Modularly-assembled truss-type photovoltaic support

Abstract

The utility model discloses a modularized assembly truss type photovoltaic support, which belongs to the technical field of photovoltaic supports and comprises a plurality of standard module units connected end to end, each standard module unit comprises an upper chord member, a lower chord member, three straight web members and three diagonal web members, the upper ends and the lower ends of the three straight web members are correspondingly and vertically connected with the two chord members, and the diagonal web members are vertically connected with the upper chord members and the lower chord members. The upper ends and the lower ends of the three diagonal web members are correspondingly connected with the two chord members in an inclined mode, and joints of the straight web members and the diagonal web members and the chord members are fixed through connecting pieces and bolts. The truss type photovoltaic support is formed by splicing the standard module units, the splicing mode is simple during on-site assembly, high-altitude construction of workers is convenient and fast, the construction efficiency is improved, and the occurrence probability of safety accidents is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to photovoltaic technical field, concretely relates to photovoltaic support. BACKGROUND

[0002] The prior art has disclosed the photovoltaic support of setting truss structure, usually used in large span scene, for example, across the roof. The required components of steel truss are all on-site cutting processing, and the workload is large, and the manual cutting precision is low. The welding connection is adopted between each component of steel truss, and the welding process is complex, and the welding quality is uneven, and there is certain structural safety hazard. When the worker constructs, it is mostly high-altitude welding operation, and the welding operation duration is long, and safety accident is prone to occur. At present, the prior art also has the truss structure of adopting screw assembly, and the screw and connecting piece are used to connect between chord and web member, but since the whole does not carry out modular design, the connecting piece is not standardized, and an connecting piece needs to be added between any two rods, so that the number of connecting pieces is more, and the assembly is complex, and the efficiency is low. CONTENT OF UTILITY MODEL

[0003] In view of the problems existing in the prior art, the utility model provides a truss type photovoltaic support of modular assembly, adopts the mode of module assembly, and solves the problems that the assembly type truss in the prior art is not modularized, the connecting piece is not standardized, and the assembly is complex and the efficiency is low.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a truss type photovoltaic support of modular assembly, comprising a plurality of standard module units connected in head-to-tail, the standard module unit comprises two upper and lower chord, three straight web members and three inclined web members, wherein the upper and lower ends of the three straight web members are connected with the two chords perpendicularly, the upper and lower ends of the three inclined web members are connected with the two chords obliquely, and the connecting piece and bolt are used to fix the connecting nodes of the straight web member and the inclined web member with the chord.

[0005] Preferably, the standard module unit is provided with six pairs of connecting pieces, including a pair of connecting piece one, two pairs of connecting piece two and three pairs of connecting piece three, wherein,

[0006] The connecting piece one is located at the middle position of the lower chord, and is used to connect the lower chord, the second straight web member and the first and second inclined web members;

[0007] The first pair of connecting piece two is located at the first end of the upper chord, and is used to connect the upper chord, the first straight web member, the first inclined web member and the third inclined web member of the standard module unit connected; the second connecting piece two is located at the middle position of the upper chord, and is used to connect the upper chord, the third straight web member and the second and third inclined web members;

[0008] The first pair of connecting pieces three are located at the middle position of the upper chord and are arranged between the two connecting pieces two, and are used for connecting the upper chord and the second diagonal web member; the second pair of connecting pieces three are located at the first end of the lower chord, and are used for connecting the lower chord, the first straight web member and the lower chord of the adjacent standard module unit; and the third pair of connecting pieces three are located at the middle position of the lower chord and are arranged on the second side of the connecting piece one, and are used for connecting the lower chord and the third straight web member.

[0009] Preferably, the connecting piece one comprises a lower horizontal section, a lower intermediate vertical section connected with the middle position of the lower horizontal section and vertically extending upward, and lower side inclined sections arranged on both sides of the lower intermediate vertical section and respectively extending upward and to both sides, and the lower horizontal section, the lower intermediate vertical section and the lower side inclined sections are provided with bolt holes connected with bolts.

[0010] Preferably, the connecting piece two comprises an upper horizontal section, an upper intermediate vertical section connected with the middle position of the upper horizontal section and vertically extending downward, and upper side inclined sections arranged on both sides of the upper intermediate vertical section and respectively extending downward and to both sides, and the upper horizontal section, the upper intermediate vertical section and the upper side inclined sections are provided with bolt holes connected with bolts.

[0011] Preferably, the connecting piece three comprises a longitudinal section and an intermediate section which are vertically connected, and the longitudinal section and the intermediate section are provided with bolt holes connected with bolts.

[0012] Preferably, the chord is a rectangular tube, and the straight web member and the diagonal web member are square tubes.

[0013] Preferably, the connecting piece is composed of a channel steel which is welded.

[0014] Preferably, the upper and lower side structures of two adjacent standard module units are transposed.

[0015] Preferably, a plurality of standard module units which are connected in a head-to-tail mode are arranged in an inclined mode.

[0016] Preferably, the truss type photovoltaic support further comprises a non-standard module unit connected with the standard module unit.

[0017] The truss type photovoltaic support has the following beneficial effects by adopting the above technical scheme:

[0018] 1. The truss type photovoltaic support adopts modular design and is composed of a plurality of standard module units which are connected in a head-to-tail mode, wherein the standard module units can be assembled in a factory, and only need to be assembled at a construction site, that is, a plurality of standard module units which are connected in a head-to-tail mode are spliced and assembled by using connecting pieces and bolts, thereby reducing the workload at the construction site.

[0019] The components of the single standard module unit are also standardized, and are fixed by using connectors and bolts at the joint nodes, and each component of the standard module unit can be mechanically batch-processed in a factory according to the size of the photovoltaic module, so that the processing precision and efficiency are improved, and the components are connected by using connectors and bolts, so that the connection mode is simple, and the structure is safe and reliable.

[0020] In addition, when assembled on site, the splicing mode is simple, the worker's high-altitude construction is convenient, the construction efficiency is improved, and the probability of safety accidents is reduced.

[0021] The components of the steel truss can be combined into a module unit matched with the photovoltaic module, the module unit can be freely combined according to the number of the photovoltaic module, and the span of the truss is increased.

[0022] 2. The standard module unit is provided with six pairs of connectors, including one pair of connector one, two pairs of connector two and three pairs of connector three, different connectors are designed in corresponding shapes according to their positions and the connected bars, one pair of connector can connect two components or three components, four components, the number of connectors is reduced, so that the assembly is facilitated, and a stable and reliable connection node is formed.

[0023] 3. Since the upper chord and the lower chord are rectangular tubes, and the straight web and the inclined web are square tubes, all of which are standard steel tubes cut into pieces, the cost can be reduced, in addition, the connector is composed of a channel steel, the upper chord, the lower chord, the straight web and the inclined web can be embedded in the U-shaped groove of the channel steel, and then fixed by bolts, which is convenient for assembly and reliable.

[0024] 4. The upper and lower side structures of two connected standard module units are transposed, so that the second ends of the upper and lower chords and the lower end of the third inclined web of the first standard module unit can be adapted to the connector two and the connector three of the first end of the second standard module unit.

[0025] 5. A plurality of standard module units are arranged in a tilted manner, so that they can be installed on a sloping roof and form a tilt angle consistent with the sloping roof, so that the photovoltaic modules installed thereon correspondingly form a tilt angle.

[0026] 6. According to actual needs, a non-standard module unit can be connected with a standard module unit, for example, the length of the truss type photovoltaic support at both ends, so as to facilitate the installation of both ends.

[0027] These features and advantages of the utility model will be disclosed in detail in the following specific embodiments and drawings.

DRAWINGS

[0028] The utility model will be further described below in combination with the drawings:

[0029] Figure 1 Fig. 1 is a structural schematic diagram of a modular assembled truss type photovoltaic support according to the present application;

[0030] Figure 2 Fig. 2 is a structural schematic diagram of a standard module unit;

[0031] Figure 3 Fig. 3 is a structural schematic diagram of a connecting piece one;

[0032] Figure 4 Fig. 4 is a structural schematic diagram of a connecting piece two;

[0033] Figure 5 Fig. 5 is a structural schematic diagram of a connecting piece three;

[0034] The figure marks: standard module unit 1, chord 11, straight web 12, inclined web 13, connecting piece one 14, lower horizontal section 141, lower middle vertical section 142, lower side inclined section 143, connecting piece two 15, upper horizontal section 151, upper middle vertical section 152, upper side inclined section 153, connecting piece three 16, longitudinal section 161, middle section 162, bolt 17, non-standard module unit 2, photovoltaic module 3.

DETAILED DESCRIPTION

[0035] The technical solutions of the embodiments of the present application will be explained and described below in combination with the drawings of the embodiments of the present application. However, the following embodiments are only preferred embodiments of the present application, and are not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0036] Those skilled in the art can understand that the features in the following embodiments and embodiments can be combined with each other without conflict.

[0037] The terms used in the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. For example, the words indicating the orientation or position relationship such as "upper", "lower", "longitudinal", "transverse" and the like in the following description are only based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the present application.

[0038] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them.Moreover, first feature is in second feature "on", "above" and "upper surface" includes that first feature is in second feature directly above and obliquely above, or only indicates that first feature horizontal height is higher than second feature.First feature is in second feature "under", "below" and "lower surface" includes that first feature is in second feature directly below and obliquely below, or only indicates that first feature horizontal height is less than second feature.

[0039] Furthermore, the terms "first", "second", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an indicated number of technical features. Thus, features defined with "first", "second" can explicitly or implicitly include at least one of the features.

[0040] Referring to Figures 1 to 5 As shown in the figure, a modular assembled truss photovoltaic support includes several standard module units 1 connected end to end, that is, two adjacent standard module units 1, one of which is connected at the head end to the other at the tail end, the standard module unit 1 including two chord bars 11, three straight web bars 12 and three inclined web bars 13. For the mutual positional relationship and connection structure between the chord bars, straight web bars and inclined web bars, please refer to the prior art, wherein the upper and lower ends of the three straight web bars are connected perpendicularly to the two chord bars, the upper and lower ends of the three inclined web bars are connected obliquely to the two chord bars, and the connection nodes of the straight web bars and inclined web bars and the chord bars are fixed by connecting pieces and bolts 17.

[0041] In combination with the figure, along the longitudinal direction of the truss photovoltaic support, from the first end to the second end, for the three straight web bars, hereinafter referred to as the first straight web bar, the second straight web bar and the third straight web bar in sequence, the lengths of the three straight web bars are the same; and for the three inclined web bars, referred to as the first inclined web bar, the second inclined web bar and the third inclined web bar in sequence, and the length of the third inclined web bar is greater than the lengths of the first inclined web bar and the second inclined web bar, and the lengths of the first inclined web bar and the second inclined web bar are equal.

[0042] In this embodiment, the standard module unit 1 is provided with six pairs of connecting pieces, including one pair of connecting piece one 14, two pairs of connecting piece two 15 and three pairs of connecting piece three 16. Among them:

[0043] This pair of connecting piece one is located at the middle position of the lower chord bar length, used for connecting the lower chord bar, the second straight web bar and the first and second inclined web bars;

[0044] The first pair of connecting pieces two are located at the first end of the upper chord length, and are used for connecting the upper chord, the first straight web, the first inclined web and the third inclined web of the standard module unit connected therewith;

[0045] The first pair of connecting pieces three are located at the middle position of the upper chord and are arranged between the two connecting pieces two, and are used for connecting the upper chord and the second inclined web; the second pair of connecting pieces three are located at the first end of the lower chord length, and are used for connecting the lower chord, the first straight web and the lower chord of the standard module unit connected therewith; and the third pair of connecting pieces three are located at the middle position of the lower chord length and are arranged on the second side of the connecting piece one, and are used for connecting the lower chord and the third straight web.

[0046] The truss type photovoltaic support of the utility model adopts modular design, is composed of a plurality of standard module units connected in head-to-tail, wherein the standard module unit can be assembled in the factory, and only needs to be assembled in the construction site, that is, a plurality of standard module units connected in head-to-tail are spliced and assembled by connecting pieces and bolts, thereby reducing the workload of the construction site.

[0047] The components of the single standard module unit are also standardized, and are fixed by connecting pieces and bolts at the connected nodes.

[0048] In addition, the splicing mode is simple during on-site assembly, the worker is convenient for high-altitude construction, the construction efficiency is improved, and the probability of safety accidents is reduced.

[0049] The components of the steel truss can be combined into the module unit matched with the photovoltaic module, the module unit can be freely combined according to the number of photovoltaic modules, and the span of the truss is increased.

[0050] It can be understood that the structure of the above connecting piece is designed according to the connection relationship with the related components. Specifically, the connecting piece one 14 includes a lower horizontal section 141, a lower intermediate vertical section 142 connected with the intermediate part of the lower horizontal section and vertically extending upward, and a lower side inclined section 143 provided on both sides of the lower intermediate vertical section and respectively extending obliquely upward on both sides. The lower horizontal section, the lower intermediate vertical section, and the lower side inclined section are provided with bolt holes connected with the bolts 17. The lower horizontal section 141 is connected with the lower chord, the lower intermediate vertical section 142 is connected with the lower end of the first straight web, and the two lower side inclined sections 143 are respectively connected with the lower ends of the first and second inclined webs. The connecting piece two 15 includes an upper horizontal section 151, an upper intermediate vertical section 152 connected with the intermediate part of the upper horizontal section and vertically extending downward, and an upper side inclined section 153 provided on both sides of the upper intermediate vertical section and respectively extending obliquely downward on both sides. The upper horizontal section, the upper intermediate vertical section, and the upper side inclined section are provided with bolt holes connected with the bolts 17. The upper horizontal section 151 is connected with the upper chord, the upper intermediate vertical section 152 is connected with the upper end of the straight web, and the upper side inclined section 153 is connected with the upper end of the inclined web. The connecting piece three 16 includes a vertical connecting longitudinal section 161 and an intermediate section 162, and the longitudinal section and the intermediate section are provided with bolt holes connected with the bolts 17. The longitudinal section 161 is connected with the upper and lower chords, and the intermediate section 162 is connected with the end of the straight web. Here, at least two bolt holes are required to be provided for connection with each rod, for example, two bolt holes are provided for connection with the straight web and the inclined web, and four bolt holes are provided for connection with the upper and lower chords to ensure reliable fixation.

[0051] Wherein, the upper chord and the lower chord are rectangular tubes, and the straight web and the inclined web are square tubes. Both are standard steel tubes cut into pieces, which can reduce costs. In addition, the connecting piece is composed of channel steel welded together, which has a U-shaped groove. The chord, the straight web, and the inclined web can all form a fit with the U-shaped groove of the channel steel, and then be fixed by bolts, which is convenient for assembly and reliable fixation. Moreover, the above connecting pieces are arranged in pairs, and each pair of connecting pieces is located on the opposite sides of the rod, and the mouths of the U-shaped grooves are arranged face to face.

[0052] For the above standard module unit, the upper and lower side structures of two adjacent standard module units are transposed. In this way, in the two adjacent standard module units 1, the second ends of the upper and lower chords and the lower end of the third inclined web of the first standard module unit can form an adaptation with the connecting piece two and the connecting piece three of the first end of the second standard module unit.

[0053] As shown in Figure 1 A plurality of standard module units 1 are arranged in series and inclined. In this way, they can be installed on a sloping roof to form an inclination angle consistent with the sloping roof, and the photovoltaic modules 3 installed thereon correspondingly form an inclination angle.

[0054] Further, the truss type photovoltaic support further comprises a non-standard module unit 2 connected with the standard module unit. The non-standard module unit 2 refers to a single unit with a structure different from the standard module unit. According to actual needs, the non-standard module unit can be connected with the standard module unit, for example, at both ends of the truss type photovoltaic support, to facilitate installation at both ends.

[0055] It can be understood that the sizes of the components of the standard module unit 1 can be changed. In one embodiment, the length of each standard module unit 1 is 2471 mm, the length of the chord is 2461 mm, the length of the straight web is 636 mm, the length of the first and second inclined webs is 894 mm, and the length of the third inclined web is 1051 mm. Although the structures of the connecting piece one and the connecting piece two are similar, the sizes are different. The corresponding components are provided with bolt holes connected with bolts, and the positions and numbers of the bolt holes are set according to the connection needs.

[0056] In this embodiment, the assembly method of the standard module unit 1 and the corresponding modular assembled truss type photovoltaic support is as follows:

[0057] 1) Place the upper and lower chords in the corresponding U-shaped grooves of the connecting pieces, use bolts to pass through the bolt holes of the upper and lower chords and the connecting pieces, and temporarily assemble the connecting pieces with the upper and lower chords for subsequent processes and fixation;

[0058] 2) Install the first straight web, the first inclined web, the second straight web, the second inclined web, the third straight web, and the third inclined web in sequence from left to right. The straight webs and the inclined webs are provided with bolt holes at both ends, and the bolt holes correspond to the connecting piece one, the connecting piece two, and the connecting piece three one by one;

[0059] 3) Place the straight webs and the inclined webs in the corresponding U-shaped grooves of the connecting pieces, use bolts to pass through the corresponding bolt holes of the straight webs, the inclined webs, and the connecting piece one, the connecting piece two, and the connecting piece three, and temporarily assemble the straight webs and the inclined webs with the connecting pieces for subsequent processes and fixation;

[0060] 4) Install another corresponding connecting piece at the corresponding positions of the connecting piece one, the connecting piece two, and the connecting piece three, so that the upper and lower chords and the straight webs and the inclined webs are located in the U-shaped grooves of the connecting pieces, and then tighten the nuts on the bolts to complete the assembly of the entire standard module unit.

[0061] 5) Connect the bolt holes on one standard module unit with the connecting pieces of another standard module unit with bolts, so as to realize the combination and splicing of the standard module units.

[0062] The above descriptions are only specific embodiments of the utility model, and the protection scope of the utility model is not limited to this, and the skilled in the art should understand that the utility model includes but is not limited to the content described in the drawings and the above specific embodiments.Any modification not deviating from the function and structural principle of the utility model will be included in the scope of claims.

Claims

1. A modular assembled truss photovoltaic support, characterized in that: The invention comprises a plurality of standard module units connected end to end, wherein the standard module units include two upper and lower chords, three straight webs and three diagonal webs, wherein the upper and lower ends of the three straight webs are perpendicularly connected to the two chords, and the upper and lower ends of the three diagonal webs are obliquely connected to the two chords, and the straight webs and the diagonal webs are fixed at the connection nodes with the chords with connectors and bolts.

2. A modular assembled truss-type photovoltaic support according to claim 1, characterized in that: The standard module unit is provided with six pairs of connectors, including one pair of connectors 1, two pairs of connectors 2 and three pairs of connectors 3, wherein: The first connector is located in the middle of the length of the lower chord and is used to connect the lower chord, the second straight web member and the first and second diagonal web members; The first pair of connectors 2 is located at the first end of the upper chord length, and is used to connect the upper chord, the first straight web and the first diagonal web, as well as the third diagonal web of the connected standard module unit; the second connector 2 is located in the middle of the upper chord length, and is used to connect the upper chord, the third straight web and the second and third diagonal webs; the first pair of connectors 3 is located in the middle of the upper chord and is arranged between the two connectors 2, and is used to connect the upper chord and the second diagonal web; the second pair of connectors 3 is located at the first end of the lower chord length, and is used to connect the lower chord, the first straight web and the lower chord of the connected standard module unit; the third pair of connectors 3 is located in the middle of the lower chord length and is arranged on the second side of connector 1, and is used to connect the lower chord and the third straight web.

3. The modularly assembled truss photovoltaic support according to claim 2, characterized in that: The connecting member 1 includes a lower horizontal section, a lower middle vertical section connected to the middle part of the lower horizontal section and extending vertically upward, and lower oblique sections arranged on both sides of the lower middle vertical section and extending obliquely upward to both sides respectively. Bolt holes connected to bolts are provided on the lower horizontal section, the lower middle vertical section and the lower oblique section.

4. The modular assembled truss photovoltaic support according to claim 2, characterized in that: The second connecting member includes an upper horizontal section, an upper middle vertical section connected to the middle part of the upper horizontal section and extending vertically downward, and upper side oblique sections arranged on both sides of the upper middle vertical section and extending obliquely downward to both sides respectively. Bolt holes for connection with bolts are provided on the upper horizontal section, the upper middle vertical section and the upper side oblique sections.

5. The modular assembled truss photovoltaic support according to claim 2, characterized in that: The third connecting member includes a vertically connected longitudinal section and a middle section, and the longitudinal section and the middle section are provided with bolt holes connected with bolts.

6. The modular assembled truss photovoltaic support according to claim 1, characterized in that: The chord is a rectangular tube, and the straight web and the diagonal web are square tubes.

7. The modularly assembled truss photovoltaic support according to claim 6, characterized in that: The connecting piece is formed by welding channel steel.

8. The modular assembled truss photovoltaic support according to claim 1, characterized in that: The upper and lower side structures of two connected standard module units are swapped.

9. The modular assembled truss photovoltaic support according to claim 1, characterized in that: Several standard modular units connected end to end are arranged at an angle.

10. The modular assembled truss photovoltaic support according to claim 1, characterized in that: The truss-type photovoltaic support further includes a non-standard module unit connected to the standard module unit.

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