, and the steel strands are uniformly arranged between the top plate 18 and the ball hoop 8. The cross beam 5 and the vertical beam 4 are both made of C-shaped steel. The mass of the mass ball 9 is 1% of the mass of the whole structure of the photovoltaic bracket. The mass ball 9 is composed of concrete, steel and lead.
The length of the steel strand (7) is 600 millimeters, and the frequency ratio of the mass tuning device to the frequency of the whole photovoltaic support is 1.
The damping ratio of the oil damper 10 to the whole structure of the photovoltaic bracket is controlled to be 0.1.
When in use, the device is placed on a foundation with enough bearing capacity, and the photovoltaic panel 1 is assembled and fixed on a fixed bracket formed by crossing the vertical beams 4 and the cross beams 5. When the front surface of the support bears vibration or shaking excitation with the speed of strong wind, earthquake or the like, the steel strand 7 drives the mass ball 9 to swing back and forth along the plane of the wind direction or the vibration direction, the mass ball 9 swings to drive the four oil dampers 10 to compress and stretch and to do reciprocating motion, and under the damping action of the dampers 10, the swing of the mass ball 9 is gradually attenuated and finally tends to be static, so that the stability of the photovoltaic support is kept.
This device reasonable in design can make photovoltaic supporting structure when bearing great wind load and earthquake load, and slight vibration is motionless even, avoids the support to rock and causes the harm for photovoltaic device. Because the device has the wind-resistant and shock-proof effects, the photovoltaic structure can be designed in a light weight mode, the material usage amount is reduced, the cost is reduced, and the social benefit is improved.
Example 3
As shown in the attached drawings, the wind-resistant and shock-proof photovoltaic bracket is characterized by comprising an upright post 2, a lower support frame 3, a vertical beam 4, a cross beam 5, a trapezoidal connecting frame 6, an inclined strut 13 and a damping mechanism, wherein the upright post 2 is of a hollow columnar structure, the upper part of the upright post is provided with the damping cavity 13, the damping cavity 13 is of a protruded hollow rotating body structure, the top of the damping cavity is provided with a top plate 18, the vertical beam 4 and the cross beam 5 are fixedly connected in a crossed manner to form a fixing bracket of the photovoltaic panel 1, the lower part of the trapezoidal connecting frame 6 is fixedly connected with a side surface shaft at the top end of the upright post 2, the upper part of the trapezoidal connecting frame is fixedly connected with the cross beam 5, the lower support frame 3 is a bracket, the lower cross beam is fixedly connected with the upright post 2, the side cross beam is fixedly connected with the vertical beam 4 and the cross beam 5, the damping mechanism comprises a steel stranded wire 7, a, ball hoop 8 is the loop configuration, inner chamber and quality ball 9 fixed connection, in damping chamber 13 was arranged in to quality ball 9, terminal surface fixed connection under 7 upper ends of steel strand wires and the roof 18, lower extreme fixed connection is on ball hoop 8, goes up connection 12 fixed connection terminal surface under ball hoop 8, and connection 11 fixed connection is on damping chamber 13 bottom side down, and oil damper 10 one end and last connection 12 axle fixed connection, the other end and connection 11 fixed connection down. Lower connection structure 11 includes cross pivot 14, lower connecting seat 15, U type pedestal 16 is U type steel plate structure, and both sides are provided with the shaft hole, and lower connecting seat 15 is the disc structure, and fixed connection is on damping chamber 13 bottom side, and the bottom surface of two U type pedestals 16 respectively with lower connecting seat 15 and oil damper 10 bottom fixed connection, two opening vertical cross settings, through 14 fixed connection of cross pivot, it is provided with the shaft hole for the loop configuration side to go up connection structure 12, and 16 opening positions of a U type pedestal pass through an axle fixed connection with connection structure 12, 16 bottoms of U type pedestal and 10 top fixed connection of oil damper. The oil damper 10 has 4, sets up between damping chamber 13 bottom side and ball hoop 8, and the attenuator angle is 40 degrees with vertical direction contained angle.
The number of the steel strands (7) is 4, and the steel strands are uniformly arranged between the top plate 18 and the ball hoop 8. The cross beam 5 and the vertical beam 4 are both made of C-shaped steel. The mass of the mass ball 9 is 1% of the mass of the whole structure of the photovoltaic bracket. The mass ball 9 is composed of concrete, steel and lead.
The length of the steel strand (7) is 700 millimeters, and the frequency ratio of the mass tuning device to the frequency of the whole photovoltaic support is 1.
The damping ratio of the oil damper 10 to the whole structure of the photovoltaic bracket is controlled to be 0.1.
When in use, the device is placed on a foundation with enough bearing capacity, and the photovoltaic panel 1 is assembled and fixed on a fixed bracket formed by crossing the vertical beams 4 and the cross beams 5. When the front surface of the support bears vibration or shaking excitation with the speed of strong wind, earthquake or the like, the steel strand 7 drives the mass ball 9 to swing back and forth along the plane of the wind direction or the vibration direction, the mass ball 9 swings to drive the four oil dampers 10 to compress and stretch and to do reciprocating motion, and under the damping action of the dampers 10, the swing of the mass ball 9 is gradually attenuated and finally tends to be static, so that the stability of the photovoltaic support is kept.
This device reasonable in design can make photovoltaic supporting structure when bearing great wind load and earthquake load, and slight vibration is motionless even, avoids the support to rock and causes the harm for photovoltaic device. Because the device has the wind-resistant and shock-proof effects, the photovoltaic structure can be designed in a light weight mode, the material usage amount is reduced, the cost is reduced, and the social benefit is improved.
Claims (9)
1. The utility model provides a wind-resistant shockproof photovoltaic support, characterized by includes stand (2), lower support frame (3), perpendicular roof beam (4), crossbeam (5), trapezoidal link (6), bracing (13), damping mechanism, stand (2) are hollow columnar structure, and upper portion is provided with damping chamber (13), damping chamber (13) are outstanding cavity rotator structure, and the top is provided with roof (18), perpendicular roof beam (4), crossbeam (5) cross fixed connection constitute the fixed bolster of photovoltaic panel (1), trapezoidal link (6) lower part and stand (2) top side axle fixed connection, upper portion and crossbeam (5) fixed connection, lower support frame (3) are the support, lower part crossbeam and stand (2) fixed connection, side crossbeam and perpendicular roof beam (4), crossbeam (5) fixed connection, damping mechanism includes steel strand wires (7), Ball hoop (8), quality ball (9), oil damper (10), lower connection structure (11), go up connection structure (12), quality ball (9) are high density solid sphere, ball hoop (8) are the loop configuration, inner chamber and quality ball (9) fixed connection, in damping chamber (13) were arranged in to quality ball (9), terminal surface fixed connection under steel strand wires (7) upper end and roof (18), lower extreme fixed connection is on ball hoop (8), goes up terminal surface under connection structure (12) fixed connection ball hoop (8), and lower connection structure (11) fixed connection is on damping chamber (13) bottom side, oil damper (10) one end and last connection structure (12) axle fixed connection, the other end and lower connection structure (11) fixed connection.
2. The wind and shock resistant photovoltaic support according to claim 1, wherein the lower connecting structure (11) comprises a cross-shaped rotating shaft (14), lower connecting seats (15) and U-shaped shaft frames (16), the U-shaped shaft frames (16) are of a U-shaped steel plate structure, shaft holes are formed in two sides of each U-shaped shaft frame, the lower connecting seats (15) are of a disc structure and fixedly connected to the side surface of the bottom of the damping cavity (13), the bottom surfaces of the two U-shaped shaft frames (16) are fixedly connected to the bottom ends of the lower connecting seats (15) and the oil damper (10) respectively, two openings are vertically arranged in a crossed manner and fixedly connected through the cross-shaped rotating shaft (14), the upper connecting structure (12) is of an annular structure, the opening part of one U-shaped shaft frame (16) is fixedly connected to the connecting structure (12) through a shaft, and the bottom of the U-shaped shaft frame (16) is fixedly.
3. The wind-resistant and shock-resistant photovoltaic bracket as claimed in claim 2, wherein the number of the oil dampers (10) is 4, and the oil dampers are arranged between the side surface of the bottom of the damping cavity (13) and the ball hoop (8), and the included angle between the angle of each damper and the vertical direction is 30-45 degrees.
4. A wind and shock resistant photovoltaic support according to claim 1, characterized in that said steel strands (7) have 3-6 strands, uniformly arranged between said top plate (18) and said ball hoop (8).
5. The wind and shock resistant photovoltaic support according to claim 1, characterized in that the cross beams (5) and the vertical beams (4) are made of C-shaped steel.
6. The wind and shock resistant photovoltaic support according to claim 1, characterized in that the mass of the mass ball (9) is 0.5-1.5% of the mass of the whole structure of the photovoltaic support.
7. A wind and shock resistant photovoltaic support according to claim 1, characterized in that said mass balls (9) are made of concrete, steel, lead.
8. The wind-resistant and earthquake-resistant photovoltaic bracket as claimed in claim 1, wherein the length of the steel strand (7) is 500-800 mm, and the ratio of the frequency of the mass tuning device to the frequency of the whole photovoltaic bracket is 0.8-1.3.
9. Wind and shock resistant photovoltaic support according to claim 1, characterized in that the damping ratio of said oil damper (10) to the overall structure of the photovoltaic support is controlled between 0.01 and 0.2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110189399.2A CN112928971A (en) | 2021-02-19 | 2021-02-19 | Wind-resistant shockproof photovoltaic support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110189399.2A CN112928971A (en) | 2021-02-19 | 2021-02-19 | Wind-resistant shockproof photovoltaic support |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112928971A true CN112928971A (en) | 2021-06-08 |
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CN203896253U (en) * | 2014-05-14 | 2014-10-22 | 苏州海宝金属有限公司 | High-strength single-column photovoltaic support |
CN204186674U (en) * | 2014-09-25 | 2015-03-04 | 太原科技大学 | Hollow hydraulic cylinder with built-in viscous damper |
CN105971148A (en) * | 2016-07-21 | 2016-09-28 | 兰州理工大学 | Universal swing track supporting tuned mass damper |
CN206090913U (en) * | 2016-08-28 | 2017-04-12 | 南安市文棋贸易有限公司 | Building quenching and tempering attenuator |
CN107119959A (en) * | 2017-06-30 | 2017-09-01 | 安徽理工大学 | Combined type mono-pendulum type tuned mass damper structural system and construction method |
CN109537757A (en) * | 2018-12-14 | 2019-03-29 | 天津大学 | A kind of multidimensional vibration reduction damper based on Stewart mechanism |
CN209949014U (en) * | 2019-06-21 | 2020-01-14 | 杭州华鼎新能源有限公司 | Dead weight formula photovoltaic support |
CN111219290A (en) * | 2020-03-08 | 2020-06-02 | 北京工业大学 | Self-rotating wind power tower with dual rotors that can collect multiple energy sources and reduce vibration and energy consumption |
CN210950486U (en) * | 2019-09-17 | 2020-07-07 | 张光涛 | Photovoltaic support damping device convenient to use |
CN212200859U (en) * | 2020-03-20 | 2020-12-22 | 上海史狄尔建筑减震科技有限公司 | Frequency modulation mass damper with self-powered system |
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Publication number | Priority date | Publication date | Assignee | Title |
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US5168967A (en) * | 1989-10-18 | 1992-12-08 | Mitsubishi Jukogyo Kabushiki Kaisha | Dynamic damper and method for detecting malfunction of dynamic damper |
CN102535674A (en) * | 2012-02-22 | 2012-07-04 | 广东电网公司电力科学研究院 | Tempering damper system used for improving wind resistance stability of transmission tower based on single pendulum model |
CN203896253U (en) * | 2014-05-14 | 2014-10-22 | 苏州海宝金属有限公司 | High-strength single-column photovoltaic support |
CN204186674U (en) * | 2014-09-25 | 2015-03-04 | 太原科技大学 | Hollow hydraulic cylinder with built-in viscous damper |
CN105971148A (en) * | 2016-07-21 | 2016-09-28 | 兰州理工大学 | Universal swing track supporting tuned mass damper |
CN206090913U (en) * | 2016-08-28 | 2017-04-12 | 南安市文棋贸易有限公司 | Building quenching and tempering attenuator |
CN107119959A (en) * | 2017-06-30 | 2017-09-01 | 安徽理工大学 | Combined type mono-pendulum type tuned mass damper structural system and construction method |
CN109537757A (en) * | 2018-12-14 | 2019-03-29 | 天津大学 | A kind of multidimensional vibration reduction damper based on Stewart mechanism |
CN209949014U (en) * | 2019-06-21 | 2020-01-14 | 杭州华鼎新能源有限公司 | Dead weight formula photovoltaic support |
CN210950486U (en) * | 2019-09-17 | 2020-07-07 | 张光涛 | Photovoltaic support damping device convenient to use |
CN111219290A (en) * | 2020-03-08 | 2020-06-02 | 北京工业大学 | Self-rotating wind power tower with dual rotors that can collect multiple energy sources and reduce vibration and energy consumption |
CN212200859U (en) * | 2020-03-20 | 2020-12-22 | 上海史狄尔建筑减震科技有限公司 | Frequency modulation mass damper with self-powered system |
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