CN117728624B - Direct current electric putter based on photovoltaic cell board supports usefulness - Google Patents
Direct current electric putter based on photovoltaic cell board supports usefulness Download PDFInfo
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- CN117728624B CN117728624B CN202410180138.8A CN202410180138A CN117728624B CN 117728624 B CN117728624 B CN 117728624B CN 202410180138 A CN202410180138 A CN 202410180138A CN 117728624 B CN117728624 B CN 117728624B
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 102
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 192
- 230000009467 reduction Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 20
- 230000001788 irregular Effects 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 description 10
- 238000005299 abrasion Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000032683 aging Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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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Abstract
The application provides a direct current electric push rod based on photovoltaic cell panel support, and relates to the technical field of electric push rods. The direct current electric push rod based on the photovoltaic cell panel support comprises a pre-tightening assembly, energy dissipation mechanisms are symmetrically and fixedly connected to two sides of the first nut and the second nut, the energy dissipation mechanisms comprise energy dissipation shells, an active displacement assembly is hermetically and slidingly arranged in each energy dissipation shell, the active displacement assembly is fixedly connected with the push rod, and a first passive displacement assembly and a second passive displacement assembly are symmetrically and hermetically and slidingly arranged in each energy dissipation shell; the first passive displacement assembly and the second passive displacement assembly are respectively arranged in a concentric ring shape, hydraulic oil is filled in the energy dissipation shell, high-pressure gas is filled between the first passive displacement assembly and the second passive displacement assembly, and by means of pressure change, irregular load borne on the push rod is relieved as much as possible, and then the axial load of irregular change among the first nut, the second nut and the screw rod is reduced.
Description
Technical Field
The application relates to the field of electric push rods, in particular to a direct current electric push rod based on photovoltaic cell panel support.
Background
When the photovoltaic cell panel is installed in a large area, the change of the sun irradiation angle is required to be considered, and the angle adjusting device is configured to drive the photovoltaic cell panel assembly to change the angle, so that the lighting rate of the photovoltaic assembly is improved to the maximum extent to achieve the improvement of the photoelectric conversion rate.
In practical application, in order to promote the receipt to the light energy, generally set up the large tracts of land photovoltaic cell board in the open area that illumination is sufficient, and the large tracts of land photovoltaic cell board is in the installation moreover, generally links into one row with multiunit photovoltaic cell board, forms multiunit photovoltaic module, and later adopts angle adjusting device to carry out the adaptability change of angle to every group photovoltaic module alone.
In the prior art, the angle adjustment of the photovoltaic module is achieved by adopting the electric push rod, specifically, the rotating motion of the motor on the electric push rod is converted into linear reciprocating motion by utilizing the screw rod and the nut in the electric push rod, so that the reciprocating telescopic change of the telescopic end of the electric push rod is achieved, when the electric push rod is applied to the supporting work of the large-area photovoltaic module, the photovoltaic module is arranged in an open area due to the side-tipping setting of the photovoltaic module, the photovoltaic module is easily influenced by the external environment (wind force), the load applied by the photovoltaic module to the electric push rod is caused to be in irregular linear change, then the axial load between the screw rod in the electric push rod and the nut on the screw rod is caused to be in irregular change, the abrasion strength between the screw rod and the nut is increased, the actual service life of the electric push rod is influenced, and the irregular change of the axial load can cause elastic deformation to further cause larger axial channeling quantity, and the abrasion between the screw rod and the nut is further shortened.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a direct current electric push rod based on photovoltaic cell panel support, which is used for supporting a photovoltaic cell panel and comprises a push rod assembly, wherein the push rod assembly comprises a push rod sleeve and a push rod, the push rod is coaxially and hermetically inserted into the push rod sleeve in a sliding manner, one end of the push rod sleeve is fixedly connected with a speed reducing assembly, the speed reducing assembly is provided with a power source by a direct current motor, a transmission assembly is coaxially arranged in the push rod sleeve, the transmission assembly comprises a screw rod shaft in transmission connection with the speed reducing assembly, a first nut and a second nut which are symmetrically arranged, the screw rod shaft is coaxially and slidably inserted into the push rod, and the first nut and the second nut are respectively in threaded fit with the screw rod shaft, and the direct current electric push rod further comprises:
The first nut and the second nut are sleeved with a pre-tightening assembly, the pre-tightening assembly comprises a first sleeve and a second sleeve which are symmetrically arranged, and the pre-tightening nut is connected between the first sleeve and the second sleeve in a threaded manner;
the energy dissipation mechanism comprises an energy dissipation shell fixedly connected to the first nut and the second nut, an active displacement assembly is hermetically and slidingly arranged in the energy dissipation shell, the active displacement assembly is fixedly connected with the push rod, and a first passive displacement assembly and a second passive displacement assembly are symmetrically and hermetically and slidingly arranged in the energy dissipation shell;
The first passive displacement assembly and the second passive displacement assembly are identical in structure size, are respectively arranged in concentric rings, and are positioned on the inner side and the outer side of the active displacement assembly;
Hydraulic oil is filled in the energy dissipation shell, and high-pressure gas is filled between the first passive displacement assembly and the second passive displacement assembly.
In addition, the direct current electric push rod based on the photovoltaic cell panel support has the following additional technical characteristics:
in some embodiments of the present application, a limit groove is disposed on the inner wall of the push rod sleeve along the axial circumference;
One end of the push rod inserted into the push rod sleeve is fixedly connected with a connecting seat;
the push rod and the push rod sleeve are in sealing fit with each other, the push rod and the sealing sleeve are in sealing sliding fit with each other, and the push rod sleeve is fixedly connected with the sealing sleeve.
In some embodiments of the present application, a limiting strip is uniformly arranged on the side wall of the first sleeve along the axial direction, and the limiting strip is in sliding fit with the limiting groove;
the structural size of the second sleeve is identical to that of the first sleeve;
the two ends of the pre-tightening nut are provided with symmetrical threaded parts which are respectively in threaded fit with the first sleeve and the second sleeve.
In some embodiments of the present application, one of the energy dissipation shells is fixedly connected with the connection base, a first connection rod is fixedly connected on the connection base along an axial circumference, the first connection rod is in sealed sliding connection with the energy dissipation shell and is fixedly connected with the active displacement assembly in the energy dissipation shell, a second connection rod is fixedly connected on the other side of the active displacement assembly along the axial circumference, and after the second connection rod extends out of the energy dissipation shell in a sealed sliding manner, the second connection rod sequentially penetrates through a flange of the second nut, the second sleeve, the first sleeve and a flange of the first nut in a sliding manner, and then is in sealed sliding connection with the other energy dissipation shell and is fixedly connected with the active displacement assembly therein.
In some embodiments of the present application, the energy dissipation shell is provided in a ring shape, and an annular sealing cavity is provided inside the energy dissipation shell;
An outer sealing ring and an inner sealing ring are concentrically arranged in the sealing cavity along the axial direction, the outer sealing ring and the inner sealing ring divide the sealing cavity into three annular cavities, dissipation pieces are respectively and fixedly arranged in the cavities positioned at the inner side and the outer side of the three annular cavities, and the dissipation pieces divide the inner annular cavity and the outer annular cavity into a left cavity and a right cavity in the middle respectively;
The outer sealing ring is fixedly connected with the energy dissipation shell, and an outer layer opening is formed in the circumference of the side wall of the outer sealing ring;
the inner sealing ring is fixedly connected with the energy dissipation shell, and an inner opening is formed in the circumference of the side wall of the inner sealing ring.
In some embodiments of the application, the active displacement assembly sealingly slides within an annular cavity centered in the sealed cavity;
The first passive displacement assembly respectively seals and slides in the left chambers of the inner annular cavity and the outer annular cavity of the sealing cavity, and the second passive displacement assembly respectively seals and slides in the right chambers of the inner annular cavity and the outer annular cavity of the sealing cavity.
In some embodiments of the present application, the first passive displacement assembly comprises a first outer seal ring and a first inner seal ring disposed concentrically along an axial direction, the radial cross-sections of the first outer seal ring and the first inner seal ring being i-shaped.
In some embodiments of the present application, guide rods are uniformly arranged on the first outer sealing ring and the first inner sealing ring along the axial direction, and the guide rods are fixedly connected to the energy dissipation shell and are in sealing sliding fit with the first outer sealing ring and the first inner sealing ring respectively.
In some embodiments of the present application, an elastic member is sleeved on the guide rod, and the elastic member is located on one side of the first outer sealing ring and the first inner sealing ring, which faces the inner wall of the energy dissipation shell.
In some embodiments of the present application, the second passive displacement assembly comprises a second outer seal ring and a second inner seal ring concentrically disposed along an axial direction, the radial cross sections of the second outer seal ring and the second inner seal ring being i-shaped;
the second outer sealing ring and the second inner sealing ring are provided with the guide rods and the elastic pieces which are symmetrical to the first outer sealing ring and the first inner sealing ring.
In some embodiments of the present application, the active displacement assembly includes a left sealing plate and a right sealing plate which are symmetrically and fixedly connected, the structural sizes of the left sealing plate and the right sealing plate are the same, an outer sealing ring and an inner sealing ring are respectively and concentrically sleeved on the inner side and the outer side of the left sealing plate and the inner sealing ring, and the radial cross sections of the outer sealing ring and the inner sealing ring are 匚 -shaped.
In some embodiments of the present application, the left sealing plate and the right sealing plate are concentrically provided with annular concave parts on opposite sides.
In some embodiments of the present application, the inner side and the outer side of the left sealing plate and the right sealing plate are symmetrically provided with an outer layer groove and an inner layer groove, respectively, wherein the outer sealing ring slides in the outer layer groove in a sealing way, and the inner sealing ring slides in the inner layer groove in a sealing way.
In some embodiments of the present application, radial through holes are respectively circumferentially arranged between the concave portion and the outer layer groove and between the concave portion and the inner layer groove, and the concave portion is respectively communicated with the outer layer groove and the inner layer groove through the radial through holes.
In some embodiments of the present application, the dissipation element in the energy dissipation housing comprises an outer sealing plate and an inner sealing plate which are concentrically arranged, wherein the outer sealing plate is fixedly connected in an outer cavity of the three annular cavities in the sealed cavity and divides the cavity into a left cavity and a right cavity which are symmetrical, and the inner sealing plate is fixedly connected in an inner cavity of the three annular cavities in the sealed cavity and equally divides the cavity into a left cavity and a right cavity which are symmetrical.
In some embodiments of the present application, the outer side wall of the energy dissipation shell is uniformly provided with outer embedded grooves along the axial direction, and the inner side wall of the energy dissipation shell is uniformly provided with inner embedded grooves along the axial direction.
In some embodiments of the present application, a plurality of outer heat dissipating strips are uniformly and fixedly connected to the outer wall of the outer sealing plate along the axial direction, and a plurality of inner heat dissipating strips are uniformly and fixedly connected to the inner wall of the inner sealing plate along the axial direction.
In some embodiments of the present application, the outer layer heat sink strip is adapted to fit within the outer layer recessed groove, and the inner layer heat sink strip is adapted to fit within the inner layer recessed groove.
According to the embodiment of the application, the direct current electric push rod based on the photovoltaic cell panel support has the beneficial effects that:
1. The pre-tightening nuts can be utilized to finely adjust the positions between the first nut and the second nut which are symmetrically arranged in advance, so that the axial shifting amount between the first nut and the screw rod and between the second nut and the screw rod is reduced;
2. The axial displacement of the active displacement assembly in the energy dissipation shell is utilized to force the first passive displacement assembly and the second passive displacement assembly to generate the axial displacement in the same direction, so that hydraulic oil in the energy dissipation shell is shifted, high-pressure gas is synchronously compressed and expanded, irregular load borne on the push rod is relieved as much as possible by utilizing pressure change, and then the irregular load is transferred to between the first nut, the second nut and the screw rod, and the axial load of the irregular change among the first nut, the second nut and the screw rod is reduced;
3. By utilizing the symmetrically arranged energy dissipation mechanisms, irregular loads borne on the push rod are synchronously alleviated from the two ends of the first nut and the second nut, the effect of reducing the irregularly-changed axial load between the first nut, the second nut and the screw rod can be enhanced, and the range of the irregularly-changed axial load borne on the push rod can be enhanced at the same time.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a direct current electric push rod for supporting a photovoltaic cell panel according to an embodiment of the application;
fig. 2 is a schematic diagram of an internal structure of a dc electric putter for supporting a photovoltaic cell panel according to an embodiment of the present application;
FIG. 3 is a structural cross-sectional view of a push rod sleeve according to an embodiment of the present application;
FIG. 4 is a partial structural schematic view of the internal structure of a push rod sleeve according to an embodiment of the present application;
FIG. 5 is a partial structural exploded view of the internal structure of a push rod sleeve according to an embodiment of the present application;
FIG. 6 is a structural cross-sectional view of an energy dissipating mechanism according to an embodiment of the present application;
FIG. 7 is an exploded view of a partial structure of an energy dissipating mechanism according to an embodiment of the present application;
FIG. 8 is an enlarged schematic view of A of FIG. 7 in accordance with an embodiment of the application;
FIG. 9 is an enlarged schematic view of B of FIG. 7 in accordance with an embodiment of the application;
FIG. 10 is a partial structural exploded view of an active displacement assembly according to an embodiment of the present application;
FIG. 11 is an enlarged schematic view of C of FIG. 10 in accordance with an embodiment of the application;
FIG. 12 is an exploded view of a partial structure of a dissipation element and energy dissipating housing according to an embodiment of the present application;
fig. 13 is an enlarged view of D in fig. 12 according to an embodiment of the present application.
Icon: 1. a push rod assembly; 11. a push rod sleeve; 111. a limit groove; 12. a push rod; 121. a connecting seat; 13. sealing sleeve; 2. a deceleration assembly; 3. a DC motor; 4. a transmission assembly; 41. a screw shaft; 42. a first nut; 43. a second nut; 5. a pretension assembly; 51. a first sleeve; 511. a limit bar; 52. a second sleeve; 53. pre-tightening the nut; 531. a threaded portion; 6. an energy dissipation mechanism; 601. a first connecting rod; 602. a second connecting rod; 61. an energy dissipation housing; 611. sealing the cavity; 612. an outer seal ring; 613. an inner seal ring; 614. an outer layer opening; 615. an inner layer notch; 616. an outer layer embedding groove; 617. an inner layer embedding groove; 62. an active displacement assembly; 621. a left sealing plate; 622. a right sealing plate; 623. a recessed portion; 624. an outer layer groove; 625. an inner layer groove; 626. a radial through hole; 627. an outer layer sealing ring; 628. an inner sealing collar; 63. a first passive displacement assembly; 631. a first outer seal ring; 632. a first inner seal ring; 633. a guide rod; 634. an elastic member; 64. a second passive displacement assembly; 641. a second outer seal ring; 642. a second inner seal ring; 7. a dissipation element; 71. an outer layer sealing plate; 711. an outer layer heat radiation strip; 72. an inner layer sealing plate; 721. an inner layer heat dissipation strip.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.
As shown in fig. 1-13, according to an embodiment of the present application, a direct current electric push rod for supporting a photovoltaic panel is used for supporting the photovoltaic panel, and includes a push rod assembly 1, where the push rod assembly 1 includes a push rod sleeve 11 and a push rod 12, the push rod 12 is coaxially and slidably inserted into the push rod sleeve 11 in a sealing manner, one end of the push rod sleeve 11 is fixedly connected with a speed reduction assembly 2, the speed reduction assembly 2 is powered by a direct current motor 3, a transmission assembly 4 is coaxially disposed in the push rod sleeve 11, the transmission assembly 4 includes a screw shaft 41 in transmission connection with the speed reduction assembly 2, and a first nut 42 and a second nut 43 that are symmetrically disposed, the screw shaft 41 is coaxially and slidably inserted into the push rod 12, and the first nut 42 and the second nut 43 are respectively in threaded fit with the screw shaft 41.
The speed reduction assembly 2 may be a gear speed reduction mechanism in the prior art, the first nut 42, the second nut 43 and the screw shaft 41 are ball screws that are adapted, the direct current motor 3 is a direct current servo motor that adopts direct current to operate, specifically, how the direct current motor 3 drives the screw shaft 41 to rotate through the speed reduction assembly 2, and drives the push rod 12 to make a reciprocating axial displacement in the push rod sleeve 11 through the first nut 42 and the second nut 43, so as to realize an angle change of the photovoltaic cell panel.
Further, the first nut 42 and the second nut 43 are sleeved with the pre-tightening assembly 5, the pre-tightening assembly 5 comprises a first sleeve 51 and a second sleeve 52 which are symmetrically arranged, the pre-tightening nut 53 is connected between the first sleeve 51 and the second sleeve 52 in a threaded manner, as shown in fig. 4, the relative displacement between the first sleeve 51 and the second sleeve 52 at two ends of the pre-tightening nut 53 can be caused by rotating the pre-tightening nut 53, and then fine adjustment of the distance between the first nut 42 and the second nut 43 is realized, so that the control of the axial running amount of the first nut 42 and the second nut 43 on the screw shaft 41 is achieved, and abrasion between the first nut 42, the second nut 43 and the screw shaft 41 caused by the excessive running amount is reduced.
The first sleeve 51 and the second sleeve 52 are fixedly sleeved with the first nut 42 and the second nut 43, respectively.
The energy dissipation mechanism 6 is symmetrically and fixedly connected to the two sides of the first nut 42 and the second nut 43, the energy dissipation mechanism 6 comprises an energy dissipation shell 61 fixedly connected to the first nut 42 and the second nut 43, an active displacement assembly 62 is hermetically and slidingly arranged in the energy dissipation shell 61, the active displacement assembly 62 is fixedly connected with the push rod 12, and a first passive displacement assembly 63 and a second passive displacement assembly 64 are symmetrically and hermetically and slidingly arranged in the energy dissipation shell 61;
The first passive displacement assembly 63 and the second passive displacement assembly 64 have the same structure size, and the first passive displacement assembly 63 and the second passive displacement assembly 64 are respectively arranged in concentric rings and are positioned on the inner side and the outer side of the active displacement assembly 62;
the energy dissipating housing 61 is filled with hydraulic oil, and high-pressure gas is filled between the first passive displacement assembly 63 and the second passive displacement assembly 64.
In addition, the direct current electric push rod based on the photovoltaic cell panel support has the following additional technical characteristics:
As shown in fig. 3, a limit groove 111 is formed on the inner wall of the push rod sleeve 11 along the axial circumference;
As shown in fig. 5, a connecting seat 121 is fixedly connected to one end of the push rod 12 inserted into the push rod sleeve 11;
As shown in fig. 2, a sealing sleeve 13 is in sealing fit between the push rod 12 and the push rod sleeve 11, wherein the push rod 12 and the sealing sleeve 13 are in sealing sliding fit, the push rod sleeve 11 is fixedly connected with the sealing sleeve 13, and the sealing sleeve 13 can prevent dust from entering the push rod sleeve 11 and further reduce abrasion among the first nut 42, the second nut 43 and the screw rod shaft 41.
As shown in fig. 5, the side wall of the first sleeve 51 is uniformly provided with a limit bar 511 along the axial direction, and the limit bar 511 and the limit groove 111 are in sliding fit, so as to limit the first nut 42 and the second nut 43 from rotating along the axial direction on the screw shaft 41, and thus when the screw shaft 41 rotates, the first nut 42 and the second nut 43 can normally reciprocate along the screw shaft 41.
The second sleeve 52 is identical in construction size to the first sleeve 51;
symmetrical screw portions 531 are provided at both ends of the pretensioning nut 53, and the screw portions 531 are screw-engaged with the first sleeve 51 and the second sleeve 52, respectively.
Further, as shown in fig. 4 and 5, in the embodiment of the present application, the energy dissipation housing 61 far away from the speed reduction assembly 2 is fixedly connected with the connection seat 121, a first connection rod 601 is fixedly connected on the connection seat 121 along the axial circumference, the first connection rod 601 is in a sealing sliding connection with the energy dissipation housing 61 and is fixedly connected with the active displacement assembly 62 in the energy dissipation housing 61, a second connection rod 602 is fixedly connected on the other side of the active displacement assembly 62 along the axial circumference, after the second connection rod 602 extends out of the energy dissipation housing 61 in a sealing sliding manner, the second connection rod 602 sequentially slides through the flange of the second nut 43, the second sleeve 52, the first sleeve 51 and the flange of the first nut 42, and then is in a sealing sliding connection with the other energy dissipation housing 61 and is fixedly connected with the active displacement assembly 62 therein.
It can be understood that the active displacement assemblies 62 in the two energy dissipating shells 61 are fixedly connected by the first connecting rod 601 and the second connecting rod 602, and are fixedly connected with the connecting seat 121.
Further, as shown in fig. 6-8, the energy dissipation shell 61 is annular, and an annular sealing cavity 611 is arranged inside the energy dissipation shell;
An outer layer sealing ring 612 and an inner layer sealing ring 613 are concentrically arranged in the sealing cavity 611 along the axial direction, the outer layer sealing ring 612 and the inner layer sealing ring 613 divide the sealing cavity 611 into three annular cavities, dissipation pieces 7 are respectively and fixedly arranged in the cavities positioned at the inner side and the outer side of the three annular cavities, and the dissipation pieces 7 divide the inner annular cavity and the outer annular cavity into a left cavity and a right cavity respectively;
The outer sealing ring 612 is fixedly connected with the energy dissipation shell 61, and outer openings 614 are circumferentially formed in the side walls of the outer sealing ring 612, and the outer openings 614 are symmetrically formed in the two side walls of the outer sealing ring 612, so that communication is formed between the middle annular cavity and the outer annular cavity of the sealing cavity 611.
The inner sealing ring 613 is fixedly connected with the energy dissipation housing 61, and inner openings 615 are circumferentially formed in the side walls of the inner sealing ring 613, and it is to be noted that the inner openings 615 are symmetrically formed in the two side walls of the inner sealing ring 613, so that communication is formed between the middle annular cavity of the sealing cavity 611 and the inner annular cavity.
Further, the active displacement assembly 62 is hermetically slid into the annular cavity centered in the sealing cavity 611;
The first passive displacement assembly 63 is respectively sealed and slid in the left chambers of the two annular chambers inside and outside the sealing chamber 611, and the second passive displacement assembly 64 is respectively sealed and slid in the right chambers of the two annular chambers inside and outside the sealing chamber 611.
It should be noted that, the chambers in which the first passive displacement assembly 63 and the second passive displacement assembly 64 are located are filled with high-pressure gas inside the chambers on the sides close to each other, that is, the spaces in the axial distance range between the first passive displacement assembly 63 and the second passive displacement assembly 64 are filled with high-pressure gas, and the spaces left in the sealed cavity 611 are filled with hydraulic oil.
Further, the first passive displacement assembly 63 includes a first outer seal ring 631 and a first inner seal ring 632 concentrically disposed along an axial direction, and the radial cross sections of the first outer seal ring 631 and the first inner seal ring 632 are in an i shape, so that the sealing effect of the first outer seal ring 631 and the first inner seal ring 632 is enhanced due to the i-shaped arrangement.
Further, the first outer sealing ring 631 and the first inner sealing ring 632 are uniformly provided with guiding rods 633 along the axial direction, and the guiding rods 633 are fixedly connected to the energy dissipation shell 61 and are in sealing sliding fit with the first outer sealing ring 631 and the first inner sealing ring 632 respectively.
Further, an elastic member 634 is sleeved on the guiding rod 633, and the elastic member 634 is located at one side of the first outer sealing ring 631 and the first inner sealing ring 632 facing the inner wall of the energy dissipation shell 61.
Further, the second passive displacement assembly 64 includes a second outer seal ring 641 and a second inner seal ring 642 concentrically disposed along an axial direction, the radial cross sections of the second outer seal ring 641 and the second inner seal ring 642 being i-shaped;
The second outer seal ring 641 and the second inner seal ring 642 are provided with guide rods 633 and elastic members 634 symmetrical to the first outer seal ring 631 and the first inner seal ring 632.
In the embodiment of the application, when the direct current electric push rod is used, the pre-tightening nut 53 is rotated in advance, so that the first sleeve 51 and the second sleeve 52 respectively drive the first nut 42 and the second nut 43 to generate axial relative displacement, the axial displacement between the two nuts and the screw rod shaft 41 is subjected to fine adjustment, and the axial displacement is controlled, so that the abrasion between the nuts and the screw rod shaft 41 caused by the axial displacement is reduced;
The pressure of the high-pressure gas and the elastic force of the elastic piece 634 are preset according to the load value when the photovoltaic panel is normally supported by the direct current electric push rod, so that the first passive displacement assembly 63 and the second passive displacement assembly 64 are respectively arranged at symmetrical positions of the sealing cavity 611 and are respectively arranged at one quarter of the axial positions of the outer layer cavity and the inner layer cavity when the photovoltaic panel is normally supported by the direct current electric push rod;
In the process that the direct current electric pushing rod supports the photovoltaic cell panel, once the photovoltaic cell panel is impacted by wind force on the front side, at this time, the load on the push rod 12 becomes larger, namely, the push rod 12 receives additional force, so that the push rod 12 has a tendency of moving towards the inside of the push rod sleeve 11, at this time, the push rod 12 transmits force to two active displacement assemblies 62 fixedly connected with the push rod 12, the energy dissipation mechanism 6 near one end of the push rod 12 is taken as an example, when the active displacement assembly 62 in the process is forced to the left side, at this time, hydraulic oil in the sealing cavity 611 is extruded on the left side of the active displacement assembly 62, and the hydraulic oil in the sealing cavity is extruded into a cavity where the first outer sealing ring 631 and the first inner sealing ring 632 are located through an outer layer notch 614 positioned on the left side and an inner layer notch 615 respectively, and high pressure gas on the right side of the first outer sealing ring 631 and the first inner sealing ring 632 is extruded, in the process, the first outer sealing ring 631 and the first inner sealing ring 632 are respectively slid along the guide rods 633 which are fixedly connected with the push rod 12, in the process, the first outer sealing ring 633 and the second outer sealing ring 642 are gradually slid along the guide rods which are inserted and the guide rods 641, the left side of the active sealing ring body is gradually displaced towards the left side, and the right side of the second sealing ring 641, and the inner sealing ring 641 is gradually displaced along the left side, and the left side of the sealing rod is expanded, and the inner sealing rod 641 is correspondingly, and the left side of the sealing rod is elastically displaced along the sealing rod upper side of the sealing rod body, and the sealing rod is correspondingly, and the sealing rod is expanded, and the sealing rod is positioned on the opposite side, and the sealing rod is elastically, the load on the push rod 12 becomes smaller, that is, the push rod 12 has a tendency to displace towards the outside of the push rod sleeve 11, at this time, the inside of the energy dissipation mechanism 6 near one end of the push rod 12 will change inversely to the above, that is, the high-pressure gas on the right side of the sealing cavity 611 is extruded, the pressure becomes larger, the high-pressure gas on the left side becomes smaller, and the elastic piece 634 on the left side is extruded; in the same way, the high-pressure gas in the energy dissipation mechanism 6 at one end far away from the push rod 12 can generate the same pressure change, so that the extra force transmitted by the push rod 12 is buffered in the whole process through the change of the pressure values of the high-pressure gas in the two energy dissipation mechanisms 6, so that the load which is originally linearly changed is changed in a curve, the rigidity force of the photovoltaic cell panel to the push rod 12 due to wind force is reduced to be converted into smooth flexible force, the rigidity force is further prevented from being directly applied to the two nuts on the screw rod shaft 41, the abrasion between the two nuts and the screw rod shaft 41 is further reduced, and because the rigid force back is converted into the flexible force with damping, the photovoltaic cell panel is also protected, and it is to be noted that the displacement stroke of the active displacement assembly 62 in the energy dissipation shell 61 is limited, so that when the direct current electric push rod is used for supporting the photovoltaic cell panel, the influence of the displacement stroke amount of the active displacement assembly 62 on the angle change is basically ignored in order to adapt to the change of sunlight and change the elevation angle of the photovoltaic cell panel, the stroke amount is avoided being larger, the change of the elevation angle of the photovoltaic cell panel is larger, and the photoelectric conversion efficiency of the photovoltaic cell panel is interfered.
In the related art, in the specific application process, the direct current electric push rod based on the photovoltaic panel support can cause frequent reciprocating axial displacement of the active displacement assembly 62 in the direct current electric push rod along with the push rod 12 due to the size and frequency of external wind power, so that abrasion and aging between the active displacement assembly 62 and the outer layer sealing ring 612 and the inner layer sealing ring 613 at two ends of the active displacement assembly are aggravated, the sealing performance of the direct current electric push rod is reduced, and finally the flexibility of the energy dissipation mechanism 6 to external force applied to the push rod 12 is affected.
According to some embodiments of the present application, as shown in fig. 10 and 11, the active displacement assembly 62 includes a left sealing plate 621 and a right sealing plate 622 which are symmetrically and fixedly connected, the left sealing plate 621 and the right sealing plate 622 have the same structure size, an outer sealing ring 627 and an inner sealing ring 628 are respectively and concentrically sleeved on the inner side and the outer side of the left sealing plate 621 and the right sealing plate 622, and the radial cross sections of the outer sealing ring 627 and the inner sealing ring 628 are 匚.
The left sealing plate 621 and the right sealing plate 622 are provided with annular concave portions 623 concentrically on opposite sides thereof.
Specifically, the inner side and the outer side of the left sealing plate 621 and the right sealing plate 622 are symmetrically provided with an outer groove 624 and an inner groove 625, respectively, wherein the outer sealing ring 627 slides in the outer groove 624 in a sealing manner, and the inner sealing ring 628 slides in the inner groove 625 in a sealing manner.
It should be noted that, the open ends of the outer seal ring 627 and the inner seal ring 628 which are disposed in 匚 form face the inner sides of the corresponding outer groove 624 and inner groove 625, respectively.
Further, radial through holes 626 are circumferentially arranged between the concave portion 623 and the outer layer groove 624 and the inner layer groove 625, respectively, and the radial through holes 626 enable the concave portion 623 to be communicated with the outer layer groove 624 and the inner layer groove 625, respectively.
Therefore, when the active displacement assembly 62 is axially displaced between the outer seal ring 612 and the inner seal ring 613 in specific use, no matter left or right, there is always a tendency that one side of the active displacement assembly is pressure-enhanced due to extrusion of hydraulic oil, the hydraulic oil flows into the outer seal ring 627 and the inner seal ring 628 which are respectively connected from the concave portion 623 through the radial through hole 626, and the open ends of the outer seal ring 627 and the inner seal ring 628 which are respectively arranged in the shape of 匚 face the inner sides of the corresponding outer seal ring 624 and the inner seal ring 625, so that the hydraulic oil will be filled in the inner sides of the outer seal ring 627 and the inner seal ring 628, and under the action of pressure enhancement, the sealing ends of the outer seal ring 627 and the inner seal ring 628 (i.e. the ends which are respectively abutted against the outer seal ring 612 and the inner seal ring 613) have a tendency to be radially far away, that is to strengthen the sealing performance between the outer seal ring 627 and the inner seal ring 612 and the inner seal ring 613, and meanwhile, due to the tendency that the radial far away is present, the sealing performance between the outer seal ring 627 and the inner seal ring 612 can be further prolonged, the service life of the active displacement assembly 62 can be further prolonged, and the service life of the active displacement assembly can be further prolonged.
In the related art, in the specific use process, because the energy dissipation mechanism 6 needs to perform frequent flexibility on external force under the external force factor, the high-pressure gas in the energy dissipation mechanism will be frequently and repeatedly compressed, and the high-pressure gas is frequently compressed, which will cause heat generation, if the heat is not dissipated, the temperature of hydraulic oil in the energy dissipation mechanism 6 is easily increased, and then the aging of the outer sealing ring 627 and the inner sealing ring 628 is accelerated.
According to some embodiments of the present application, as shown in fig. 12 and 13, the dissipation element 7 in the energy dissipation shell 61 includes an outer layer sealing plate 71 and an inner layer sealing plate 72 which are concentrically arranged, the outer layer sealing plate 71 is fixedly connected to the outer side of the three annular cavities in the sealed cavity 611 and divides the cavity into two symmetrical left and right cavities, and the inner layer sealing plate 72 is fixedly connected to the inner side of the three annular cavities in the sealed cavity 611 and equally divides the cavity into two symmetrical left and right cavities.
Wherein, the outer side wall of the energy dissipation shell 61 is uniformly provided with outer embedded grooves 616 along the axial direction, and the inner side wall of the energy dissipation shell 61 is uniformly provided with inner embedded grooves 617 along the axial direction.
Specifically, a plurality of outer heat dissipating strips 711 are uniformly fixed to the outer wall of the outer sealing plate 71 in the axial direction, and a plurality of inner heat dissipating strips 721 are uniformly fixed to the inner wall of the inner sealing plate 72 in the axial direction.
Further, the outer heat sink strip 711 is adapted to the outer insert groove 616, and the inner heat sink strip 721 is adapted to the inner insert groove 617.
In the embodiment of the present application, the outer layer sealing plate 71, the inner layer sealing plate 72, the outer layer heat dissipating strip 711 and the inner layer heat dissipating strip 721 may be made of metal with good heat conducting effect.
It should be noted that, in the embodiment of the present application, two ends of the outer layer heat dissipation bar 711 are flush with the end surface of the energy dissipation shell 61, and the outer diameter of the outer layer heat dissipation bar 711 is the same as the outer diameter of the energy dissipation shell 61, and both the outer diameter and the outer diameter of the energy dissipation shell are attached to the inner wall of the push rod sleeve 11, so as to better conduct heat energy; both ends of the inner heat dissipation strip 721 are flush with the end surface of the energy dissipation housing 61, and the inner diameter of the outer heat dissipation strip 721 is the same as the inner diameter of the energy dissipation housing 61 and is in clearance fit with the screw shaft 41, so as to reduce conduction of heat energy to the screw shaft 41.
Therefore, when the energy dissipation mechanism 6 is in specific use, and the high-pressure gas therein is subjected to complex compression change due to the action of external force, the heat generated by the high-pressure gas is conducted to the outer heat dissipation strip 711 and the inner heat dissipation strip 721 respectively through the outer seal plate 71 and the inner seal plate 72, and finally the heat is dissipated to the inside of the push rod sleeve 11 and the inner wall of the push rod sleeve 11 through the outer heat dissipation strip 711 and the inner heat dissipation strip 721, and then conducted to the outside through the push rod sleeve 11 for heat dissipation, so that the heat generated by the high-pressure gas is reduced, and the aging speed of the outer seal ring 627 and the inner seal ring 628 is slowed down.
It should be noted that, specific model specifications of the speed reducing assembly 2, the dc motor 3, the screw shaft 41, the first nut 42, the second nut 43 and the elastic member 634 need to be determined by selecting a model according to an actual specification of the device, and a specific model selection calculation method adopts a prior art in the art, so that detailed descriptions thereof are omitted.
The foregoing is merely illustrative embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present application, and the application should be covered. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (6)
1. Direct current electric putter based on photovoltaic cell board supports usefulness for support photovoltaic cell board, contain push rod assembly (1), push rod assembly (1) contains push rod cover (11) and push rod (12), push rod (12) coaxial seal slide peg graft in push rod cover (11), the one end rigid coupling of push rod cover (11) has reduction assembly (2), reduction assembly (2) are provided with power supply by direct current motor (3), coaxial drive assembly (4) that are provided with in push rod cover (11), drive assembly (4) include with lead screw axle (41) that reduction assembly (2) transmission is connected to and first nut (42) and second nut (43) that the symmetry set up, lead screw axle (41) coaxial slip peg graft in push rod (12), first nut (42) with second nut (43) respectively with lead screw axle (41) screw fit, its characterized in that:
The first nut (42) and the second nut (43) are sleeved with a pre-tightening assembly (5), the pre-tightening assembly (5) comprises a first sleeve (51) and a second sleeve (52) which are symmetrically arranged, and a pre-tightening nut (53) is connected between the first sleeve (51) and the second sleeve (52) in a threaded manner;
the energy dissipation mechanism (6) is symmetrically and fixedly connected to the two sides of the first nut (42) and the second nut (43), the energy dissipation mechanism (6) comprises an energy dissipation shell (61) fixedly connected to the first nut (42) and the second nut (43), an active displacement assembly (62) is hermetically and slidingly arranged in the energy dissipation shell (61), the active displacement assembly (62) is fixedly connected with the push rod (12), and a first passive displacement assembly (63) and a second passive displacement assembly (64) are symmetrically and hermetically and slidingly arranged in the energy dissipation shell (61);
The first passive displacement assembly (63) and the second passive displacement assembly (64) are identical in structure size, and the first passive displacement assembly (63) and the second passive displacement assembly (64) are respectively arranged in a concentric ring shape and are positioned on the inner side and the outer side of the active displacement assembly (62);
Hydraulic oil is filled in the energy dissipation shell (61), and high-pressure gas is filled between the first passive displacement assembly (63) and the second passive displacement assembly (64);
a limiting groove (111) is formed in the inner wall of the push rod sleeve (11) along the axial circumference;
One end of the push rod (12) inserted into the push rod sleeve (11) is fixedly connected with a connecting seat (121);
A sealing sleeve (13) is in sealing fit between the push rod (12) and the push rod sleeve (11), wherein the push rod (12) is in sealing sliding fit with the sealing sleeve (13), and the push rod sleeve (11) is fixedly connected with the sealing sleeve (13);
A limiting strip (511) is uniformly arranged on the side wall of the first sleeve (51) along the axial direction, and the limiting strip (511) is in sliding fit with the limiting groove (111);
the second sleeve (52) is identical in size to the first sleeve (51);
Symmetrical threaded parts (531) are arranged at two ends of the pre-tightening nut (53), and the threaded parts (531) are respectively in threaded fit with the first sleeve (51) and the second sleeve (52);
One of the energy dissipation shells (61) is fixedly connected with the connecting seat (121), a first connecting rod (601) is fixedly connected on the connecting seat (121) along the axial circumference, the first connecting rod (601) is in sealing sliding connection with the energy dissipation shell (61) and fixedly connected with the active displacement assembly (62) in the energy dissipation shell (61), a second connecting rod (602) is fixedly connected on the other side of the active displacement assembly (62) along the axial circumference, and after the second connecting rod (602) is in sealing sliding connection with the energy dissipation shell (61), the second connecting rod sequentially penetrates through the flange of the second nut (43), the second sleeve (52), the first sleeve (51) and the flange of the first nut (42) in a sliding manner, and then is in sealing sliding connection with the other energy dissipation shell (61) and fixedly connected with the active displacement assembly (62) therein;
the energy dissipation shell (61) is in an annular arrangement, and an annular sealing cavity (611) is arranged in the energy dissipation shell;
an outer layer sealing ring (612) and an inner layer sealing ring (613) are concentrically arranged in the sealing cavity (611) along the axial direction, the outer layer sealing ring (612) and the inner layer sealing ring (613) divide the sealing cavity (611) into three annular cavities, dissipation pieces (7) are respectively and fixedly arranged in the cavities positioned at the inner side and the outer side of the three annular cavities, and the dissipation pieces (7) divide the inner annular cavity and the outer annular cavity into two identical chambers at the middle;
the outer sealing ring (612) is fixedly connected with the energy dissipation shell (61), and an outer layer opening (614) is formed in the circumference of the side wall of the outer sealing ring (612);
the inner sealing ring (613) is fixedly connected with the energy dissipation shell (61), and an inner gap (615) is formed in the circumference of the side wall of the inner sealing ring (613).
2. The direct current electric push rod based on photovoltaic cell panel support as set forth in claim 1, wherein: the active displacement assembly (62) slides in the annular cavity centered by the sealing cavity (611) in a sealing way;
the first passive displacement assembly (63) respectively seals and slides in the left chambers of the inner annular cavity and the outer annular cavity of the sealing cavity (611), and the second passive displacement assembly (64) respectively seals and slides in the right chambers of the inner annular cavity and the outer annular cavity of the sealing cavity (611).
3. The direct current electric push rod based on photovoltaic cell panel support as set forth in claim 1, wherein: the first passive displacement assembly (63) comprises a first outer sealing ring (631) and a first inner sealing ring (632) which are concentrically arranged along the axial direction, and the radial sections of the first outer sealing ring (631) and the first inner sealing ring (632) are I-shaped.
4. A direct current electric putter based on photovoltaic cell panel support usefulness according to claim 3, wherein: guide rods (633) are uniformly arranged on the first outer sealing ring (631) and the first inner sealing ring (632) along the axial direction, and the guide rods (633) are fixedly connected to the energy dissipation shell (61) and are respectively in sealing sliding fit with the first outer sealing ring (631) and the first inner sealing ring (632).
5. The direct current electric push rod based on photovoltaic cell panel support as set forth in claim 4, wherein: an elastic piece (634) is sleeved on the guide rod (633), and the elastic piece (634) is located on one side of the first outer sealing ring (631) and one side of the first inner sealing ring (632) which face the inner wall of the energy dissipation shell (61).
6. The direct current electric push rod based on photovoltaic cell panel support according to claim 5, wherein: the second passive displacement assembly (64) comprises a second outer sealing ring (641) and a second inner sealing ring (642) which are concentrically arranged along the axial direction, and the radial sections of the second outer sealing ring (641) and the second inner sealing ring (642) are I-shaped;
The second outer seal ring (641) and the second inner seal ring (642) are provided with the guide rod (633) and the elastic member (634) symmetrical to the first outer seal ring (631) and the first inner seal ring (632).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202410180138.8A CN117728624B (en) | 2024-02-18 | 2024-02-18 | Direct current electric putter based on photovoltaic cell board supports usefulness |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410180138.8A CN117728624B (en) | 2024-02-18 | 2024-02-18 | Direct current electric putter based on photovoltaic cell board supports usefulness |
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| CN117728624A CN117728624A (en) | 2024-03-19 |
| CN117728624B true CN117728624B (en) | 2024-05-14 |
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