Photovoltaic power station cable threading protection sleeve

Abstract

The utility model relates to cable protection technical field discloses photovoltaic power plant cable threading protection sleeve pipe, including sheath lining, the inside of sheath lining is provided with threading mechanism, threading mechanism is used for to the quick threading of cable, the right -hand member of threading mechanism is provided with connecting mechanism, connecting mechanism is used for the convenience together with two protection sleeve pipe is connected, threading mechanism includes slide rail, the inside top of sheath lining is fixedly connected in the top of slide rail, the inside bottom of slide rail both sides are all slidingly connected with the pulley, the opposite side of two pulleys all is fixedly connected with the connecting block, the bottom of two connecting blocks all is fixedly connected with same fixed ring, in the utility model, through the clamp cable of clamp, utilize pulley on the slide of slide rail and drive the stable movement of cable, have realized the efficient convenient of cable threading operation, reduced manual operation time and labor intensity, improved cable threading efficiency.

Description

Technical Field

[0001] This utility model relates to the field of cable protection technology, and in particular to a cable conduit for photovoltaic power plants. Background Technology

[0002] In the field of photovoltaic power plants, cables are key components connecting photovoltaic modules, combiner boxes, inverters and step-up equipment. Since photovoltaic power plants are mostly built in open areas with abundant sunshine, cables are exposed to complex natural environments for a long time. They not only have to withstand ultraviolet radiation and wind and sand erosion, but also have to cope with extreme temperature changes. In order to ensure the safe and stable operation of cables, cable conduits for photovoltaic power plants have emerged and become an important device for cable protection.

[0003] Photovoltaic power station cable conduit is a tubular material specifically designed to wrap and protect cables. Its core function is to provide physical protection for cables, preventing mechanical damage and chemical corrosion, and isolating the cables from the influence of the external environment. In addition, the conduit can also standardize cable wiring, reduce mutual interference between cables, improve the overall safety and operation and maintenance efficiency of the power station, and ensure the long-term stable power generation of the photovoltaic power station.

[0004] Traditional cable sleeves have poor UV resistance. Prolonged exposure to sunlight can cause surface embrittlement, which can lead to cracking and compromise cable safety. Current technologies use laser etching or mold pressing to create a micron-level uneven structure on the sleeve surface, increasing UV scattering and reducing localized photoaging. However, when threading cables, manual dragging is required, which can cause jamming and tangling. This not only consumes a lot of time and manpower but also requires frequent adjustments, affecting the construction progress. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a protective sleeve for cable threading in photovoltaic power stations, which aims to improve the problem of difficulty in manually threading cables and the need for frequent adjustments that affect threading efficiency in the existing technology.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a protective sleeve for photovoltaic power station cables, including an inner sheath liner. A cable threading mechanism is provided on the inner side of the inner sheath liner for quickly threading the cable. A connecting mechanism is provided at the right end of the cable threading mechanism for easily connecting two protective sleeves together. The cable threading mechanism includes a slide rail. The top of the slide rail is fixedly connected to the top of the inner side of the inner sheath liner. Pulleys are slidably connected to the front and rear ends of the bottom inner side of the slide rail. Connecting blocks are fixedly connected to the opposite sides of the two pulleys. The bottom of the two connecting blocks is fixedly connected to the same fixing ring. A clamp is fixedly connected to the top inner side of the fixing ring. Bolts are threaded onto the front and rear sides of the outer wall of the fixing ring. A protective component is provided on the outer side of the inner sheath liner.

[0007] As a further description of the above technical solution:

[0008] The protective component includes a corrugated sleeve, the inner side of which is fixedly connected to the outer side of the sheath liner, and a wear-resistant sleeve is fixedly connected to the outer side of the corrugated sleeve.

[0009] As a further description of the above technical solution:

[0010] The connecting mechanism includes a threaded sleeve, the inner left side of which is threadedly connected to the outer right side of the wear-resistant sleeve. A filling tube is fixedly connected to the inner middle of the threaded sleeve, and a sealing ring is fixedly connected to the left end of the filling tube. A cable tray is slidably connected to the inner middle of the filling tube. A fixing component is provided at the outer middle of the wear-resistant sleeve, and an installation component is provided at the bottom of the fixing component.

[0011] As a further description of the above technical solution:

[0012] The fixing component includes a fixing seat, the top of which is fixedly connected to the bottom of the outer side of the wear-resistant sleeve. The front and rear ends of the top of the fixing seat are threaded with two bolts, and the outer top of the two bolts are slidably connected to the same arc-shaped pressure plate.

[0013] As a further description of the above technical solution:

[0014] The mounting assembly includes a mounting plate, the top of which is fixedly connected to the bottom of the mounting base, and mounting screws are threadedly connected to the four corners of the top of the mounting plate.

[0015] As a further description of the above technical solution:

[0016] The inner left side of the sheath liner has an annular groove, and multiple ball bearings are slidably connected inside the annular groove.

[0017] As a further description of the above technical solution:

[0018] A limit block is fixedly connected to the left end of the slide rail. The rear end of the first bolt on the front side passes through the front side of the fixing ring and is fixedly connected to the front side of the clamp. The front end of the first bolt on the rear side passes through the rear side of the fixing ring and is fixedly connected to the rear side of the clamp.

[0019] As a further description of the above technical solution:

[0020] The left end of the filling tube is slidably connected to the right end of the wear-resistant sleeve, and the left end of the sealing ring is fixedly connected to the right end of the inner lining of the sheath.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, by adjusting the bolt on the fixing ring to loosen the clamp, and then tightening the bolt after placing the cable, the cable is moved smoothly by the sliding connection of the pulley on the slide rail. At the same time, the corrugated sleeve enhances the flexibility and bending resistance, and the wear-resistant sleeve resists friction, thus realizing the high efficiency and convenience of cable threading operation, reducing manual operation time and labor intensity, and improving cable threading efficiency.

[0023] 2. In this utility model, the two sections of protective sleeve are quickly connected by the threaded sleeve and the wear-resistant sleeve. The filling tube is inserted into the wear-resistant sleeve to fill the gap and support the internal structure. The sealing ring fits the inner lining of the sheath to enhance waterproof and dustproof protection. The cable bracket arranges and fixes the cable, which realizes the firm connection and convenient installation of the protective sleeve, ensures the sealing of the connection part, prevents the intrusion of external liquids and dust, avoids the cable mess and crossover, and extends the service life of the sheath. Attached Figure Description

[0024] Figure 1 This is a front view of the photovoltaic power station cable conduit protection sleeve proposed in this utility model;

[0025] Figure 2 This is a perspective view of the photovoltaic power station cable conduit proposed in this utility model;

[0026] Figure 3 This is a cross-sectional view of the photovoltaic power station cable conduit protection sleeve proposed in this utility model;

[0027] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0028] Figure 5 This is a schematic diagram of the clamp structure of the photovoltaic power station cable threading protection sleeve proposed in this utility model.

[0029] Legend:

[0030] 1. Sheath liner; 2. Threading mechanism; 201. Slide rail; 202. Pulley; 203. Connecting block; 204. Fixing ring; 205. Clamp; 206. Bolt 1; 207. Protective component; 2071. Corrugated sleeve; 2072. Wear-resistant sleeve; 3. Connecting mechanism; 301. Threaded sleeve; 302. Filler tube; 303. Sealing ring; 304. Cable tray; 305. Fixing component; 3051. Fixing seat; 3052. Bolt 2; 3053. Arc-shaped pressure plate; 306. Mounting component; 3061. Mounting plate; 3062. Mounting screw; 4. Annular groove; 5. Ball bearing; 6. Limiting block. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 3 , Figure 4 and Figure 5 This utility model provides an embodiment of a photovoltaic power station cable threading protection sleeve, including an inner sheath liner 1. The inner sheath liner 1 provides basic protection, protecting the cable from minor external friction and impact. A threading mechanism 2 is provided on the inner side of the inner sheath liner 1. The threading mechanism 2 is used for quick cable threading, reducing manual operation time. A connecting mechanism 3 is provided at the right end of the threading mechanism 2. The connecting mechanism 3 is used to easily connect two protective sleeves together, realizing quick assembly and disassembly, facilitating cable maintenance and replacement. The threading mechanism 2 includes a slide rail 201. The top of the slide rail 201 is fixedly connected to the top of the inner side of the inner sheath liner 1, providing a sliding track for the pulleys 202 to ensure the smoothness of the threading process. The front and rear ends of the inner bottom of the slide rail 201 are slidably connected to pulleys 202. A connecting block 203 is fixedly connected to the opposite side of the two pulleys 202. The bottom of the two connecting blocks 203 is fixedly connected to the same fixing ring 20. 4. By sliding the pulley 202 on the slide rail 201, the fixed ring 204 and the cable connected thereto move smoothly, reducing the resistance to cable pulling and improving the efficiency of cable pulling. The top inner side of the fixed ring 204 is fixedly connected with a clamp 205 to securely hold the cable and prevent the cable from shaking or falling off during the cable pulling process. The front and rear sides of the outer wall of the fixed ring 204 are threaded with bolts 206. The clamp 205 can be fixed by tightening the bolts 206 to enhance the clamping force on the cable. The outer side of the sheath liner 1 is provided with a protective component 207. The protective component 207 includes a corrugated sleeve 2071. The inner side of the corrugated sleeve 2071 is fixedly connected to the outer side of the sheath liner 1. The corrugated structure enhances the flexibility and bending resistance of the sleeve to adapt to different installation environments and path requirements. The outer side of the corrugated sleeve 2071 is fixedly connected with a wear-resistant sleeve 2072 to resist the friction and wear of external objects and extend the service life of the protective sleeve.

[0033] Specifically, the inner sheath liner 1 serves as a basic protective layer, providing initial anti-friction and anti-impact protection for the internal cable, ensuring that the cable is protected from minor external damage during daily operation. When cable threading is required, the operator loosens the clamp 205 by adjusting bolt 206 on the fixing ring 204, places the cable inside the clamp 205, and then tightens bolt 206 again to securely hold the cable in place. Subsequently, the pulley 202 slides on the slide rail 201, driving the fixing ring 204 and the cable connected to it to move horizontally. Stable movement is achieved because the slide rail 201 is fixed to the top inner side of the sheath liner 1, and the sliding connection between the pulley 202 and the slide rail 201 effectively reduces frictional resistance, thereby significantly improving threading efficiency, reducing manual operation time and labor intensity. On the outside of the entire protective sleeve, the protective component 207 provides additional protection. The corrugated structure of the corrugated sleeve 2071 enhances the sleeve's flexibility and bending resistance, while the wear-resistant sleeve 2072 resists friction and wear from external objects, further extending the service life of the protective sleeve.

[0034] Reference Figure 1 , Figure 2 and Figure 3 The connecting mechanism 3 includes a threaded sleeve 301. The left side of the inner side of the threaded sleeve 301 is threadedly connected to the right side of the outer wall of the wear-resistant sleeve 2072. The threaded connection enables quick docking and a stable connection between the two protective sleeves, ensuring the sealing and mechanical strength of the connection. A filling tube 302 is fixedly connected to the middle of the inner side of the threaded sleeve 301. The filling tube 302 can fill gaps and support the internal structure. A sealing ring 303 is fixedly connected to the left end of the filling tube 302. The sealing ring 303 enhances the waterproof and dustproof performance of the connection, preventing the intrusion of external liquids and dust. A cable tray 304 is slidably connected to the middle of the inner side of the filling tube 302 for neatly arranging and fixing cables, preventing cables from tangling and crossing inside the sleeve. A fixing component 305 is provided at the middle of the outer side of the wear-resistant sleeve 2072. The fixing component 305 includes a fixing seat 3051. The top of the fixing seat 3051 is fixedly connected to... The outer bottom of the wear-resistant sleeve 2072 provides support for the entire connection mechanism 3, ensuring that it will not shift or shake during operation. The top front and rear ends of the fixed seat 3051 are threaded with bolts 3052. The outer top of the two bolts 3052 are slidably connected to the same arc-shaped pressure plate 3053. By tightening the bolts 3052, the arc-shaped pressure plate 3053 is pressed against the connection part to prevent the sleeve from loosening during use. The bottom of the fixed component 305 is provided with an installation component 306. The installation component 306 includes an installation plate 3061. The top of the installation plate 3061 is fixedly connected to the bottom of the fixed seat 3051. The four corners of the top of the installation plate 3061 are threaded with installation screws 3062. The entire protective sleeve can be installed in the required position through the installation plate 3061 and the installation screws 3062, making the installation process convenient and quick.

[0035] Specifically, when connecting two protective sleeve sections, the threaded sleeve 301 is first threadedly connected to the wear-resistant sleeve 2072 of the other protective sleeve. Tightening the threads allows for quick connection of the two protective sleeves, ensuring the sealing and mechanical strength of the connection. As the threaded sleeve 301 is screwed in, the left end of the filling tube 302 is simultaneously inserted into the right end of the wear-resistant sleeve 2072. The filling tube 302 not only fills the gap between the two protective sleeve sections but also provides support for the internal structure, enhancing the stability of the connection. Simultaneously, the sealing ring 303 fits tightly against the right end of the inner liner 1 of the protective sleeve, further enhancing the waterproof and dustproof properties of the connection. Yes, it effectively prevents external liquids and dust from entering, protecting the cable from environmental factors. After the cable is inserted into the connection part, the cable tray 304 slides in the middle to neatly arrange and fix the cable, avoiding the cable from crossing in the sleeve. The fixing seat 3051 is engaged with the arc-shaped pressure plate 3053 by bolt 3052. Tightening bolt 3052 makes the arc-shaped pressure plate 3053 press the connection part to prevent the sleeve from loosening during use. Finally, the entire protective sleeve is installed in the required position by the installation component 306. The operator only needs to screw the installation screw 3062 into the installation position to complete the entire installation process conveniently and quickly.

[0036] Reference Figure 3 , Figure 4 and Figure 5 An annular groove 4 is provided on the left side of the inner side of the sheath liner 1. The annular groove 4 facilitates the smooth sliding of the balls 5 inside. Multiple balls 5 are slidably connected inside the annular groove 4. Through the cooperation of the annular groove 4 and the balls 5, the frictional resistance can be reduced, making the cable slide more smoothly in the sheath liner 1. A limit block 6 is fixedly connected to the left end of the slide rail 201 to limit the sliding range of the pulley 202 and prevent the pulley 202 from detaching from the slide rail 201. The rear end of the front bolt 206 passes through the front side of the fixing ring 204 and is fixedly connected to the front side of the clamp 205. The front end of the rear bolt 206 passes through the rear side of the fixing ring 204 and is fixedly connected to the front side of the clamp 205. The rear fixed connection of 05 is achieved by bolt 206 to realize the stable connection between clamp 205 and fixed ring 204. The tightness of clamp 205 can be adjusted according to the cable diameter to ensure that the cable is firmly clamped and prevent the cable from loosening or shifting during the cable threading process. The left end of filling tube 302 is slidably connected to the right end of wear-resistant sleeve 2072, so that filling tube 302 can be smoothly inserted into wear-resistant sleeve 2072 when the two protective sleeves are connected. The left end of sealing ring 303 is fixedly connected to the right end of sheath liner 1, which effectively prevents moisture, dust and other impurities from entering the sleeve, protects the cable from the corrosion of external environmental factors and extends the service life of the cable.

[0037] Specifically, when the cable is threaded into the inner sheath liner 1, the cable contacts the ball bearing 5. The annular groove 4 provides a sliding track for the ball bearing 5, allowing it to slide smoothly inside. Through the cooperation of the annular groove 4 and the ball bearing 5, the frictional resistance between the cable and the inner sheath liner 1 is reduced, making the cable slide more smoothly within the inner sheath liner 1. During the threading process, the limiting block 6 restricts the sliding range of the pulley 202, preventing the pulley 202 from detaching from the slide rail 201 and ensuring the stable operation of the threading mechanism 2. The operator tightens the bolts 206 on the front and rear sides to engage the clamp 205 with the fixing ring 2. 04. Secure connection. The tightness of the clamp 205 can be adjusted according to the cable diameter to ensure that the cable is firmly clamped and to prevent the cable from loosening or shifting during the threading process. When the threaded sleeve 301 is rotated and installed, the left end of the filling tube 302 is slidably connected to the right end of the wear-resistant sleeve 2072, so that the filling tube 302 can be smoothly inserted into the wear-resistant sleeve 2072 when the two protective sleeves are connected. At this time, the filling tube 302 and the inner lining of the sheath 1 squeeze the sealing ring 303 to prevent moisture, dust and impurities from entering the inside of the sleeve, protect the cable from the corrosion of external environmental factors and extend the service life of the cable.

[0038] Working principle: When performing cable threading, first loosen the clamp 205 by adjusting the bolt 206 on the fixing ring 204, place the cable inside the clamp 205, and then tighten the bolt 206 to securely clamp the cable. Since the slide rail 201 is fixed to the top of the inner side of the sheath liner 1, the pulley 202 forms a sliding connection with the slide rail 201. At this time, push the fixing ring 204, and the pulley 202 slides on the slide rail 201 to drive the cable to move smoothly. This sliding connection reduces frictional resistance and improves threading efficiency. During this process, the sheath liner 1, as the basic protective layer, provides the cable with initial anti-friction and anti-impact protection. The corrugated sleeve 2071 in the protection component 207 enhances the sleeve's flexibility and bending resistance through its corrugated structure, and the wear-resistant sleeve 2072 resists external friction and wear, providing additional protection for the cable.

[0039] Furthermore, when connecting two protective sleeve sections, the threaded sleeve 301 is first threadedly connected to the wear-resistant sleeve 2072 of the other protective sleeve. Tightening the threads enables quick connection, ensuring the sealing and mechanical strength of the connection. As the threaded sleeve 301 is screwed in, the left end of the filling tube 302 is simultaneously inserted into the right end of the wear-resistant sleeve 2072, filling the gap between the two protective sleeve sections and providing support for the internal structure to enhance connection stability. Simultaneously, the sealing ring 303 tightly fits against the right end of the inner liner 1 of the protective sleeve, further strengthening the connection. The cable tray 304 is designed to be waterproof and dustproof to prevent the intrusion of external liquids and dust. After the cable is inserted into the connection point, the cable tray 304 slides in the middle to neatly arrange and fix the cable, preventing the cable from crossing in the sleeve. Then, the fixing seat 3051 is engaged with the arc-shaped pressure plate 3053 by bolt 3052. Tightening bolt 3052 makes the arc-shaped pressure plate 3053 press the connection point to prevent the sleeve from loosening. Finally, the protective sleeve is installed in the required position by the installation component 306. The operator can complete the installation by screwing the installation screw 3062 into the installation position.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 protective sleeve for photovoltaic power station cable conduit, including an inner sheath (1), characterized in that: The inner side of the sheath liner (1) is provided with a threading mechanism (2), which is used to quickly thread the cable. The right end of the threading mechanism (2) is provided with a connecting mechanism (3), which is used to easily connect the two protective sleeves together. The threading mechanism (2) includes a slide rail (201). The top of the slide rail (201) is fixedly connected to the top of the inner side of the sheath liner (1). The bottom front and rear ends of the inner side of the slide rail (201) are slidably connected to pulleys (202). The two pulleys (202) are fixedly connected to the opposite sides of each other. The bottom of the two connecting blocks (203) is fixedly connected to the same fixing ring (204). The top of the inner side of the fixing ring (204) is fixedly connected to a clamp (205). The front and rear sides of the outer wall of the fixing ring (204) are threaded with bolts (206). The outer side of the sheath liner (1) is provided with a protective component (207).

2. The photovoltaic power station cable conduit according to claim 1, characterized in that: The protective component (207) includes a corrugated sleeve (2071), the inner side of which is fixedly connected to the outer side of the sheath liner (1), and a wear-resistant sleeve (2072) is fixedly connected to the outer side of the corrugated sleeve (2071).

3. The photovoltaic power station cable conduit according to claim 2, characterized in that: The connecting mechanism (3) includes a threaded sleeve (301), the inner left side of which is threaded to the right side of the outer wall of the wear-resistant sleeve (2072), a filling tube (302) is fixedly connected to the middle of the inner side of the threaded sleeve (301), a sealing ring (303) is fixedly connected to the left end of the filling tube (302), a cable tray (304) is slidably connected to the middle of the inner side of the filling tube (302), a fixing component (305) is provided at the middle of the outer side of the wear-resistant sleeve (2072), and an installation component (306) is provided at the bottom of the fixing component (305).

4. The photovoltaic power station cable conduit according to claim 3, characterized in that: The fixing component (305) includes a fixing seat (3051), the top of which is fixedly connected to the bottom of the outer side of the wear-resistant sleeve (2072). The front and rear ends of the top of the fixing seat (3051) are threaded with bolts (3052), and the top of the two bolts (3052) are slidably connected to the same arc-shaped pressure plate (3053).

5. The photovoltaic power station cable conduit according to claim 3, characterized in that: The mounting assembly (306) includes a mounting plate (3061), the top of which is fixedly connected to the bottom of the mounting base (3051), and mounting screws (3062) are threadedly connected to the four corners of the top of the mounting plate (3061).

6. The photovoltaic power station cable conduit according to claim 1, characterized in that: The inner left side of the sheath liner (1) is provided with an annular groove (4), and multiple balls (5) are slidably connected inside the annular groove (4).

7. The photovoltaic power station cable conduit according to claim 1, characterized in that: The left end of the slide rail (201) is fixedly connected to a limiting block (6), the rear end of the front bolt (206) passes through the front side of the fixing ring (204) and is fixedly connected to the front side of the clamp (205), and the front end of the rear bolt (206) passes through the rear side of the fixing ring (204) and is fixedly connected to the rear side of the clamp (205).

8. The photovoltaic power station cable conduit according to claim 3, characterized in that: The left end of the filling tube (302) is slidably connected to the right end of the wear-resistant sleeve (2072), and the left end of the sealing ring (303) is fixedly connected to the right end of the sheath liner (1).

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