Mechanized installation process for fixing photovoltaic support structure assembly unit

Abstract

The invention belongs to the technical field of photovoltaic construction, and discloses a mechanical installation process for fixing a photovoltaic support structure assembly unit. The support columns, the oblique beams, the inclined struts and the purlin supports are mounted on the photovoltaic support foundation to form a support system for mounting the assembly units, the photovoltaic assemblies and the purlins are fixedly connected to form the assembly units, the assembly units are conveyed to a target mounting site, and the purlins and the purlin supports are fixedly connected, so that the assembly units are fixed on the oblique beams of the support. And repeating the steps until assembly unit installation of one photovoltaic string is completed. According to the invention, the mechanical installation of the photovoltaic support purline and the photovoltaic module is realized, the number of constructors is greatly reduced, and the installation efficiency and the installation quality of the photovoltaic support purline and the photovoltaic module are greatly improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of photovoltaic construction, and in particular relates to a mechanized installation process for fixing a photovoltaic support structure component unit. Background Art

[0002] In recent years, with the continuous strengthening of human awareness of environmental protection and the continuous increase in energy demand, the scale of photovoltaic power generation construction has continued to expand. One of the main tasks of photovoltaic power generation construction is the installation of photovoltaic brackets and photovoltaic modules. At present, the installation of photovoltaic brackets and photovoltaic modules still adopts the traditional manual installation method. A photovoltaic module can weigh up to about 40kg, which requires a lot of manpower to carry and install, resulting in low installation efficiency and difficult to ensure installation quality.

[0003] Traditional photovoltaic bracket and photovoltaic module installation and construction methods have human resources and construction efficiency that cannot meet the "short, frequent and fast" requirements of new energy project construction, so intelligent and mechanized construction will be an inevitable trend. At present, although there have been explorations and research in this area at home and abroad, there are few applications in engineering practice and they are not yet mature. Therefore, it is of great practical significance to study a process for mechanized installation of photovoltaic brackets and modules, which has a good driving effect on leading my country's intelligent and mechanized construction in the field of photovoltaic project construction. Summary of the invention

[0004] The purpose of the present invention is to provide a mechanized installation process for fixing photovoltaic support structure component units, which can greatly improve the installation efficiency and quality of photovoltaic components.

[0005] The technical solution adopted by the present invention is a mechanized installation process for fixing photovoltaic support structure component units, comprising the following steps: S1. Complete the construction of photovoltaic support foundation, support columns and support inclined beams; S2, installing purlin supports on the inclined beams of the support; S3, install the bracket diagonal brace; S4, fixing and connecting a plurality of photovoltaic modules to the purlins to form a module unit; S5, transporting the component unit to the target installation site; S6, fixing and connecting the purlin and the purlin support, so that the component unit is fixed on the bracket oblique beam; S7. Repeat steps S4 to S6 until the installation of a photovoltaic string module unit is completed.

[0006] Furthermore, the step S1 specifically includes the following steps: Complete the photovoltaic support foundation construction according to the design requirements of the fixed photovoltaic support structure; Install the support columns on the top embedded parts of the photovoltaic support foundation by welding or bolting. The spacing, top elevation and straightness of each support column must meet the design requirements; Install the support diagonal beam on the support column, control the inclination and flatness of the support diagonal beam to meet the requirements, and install the purlin support on the support diagonal beam.

[0007] Furthermore, the step S4 specifically includes the following steps: The component unit assembly platform is in place, and the positioning device for fixing the purlin on the component unit assembly platform is adjusted; Placing and fixing the purlins on the component unit assembly platform; Several photovoltaic modules are fixedly connected to the purlins to form a module unit.

[0008] Furthermore, in step S4, the module units are divided according to the number of rows and columns of photovoltaic modules designed to be installed between two support columns, including edge module units and middle module units.

[0009] Furthermore, the component unit assembly platform includes a structural body, an adjustable positioning device and a lifting device arranged on the structural body, and a walking mechanism arranged at the bottom of the structural body.

[0010] Furthermore, in the step S5, a lifting vehicle is used to transport the component unit to a target installation site.

[0011] Furthermore, the step S6 specifically includes the following steps: After the lifting vehicle adjusts the installation angle and installation position of the component unit, the staff will fix the purlin and the purlin support to connect the component unit to the support inclined beam.

[0012] Furthermore, the tilt range of the top bracket of the lifting vehicle is 0°~40°, and it can be leveled in the east-west direction on the ground with a slope of less than 10%.

[0013] Furthermore, the purlin of the component unit is provided with a mounting hole, and the purlin is fixedly connected to the purlin support by bolts.

[0014] Furthermore, in step S7, two component units installed successively are spliced ​​using a connecting piece.

[0015] The beneficial effects of the present invention are: The mechanized installation process of the fixed photovoltaic support structure assembly unit of the present invention forms an assembly unit by fixing a plurality of photovoltaic modules with purlins and installing the assembly units one by one on the support inclined beam, and finally completes the installation of the photovoltaic string. The installation process assembles the photovoltaic assembly units on the ground, transports the assembly units mechanically and installs them on the support inclined beam, realizes the mechanized installation of the photovoltaic support purlins and photovoltaic modules, has high installation efficiency and good quality, reduces the number of construction personnel required, and greatly reduces the construction cost and safety risks.

[0016] The installation process of the present invention is simple and has good adaptability. The installation position and angle of the component unit on the bracket inclined beam can be adjusted in real time by the lifting vehicle, and the installation accuracy is high, ensuring that each component unit can achieve the best light receiving effect. Different target installation locations may require different installation heights. The lifting vehicle can flexibly adapt to different installation heights and east-west height differences according to specific terrain and environmental conditions, with high work efficiency and good adaptability, avoiding rework caused by improper installation position. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the installation process flow of the present invention; Figure 2 This is a schematic diagram of the fixed photovoltaic support structure of the present invention; Figure 3 for Figure 2 A magnified view of the structure at center; Figure 4 for Figure 2 A magnified view of the structure at B in the middle; Figure 5 This is a schematic diagram of the structure of the component unit assembly platform of the present invention; Figure 6 It is a schematic diagram of the assembly platform and purlin placement of the component units of the present invention; Figure 7 This is a schematic diagram of installing the photovoltaic module of the present invention on the purlin; Figure 8 It is a schematic diagram of the assembled component unit of the present invention; Fig. 9 It is a schematic diagram of the structure of the lifting vehicle of the present invention; Fig.10 It is a schematic diagram of the installation of the component units of the present invention; Fig.11 It is a schematic diagram of the simultaneous assembly and installation of component units of the present invention; Fig.12 It is a schematic diagram of the connection structure between the component units of the present invention; Fig.13 for Fig.12 A magnified view of the structure at C in the middle; Fig.14 for Fig.12 Enlarged view of the structure at point D in the middle.

[0018] In the figure: 101, photovoltaic support foundation; 102, support column; 103, support diagonal beam; 104, purlin support; 105, support diagonal brace; 106, clamp; 107, connecting plate; 108, embedded bolt; 109, purlin support hole; 110, purlin support bolt; 120, module unit; 121, purlin; 122, photovoltaic module; 200, module unit assembly platform; 201, positioning device; 202, lifting device; 203, walking mechanism; 300, lifting vehicle; 400 connecting parts. DETAILED DESCRIPTION

[0019] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] Example 1 like Figure 2 As shown, the fixed photovoltaic support structure includes a photovoltaic support foundation 101, a support column 102, a support diagonal beam 103, a purlin support 104, a support diagonal brace 105, a clamp 106, a connecting plate 107, embedded bolts 108, and a purlin support bolt 110.

[0021] like Figure 3 As shown, the photovoltaic support base 101 is fixedly connected to the ground, the support column 102 is arranged on the top of the photovoltaic support base 101, the support column 102 and the photovoltaic support base 101 are fastened and connected by the connecting plate 107 and the embedded bolts 108, and the support column 102 and the photovoltaic support base 101 can also be connected by plugging, welding, etc. The support diagonal beam 103 is obliquely fixed to the top of the support column 102, and the two ends of the support diagonal beam 103 are provided with a support diagonal brace 105, one end of the support diagonal brace 105 is fixedly connected to the support diagonal beam 103, and the other end is fixedly connected to the photovoltaic support base 101 through a clamp 106, and the support diagonal brace 105 helps to increase the stability of the entire fixed photovoltaic support structure.

[0022] like Figure 4 As shown, the purlin support 104 is L-shaped, and the purlin support 104 is fixedly connected to the support inclined beam 103 through the purlin support bolt 110. The purlin support 104 is also provided with a purlin support hole 109, and the purlin support hole 109 is used to fix the purlin 121.

[0023] like Figure 5As shown, the component unit assembly platform 200 includes a positioning device 201, a lifting device 202 and a walking mechanism 203. The positioning device 201 is located on the lifting device 202. The position of the positioning device 201 is adjustable, and the number of positioning devices corresponds to the number of purlins 121. The lifting device 202 is arranged on the component unit assembly platform body to adjust the installation height to meet the space adjustment during the installation of the purlins 121 and the photovoltaic components 122 and the space requirements when the lifting vehicle 300 is loaded. The walking mechanism 203 is arranged at the bottom of the component unit assembly platform body to facilitate the movement of the component unit assembly platform 200 when the construction site is converted.

[0024] The component unit assembly platform 200 can be assembled and disassembled quickly, and is convenient for transportation.

[0025] like Figure 6 and Figure 7 As shown, the assembly unit 120 includes a purlin 121 and a photovoltaic assembly 122 , and a plurality of photovoltaic assemblies 122 are fixedly connected to the purlin 121 to form the assembly unit 120 .

[0026] When the component unit 120 is assembled using the component unit assembly platform 200, as shown in FIG. Figure 6 , Figure 7 and Figure 8 As shown, firstly, the purlin 121 is placed on the positioning device 201, and the positioning device 201 positions and clamps the purlin 121, and then a plurality of photovoltaic modules 122 are fixed on the purlin 121, and finally the positioning device 201 releases the purlin 121, thus completing the assembly of one module unit 120.

[0027] The purlin 121 of the assembly unit 120 is provided with a mounting hole, the position of the mounting hole corresponds to the position of the purlin support hole 109 , the purlin 121 is fixedly connected to the purlin support 104 by bolts, and the bolts are passed through the mounting hole and the purlin support hole 109 .

[0028] The fixed photovoltaic support structure needs to be tilted to ensure that it receives the maximum amount of solar radiation. The relationship between the overall orientation of the fixed photovoltaic support structure and the geographical location is: in the northern hemisphere, the inclination of the fixed photovoltaic support structure is towards the south; in the southern hemisphere, the inclination of the fixed photovoltaic support structure is towards the north; in the equatorial region, the inclination of the fixed photovoltaic support structure is towards the east-west direction.

[0029] like Fig. 9 and Fig.10 As shown, the lifting vehicle 300 has the functions of steering, lifting, lowering, tilting, and micro-shifting, and is used to remove the component unit 120 from the component unit assembly platform 200, and then transport it to the target installation site and accurately place it on the purlin 121 of the fixed photovoltaic support structure.

[0030] like Fig.11As shown, after the lifting vehicle 300 removes the component unit 120 from the component unit assembly platform 200, the next component unit 120 can be assembled. The assembly, transportation and installation of the component unit 120 can be carried out simultaneously, which can greatly improve the working efficiency.

[0031] like Fig.12 , Fig.13 and Fig.14 As shown, two component units 120 installed successively are connected by a connecting piece 400 to form a whole. Specifically, the connecting piece 400 is used to fix and connect the purlins 121 of the two component units 120 installed successively.

[0032] like Figure 1 As shown, the mechanized installation process of the fixed photovoltaic support structure assembly unit of the present invention includes the following steps: S1. Complete the construction of the photovoltaic support foundation 101, the support column 102 and the support inclined beam 103; S2, installing the purlin support 104 on the bracket inclined beam 103; S3, installing the bracket diagonal brace 105; S4, fixing a plurality of photovoltaic modules 122 to the purlin 121 to form a module unit 120; S5, transporting the component unit 120 to a target installation site; S6, fixing and connecting the purlin 121 and the purlin support 104, so that the assembly unit 120 is fixed on the bracket oblique beam 103; S7, repeat steps S4 to S6 until the installation of the component unit 120 of a photovoltaic string is completed.

[0033] Specifically, the above step S1 includes the following steps: (1) Complete the construction of photovoltaic support foundation 101 in accordance with the design requirements of the fixed photovoltaic support structure; (2) Install the support column 102 on the top embedded part of the photovoltaic support foundation 101 by welding or bolting. The spacing, top elevation and straightness of each support column 102 must meet the design requirements; (3) Install the support inclined beam 103 on the support column 102, and control the inclination angle and flatness of the support inclined beam 103 to meet the requirements.

[0034] Specifically, the above step S4 includes the following steps: (1) The component unit assembly platform 200 is in place, and the positioning device for fixing the purlin on the component unit assembly platform 200 is adjusted; (2) placing the purlin 121 on the component unit assembly platform 200 and adjusting and fixing it in place, and the purlin is detachably fixedly connected to the component unit assembly platform 200; (3) A plurality of photovoltaic modules 122 are fixedly connected to the purlin 121 to form a module unit 120 .

[0035] Purlin mounting holes are provided on the purlins 121 of the component unit, and the positions of the purlin brackets 104 correspond to the positions of the purlin mounting holes of the component unit. The purlins 121 and the purlin brackets 104 are fixedly connected by bolts.

[0036] Furthermore, in step S4, the assembly units are divided according to the number of rows and columns of the photovoltaic assemblies 122 designed to be installed between the two support columns 102, including edge assembly units and middle assembly units.

[0037] Furthermore, a plurality of purlin brackets 104 and purlins 121 are provided. In this embodiment, four purlin brackets 104 are provided on each support diagonal beam 103, and one assembly unit 120 includes four purlins 121 and 14 photovoltaic modules 122, which are arranged in two rows, and each row is provided with seven photovoltaic modules 122; when applied, the number of photovoltaic modules 122 of the assembly unit 120 can be adjusted according to actual conditions.

[0038] The component unit assembly platform 200 comprises a structural body, an adjustable positioning device 201 and a lifting device 202 arranged on the structural body, and a walking mechanism 203 arranged at the bottom of the structural body.

[0039] In the above step S5, the assembly unit is transported to the target installation site using a lifting vehicle 300. The tilt range of the top bracket of the lifting vehicle 300 is 0° to 40°, and it can be leveled in the east-west direction on a ground with a slope of less than 10%.

[0040] Specifically, the above step S6 includes the following steps: The lifting vehicle 300 places the component unit on the installed support diagonal beam 103 through steering, lifting, lowering, tilting, and micro-shifting operations. The staff fixes the purlin 121 and the purlin support 104 to fix the component unit 120 on the support diagonal beam 103.

[0041] Furthermore, in the above step S6, when the component unit extends far out from the bracket inclined beam 103, temporary support is required.

[0042] In the above step S7 , a photovoltaic string includes a plurality of component units 120 , and a connector 400 is used to splice two component units 120 installed successively.

[0043] It should be noted that in step S6, the installation position and installation angle of the component unit 120 can be positioned by human eyes, or the lifting vehicle 300 can be equipped with a built-in visual positioning system to position each installation hole. The visual positioning system is a prior art, and the specific positioning method is not described in this embodiment.

[0044] The mechanized installation process for the fixed photovoltaic support structure assembly unit of the present invention is suitable for environments such as flat Gobi, desert or other flat land with open terrain.

[0045] Example 2 Based on Example 1, optionally, the steering function of the lifting vehicle 300 is realized by a steering wheel, which is transmitted to the steering system near the wheels of the lifting vehicle 300 through a steering shaft and a steering column. It also includes a steering assist device such as a hydraulic booster or an electronic booster, which is used to reduce the force required to turn the steering wheel and ensure easy control of the direction.

[0046] Optionally, the lifting function of the lifting vehicle 300 is achieved through a hydraulic system or a mechanical lever. The hydraulic system includes a hydraulic pump, a cylinder, a lifting arm and a control valve, etc., and the lifting arm is lifted by controlling the flow of hydraulic fluid; the mechanical lifting includes gears, chains or screws, etc., and the lifting action is completed through mechanical structure transmission.

[0047] Optionally, the lowering function of the lift vehicle 300 is the opposite of the raising function, by releasing hydraulic fluid or reversing the motion of mechanical components to lower the lift arms.

[0048] Optionally, the tilting function of the lifting vehicle 300 is achieved through a rotatable fulcrum or multiple hydraulic cylinders operating at different rates, which can lift or lower the other end of the object while keeping the height of one end unchanged, thereby achieving a tilting effect.

[0049] Optionally, the micro-shift function of the lifting vehicle 300 is a hydraulic system with a precisely controlled valve, or a mechanical system equipped with a precision motor and a transmission device, such as a screw feed mechanism, which converts rotational motion into linear motion. The screw rotates one circle and the nut only moves a lead distance to achieve precise positioning.

[0050] The mechanized installation process of the fixed photovoltaic support structure assembly unit of the present invention forms an assembly unit by fixing a plurality of photovoltaic modules with purlins and using a lifting vehicle to install the assembly units one by one on the support inclined beam, and finally completes the assembly installation. The installation process assembles the photovoltaic assembly unit on the ground, transports the assembly unit by machinery and installs it on the support inclined beam, realizes the mechanized installation of the photovoltaic support purlins and photovoltaic modules, has high installation efficiency and good quality, greatly reduces the number of construction personnel, and reduces construction costs and safety risks.

[0051] The installation process of the present invention is simple and has good adaptability. The installation position and angle of the component unit on the bracket inclined beam can be adjusted in real time by the lifting vehicle, and the installation accuracy is high, ensuring that each component unit can achieve the best light receiving effect. Different target installation locations may require different installation heights. The lifting vehicle can flexibly adjust the installation height and the east-west height difference according to the specific terrain and environmental conditions, with high work efficiency and good adaptability, avoiding rework caused by improper installation position.

[0052] Components and structures not described in detail in the embodiments are well-known components and common structures or common means in the industry and are not described one by one here.

Claims

1. A mechanized installation process for fixing photovoltaic support structure component units, characterized in that: The following steps are involved: S1. Complete the construction of photovoltaic support foundation, support columns and support inclined beams; S2, installing purlin supports on the inclined beams of the support; S3, install the bracket diagonal brace; S4, fixing and connecting a plurality of photovoltaic modules to the purlins to form a module unit; S5, transporting the component unit to the target installation site; S6, fixing and connecting the purlin and the purlin support, so that the component unit is fixed on the bracket oblique beam; S7. Repeat steps S4 to S6 until the installation of a photovoltaic string module unit is completed.

2. The mechanized installation process for fixing photovoltaic support structure assembly units according to claim 1 is characterized in that: The step S1 specifically includes the following steps: Complete the photovoltaic support foundation construction according to the design requirements of the fixed photovoltaic support structure; Install the support columns on the top embedded parts of the photovoltaic support foundation by welding or bolting. The spacing, top elevation and straightness of each support column must meet the design requirements; Install the support diagonal beam on the support column, control the inclination and flatness of the support diagonal beam to meet the requirements, and install the purlin support on the support diagonal beam.

3. The mechanized installation process for fixing photovoltaic support structure assembly units according to claim 1 is characterized in that: The step S4 specifically comprises the following steps: The component unit assembly platform is in place, and the positioning device for fixing the purlin on the component unit assembly platform is adjusted; Placing and fixing the purlins on the component unit assembly platform; Several photovoltaic modules are fixedly connected to the purlins to form a module unit.

4. The mechanized installation process for fixing photovoltaic support structure assembly units according to claim 1 is characterized in that: In step S4, the module units are divided according to the number of rows and columns of photovoltaic modules designed to be installed between two support columns, including edge module units and middle module units.

5. The mechanized installation process for fixing photovoltaic support structure assembly units according to claim 3 is characterized in that: The component unit assembly platform comprises a structural body, an adjustable positioning device and a lifting device arranged on the structural body, and a walking mechanism arranged at the bottom of the structural body.

6. The mechanized installation process for fixing photovoltaic support structure assembly units according to claim 1 is characterized in that: In the step S5, the component unit is transported to the target installation site using a lifting vehicle.

7. The mechanized installation process for fixing photovoltaic support structure assembly units according to claim 6 is characterized in that: The step S6 specifically comprises the following steps: After the lifting vehicle adjusts the installation angle and installation position of the component unit, the staff will fix the purlin and the purlin support to connect the component unit to the support inclined beam.

8. The mechanized installation process for fixing photovoltaic support structure assembly units according to claim 6 is characterized in that: The top bracket of the lifting vehicle has an inclination range of 0° to 40°, and can be leveled in the east-west direction on a ground with a slope of less than 10%.

9. The mechanized installation process for fixing photovoltaic support structure assembly units according to claim 1, characterized in that: The purlin of the component unit is provided with a mounting hole, and the purlin is fixedly connected to the purlin support by bolts.

10. The mechanized installation process for fixing photovoltaic support structure assembly units according to claim 1, characterized in that: In step S7, two component units installed successively are spliced ​​using a connecting piece.

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