Photovoltaic small cable pay-off device

Abstract

The utility model discloses a photovoltaic small cable pay-off device, which relates to the technical field of photovoltaic cable pay-off construction and comprises a connecting assembly and a rotating assembly. The connecting assembly comprises a connecting sleeve, a fixing piece and a pushing piece. The rotating assembly comprises a rotating main rod, a pay-off rod and a tension rod, two groups of guide rings are arranged on the rotating main rod at intervals, and the axes of the guide rings are parallel to the axis of the rotating main rod; a pay-off ring is arranged on the pay-off rod, and the pay-off rod is perpendicular to the rotating main rod; a tension ring is arranged on the tension bar, and an included angle alpha is formed between the tension bar and the pay-off rod; the small cable sequentially passes through the pay-off ring, the tension ring and the two groups of guide rings; under the action of the pushing piece, the fixing piece extends out of the connecting sleeve and is connected with a hole in the pay-off reel, so that the whole pay-off device is connected with the pay-off reel, and the installation is rapid and simple; in the process that the small cable is pulled, the tension borne by the pay-off rod is large, and meanwhile under the guidance of the direction ring, the pay-off rod can drive the rotating main rod to rotate more easily, so that the small cable is spread.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic cable laying construction technology, specifically to a photovoltaic small cable laying device. Background Technology

[0002] Photovoltaic power generation system, or photovoltaic for short, refers to a power generation system that uses the photovoltaic effect of photovoltaic cells to convert solar radiation energy into electrical energy. In photovoltaic power generation system, in addition to using a large-diameter direct-buried main cable, a smaller-diameter cable is also required. The small cable is usually wound on a cable reel and is unwound from the cable reel during use.

[0003] Utility model patent CN218070810U discloses a photovoltaic-specific cable laying device, including a rotating cable laying mechanism and a laying angle adjustment mechanism. The number of rotating cable laying mechanisms matches the number of cable reels. Each cable reel has a set of rotating cable laying mechanisms detachably mounted on one end face, and these mechanisms can rotate relative to the cable reel. The laying angle adjustment mechanism is detachably installed between the tops of two photovoltaic base columns. The photovoltaic-specific cable end on each cable reel passes sequentially through the cable guide ring of the rotating cable laying mechanism and the fixed pulley of the laying angle adjustment mechanism. When the end of the photovoltaic cable is pulled, the rotating cable laying mechanism rotates relative to the cable reel, thus replacing the rolling of the cable reel to complete the photovoltaic cable laying action. During photovoltaic cable laying, this photovoltaic cable laying device first places all the required cable reels 2 in a row between two photovoltaic base columns 3, maintaining a certain distance, so that one end face of the cable reel 2 contacts the ground. A rotating cable laying mechanism 1 is then installed on the other end face of each cable reel 2. Specifically, the center point of the fixed base coincides with the center point of the end face of the cable reel 2, and each angle steel is bolted to the end face of the cable reel 2. Then, a laying angle adjustment mechanism is installed between the tops of the two photovoltaic base columns 3. Before bolting the connecting crossbar 14 to the top of the photovoltaic base column 3, fixed pulleys 15 are installed on the connecting crossbar 14 according to the number of rotating cable laying mechanisms 1. After the laying angle adjustment mechanism is installed, the photovoltaic cable end 17 on the cable reel 2 is first passed through the second cable guide ring 12, then through the first cable guide ring 9, and finally around the fixed pulley 15. At this time, the construction personnel can carry the photovoltaic cable end 17 and walk in a straight line. During the walking process, the self-rotating limit rod 5 is subjected to the tension of the photovoltaic cable and the winding and limiting effect of the photovoltaic cable. Then, the self-rotating limit rod 5 drives the adjusting rod 7 to rotate relative to the fixed base 4 through the connecting bearing 6 to complete the cable laying work. This process replaces the rolling action of the cable reel 2 for cable laying, thereby reducing labor intensity, speeding up the laying speed of photovoltaic cables, and preventing the cable from bending. To avoid affecting the quality of cable use, this patent uses bolts to connect angle steel to the cable reel, thereby fixing the self-rotating limiting rod to the cable reel, which is relatively cumbersome to install. When laying the cable, pulling the cable end causes the self-rotating limiting rod to rotate, thus laying the cable from the cable laying reel. However, during the process of pulling the cable, the cable passes through the second cable guide ring and the first cable guide ring in sequence. After the force exerted by the cable on the second cable guide ring is decomposed, most of it is parallel to the adjusting rod, thus weakening the force in the direction of rotating the adjusting rod. During the process of pulling the cable, jamming is likely to occur. At the same time, the friction between the cable and the first cable guide ring, the second cable guide ring, and the cable laying reel is relatively large, which affects the smooth laying of the cable. Utility Model Content

[0004] The main purpose of this utility model is to provide a photovoltaic small cable laying device to solve the problem that existing small cable laying devices are prone to jamming during the directional process, which affects the smooth laying of the cable.

[0005] To achieve the above objectives, this utility model provides a photovoltaic small cable laying device, comprising:

[0006] A connecting assembly includes a connecting sleeve, a fixing member movably disposed on the inner wall of the connecting sleeve, and a pushing member disposed within the connecting sleeve via a threaded connection; the pushing member has a first pushing part at one end facing the fixing member; the fixing member has a second pushing part at one end facing the pushing member; the pushing member rotates under the action of an external force, so that the first pushing part pushes the second pushing part, thereby causing the fixing member to move away from the center of the connecting sleeve;

[0007] The rotating assembly includes a rotating main rod rotatably mounted on a pusher, a wire-feeding rod mounted on the rotating main rod, and a tension rod. Two sets of guide rings are spaced apart on the rotating main rod. The axis of the guide rings is parallel to the axis of the rotating main rod. A wire-feeding ring is provided on the wire-feeding rod. The wire-feeding rod is perpendicular to the rotating main rod. A tension ring is provided on the tension rod. The axes of the tension rod, the rotating main rod, and the guide rings are located in the same vertical plane. The tension rod and the wire-feeding rod are located in the same horizontal plane, and there is an angle α between them. The small cable passes sequentially through the wire-feeding ring, the tension ring, and the two sets of guide rings.

[0008] As a further improvement of this utility model, the side wall of the connecting sleeve is provided with slots at intervals; the fixing member includes a fixing block; the fixing block is slidably installed in the slot, and the two ends of the fixing block are respectively provided with stop blocks; the pushing member includes a pushing column; the first pushing part is a conical pushing head disposed at one end of the pushing column facing the connecting sleeve; the second pushing part is an inclined surface disposed at one end of the fixing block facing the conical pushing head.

[0009] As a further improvement of this utility model, a stabilizing plate is provided at intervals on the outer wall of the connecting sleeve; and an anti-slip layer is provided on the outer wall of the stabilizing plate.

[0010] As a further improvement of this utility model, the push column is provided with a bearing; the rotating main rod is fixedly connected to the bearing.

[0011] As a further improvement of this utility model, the two sets of guide rings are coaxially arranged from top to bottom; the rotating main rod, the tension rod, and the small cable passing through the tension ring and the guide ring form a right-angled triangle structure.

[0012] As a further improvement of this utility model, the guide ring, the wire release ring, and the tension ring are all hollow circular rings with a perfect circular cross-section.

[0013] The beneficial effects of this utility model are reflected in:

[0014] By setting up a connecting sleeve and a fixing component, under the action of the pushing component, the fixing component extends out from the connecting sleeve and connects with the hole on the pay-off reel, thereby connecting the entire pay-off device to the pay-off reel, making installation quick and simple; there is an angle between the tension rod and the pay-off rod, so that the pay-off rod is subjected to a larger tension when the small cable is pulled, and under the guidance of the direction ring, the pay-off rod can more easily drive the rotating main rod to rotate, thereby laying out the small cable. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the connection structure between a photovoltaic small cable feeding device and a feeding reel according to the present invention;

[0016] Figure 2 This is a schematic diagram of the wire feeding reel structure of a photovoltaic small cable feeding device according to the present invention;

[0017] Figure 3 This is a schematic diagram of the overall structure of a photovoltaic small cable laying device according to the present invention;

[0018] Figure 4 This is a schematic diagram of the connecting sleeve structure of a photovoltaic small cable laying device according to the present invention;

[0019] Figure 5 This is a schematic diagram of the pushing component structure of a photovoltaic small cable laying device according to the present invention;

[0020] Figure 6 This is a schematic diagram of the fixing block structure of a photovoltaic small cable laying device according to the present invention;

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Connecting sleeve; 2. Fixing component; 201. Fixing block; 202. Stop block; 3. Pushing component; 301. Pushing column; 4. First pushing part; 5. Second pushing part; 6. Rotating main rod; 7. Wire feeding rod; 8. Tension rod; 9. Guide ring; 10. Wire feeding ring; 11. Tension ring; 12. Small cable; 13. Groove; 14. Internal thread; 15. External thread; 16. Stabilizing plate; 17. Bearing; 18. Groove; 19. Wire feeding reel; 20. Hole. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the described embodiments are merely some, not all, of the embodiments of this utility model. Unless otherwise specified, the embodiments and features described in this application can be combined with each other. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0024] In one embodiment, see Figure 1 The present invention relates to a photovoltaic small cable laying device, comprising a connecting component and a rotating component.

[0025] The connecting assembly includes a connecting sleeve 1, a fixing member 2 movably disposed on the inner wall of the connecting sleeve 1, and a pushing member 3 disposed within the connecting sleeve 1 via a threaded connection. The pushing member 3 has a first pushing part 4 at one end facing the fixing member 2, and a second pushing part 5 at one end facing the pushing member 3. The pushing member 3 rotates under external force, causing the first pushing part 4 to push the second pushing part 5, thereby causing the fixing member 2 to move away from the center of the connecting sleeve 1. The rotating assembly includes a rotating main rod 6 rotatably disposed on the pushing member 3, and a rotating main rod 6... The main rotating rod 6 has a wire-feeding rod 7 and a tension rod 8. Two sets of guide rings 9 are spaced apart on the main rotating rod 6. The axis of the guide rings 9 is parallel to the axis of the main rotating rod 6. The wire-feeding rod 7 is equipped with a wire-feeding ring 10 and is perpendicular to the main rotating rod 6. The tension rod 8 is equipped with a tension ring 11. The axis of the tension rod 8, the main rotating rod 6, and the guide rings 9 are located on the same vertical plane. The tension rod 8 and the wire-feeding rod 7 are located on the same horizontal plane. There is an angle α between the tension rod 8 and the wire-feeding rod 7. The small cable 12 passes through the wire-feeding ring 10, the tension ring 11, and the two sets of guide rings 9 in sequence.

[0026] Further, see Figure 3 , 4 6. The side wall of the connecting sleeve 1 is provided with slots 13 at intervals. The fixing member 2 includes a fixing block 201, which is slidably installed in the slot 13. The two ends of the fixing block 201 are respectively provided with stop blocks 202. The pushing member 3 includes a pushing column 301. The first pushing part 4 is a conical pushing head provided on the pushing column 301 facing the connecting sleeve 1. The second pushing part 5 is an inclined surface provided on the fixing block 201 facing the conical pushing head.

[0027] Preferably, the connecting sleeve 1 is a hollow cylinder with one end open. An internal thread 14 is provided on the inner wall near the open end of the connecting sleeve 1, and a groove 13 is provided on the side wall near the closed end of the connecting sleeve 1, with the groove 13 located below the internal thread 14.

[0028] Preferably, a rubber layer is provided on the outer wall of the end of the fixing block 201 that protrudes from the slot 13.

[0029] Preferably, the width of the stop 202 is greater than the width of the slot 13.

[0030] Preferably, the outer wall of the push column 301 is provided with an external thread 15.

[0031] In the above configuration, the push column 301 and the connecting sleeve 1 are connected by threads. Before feeding the wire, the connecting sleeve 1 is placed into the hole 20 in the middle of the feeding reel 19. The push column 301 is rotated and moves downward under the action of the threads, so that the conical push head abuts against the inclined surface on the fixed block 201. As the push head moves downward, the fixed block 201 is pushed out of the slot 13 and abuts against the inner wall of the hole 20, thereby fixing the connecting sleeve 1 in the hole 20 on the feeding reel 19. The fixed block 201 has a moving space in the slot 13, so that the fixed block 201 can be stably connected with holes 20 of different inner diameters within its moving range, thereby connecting the entire feeding device with the feeding reel 19.

[0032] Further, see Figure 3 The outer wall of the connecting sleeve 1 is provided with stabilizing plates 16 at intervals, and the outer wall of the stabilizing plates 16 is provided with an anti-slip layer.

[0033] Preferably, three sets of stabilizing plates 16 are provided, and the three sets of stabilizing plates 16 are arranged circumferentially along the axis of the connecting sleeve 1.

[0034] Preferably, the anti-slip layer is made of rubber.

[0035] In the above configuration, when the connecting sleeve 1 is connected to the hole 20 on the pay-off reel 19, the stabilizing plate 16 is located on the end face of the pay-off reel 19, providing support for the entire pay-off device, making the connection between the connecting sleeve 1 and the pay-off reel 19 more stable.

[0036] Further, see Figure 3 , 5 The push column 301 is equipped with a bearing 17, and the rotating main rod 6 is fixedly connected to the bearing 17.

[0037] Preferably, the rotating main rod 6, the wire feeding rod 7, and the tension rod 8 are all made of hollow tubes.

[0038] Preferably, the push column 301 is provided with a groove 18, the bearing 17 is installed in the groove 18, and the rotating main rod 6 is fixedly connected to the inner ring of the bearing 17.

[0039] In the above configuration, a bearing 17 is provided between the rotating main rod 6 and the push column 301 to facilitate the rotation of the rotating main rod 6 along the push column 301. The hollow rotating main rod 6, the wire feeding rod 7, and the tension rod 8 can all reduce the overall weight. During the process of pulling the small cable 12, the required tension can be reduced, which facilitates the rotation of the rotating main rod 6.

[0040] Furthermore, referring to the figure, the two sets of guide rings 9 are coaxially arranged from top to bottom, and a right-angled triangular structure is formed between the rotating main rod 6, the tension rod 8, and the small cable 12 passing through the tension ring 11 and the guide ring 9.

[0041] Preferably, the rotation direction of the rotating main rod 6 is consistent with the laying direction of the small cable 12.

[0042] In the above setup, after the small cable 12 passes through the pay-off ring 10, the tension ring 11, and the two sets of guide rings 9, the small cable 12 located between the pay-off ring 10 and the tension ring 11 is in a horizontal state, the small cable 12 located between the tension ring 11 and the guide ring 9 is in an inclined state, and the small cable 12 located between the two sets of guide rings 9 is in a vertical state. During the process of pulling the small cable 12, the two sets of guide rings 9 ensure the laying direction of the small cable 12. The horizontal small cable 12 transmits the force to the guard ring, thereby driving the rotating main rod 6 to rotate and laying out the small cable 12 in sequence.

[0043] Further, see Figure 1 , 2 The guide ring 9, the line release ring 10, and the tension ring 11 are all hollow circular rings with a perfect circular cross-section.

[0044] Preferably, the guide ring 9, the wire release ring 10, and the tension ring 11 are formed by bending hollow stainless steel tubes.

[0045] In the above configuration, a hollow ring is used, which makes the overall weight light. At the same time, the contact area between the small cable 12 passing through the ring and the ring is small. The smooth surface of the ring guides the small cable 12. During the process of the small cable 12 passing through the guide ring 9, the release ring 10 and the tension ring 11, the friction is minimized. At the same time, during the process of the small cable 12 being pulled and the rotation of the main rod 6, the contact area and shape of the contact point with the small cable 12 are consistent, which facilitates the pulling and unfolding of the small cable 12.

[0046] In this embodiment, by placing the connecting sleeve 1 into the hole 20 of the pay-off reel 19 and rotating the push column 301 into the connecting sleeve 1, the fixing block 201 moves out of the connecting sleeve 1 and abuts against the inner wall of the hole 20, thereby fixing the entire device on the pay-off reel 19. The rotating main rod 6, the pay-off rod 7, and the tension rod 8 are all located on the pay-off reel 19. The ends of the pay-off rod 7 and the tension rod 8 are located at the edge of the pay-off reel 19. The small cable 12 is passed through the pay-off ring 10, the tension ring 11, and the two sets of guide rings 9 in sequence. During the process of pulling the small cable 12, the small cable 12 exerts a force on the pay-off ring 10, thereby causing the rotating main rod 6 to rotate and unwind the small cable 12 wound on the pay-off reel 19.

[0047] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A photovoltaic small cable laying device, characterized in that, include: The connecting assembly includes a connecting sleeve (1), a fixing member (2) movably disposed on the inner wall of the connecting sleeve (1), and a pushing member (3) disposed in the connecting sleeve (1) by a threaded connection; the pushing member (3) has a first pushing part (4) at one end facing the fixing member (2); the fixing member (2) has a second pushing part (5) at one end facing the pushing member (3); the pushing member (3) rotates under the action of an external force, so that the first pushing part (4) pushes the second pushing part (5), thereby causing the fixing member (2) to move away from the center of the connecting sleeve (1); The rotating assembly includes a rotating main rod (6) rotatably mounted on a pusher (3), a wire feeding rod (7) mounted on the rotating main rod (6), and a tension rod (8); two sets of guide rings (9) are spaced apart on the rotating main rod (6); the axis of the guide rings (9) is parallel to the axis of the rotating main rod (6); a wire feeding ring (10) is provided on the wire feeding rod (7); the wire feeding rod (7) is perpendicular to the rotating main rod (6); a tension ring (11) is provided on the tension rod (8), and the axes of the tension rod (8), the rotating main rod (6), and the guide rings (9) are located on the same vertical plane; the tension rod (8) and the wire feeding rod (7) are located on the same horizontal plane, and there is an angle α between the tension rod (8) and the wire feeding rod (7); the small cable (12) passes through the wire feeding ring (10), the tension ring (11), and the two sets of guide rings (9) in sequence.

2. The photovoltaic small cable laying device according to claim 1, characterized in that: The connecting sleeve (1) has slots (13) spaced apart on its side wall; the fixing member (2) includes a fixing block (201); the fixing block (201) is slidably installed in the slot (13), and the two ends of the fixing block (201) are respectively provided with stop blocks (202); the pushing member (3) includes a pushing column (301); the first pushing part (4) is a conical pushing head located at one end of the pushing column (301) facing the connecting sleeve (1); the second pushing part (5) is an inclined surface located at one end of the fixing block (201) facing the conical pushing head.

3. The photovoltaic small cable laying device according to claim 2, characterized in that: The outer wall of the connecting sleeve (1) is provided with stabilizing plates (16) spaced apart; the outer wall of the stabilizing plates (16) is provided with an anti-slip layer.

4. The photovoltaic small cable laying device according to claim 3, characterized in that: The push column (301) is provided with a bearing (17); the rotating main rod (6) is fixedly connected to the bearing (17).

5. A photovoltaic small cable laying device according to claim 4, characterized in that: The two sets of guide rings (9) are coaxially arranged from top to bottom; the rotating main rod (6), the tension rod (8), and the small cable (12) passing through the tension ring (11) and the guide ring (9) form a right-angled triangle structure.

6. A photovoltaic small cable laying device according to claim 5, characterized in that: The guide ring (9), the wire release ring (10), and the tension ring (11) are all hollow circular rings with a perfect circular cross-section.

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