Offshore photovoltaic cable laying device

Abstract

The invention relates to the technical field of offshore photovoltaic cable laying, in particular to an offshore photovoltaic cable laying device which comprises a chord member, a fixing frame is arranged on one side of the chord member, a bottom frame is fixedly connected to the outer side of the fixing frame, a handrail is fixedly connected to the outer side of the bottom frame, and a lower cable frame is fixedly connected to the outer side of the handrail. The lower cable rack is rotatably connected with an upper cable rack, and the upper cable rack is provided with a positioning mechanism which is convenient for quickly positioning and fixing a plurality of cables. According to the offshore photovoltaic cable laying device, the first threaded rod arranged at the inner end of the lower cable rack is connected with the clamping groove formed in the upper cable rack and is fixed by the nut, so that a cable is prevented from being separated from the lower cable rack and the upper cable rack; meanwhile, a second threaded rod limited by a sliding block and a threaded seat, a rotating seat and a cable pressing plate are slidably connected in an adjusting groove formed in the upper cable rack, so that the cable can be conveniently positioned, clamped and fixed.

Description

Technical Field

[0001] The invention relates to the technical field of photovoltaic cable laying, and in particular to an offshore photovoltaic cable laying device. Background Art

[0002] Offshore photovoltaics is a new type of photovoltaic power generation method. It does not occupy land resources and only uses the sea surface to build power stations. It has the characteristics of less land occupation, high power generation, and easy integration with other industries. The connecting optical cable of offshore photovoltaics is a key component for power transmission in offshore photovoltaic power generation systems. It has high performance and special design to adapt to the marine environment.

[0003] The above device does not have a structure for fast cable limiting and positioning clamping during use, so that during the installation process of existing offshore photovoltaic cables, most of them are first set up on the cable rack, and then the cables are fixed one by one using fixings. During the installation process, it is necessary to frequently adjust or assist in stabilizing the cables or fixings before fixing, which is relatively cumbersome. At the same time, if the fixing buckle is damaged due to erosion due to long-term use, the fixed cable is very easy to slide loose and rub against the cable rack or other cables, causing damage.

[0004] Based on the deficiencies of the existing technology, the present invention designs an offshore photovoltaic cable laying device. Summary of the invention

[0005] The present invention provides an offshore photovoltaic cable laying device, which has the advantages of rapid cable limiting and positioning clamping and fixing.

[0006] The present invention provides the following technical solution: an offshore photovoltaic cable laying device, comprising a chord, a fixing frame is provided on one side of the chord, a bottom frame is fixedly connected to the outside of the fixing frame, a handrail is fixedly connected to the outside of the bottom frame, a lower cable rack is fixedly connected to the outside of the handrail, an upper cable rack is rotatably connected to the lower cable rack, and a positioning mechanism is provided on the upper cable rack for quickly positioning and fixing multiple cables;

[0007] The positioning mechanism includes an adjusting groove, a closing buckle, a slider, a threaded seat, a second threaded rod, a rotating seat, a cable pressing plate and a screw head. The adjusting groove is penetrated and opened on the upper surface of the upper cable rack. The closing buckle is inserted in the notch of the adjusting groove. The slider is slidably engaged in the adjusting groove. The threaded seat is fixedly connected to the upper surface of the slider. The second threaded rod is threadedly inserted in the threaded seat. The rotating seat is rotatably connected to the bottom end of the second threaded rod. The cable pressing plate is fixedly connected to the lower surface of the rotating seat. The screw head is fixedly connected to the top of the screw head.

[0008] As a preferred technical solution of the present invention, the inner end of the lower cable rack is fixedly connected with a fixing plate, the upper surface of the inner end of the lower cable rack is fixedly connected with a first threaded rod, the top end of the first threaded rod is threadedly connected with a nut, the outer end of the lower cable rack is fixedly connected with a rotating plate, the inner side of the outer end of the upper cable rack is fixedly connected with a rotating shaft, and a slot is provided at one end of the upper cable rack facing the first threaded rod.

[0009] As a preferred technical solution of the present invention, a support rod is fixedly connected to the inner side of the fixed frame, a pedal is fixedly connected to the upper surface of the base frame, a support arm is fixedly connected to the bottom of the base frame, a partition fence is longitudinally fixedly connected to the inner side of the railing, and a cross bar is transversely fixedly connected to the inner side of the railing.

[0010] As a preferred technical solution of the present invention, a chord ball is fixedly connected to the chord rod, the bottoms of the chord rod and the chord ball are fixedly connected to a sandalwood bar, the bottom of the chord ball is fixedly connected to a support seat, the bottom of the support seat is fixedly connected to a support column, and the tops of the chord rod and the chord ball are fixedly installed with a photovoltaic panel body.

[0011] As a preferred technical solution of the present invention, the slider is slidably connected to the upper cable rack, and the cable pressing plate is slidably connected between the lower cable rack and the upper cable rack.

[0012] As a preferred technical solution of the present invention, the second threaded rod is arranged through the sliding block.

[0013] As a preferred technical solution of the present invention, the fixing plate is fixedly connected to the outside of the railing, the slot is movably connected to the first threaded rod, and the bottom of the nut contacts the upper surface of the upper cable rack facing one end of the slot.

[0014] As a preferred technical solution of the present invention, the rotating shaft is rotatably connected to the top end of the rotating plate.

[0015] As a preferred technical solution of the present invention, the top end of the fixing frame is also fixedly connected to the string ball at the top, and the inner end of the supporting rod is fixedly connected to the string ball at the bottom.

[0016] As a preferred technical solution of the present invention, both ends of the support arm are fixedly connected to the fixing frame and the base frame.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. An offshore photovoltaic cable laying device, which unlocks the upper cable rack by unscrewing the nut from the first threaded rod, and then rotates the upper cable rack upward using a rotating shaft to open the top of the lower cable rack. At this time, the cables are arranged in order and placed on the lower cable rack. After the cables are placed, the upper cable rack is flipped back using the rotating shaft to cover the lower cable rack and the cables, and the slot is re-inserted into the first threaded rod and locked using a nut. At this time, the cable can always be between the lower cable rack and the upper cable rack and will not be disconnected. The device is convenient for quickly limiting the cable.

[0019] 2. This offshore photovoltaic cable laying device, after the cable is limited between the lower cable rack and the upper cable rack, removes the closing buckle from the adjustment groove, and uses the second threaded rod to screw the cable pressing plate to the highest position, and then aligns and inserts the same number of sliders from the adjustment groove one by one according to the number of cables and reinserts them into the closing buckle for fixing. At this time, fine-tune the spacing of the cables arranged below, and after the adjustment is completed, move the sliders one by one, so that the slider drives the cable pressing plate to move to the top of the corresponding cable through the second threaded rod, and finally uses a tool to screw the screw head to drive the second threaded rod to rotate and push the cable pressing plate downward. After the downwardly moved cable pressing plate contacts the cable, it adjusts the angle so that the arc surface at its bottom fits the cable, and then continues to screw the second threaded rod to make the cable pressing plate continue to move downward to clamp and fix the cable. This device is convenient for positioning, clamping and fixing the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the photovoltaic panel and installation frame structure of the present invention;

[0022] Figure 3 It is a schematic diagram of the chord rod, fixing frame, base frame and handrail structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the connection structure between the chassis and the railing of the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of the handrail and the lower cable rack of the present invention;

[0025] Figure 6 This is a schematic diagram of the connection structure between the lower cable rack and the upper cable rack of the present invention;

[0026] Figure 7 It is a schematic diagram of the explosion structure of the positioning mechanism of the present invention.

[0027] In the figure: 1. chord rod; 101. chord ball; 102. sandalwood bar; 103. support seat; 104. support column; 105. photovoltaic panel body; 2. fixed frame; 201. support rod; 202. base frame; 203. pedal; 204. support arm; 205. railing; 206. partition; 207. cross bar; 3. lower cable rack; 301. fixed plate; 302. first threaded rod; 303. nut; 304. rotating plate; 305. upper cable rack; 306. rotating shaft; 307. slot; 4. positioning mechanism; 401. adjustment slot; 402. closing buckle; 403. slider; 404. threaded seat; 405. second threaded rod; 406. rotating seat; 407. cable pressing plate; 408. screw head. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-7 A photovoltaic cable laying device at sea comprises a chord 1, a fixing frame 2 is arranged on one side of the chord 1, a base frame 202 is fixedly connected to the outer side of the fixing frame 2, a handrail 205 is fixedly connected to the outer side of the base frame 202, a lower cable rack 3 is fixedly connected to the outer side of the handrail 205, a positioning mechanism 4 for quickly positioning and fixing multiple cables is arranged on the upper cable rack 305, a chord ball 101 is fixedly connected to the chord 1, a sandalwood bar 102 is fixedly connected to the bottom of the chord 1 and the chord ball 101, a support seat 103 is fixedly connected to the bottom of the support seat 103, a support column 104 is fixedly connected, and a photovoltaic panel body 105 is fixedly installed on the top of the chord 1 and the chord ball 101.

[0030] See also Figure 3-5 A support rod 201 is fixedly connected to the inner side of the fixed frame 2, a pedal 203 is fixedly connected to the upper surface of the base frame 202, a support arm 204 is fixedly connected to the bottom of the base frame 202, a partition 206 is fixedly connected to the inner side of the handrail 205 longitudinally, and a cross bar 207 is fixedly connected to the inner side of the handrail 205 transversely. The top of the fixed frame 2 is also fixedly connected to the string ball 101 at the top, the inner end of the support rod 201 is fixedly connected to the string ball 101 at the bottom, and both ends of the support arm 204 are fixedly connected to the fixed frame 2 and the base frame 202.

[0031] See also Figure 7, positioning mechanism 4, the positioning mechanism 4 includes an adjusting groove 401, a closing buckle 402, a slider 403, a threaded seat 404, a second threaded rod 405, a rotating seat 406, a cable pressing plate 407 and a screw head 408. The adjusting groove 401 is penetrated and opened on the upper surface of the upper cable rack 305, the closing buckle 402 is inserted in the notch of the adjusting groove 401, the slider 403 is slidably clamped in the inside of the adjusting groove 401, the threaded seat 404 is fixedly connected to the upper surface of the slider 403, the second threaded rod 405 is threadedly inserted in the inside of the threaded seat 404, the rotating seat 406 is rotatably connected to the bottom end of the second threaded rod 405, the cable pressing plate 407 is fixedly connected to the lower surface of the rotating seat 406, the screw head 408 is fixedly connected to the top of the screw head 408, the slider 403 is slidably connected to the upper cable rack 305, the cable pressing plate 407 is slidably connected between the lower cable rack 3 and the upper cable rack 305, and the second threaded rod 405 is penetrated and arranged in the slider 403.

[0032] By providing an adjustment groove 401 and a closing buckle 402, the slider 403 can be slidably adjusted, and the corresponding clamping piece can be installed according to the number of cables and prevented from falling out. By providing a threaded seat 404, a second threaded rod 405, a rotating seat 406 and a cable pressing plate 407, the cable pressing plate 407 can be controlled to move downward to clamp and fix the cable, while preventing the cable pressing plate 407 from rotating with the second threaded rod 405 and being unable to fit tightly with the cable for clamping and fixing.

[0033] See also Figure 6 The inner end of the lower cable rack 3 is fixedly connected with a fixing plate 301, the upper surface of the inner end of the lower cable rack 3 is fixedly connected with a first threaded rod 302, the top of the first threaded rod 302 is threadedly connected with a nut 303, the outer end of the lower cable rack 3 is fixedly connected with a rotating plate 304, the lower cable rack 3 is rotatably connected with an upper cable rack 305, the inner side of the outer end of the upper cable rack 305 is fixedly connected with a rotating shaft 306, and the upper cable rack 305 is provided with a slot 307 at one end facing the first threaded rod 302, the fixing plate 301 is fixedly connected to the outer side of the railing 205, the slot 307 is movably connected to the first threaded rod 302, the bottom of the nut 303 is in contact with the upper surface of the upper cable rack 305 at one end facing the slot 307, and the rotating shaft 306 is rotatably connected to the top of the rotating plate 304.

[0034] By setting up a lower cable rack 3 and an upper cable rack 305, multiple cables can be limited between the two, and the positioning mechanism 4 can be effectively prevented from being damaged by weathering or erosion, resulting in the cables being damaged by being detached from the fixed position and shaking. By setting up a first threaded rod 302, a nut 303 and a slot 307, the inner end of the upper cable rack 305 can be locked to prevent the upper cable rack 305 from being opened by other external forces, affecting the fixing effect of the positioning mechanism 4 and preventing the cables from being damaged by being detached from the limited position and fixing.

[0035] Working principle: when an offshore photovoltaic cable laying device is used, in the initial state, the head chord rod 1, the chord ball 101 and the sandalwood bar 102 are connected to each other, and the support seat 103 fixedly connected to the bottom chord ball 101 is connected to the support column 104, and at the same time, the top chord ball 101 is connected and fixed to the photovoltaic panel body 105, so that the photovoltaic panel body 105 can be installed at sea for use, and the fixed frame 2 and the support rod 201 fixedly connected to one side of the chord rod 1 and the chord ball 101 are connected to the base frame 202 and the railing 205, and the inner sides of the base frame 202 and the railing 205 are respectively provided with pedals 203, partitions 206 and cross bars 207, so that workers can The operator moves the cable rack 305, and a rotating plate 304 is installed at the front end of the lower cable rack 3 fixedly connected to the outer side of the railing 205. The rotating plate 304 is rotatably connected to the upper cable rack 305 through a rotating shaft 306. The first threaded rod 302 arranged at the inner end of the lower cable rack 3 is connected to the card slot 307 provided on the upper cable rack 305 and is fixed by a nut 303, so as to prevent the cable from being separated from the lower cable rack 3 and the upper cable rack 305. At the same time, a second threaded rod 405 limited by a slider 403 and a threaded seat 404, a rotating seat 406 and a cable pressing plate 407 are slidably connected in the adjusting slot 401 provided on the upper cable rack 305, so as to facilitate positioning, clamping and fixing of the cable.

[0036] When it is necessary to quickly limit the cable position, first unscrew the nut 303 from the first threaded rod 302 to release the lock on the upper cable rack 305, and then use the rotation shaft 306 to rotate the upper cable rack 305 upward to open the top of the lower cable rack 3. At this time, the cables are arranged in order and placed on the lower cable rack 3. After the cables are placed, the upper cable rack 305 is flipped over again using the rotation shaft 306 to cover the lower cable rack 3 and the cables, and the slot 307 is re-inserted into the first threaded rod 302 and locked using the nut 303. At this time, the cable can always be between the lower cable rack 3 and the upper cable rack 305 and will not be disconnected. This device is convenient for quickly limiting the cable position.

[0037] When it is necessary to position, clamp and fix the cable, first, after the cable is limited between the lower cable rack 3 and the upper cable rack 305, the closing buckle 402 is removed from the adjusting slot 401, and the cable pressing plate 407 is screwed to the highest position by using the second threaded rod 405, and then the same number of sliders 403 are aligned and inserted into the adjusting slot 401 according to the number of cables, and then reinserted into the closing buckle 402 for fixing. At this time, fine-tune the spacing of the cables arranged below, and after the adjustment is completed, move the sliders 403 one by one, so that the sliders 403 drive the cable pressing plate 407 to move above the corresponding cables through the second threaded rod 405, and finally use the tool to screw the screw head 408 to drive the second threaded rod 405 to rotate and push the cable pressing plate 407 downward, and the downwardly moved cable pressing plate 407 contacts the cable and adjusts its angle so that its bottom arc surface fits the cable, and then continues to screw the second threaded rod 405 to make the cable pressing plate 407 continue to move downward to clamp and fix the cable. This device is convenient for positioning, clamping and fixing the cable.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An offshore photovoltaic cable laying device, comprising a chord (1), characterized in that: A fixing frame (2) is provided on one side of the chord rod (1); a bottom frame (202) is fixedly connected to the outside of the fixing frame (2); a handrail (205) is fixedly connected to the outside of the bottom frame (202); a lower cable rack (3) is fixedly connected to the outside of the handrail (205); an upper cable rack (305) is rotatably connected to the lower cable rack (3); and a positioning mechanism (4) is provided on the upper cable rack (305) for quickly positioning and fixing a plurality of cables; The positioning mechanism (4) comprises an adjusting groove (401), a closing buckle (402), a slider (403), a threaded seat (404), a second threaded rod (405), a rotating seat (406), a cable pressing plate (407) and a screw head (408); the adjusting groove (401) is penetrated and opened on the upper surface of the upper cable rack (305); the closing buckle (402) is plugged into the notch of the adjusting groove (401); the slider (403) The sliding card is connected to the inside of the adjustment groove (401), the threaded seat (404) is fixedly connected to the upper surface of the slider (403), the second threaded rod (405) is threadedly inserted into the inside of the threaded seat (404), the rotating seat (406) is rotatably connected to the bottom end of the second threaded rod (405), the cable pressing plate (407) is fixedly connected to the lower surface of the rotating seat (406), and the screw head (408) is fixedly connected to the top of the screw head (408).

2. An offshore photovoltaic cable laying device according to claim 1, characterized in that: The inner end of the lower cable rack (3) is fixedly connected to a fixing plate (301), the upper surface of the inner end of the lower cable rack (3) is fixedly connected to a first threaded rod (302), the top end of the first threaded rod (302) is threadedly connected to a nut (303), the outer end of the lower cable rack (3) is fixedly connected to a rotating plate (304), the inner side of the outer end of the upper cable rack (305) is fixedly connected to a rotating shaft (306), and the upper cable rack (305) is provided with a slot (307) at one end facing the first threaded rod (302).

3. The offshore photovoltaic cable laying device according to claim 1, characterized in that: A support rod (201) is fixedly connected to the inner side of the fixed frame (2), a pedal (203) is fixedly connected to the upper surface of the base frame (202), a support arm (204) is fixedly connected to the bottom of the base frame (202), a partition bar (206) is fixedly connected to the inner side of the handrail (205) in the longitudinal direction, and a crossbar (207) is fixedly connected to the inner side of the handrail (205) in the transverse direction.

4. The offshore photovoltaic cable laying device according to claim 1, characterized in that: The chord rod (1) is fixedly connected to a chord ball (101); the bottoms of the chord rod (1) and the chord ball (101) are fixedly connected to a sandalwood bar (102); the bottom of the chord ball (101) is fixedly connected to a support seat (103); the bottom of the support seat (103) is fixedly connected to a support column (104); and a photovoltaic panel body (105) is fixedly installed on the tops of the chord rod (1) and the chord ball (101).

5. The offshore photovoltaic cable laying device according to claim 1, characterized in that: The slider (403) is slidably connected to the upper cable rack (305), and the cable pressing plate (407) is slidably connected between the lower cable rack (3) and the upper cable rack (305).

6. The offshore photovoltaic cable laying device according to claim 1, characterized in that: The second threaded rod (405) is disposed through the slider (403).

7. An offshore photovoltaic cable laying device according to claim 2, characterized in that: The fixing plate (301) is fixedly connected to the outer side of the railing (205), the clamping groove (307) is movably clamped on the first threaded rod (302), and the bottom of the nut (303) is in contact with the upper surface of the upper cable rack (305) facing the clamping groove (307).

8. The offshore photovoltaic cable laying device according to claim 2, characterized in that: The rotating shaft (306) is rotatably connected to the top end of the rotating plate (304).

9. The offshore photovoltaic cable laying device according to claim 3, characterized in that: The top end of the fixing frame (2) is also fixedly connected to the string ball (101) at the top, and the inner end of the supporting rod (201) is fixedly connected to the string ball (101) at the bottom.

10. The offshore photovoltaic cable laying device according to claim 3, characterized in that: The two ends of the support arm (204) are fixedly connected to the fixing frame (2) and the base frame (202).

Images