Self-lubricating photovoltaic cable armoring layer production equipment

Abstract

The utility model provides a kind of self-lubricating photovoltaic cable armoring layer production equipment, including wire rod guiding structure, it includes rotating ring and slide bar, the inside of rotating ring is opened to limit hole, the inside of rotating ring is provided with lug, the one end of slide bar is provided with limit ball, the other end of slide bar is provided with positioning ring, the both ends of positioning ring are rotatably connected with wire feeding wheel, between two the wire feeding wheel is arc setting.The utility model design is reasonable, by the wire feeding wheel of multiple can be rotated being set, so that wire feeding wheel can clamp the cable in its inside, while the inside of wire feeding wheel is opened with arc groove, arc groove can be fully combined with the outer wall of cable, while cable after passing wire feeding groove, so that cable passes wire rod winding structure, so that wire rod winding structure is wound in the outer wall of cable with internal placement armoring layer, to realize even to cable conveying, and multiple armoring layer is wound on the outer wall of cable.

Description

Technical Field

[0001] This utility model mainly relates to the field of photovoltaic cables, specifically to a self-lubricating photovoltaic cable armor layer production equipment. Background Technology

[0002] With the increasing global demand for renewable energy, the photovoltaic (PV) power generation industry has experienced rapid development. PV power plants typically occupy large areas, and their power generation units (PV modules) need to be connected to combiner boxes and inverters via a large number of dedicated PV cables. These cables are exposed to the outdoor environment for extended periods, needing to withstand complex and harsh conditions such as ultraviolet radiation, high and low temperatures, ozone, and humidity, while also resisting mechanical damage from rodents (such as rats) and rock friction. Therefore, the DC-side cables of most PV power plants require an armored structure, meaning a layer of metal armor, usually galvanized steel wire or stainless steel wire, is wrapped around the cable insulation sheath to provide excellent mechanical protection.

[0003] During the operation of specific embodiments, the inventors discovered the following defects: During armor stranding, the metal wires need to be guided and wound through multiple guide rollers, stranding bows, and other components. Intense friction exists between the metal wires and equipment components, as well as between the metal wires themselves. This friction generates a large amount of heat and causes wear on the wire surface, not only reducing the service life of critical equipment components, but more seriously, the metal debris generated by the wear may contaminate the cable core, while the frictional heat may damage the cable's existing insulation and sheath layers, affecting the final product's electrical performance and long-term reliability.

[0004] It should be noted that the above content falls within the scope of the inventor's technical knowledge. Due to the vast and complex nature of the technical content in this field, the above content of this application does not necessarily constitute prior art. Utility Model Content

[0005] 1. The technical problem to be solved by the utility model: This invention provides a self-lubricating photovoltaic cable armor layer production equipment to solve the technical problems existing in the background art.

[0006] 2. Technical Solution: To achieve the above objectives, the technical solution provided by this utility model is as follows: a self-lubricating photovoltaic cable armor layer production equipment, including an installation structure, a wire clamping structure provided on one side of the installation structure, a wire winding structure rotatably connected to the other side of the installation structure, and a wire guiding structure provided inside the installation structure; The wire guiding structure includes a rotating ring and a sliding rod. The rotating ring has a limiting hole on its inner side and a protrusion on its inner side. One end of the sliding rod has a limiting ball, and the other end of the sliding rod has a positioning ring. The two ends of the positioning ring are rotatably connected to wire feeding wheels, and the two wire feeding wheels are arranged in an arc shape.

[0007] Furthermore, the mounting structure includes a mounting housing, a first mounting groove is provided inside the mounting housing, a guide groove is provided in the middle of the inner wall of the first mounting groove, the guide groove is slidably connected to the wire feeding wheel, an auxiliary strip is provided at the bottom of the mounting housing, a second mounting groove is provided at the top of the mounting housing, and a wire feeding groove is provided inside the mounting housing.

[0008] Furthermore, the wire clamping structure includes a rotating toothed ring and a moving block. The rotating toothed ring is rotatably connected to the bottom of the mounting housing. A rotating gear is provided on the inner side of the rotating toothed ring. The rotating gear is rotatably connected to the bottom of the mounting housing, and the rotating toothed ring meshes with the rotating gear.

[0009] Furthermore, the movable block has a positioning groove inside, which is slidably connected to the auxiliary strip, and a rack is provided on the outer wall of one side of the movable block, which meshes with a rotating gear.

[0010] Furthermore, the wire winding structure includes a rotating ring, a roller is provided on the inner side of the rotating ring, the roller is connected to a second mounting groove, a mounting ring is provided on the top of the rotating ring, and a U-shaped strip is provided on the inner side of the mounting ring.

[0011] Furthermore, the number of U-shaped strips is set to multiple, and the multiple U-shaped strips are arranged in a ring array inside the mounting ring.

[0012] 3. Beneficial effects: Compared with the prior art, the technical solution provided by this utility model has the following advantages: This utility model uses multiple rotatable wire feeding wheels to clamp the cable inside them. The inner side of the wire feeding wheel has an arc-shaped groove that can fully fit the outer wall of the cable. After the cable passes through the wire feeding groove, it passes through a wire winding structure. The wire winding structure wraps the internal armor layer around the outer wall of the cable, thereby achieving uniform cable delivery. Multiple armor layers are wrapped around the outer wall of the cable. This invention significantly reduces frictional heat and wear between the metal wire and equipment components through a self-lubricating wire feeder and rolling contact design, extending the equipment's lifespan. At the same time, it avoids contamination of the cable insulation layer by metal debris, improving the reliability and safety of photovoltaic cables. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional cross-sectional view of the installation structure of this utility model; Figure 3 This is a three-dimensional structural diagram of the wire winding structure of this utility model; Figure 4 This is a three-dimensional cross-sectional view of the wire clamping structure of this utility model. Figure 5 This is a three-dimensional structural diagram of the wire guiding structure of this utility model.

[0014] Figure label: 1. Installation structure; 101. Mounting housing; 102. First mounting groove; 103. Guide groove; 104. Second mounting groove; 105. Wire feeding groove; 2. Wire clamping structure; 201. Rotating gear ring; 202. Rotating gear; 203. Moving block; 204. Positioning groove; 205. Rack; 3. Wire guiding structure; 301. Rotating ring; 302. Limiting hole; 303. Protrusion; 304. Sliding rod; 305. Limiting ball; 306. Positioning ring; 307. Wire feeding wheel; 4. Wire winding structure; 401. Rotating ring; 402. Mounting ring; 403. U-shaped strip. Detailed Implementation

[0015] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0016] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0017] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0018] In this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "fixed," "provided with," and "located in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Example

[0019] See attached document Figure 1-5 A self-lubricating photovoltaic cable armor layer production equipment includes an installation structure 1, a wire clamping structure 2 is provided on one side of the installation structure 1, a wire winding structure 4 is rotatably connected to the other side of the installation structure 1, and a wire guiding structure 3 is provided inside the installation structure 1. The wire guiding structure 3 includes a rotating ring 301 and a sliding rod 304. The rotating ring 301 has a limiting hole 302 on its inner side and a protrusion 303 on its inner side. One end of the sliding rod 304 is provided with a limiting ball 305, and the other end of the sliding rod 304 is provided with a positioning ring 306. The two ends of the positioning ring 306 are rotatably connected to wire feeding wheels 307. The two wire feeding wheels 307 are arranged in an arc shape. After rotating the rotating ring 301, the rotating ring 301 drives the protrusion 303 to fit against the limiting ball 305. The limiting ball 305 drives the sliding rod 304 to slide on the inner wall of the guide groove 103, so that the inner side of the wire feeding wheel 307 fits against the outer wall of the cable. The cable can be fixed a second time by the multiple positioning rings 306.

[0020] Furthermore, the mounting structure 1 includes a mounting housing 101, with a first mounting groove 102 inside the mounting housing 101. A guide groove 103 is provided in the middle of the inner wall of the first mounting groove 102. The guide groove 103 is slidably connected to the wire feeding wheel 307. An auxiliary strip is provided at the bottom of the mounting housing 101. A second mounting groove 104 is provided at the top of the mounting housing 101. A wire feeding groove 105 is provided inside the mounting housing 101. When it is necessary to install an armor layer on the outer wall of the photovoltaic cable, the rolled armor roll is placed inside the wire winding structure 4 for fixing, and then the cable is passed through the wire feeding groove 105 inside the mounting housing 101.

[0021] Furthermore, the wire clamping structure 2 includes a rotating gear ring 201 and a moving block 203. The rotating gear ring 201 is rotatably connected to the bottom of the mounting housing 101. A rotating gear 202 is provided on the inner side of the rotating gear ring 201. The rotating gear 202 is rotatably connected to the bottom of the mounting housing 101, and the rotating gear ring 201 meshes with the rotating gear 202. A positioning groove 204 is provided inside the moving block 203, and the positioning groove 204 is slidably connected to the auxiliary strip. A rack 205 is provided on the outer wall of one side of the movable block 203. The rack 205 meshes with the rotating gear 202. Then, the rotating gear ring 201 is manually rotated, which drives the rotating gear 202 to rotate. The rotating gear 202 drives the positioning groove 204 inside the movable block 203 to slide on the outer wall of the auxiliary strip through the rack 205, so that multiple movable blocks 203 are in contact with each other. One side of the movable block 203 is in contact with the outer wall of the cable, fixing the cable in the middle position of the cable delivery groove 105.

[0022] Furthermore, the wire winding structure 4 includes a rotating ring 401, with a roller on the inner side of the rotating ring 401 connected to the second mounting groove 104. A mounting ring 402 is located at the top of the rotating ring 401, and a U-shaped strip 403 is located on the inner side of the mounting ring 402. Multiple U-shaped strips 403 are arranged in a circular array inside the mounting ring 402. A rolled armor layer is placed inside the U-shaped strips 403, and then one end of the armor layer is fixed to the cable. An external motor drives the rotating ring 401 to rotate, and the rotating ring 401, through the mounting ring 402, drives the inner U-shaped strips 403 to rotate around the cable. As the cable moves forward, the U-shaped strips 403 rotate with the rolled armor layer, causing the armor layer to be evenly wound around the outer wall of the cable.

[0023] Preparation: The rolled armor layer is placed on the U-shaped strip 403 of the wire winding structure 4 to ensure that the armor layer roll can rotate freely.

[0024] The photovoltaic cable passes through the cable delivery groove 105 of the mounting structure 1 and extends to one side of the wire winding structure 4.

[0025] Cable fixing and alignment: The rotating gear ring 201 of the wire clamping structure 2 is manually rotated, which drives the rotating gear 202 to rotate.

[0026] The rotating gear 202 drives the moving block 203 to slide along the auxiliary bar via the rack 205, causing multiple moving blocks 203 to move towards the center, clamp the cable and fix it at the center position of the cable delivery groove 105.

[0027] Cable guidance and self-lubricating adjustment: The rotating ring 301 of the rotating wire guide structure 3 pushes the limiting ball 305 through the protrusion 303, causing the slide rod 304 to slide along the guide groove 103.

[0028] The positioning ring 306 at the end of the slide bar 304 drives the wire feeding wheel 307 to close, and the arc-shaped wire feeding wheel 307 fits against the outer wall of the cable to form a uniform clamping.

[0029] Self-lubricating mechanism: The wire feed wheel 307 is made of self-lubricating material or has a solid lubricating pad embedded in the wheel groove. During rotation, it continuously releases lubricating medium to reduce friction and wear between the cable and the wheel body. This technology is prior art and will not be described in detail in this application. The cable feed wheel 307 is made of a self-lubricating material, such as polytetrafluoroethylene (PTFE) or oil-impregnated bronze, or has a microporous lubrication oil storage structure in the wheel groove. During rotation, it continuously releases lubricant, effectively reducing the coefficient of friction between the cable and the wheel body, reducing heat accumulation and metal debris generation, and achieving the 'self-lubricating' function.

[0030] Armor layer wrapping: One end of the armor layer is fixed to the outer wall of the cable.

[0031] Start the external motor to drive the rotating ring 401 of the wire winding structure 4 to rotate, which in turn drives the mounting ring 402 and the U-shaped strip 403 to revolve around the cable.

[0032] As the cable continues to be transported forward, the armor layer unwinds from the U-shaped strip 403 and spirals evenly around the outer wall of the cable to form the armor layer.

[0033] Complete and close the line: After the winding is completed, the armor layer is cut off, and the cable continues to move forward to the next process.

[0034] The equipment stops operating, the clamping and guiding structures are loosened, and preparation is made for the processing of the next cable.

[0035] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A self-lubricating photovoltaic cable armor layer production equipment, characterized in that: include The mounting structure (1) has a wire clamping structure (2) on one side and a wire winding structure (4) rotatably connected to the other side of the mounting structure (1). The mounting structure (1) also has a wire guiding structure (3) inside. The wire guiding structure (3) includes a rotating ring (301) and a slide rod (304). The rotating ring (301) has a limiting hole (302) on its inner side and a protrusion (303) on its inner side. One end of the slide rod (304) is provided with a limiting ball (305), and the other end of the slide rod (304) is provided with a positioning ring (306). The two ends of the positioning ring (306) are rotatably connected to wire feeding wheels (307), and the two wire feeding wheels (307) are arranged in an arc shape.

2. The self-lubricating photovoltaic cable armor layer production equipment according to claim 1, characterized in that: The mounting structure (1) includes a mounting housing (101), a first mounting groove (102) is provided inside the mounting housing (101), a guide groove (103) is provided in the middle of the inner wall of the first mounting groove (102), the guide groove (103) is slidably connected to the wire feeding wheel (307), an auxiliary strip is provided at the bottom of the mounting housing (101), a second mounting groove (104) is provided at the top of the mounting housing (101), and a wire feeding groove (105) is provided inside the mounting housing (101).

3. The self-lubricating photovoltaic cable armor layer production equipment according to claim 1, characterized in that: The wire clamping structure (2) includes a rotating toothed ring (201) and a moving block (203). The rotating toothed ring (201) is rotatably connected to the bottom of the mounting housing (101). A rotating gear (202) is provided on the inner side of the rotating toothed ring (201). The rotating gear (202) is rotatably connected to the bottom of the mounting housing (101). The rotating toothed ring (201) meshes with the rotating gear (202).

4. The self-lubricating photovoltaic cable armor layer production equipment according to claim 3, characterized in that: The movable block (203) has a positioning groove (204) inside, which is slidably connected to the auxiliary strip. A rack (205) is provided on the outer wall of one side of the movable block (203), and the rack (205) meshes with the rotating gear (202).

5. The self-lubricating photovoltaic cable armor layer production equipment according to claim 1, characterized in that: The wire winding structure (4) includes a rotating ring (401), a roller is provided on the inner side of the rotating ring (401), the roller is connected to the second mounting groove (104), a mounting ring (402) is provided on the top of the rotating ring (401), and a U-shaped strip (403) is provided on the inner side of the mounting ring (402).

6. The self-lubricating photovoltaic cable armor layer production equipment according to claim 5, characterized in that: The number of the U-shaped strips (403) is set to multiple, and the multiple U-shaped strips (403) are arranged in a ring array inside the mounting ring (402).

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