CN219351581U - Photovoltaic system operation and maintenance channel supporting structure and photovoltaic system operation and maintenance channel - Google Patents
Photovoltaic system operation and maintenance channel supporting structure and photovoltaic system operation and maintenance channel Download PDFInfo
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- CN219351581U CN219351581U CN202320722416.9U CN202320722416U CN219351581U CN 219351581 U CN219351581 U CN 219351581U CN 202320722416 U CN202320722416 U CN 202320722416U CN 219351581 U CN219351581 U CN 219351581U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a photovoltaic system operation and maintenance channel supporting structure and a photovoltaic system operation and maintenance channel, wherein the photovoltaic system operation and maintenance channel supporting structure comprises: the first fixing piece is fixedly connected with a support column of the photovoltaic system; the second fixing piece is arranged above the first fixing piece and fixedly connected with the support column and used for supporting a walking channel of the photovoltaic system; the support part comprises two support pieces which are oppositely arranged, one ends of the two support pieces are fixedly connected with the first fixing piece respectively, the other ends of the two support pieces are fixed on a walking channel of the photovoltaic system, the stability of the support structure is good, and the support structure is systemized during the fixed connection, so that the support strength can be ensured; the photovoltaic system operation and maintenance channel comprises a walking channel, the walking channel is fixed on the support column through the support structure, better support performance and safety are achieved, and the photovoltaic system operation and maintenance channel can walk on the walking channel to carry out operation and maintenance work.
Description
Technical Field
The utility model relates to the technical field of photovoltaic system supporting structures, in particular to a photovoltaic system operation and maintenance channel supporting structure and a photovoltaic system operation and maintenance channel.
Background
At present, in a photovoltaic system such as a water photovoltaic system, an operation and maintenance channel is needed to be provided, so that workers can conveniently carry out regular inspection, component cleaning, fault maintenance and other works on the photovoltaic system, in the prior art, the workers generally carry out the operations by means of operation and maintenance ships or floating bridges, the ship body or the bridge body is easy to shake during the operation, so that the maintenance time and the difficulty are increased, the fixed operation and maintenance channel solves the problems, but the existing fixed operation and maintenance channel is usually fixed by directly welding a support steel frame on a body of a base or a pile foundation, in the fixing mode, the welding quality can influence the strength of a support structure by virtue of welding, and thus potential safety hazards exist; or adopt the bolt to connect supporting steel on pile foundation and equipment, but do not have further design to the connected mode of supporting steel, the installation form is more random, has extravagant material's possibility, and mounting structure's stability is not good, and the bearing performance can't satisfy the demand.
In view of the foregoing, there is a need for a photovoltaic system operation and maintenance channel support structure to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the technical problems, the utility model aims to provide a photovoltaic system operation and maintenance channel supporting structure and a photovoltaic system operation and maintenance channel, the supporting structure is stable and has better bearing performance, meanwhile, the welding connection is not needed, the installation process is simplified, the structure is light, the design is standardized, the material consumption is reduced, and the cost is saved.
In order to achieve the above object, the present utility model provides a photovoltaic system operation and maintenance channel support structure, comprising:
the first fixing piece is fixedly connected with a support column of the photovoltaic system;
the second fixing piece is arranged above the first fixing piece and fixedly connected with the support column of the photovoltaic system, and is used for supporting a walking channel of the photovoltaic system;
the support part comprises two support pieces which are oppositely arranged, one ends of the two support pieces are fixedly connected with the first fixing piece respectively, and the other ends of the two support pieces are used for fixing a walking channel of the photovoltaic system.
The support piece is connected to the first fixing piece for enhancing the supporting force, and the second fixing piece is fixed to the support column of the photovoltaic system, so that more space can be provided for connection and fixation of more connecting pieces, multiple supporting effects are achieved, and the structure is more reliable.
In some embodiments, the photovoltaic module further comprises a third fixing piece and a first auxiliary supporting piece, wherein the third fixing piece is arranged between the first fixing piece and the second fixing piece and is fixedly connected with a support column of the photovoltaic system, and two ends of the first auxiliary supporting piece are respectively fixedly connected with the second fixing piece and the third fixing piece.
It should be noted that, the first auxiliary support piece connects second mounting and third mounting simultaneously, can make be difficult to produce deformation because of the bearing between second mounting and the third mounting, has increased the stability of holding power and structure.
In some embodiments, the device further comprises a second auxiliary support, wherein two ends of the second auxiliary support are fixedly connected with the first fixing piece and the third fixing piece respectively.
Wherein, the effect of second auxiliary stay piece is similar to first auxiliary stay piece, utilizes the structure that sets up auxiliary stay between first mounting and third mounting to improve the steadiness and the reliability of whole support.
In some embodiments, at least one side of the first fixing member is provided with two ear plates fixedly connected with the two supporting members, and the two ear plates extend to a direction perpendicular to the length direction of the first fixing member.
The otic placode here provides more spaces for first mounting and connects, makes the connection more firm, can set up some corresponding pilot holes on the otic placode and make the installation more quick and convenient.
In some embodiments, a plurality of rib plates are arranged between the first fixing piece and the lug plate.
The rib plates can improve the stability of the whole structure and play a role in reinforcement.
In some embodiments, the first fixing piece, the second fixing piece and the third fixing piece are respectively C-shaped steel or angle steel and are respectively fixedly connected with the support column of the photovoltaic system through anchor ears.
Wherein utilize staple bolt to fix first mounting, second mounting and third mounting respectively on photovoltaic system's support column, avoided punching on the support column and lead to the structural strength of support column to receive the stability that destroys whole bearing structure and intensity decline, and when adopting the staple bolt to fix, operating personnel also can select the material, the size etc. of staple bolt according to the diameter of support column, user operation of being convenient for more.
In some embodiments, at least one cross bar is disposed between the two supporting members, and two ends of the cross bar are fixedly connected with the two supporting members respectively.
Wherein set up the horizontal pole between two support pieces and connect, can prevent that support piece from buckling, guaranteed the security.
In some embodiments, the support column is a post or pile foundation of the photovoltaic system.
In another aspect of the present utility model, there is also provided a photovoltaic system operation and maintenance channel, including:
the walking channel and the photovoltaic system operation and maintenance channel supporting structure are characterized in that the walking channel is fixedly arranged above the second fixing piece and fixedly connected with the other ends of the two supporting pieces.
The walking channel enables on-site workers to walk on the walking channel for daily operation and maintenance of the photovoltaic system, and the photovoltaic system operation and maintenance channel supporting structure has multiple supporting effects, so that the photovoltaic system operation and maintenance channel supporting structure can have good stability and strength.
In some embodiments, the walking channel comprises a grating plate and supporting plates arranged on two sides of the grating plate, and the grating plate is fixedly connected with the supporting plates.
Wherein grid board surface is difficult to produce ponding or deposition, and personnel are difficult for skidding when walking yet, so need not carry out unnecessary cleanness to the walking passageway, and the security is higher moreover.
In some embodiments, the walking channel further comprises a connecting rope, and two ends of the connecting rope are fixedly connected with adjacent support columns of the photovoltaic system respectively.
The connecting ropes are fixed between the adjacent support columns of each photovoltaic system to provide handrails for workers, so that the safety is improved due to humanization.
Compared with the prior art, the photovoltaic system operation and maintenance channel supporting structure and the photovoltaic system operation and maintenance channel have the following beneficial effects:
1. according to the photovoltaic system operation and maintenance channel supporting structure provided by the utility model, the corresponding supporting pieces and/or the auxiliary supporting pieces are connected to the corresponding fixing pieces, so that the connection is convenient, and the stability and the supporting strength can be improved.
2. According to the photovoltaic system operation and maintenance channel supporting structure, the supporting pieces and the auxiliary supporting pieces are connected to the corresponding components through the bolts, so that uneven welding connection strength of various places caused by welding is avoided, and cracks are generated in the subsequent use process.
3. According to the photovoltaic system operation and maintenance channel supporting structure provided by the utility model, the ear plate and the rib plate are arranged on the first fixing piece, so that the strength of the first fixing piece is improved, the supporting piece can be connected to the ear plate, and a more proper installation position is provided.
4. According to the photovoltaic system operation and maintenance channel provided by the utility model, the support structure is used for fixedly mounting, so that the stability and the safety of the channel are very high, and the channel is paved through the grating plates, so that people walk more safely and are not easy to slip.
Drawings
The above features, technical features, advantages and implementation of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.
FIG. 1 is a schematic diagram of the structure of one embodiment of the present utility model;
FIG. 2 is a schematic view of a first fastener in an embodiment of the present utility model;
FIG. 3 is a partial view of one embodiment of the present utility model;
FIG. 4 is a detail view of another embodiment of the utility model;
FIG. 5 is a schematic diagram of the structure of one embodiment of the present utility model at other viewing angles;
FIG. 6 is a schematic diagram of one embodiment of the present utility model;
FIG. 7 is a partial view of one embodiment of the present utility model;
FIG. 8 is a schematic view of the structure of a travel channel in one embodiment of the utility model;
fig. 9 is an enlarged view of another view of fig. 8.
Reference numerals illustrate:
1. a first fixing member; 11. ear plates; 12. rib plates; 2. a second fixing member; 3. a support part; 31. a support; 32. a cross bar; 41. a first auxiliary support; 42. a second auxiliary support; 5. a third fixing member; 6. a support column; 7. a hoop; 8. a walking channel; 81. a grating plate; 82. a support plate; 9. a connecting rope; 10. and a connecting piece.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In one embodiment, referring to fig. 1 of the specification, the photovoltaic system operation and maintenance channel supporting structure provided by the utility model is described, and the supporting structure provided by the utility model is stable and has better bearing performance, meanwhile, welding connection is not needed, so that the installation process is simplified, the structure is light, the design is standardized, the material consumption is reduced, and the cost is saved.
Referring to fig. 1 to 5 of the specification, the photovoltaic system operation and maintenance channel supporting structure provided by the utility model comprises a first fixing piece 1, a second fixing piece 2 and at least one supporting part 3, wherein the first fixing piece 1 is fixedly connected with a supporting column 6 of the photovoltaic system; the second fixing piece 2 is arranged above the first fixing piece 1, and the second fixing piece 2 is fixedly connected with a support column 6 of the photovoltaic system; the supporting part 3 comprises two supporting pieces 31 which are oppositely arranged, one ends of the two supporting pieces 31 are respectively fixedly connected with the first fixing piece 1, and the other ends of the two supporting pieces are fixed on the walking channel 8 of the photovoltaic system.
Wherein, be connected with support piece 31 on the first mounting 1 and be used for providing holding power, and still second mounting 2 is fixed on photovoltaic system's support column, and to second mounting 2, it is fixed on support column 6, and can be connected with walking passageway 8 simultaneously to improve the supportability, can provide more space and be used for the connection and the fixed of more connecting pieces, played multiple supporting role for the structure is more reliable.
It should be noted that, when the number of the supporting portions 3 on both sides of the first fixing member 1 is uneven, for example, two supporting portions 3 on one side of the first fixing member 1 and one supporting portion 3 on the other side are provided, the supporting force of the walking path 8 may be distributed improperly, so that the walking path 8 may deviate to the side with weak supporting force, so that the supporting portions 3 are symmetrically arranged in general, so that the supportability and stability are higher, the number of the supporting portions 3 may be one in some special cases, and corresponding teaching will be performed in the following embodiments.
In one embodiment, referring to fig. 3 and 4 of the drawings, the support structure further includes a third fixing member 5 and a first auxiliary supporting member 41, where the third fixing member 5 is disposed between the first fixing member 1 and the second fixing member 2 and fixedly connected to the support column 6 of the photovoltaic system, and two ends of the first auxiliary supporting member 41 are fixedly connected to the second fixing member 2 and the third fixing member 5, respectively.
It should be noted that, the first auxiliary supporting member 41 connects the second fixing member 2 and the third fixing member 5 at the same time, so that the second fixing member 2 and the third fixing member 5 are not easy to deform due to load bearing, and the supporting force and the structural stability are increased.
In one embodiment, referring to fig. 5 of the specification, the support structure further includes a second auxiliary support member 42, and both ends of the second auxiliary support member 42 are fixedly connected to the first fixing member 1 and the third fixing member 5, respectively.
Wherein the second auxiliary support 42 functions similarly to the first auxiliary support 41, and the stability and reliability of the overall support are improved by the structure in which the auxiliary support is provided between the first fixing member 1 and the third fixing member 5.
On the basis of the above embodiment, the operator may specifically calculate and determine the lengths of the first auxiliary supporting member 41 and the second auxiliary supporting member 42 in advance according to the setting positions of the first fixing member 1, the second fixing member 2 and the third fixing member 5, so as to prepare auxiliary supporting members with appropriate lengths, fix the first fixing member 1, the second fixing member 2 and the third fixing member 5, and fix the first auxiliary supporting member 41 and the second auxiliary supporting member 42 to the two ends of the corresponding fixing members respectively by using connecting members such as bolts, so that the first auxiliary supporting member 41 and the second auxiliary supporting member 42 are fixed by bolts, and welding is generally selected to avoid open flame hidden danger and overcome strength deficiency caused by welding quality.
Specifically, two supporting parts 3, a first auxiliary supporting piece 41 and a second auxiliary supporting piece 42 can be arranged, the two supporting parts 3 are respectively connected with the walking channel 8 and are in a supporting mode similar to a triangle, and the first auxiliary supporting piece 41 and the second auxiliary supporting piece 42 are respectively fixedly connected with the supporting columns to play an auxiliary supporting role, so that the overall supporting effect is improved.
In one embodiment, referring to fig. 2 of the specification, at least one side of the first fixing member 1 is provided with two ear plates 11 fixedly connected to the two supporting members 31, respectively, and the two ear plates 11 extend in a direction perpendicular to the length direction of the first fixing member 1.
The ear plate 11 provides more space for the first fixing member 1 to connect, so that the connection is more stable, and corresponding assembly holes can be formed in the ear plate 11, so that the installation is faster and more convenient.
The ear plates 11 are symmetrically distributed on two sides of the first fixing member 1 in the drawing, and can be arranged on the first fixing member 1 singly or on one side according to different factors such as the size, the weight and the supporting requirements of different parts of the specific walking channel 8, for example, when the length of the walking channel 8 is longer, the supporting parts 3 are respectively arranged below the end parts of the walking channel 8, and only one side of the first fixing member 3 is provided with the ear plates 11.
In one embodiment, a plurality of rib plates 12 are arranged between the first fixing piece 1 and the ear plate 11.
Referring to fig. 2 of the specification, the rib plate 12 can improve the overall stability of the first fixing piece 1 and the supporting structure, has a reinforcing effect, is not easy to deform, is simple to process, and has high practicability.
In one embodiment, the first fixing member 1, the second fixing member 2 and the third fixing member 5 are respectively C-shaped steel or angle steel, and are respectively fixedly connected with the support column 6 of the photovoltaic system through anchor ear 7.
The staple bolt 7 is utilized here to fix first mounting 1, second mounting 2 and third mounting 5 respectively on photovoltaic system's support column 6, avoided punching on support column 6 and lead to the structural strength of support column 6 to receive the stability that destroys whole bearing structure and intensity decline, and when adopting staple bolt 7 to fix, operating personnel also can select staple bolt 7's material, size etc. according to the diameter of support column 6, user operation of being convenient for more.
The C-shaped steel or the angle steel is convenient to purchase, and meanwhile, the strength and the rigidity are excellent, so that the steel is suitable for more scenes, is not limited greatly, and has good practicability.
In addition, the installation holes can be formed in the corresponding fixing parts by operators, a plurality of installation holes can be formed in the installation holes, the auxiliary supporting parts are connected to the adjacent fixing parts through the installation holes, the auxiliary supporting parts and the number of the fixing parts are increased or reduced according to specific conditions, the installation holes are flexible to use, and the situation that after a certain installation hole is worn or corroded by some external substances, the connection between the auxiliary supporting parts and the auxiliary supporting parts is not tight enough, but no other installation holes are used for replacement can be avoided.
In one embodiment, referring to fig. 1 of the specification, at least one cross bar 32 is disposed between two supporting members 31, and two ends of the cross bar 32 are fixedly connected to the two supporting members 31 respectively.
Wherein set up the horizontal pole 32 between two support pieces 31 and connect, can prevent that support piece 31 from taking place to buckle, guaranteed the security, the quantity of horizontal pole 32 is indefinite, can set for according to specific application scenario and bearing demand, can guarantee the stability of walking passageway 8.
In the above embodiment, the preferred connection mode is bolt connection, if the number of the supporting pieces and the auxiliary supporting pieces is required to be adjusted or the new supporting pieces are required to be replaced, an operator can directly detach the bolts and then perform corresponding dismounting work, so that the dismounting process is easier and more convenient, and the workload of personnel is reduced.
In one embodiment, referring to fig. 6 of the specification, according to another aspect of the present utility model, the present utility model further provides a photovoltaic system operation and maintenance channel, including: the walking channel and the plurality of photovoltaic system operation and maintenance channel support structures are the walking channel 8, and the walking channel is fixedly arranged above the second fixing piece 5 and fixedly connected with the other ends of the two support pieces 31.
The walking channel enables on-site staff to walk on the walking channel to perform daily operation and maintenance of the photovoltaic system, and the photovoltaic system operation and maintenance channel supporting structure has multiple supporting effects, so that stability and strength of the operation and maintenance channel can be well improved.
Because the space of the drawings is limited, only a part of the drawings is selected, in fact, the operation and maintenance channel of the photovoltaic system can comprise structures in a plurality of drawings and can be arranged in various arrangements such as a linear type, a ring type or a certain array.
In one embodiment, the number of the supporting parts 3 in the supporting structure of the operation and maintenance channel of the photovoltaic system is one, referring to fig. 7 of the specification, the supporting parts 3 are arranged on one side of the first fixing member 1 due to the particularity of the end of the walking channel, meanwhile, the end of the walking channel is also fixed on the supporting column 6 through the second fixing member 2, and the first auxiliary supporting member 41 and the second auxiliary supporting member 42 are fixed on the corresponding fixing members to ensure firmness.
The support columns 6 are generally upright columns or pile foundations of the photovoltaic system.
In one embodiment, referring to fig. 8 of the drawings, the walking path includes a grating plate 81 and support plates 82 provided at both sides of the grating plate 81, and the grating plate 81 is fixedly coupled to the support plates 82.
The special grid structure of the grid plate 81 ensures that water accumulation or ash accumulation is not easy to occur on the surface, and personnel are not easy to slip during walking, so that redundant cleaning of a walking channel is not needed, and the safety is higher; the support plate 82 is used to connect the support portion 3 described above and to fixedly support the grating plate 81.
The support plate 82 can be preferably C-shaped steel, has excellent strength, can be connected with various accessories, and has relatively high compatibility.
In one embodiment, referring to fig. 9 of the specification, the grid plate 81 is provided with the connecting member 10, the connecting member 10 is located at the grid of the grid plate 81 and the connecting member 10 is provided with a buckle, so that the side wall of the grid is clamped in the buckle, and the bolt passes through the connecting member 10 to be fixedly connected with the supporting plate 82, thereby fixing the grid plate 81 and the supporting plate 82.
Among them, the grid plate 81 preferably selects a plastic member, and can reduce the weight of the operation and maintenance channel while providing a support channel.
In one embodiment, the walking channel further comprises a connecting rope 9, and two ends of the connecting rope 9 are fixedly connected with adjacent support columns 6 of the photovoltaic system respectively.
The connecting ropes 9 are fixed between the adjacent support columns 6 of each photovoltaic system to provide handrails for workers, so that the safety is improved due to humanization.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (11)
1. A photovoltaic system operation and maintenance channel support structure, comprising:
the first fixing piece is fixedly connected with a support column of the photovoltaic system;
the second fixing piece is arranged above the first fixing piece and fixedly connected with the support column and used for supporting a walking channel of the photovoltaic system;
the photovoltaic system comprises at least one supporting part, wherein the supporting part comprises two supporting pieces which are oppositely arranged, one ends of the two supporting pieces are fixedly connected with the first fixing piece respectively, and the other ends of the two supporting pieces are used for fixing a walking channel of the photovoltaic system.
2. The photovoltaic system operation and maintenance channel supporting structure according to claim 1, further comprising a third fixing member and a first auxiliary supporting member, wherein the third fixing member is arranged between the first fixing member and the second fixing member and is fixedly connected with the supporting column, and two ends of the first auxiliary supporting member are respectively fixedly connected with the second fixing member and the third fixing member.
3. The photovoltaic system operation and maintenance channel supporting structure according to claim 2, further comprising a second auxiliary supporting member, wherein two ends of the second auxiliary supporting member are fixedly connected with the first fixing member and the third fixing member respectively.
4. The photovoltaic system operation and maintenance channel supporting structure according to claim 1, wherein at least one side of the first fixing member is provided with two ear plates fixedly connected with the two supporting members respectively, and the two ear plates extend in a direction perpendicular to the length direction of the first fixing member.
5. The photovoltaic system operation and maintenance channel supporting structure according to claim 4, wherein a plurality of rib plates are arranged between the first fixing piece and the ear plate.
6. The photovoltaic system operation and maintenance channel supporting structure according to claim 2, wherein the first fixing piece, the second fixing piece and the third fixing piece are respectively C-shaped steel or angle steel and are respectively fixedly connected with the supporting column through anchor clamps.
7. The photovoltaic system operation and maintenance channel supporting structure according to claim 1, wherein at least one cross rod is arranged between the two supporting pieces, and two ends of the cross rod are fixedly connected with the two supporting pieces respectively.
8. The photovoltaic system operation and maintenance channel support structure of claim 7, wherein the support column is a column or pile foundation of the photovoltaic system.
9. A photovoltaic system operation and maintenance channel, comprising:
the walking path is provided with a walking path,
a photovoltaic system operation and maintenance channel support structure as set forth in any one of claims 1-8,
the walking channel is fixedly arranged above the second fixing piece and fixedly connected with the other ends of the two supporting pieces.
10. The photovoltaic system operation and maintenance channel according to claim 9, wherein the walking channel comprises a grating plate and support plates arranged on two sides of the grating plate, and the grating plate is fixedly connected with the support plates.
11. The photovoltaic system operation and maintenance channel of claim 9, wherein the walking channel further comprises a connecting rope, and two ends of the connecting rope are fixedly connected with adjacent support columns respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320722416.9U CN219351581U (en) | 2023-04-04 | 2023-04-04 | Photovoltaic system operation and maintenance channel supporting structure and photovoltaic system operation and maintenance channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320722416.9U CN219351581U (en) | 2023-04-04 | 2023-04-04 | Photovoltaic system operation and maintenance channel supporting structure and photovoltaic system operation and maintenance channel |
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| CN219351581U true CN219351581U (en) | 2023-07-14 |
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| CN202320722416.9U Active CN219351581U (en) | 2023-04-04 | 2023-04-04 | Photovoltaic system operation and maintenance channel supporting structure and photovoltaic system operation and maintenance channel |
Country Status (1)
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| CN (1) | CN219351581U (en) |
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