Lifting appliance for large offshore photovoltaic bracket

Abstract

The invention discloses a lifting appliance for a large offshore photovoltaic support. The lifting appliance comprises a lifting frame, two long lifting rods, two short lifting rods, four lifting arms, four sets of lifting arm rotating mechanisms and four hoops. The hanging bracket is a rectangular frame composed of two long main rods and two short main rods. An upper lug plate is fixed at each of four corners of the top surface of the hanging bracket; the two long hanging rods and the two short hanging rods are fixed on the bottom surfaces of the two ends of the two long main rods of the hanging bracket in a one-to-one correspondence manner; the suspension arm comprises a sleeve, a horizontal rod vertically connected to the bottom of the sleeve, an inclined supporting rod connected between the top face of the outer end of the horizontal rod and the outer surface of the top of the sleeve, and a lower lug plate installed on the bottom face of the outer end of the horizontal rod. The four suspension arms are sleeved on the lower parts of the two long suspension rods and the two short suspension rods in a one-to-one correspondence manner through sleeves; the four sets of suspension arm rotating mechanisms are mounted at the bottoms of the four suspension arms in a one-to-one correspondence manner; the four hoops are hung on the lower lug plates of the four suspension arms in a one-to-one correspondence mode through the hanging rings. The inclined state of the photovoltaic support can be kept, and accurate hoisting of the photovoltaic support is ensured.

Description

Technical Field

[0001] The invention relates to a hanger for a large offshore photovoltaic support. Background Art

[0002] Offshore photovoltaics is the construction of solar photovoltaic power generation systems in marine environments such as offshore and tidal flats. It can effectively utilize vast marine resources, reduce the occupation of land resources, and reduce the impact on the environment. The current offshore photovoltaic structures are floating and pile-fixed. A certain offshore photovoltaic project in Shandong adopts a pile-fixed structure. An offshore photovoltaic support unit includes a photovoltaic support and four piles driven into the sea. The photovoltaic support 100 is a truss structure with a plane size of 59.5m×34.3m; photovoltaic panels are installed on the top surface of the photovoltaic support 100 (multiple photovoltaic panels are installed on the top surface of a photovoltaic support). The top elevations of two of the four pile foundations 200 are higher than the elevations of the other two pile foundations 200, and each of the tops of the four pile foundations 200 is provided with a connecting seat 2A; the bottom of the photovoltaic support 100 has four fulcrum seats 1A, which are used to dock with the connecting seats 2A at the tops of the four pile foundations 200 one by one, so that the top surface of the photovoltaic support 100 is inclined by 15° (see Figure 1 ). During the hoisting process of the offshore photovoltaic bracket, since the four fulcrums are below the top surface of the photovoltaic bracket, if a conventional flat rectangular hanger is used to lift the photovoltaic bracket, four holes corresponding to the positions of the four fulcrums need to be reserved on the top surface of the photovoltaic bracket, that is, the photovoltaic panels at the hole positions are not installed to facilitate the connection between the hanger and the fulcrum seats. After the photovoltaic bracket is installed on the four pile foundations, the photovoltaic panels at the four hole positions are installed. This not only increases the process, but also increases the safety risks of operators installing photovoltaic panels at sea. Summary of the invention

[0003] The purpose of the present invention is to overcome the defects of the prior art and provide a hoist for large offshore photovoltaic brackets, which can simply and conveniently hoist the photovoltaic brackets and maintain the tilted state of the photovoltaic brackets during the lifting process, thereby realizing the precise installation of the photovoltaic brackets and improving the installation efficiency of the photovoltaic brackets.

[0004] The object of the present invention is achieved as follows: A hanger for a large offshore photovoltaic support, comprising a hanger, two long hangers, two short hangers, four hangers, four hanger arm rotation mechanisms and four hoops; wherein,

[0005] The hanger is a rectangular frame composed of two long main poles and two short main poles. The length of the hanger is adapted to the spacing of the four support seats of the photovoltaic bracket in the length direction, and the width of the hanger is greater than the plane width of the photovoltaic bracket; an upper ear plate is fixed to each of the four corners of the top surface of the hanger;

[0006] Two long suspension rods are fixed one by one to the bottom surfaces of both ends of a long main rod of the hanger;

[0007] Two short suspension rods are fixed one by one on the bottom surfaces of the two ends of another long main rod of the hanger;

[0008] The difference between the length of the long suspension rod and the length of the short suspension rod is equal to the difference between the heights of the pile foundations of the two high top elevations and the pile foundations of the low top elevation;

[0009] The boom includes a sleeve, a horizontal rod vertically connected to the bottom of the sleeve, a diagonal brace connected between the top surface of the outer end of the horizontal rod and the top outer surface of the sleeve, and a lower ear plate installed on the bottom surface of the outer end of the horizontal rod; the four booms are respectively sleeved on the lower parts of the two long booms and the lower parts of the two short booms through the sleeves; the length of the horizontal rod is equal to the horizontal distance from the long side of the photovoltaic bracket to the center of the nearest fulcrum seat + L, and L is half of the difference between the width of the hanger and the plane width of the photovoltaic bracket;

[0010] Four sets of boom rotation mechanisms are correspondingly installed at the bottom of the four booms, and each set of boom rotation mechanisms includes a passive gear fixedly sleeved on the lower end of the sleeve, a reduction motor fixed at the bottom of the long boom / short boom, and a driving gear installed on the reduction motor and meshing with the passive gear;

[0011] The hoop comprises a hoop body formed by two semicircular hoop plates held together by two latches, and a hanging ring fixed between the middle top surfaces of the two hoop plates; four hoops are respectively hung on the lower ear plates of four booms through the hanging rings in a one-to-one correspondence.

[0012] The above-mentioned hanger for large offshore photovoltaic support, wherein the hanger also includes a plurality of short struts spanning between two long main poles.

[0013] In the above-mentioned hanger for large offshore photovoltaic support, the upper parts of the two long hangers and the upper parts of the two short hangers are connected by an X-shaped horizontal strut.

[0014] The hanger for a large offshore photovoltaic support of the present invention has the following characteristics: an upper ear plate is fixed to each of the four corners of the top surface of a rectangular hanger, and the lower ends of four slings are connected to the four upper ear plates one by one, and the upper ends of the four slings are connected to the hooks of the lifting equipment; two long suspension rods and two short suspension rods are connected to the four corners of the bottom surface of the hanger one by one, and a suspension arm is installed at the bottom of the two long suspension rods and the bottom of the two short suspension rods, and a set of rotating mechanisms is installed on each suspension arm, and the horizontal rotation of each suspension arm is controlled by the lifting device. The outer ends of the rods are each connected to a clamp through a lower ear plate, and the horizontal rods of the four booms can avoid interference with the photovoltaic bracket when the hanger is lowered through four sets of rotating mechanisms. When the hanger is lowered to a set height, the horizontal rods of the four rotating booms are inserted under the top surface of the photovoltaic bracket through four sets of rotating mechanisms, so that the four clamps can be connected to the four fulcrum seats on the photovoltaic bracket one by one; then, the photovoltaic bracket can be kept in an inclined state during the process of lifting the photovoltaic bracket until the photovoltaic bracket is docked with four pile foundations driven at sea. The use of the hanger for large offshore photovoltaic brackets of the present invention can avoid reserving holes on the top surface of the photovoltaic bracket, thereby avoiding the need to install photovoltaic panels again after the photovoltaic bracket is hoisted, greatly improving the installation efficiency of the photovoltaic bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a side view of a large offshore photovoltaic support unit;

[0016] Figure 2 It is a bottom-up stereogram of a hanger for a large offshore photovoltaic support of the present invention;

[0017] Figure 3 It is a top view of a hanger for a large offshore photovoltaic support of the present invention;

[0018] Figure 4 It is a side view of a hanger for a large offshore photovoltaic support of the present invention;

[0019] Figure 5 yes Figure 2 A magnified view of the middle A area;

[0020] Figure 6 yes Figure 4 Magnified view of area B.

[0021] Figure 7 This is a top view of a state of the hanger for a large offshore photovoltaic support of the present invention when in use

[0022] Figure 8 This is a bottom view of the hanger for a large offshore photovoltaic support of the present invention when in use. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] See also Figures 1 to 6 The hanger for a large offshore photovoltaic support of the present invention comprises a hanger 1, two long hangers 2, two short hangers 3, four hangers 4, four sets of hanger arm rotation mechanisms 5, an X-shaped horizontal support rod 6 and four hoops 7.

[0025] The hanger 1 is a rectangular frame and includes a rectangular frame composed of two long main poles 11 and two short main poles 12 and a plurality of short support poles 13 spanning between the two long main poles 11. The length of the hanger 1 is adapted to the lengthwise spacing of the four support seats 1A of the photovoltaic support 100, and the width of the hanger 1 is greater than the plane width of the photovoltaic support 100. An upper ear plate 10 is fixed to the top surface of each of the four corners of the hanger 1.

[0026] Two long suspension rods 2 are fixed one by one to the bottom surfaces of both ends of a long main rod 11 of the hanger 1;

[0027] Two short suspension rods 3 are fixed one by one to the bottom surfaces of both ends of another long main rod 11 of the hanger 1;

[0028] The difference between the length of the long suspension rod 2 and the length of the short suspension rod 3 is equal to the difference between the heights of the pile foundation 200 at the high top elevation and the pile foundation 200 at the low top elevation;

[0029] The boom 4 includes a sleeve 40, a horizontal rod 41 vertically connected to the bottom of the sleeve 40, a diagonal support rod 42 connected between the top surface of the outer end of the horizontal rod 41 and the top outer surface of the sleeve 40, and a lower ear plate 43 installed on the bottom surface of the outer end of the horizontal rod 41; the four booms 4 are respectively mounted on the lower part of the two long booms 2 and the lower part of the two short booms 3 through the sleeve 40 in a one-to-one correspondence; the length of the horizontal rod 41 is equal to the horizontal distance +L from the long side of the photovoltaic bracket 100 to the center of the nearest fulcrum seat 1A, and L is half of the difference between the width of the hanger 1 and the plane width of the photovoltaic bracket 100.

[0030] Four sets of boom rotating mechanisms 5 are correspondingly installed at the bottom of the four booms 4, and each set of boom rotating mechanisms 5 includes a passive gear 52 fixedly sleeved on the lower end of the sleeve 40, a reduction motor 50 fixed at the bottom of the long boom 2 / short boom 3, and a driving gear 51 installed on the reduction motor 50 and meshing with the passive gear 52;

[0031] The X-shaped horizontal brace 6 is connected between the upper parts of the two long suspension rods 2 and the upper parts of the two short suspension rods 3 .

[0032] The clamp 7 includes a clamp body 70 formed by two semicircular clamp plates and two pins, and a hanging ring 7A fixed between the middle top surfaces of the two clamp plates; the four clamps 7 are each hung on the lower ear plates 43 of the four booms 4 through the hanging rings 7A.

[0033] In a specific embodiment, the plane dimensions of the photovoltaic bracket 100 are length × width = 59.5m × 34.3m, and the vertical distance from the long side of the photovoltaic bracket 100 to the center of the nearest support seat 1A is 5.05m; the width of the hanger 1 is 1m larger than the plane width of the photovoltaic bracket 100; the length of the horizontal rod 41 of the boom 4 is 5.05m + 0.5m = 5.1m.

[0034] Please see again Figure 7 and Figure 8 The hanger for a large offshore photovoltaic support of the present invention comprises the following steps when in use:

[0035] Step 1: Pass the four slings 8 through the four upper ear plates 10 of the hanger 1 in sequence, fix them with rope clamps, and gather the other ends of the four slings 8 and tie them into a ring shape to facilitate connection with the hook of the lifting equipment;

[0036] Step 2: Drive the four arms 4 to rotate one by one through the four sets of arm rotation mechanisms 5, so that the horizontal rods 41 of the four arms 4 are parallel to the long main rod 11 of the hanger 1, so that the hanger 1 will not interfere with the photovoltaic support 100 when it descends; lift the entire hanger by lifting equipment and lift it to the top of the photovoltaic support 100 (see Figure 7 ), at this time, the photovoltaic bracket 100 is in an inclined empty state, that is, one long side of the photovoltaic bracket 100 is at a high position, and the other long side of the photovoltaic bracket 100 is at a low position; adjust the direction of the hanger so that the two long suspension rods 2 are located above the low-position long side of the photovoltaic bracket 100, and the two short suspension rods 3 are located above the high-position long side of the photovoltaic bracket 100, and then lower the hanger, when the height of the horizontal rods 41 of the two suspension arms 4 installed on the two long suspension rods 2 on the hanger corresponds to the height of the two fulcrum seats 1A on the low side, and the height of the horizontal rods 41 of the two suspension arms 4 installed on the two short suspension rods 3 corresponds to the height of the two fulcrum seats 1A on the high side (see Figure 7 ), four arms 4 are driven to rotate 90° one by one through four sets of arm rotation mechanisms 5, so that four hoops 7 are aligned one by one with four fulcrum seats 1A of the photovoltaic bracket 100 (see Figure 8 ), and then the personnel on the photovoltaic support 100 loosen a pin on the four clamps 7, open the four clamps 7, and put the four clamps 7 on the four supporting seats 1A of the photovoltaic support 100 one by one, and finally lock the four clamps 7;

[0037] Step three, control the lifting equipment to lift the photovoltaic bracket 100, and move the photovoltaic bracket 100 to the vicinity of the four pile foundations 200, slowly adjust the position of the photovoltaic bracket until the four fulcrum seats 1A on the photovoltaic bracket 100 are aligned one-to-one with the connecting seats 2A on the top of the four pile foundations 200, and manually operate to complete the one-to-one connection of the four fulcrum seats 1A with the connecting seats 2A on the top of the four pile foundations 200; after the connection is completed, open the four clamps 7, so that the four clamps 7 are separated from the four fulcrum seats 1A of the photovoltaic bracket 100 one-to-one, and then the four booms 4 are driven to rotate one-to-one through the four sets of boom rotation mechanisms 5, so that the horizontal rods 41 of the four booms 4 are all parallel to the direction of the long main rod 11 of the hanger 1, and the hanger rises to complete the installation of a photovoltaic bracket 100.

[0038] The above embodiments are only used to illustrate the present invention, rather than to limit the present invention. Those skilled in the relevant technical field may make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also belong to the scope of the present invention and should be defined by the claims.

Claims

1. A hanger for a large offshore photovoltaic support, comprising a hanger, two long hangers, two short hangers, four hangers, four hanger arm rotation mechanisms and four hoops; characterized in that: The hanger is a rectangular frame composed of two long main poles and two short main poles. The length of the hanger is adapted to the spacing of the four support seats of the photovoltaic bracket in the length direction, and the width of the hanger is greater than the plane width of the photovoltaic bracket; an upper ear plate is fixed to each of the four corners of the top surface of the hanger; Two long suspension rods are fixed one by one to the bottom surfaces of both ends of a long main rod of the hanger; Two short suspension rods are fixed one by one on the bottom surfaces of the two ends of another long main rod of the hanger; The difference between the length of the long suspension rod and the length of the short suspension rod is equal to the difference between the heights of the pile foundations of the two high top elevations and the pile foundations of the low top elevation; The boom includes a sleeve, a horizontal rod vertically connected to the bottom of the sleeve, a diagonal brace connected between the top surface of the outer end of the horizontal rod and the top outer surface of the sleeve, and a lower ear plate installed on the bottom surface of the outer end of the horizontal rod; the four booms are respectively sleeved on the lower parts of the two long booms and the lower parts of the two short booms through the sleeves; the length of the horizontal rod is equal to the horizontal distance from the long side of the photovoltaic bracket to the center of the nearest fulcrum seat + L, and L is half of the difference between the width of the hanger and the plane width of the photovoltaic bracket; Four sets of boom rotation mechanisms are correspondingly installed at the bottom of the four booms, and each set of boom rotation mechanisms includes a passive gear fixedly sleeved on the lower end of the sleeve, a reduction motor fixed at the bottom of the long boom / short boom, and a driving gear installed on the reduction motor and meshing with the passive gear; The hoop comprises a hoop body formed by two semicircular hoop plates held together by two latches, and a hanging ring fixed between the middle top surfaces of the two hoop plates; four hoops are respectively hung on the lower ear plates of four booms through the hanging rings in a one-to-one correspondence.

2. The hanger for large offshore photovoltaic support according to claim 1, characterized in that: The hanger also includes a plurality of short support rods spanning between the two long main rods.

3. The hanger for large offshore photovoltaic support according to claim 1, characterized in that: The upper parts of the two long suspension rods and the upper parts of the two short suspension rods are connected by an X-shaped horizontal brace.

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