A device for enhancing the stability of collector line joints

Abstract

This invention discloses a device for enhancing the stability of a power line joint, relating to the field of power line joint enhancement technology. It includes a base, a connecting rod, and a terminal block. The connecting rod, measuring 200mm x 26mm x 10mm, is located on one side of the base. The terminal block is located on the side of the connecting rod away from the base. The device is gently slipped onto the cable, and then the cable core is carefully inserted into the cable tray, ensuring complete alignment for optimal electrical connection. Next, the terminal block is accurately placed above the core, and the M8 nut and M8 locking bolt are tightened to securely hold the core in place, preventing loosening or detachment. The device limits significant cable sway at the joint, reducing stress concentration and preventing breakage, strand breakage, and unraveling due to stress concentration.

Description

Technical Field

[0001] This invention relates to the field of strengthening the field of power line joint technology, specifically to a device for strengthening the stability of power line joints. Background Technology

[0002] Currently, the vigorous promotion of new energy sources has led to a rapid increase in the installed capacity of wind power generation. This trend has not only driven the demand for wind power generation equipment, but also prompted a continuous increase in the number of box-type transformers installed to support it. As one of the key components of the wind power generation system, the box-type transformer is mainly responsible for the voltage boosting and transmission of electricity, ensuring that the power can be efficiently delivered to the power grid.

[0003] In transformer substations, high-voltage down conductors and disconnecting switches are components that connect generators and transformers. However, broken or scattered strands often occur at the connection between the high-voltage down conductors and disconnecting switches, which increases the system failure rate, reduces safety performance, and thus continuously affects the stability of the power system. This also causes problems for wind farms and ultimately affects the stable operation of the entire power system. Summary of the Invention

[0004] The purpose of this invention is to provide a device for enhancing the stability of a collector line joint, thereby solving the problem of strand breakage and unraveling that is prone to occur in enhanced collector line joints as mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a device for enhancing the stability of a collector line connector, comprising a base, a connecting rod, and a terminal block. A connecting rod is provided on one side of the base, the connecting rod having dimensions of 200mm x 26mm x 10mm. A terminal block is provided on the side of the connecting rod away from the base. M12 locking bolts are used to connect the connecting rod to the base and the terminal block respectively. Through holes matching the M12 locking bolts are provided inside the base, the connecting rod, and the terminal block, and the through holes are symmetrically distributed inside the base, the connecting rod, and the terminal block.

[0006] Preferably, a first washer is fitted onto the surface of the M12 locking bolt, and an M12 nut is threaded onto the end of the M12 locking bolt near the first washer.

[0007] Preferably, a pressure plate is provided at one end of the terminal block, and a preventive device is provided on the side of the terminal block away from the connecting rod.

[0008] Preferably, an M8 locking bolt is used to connect one end of the terminal block to the pressure plate and the prevention device.

[0009] Preferably, the M8 locking bolts are symmetrically distributed at the bottom of the terminal block, and each M8 locking bolt is fitted with a second washer.

[0010] Preferably, one end of each M8 locking bolt is threaded with an M8 nut.

[0011] Compared with the prior art, the beneficial effects of this invention are as follows: This device for enhancing the stability of a collector line joint first requires careful inspection of the cable surface to ensure it is smooth and undamaged, free of sharp objects or foreign objects that could affect the installation. Then, the device is slowly slipped onto the cable, ensuring a smooth and even sliding motion. During installation, care must be taken to control the force applied to avoid excessive stretching or compression that could deform the device. Next, the cable core is carefully inserted into the cable tray, ensuring complete alignment for optimal electrical connection. Then, the pressure plate is accurately placed above the core, and the M8 nut and M8 locking bolt are tightened. Simultaneously, the M8... During the tightening of the bolts, apply force evenly to ensure that the clamping plate can firmly and reliably fix the wire core, preventing the wire core from loosening or falling off. At the same time, the preventive device to be installed on the cable should be fixed in advance with M8 locking bolts. When fixing, force should also be applied evenly to ensure that the preventive device is firmly fixed to the terminal block. Next, the base, connecting rod and terminal block can be tightened with M12 locking bolts and M12 nuts. Finally, the transformer disconnect switch contacts are reliably fixed with M12 locking bolts and M12 nuts. Even force should be applied during installation to ensure a stable connection. This not only effectively prevents loosening during operation, but also ensures the stability and reliability of the electrical connection, thereby improving the safety and performance of the overall system. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0013] Figure 2 This is an exploded view of the present invention.

[0014] Figure 3 This is a three-dimensional structural diagram of the present invention showing the direct connection between the base and the wiring board;

[0015] Figure 4 This is a three-dimensional structural diagram of the wiring board of the present invention;

[0016] Figure 5 This is a schematic diagram of the process of the present invention.

[0017] In the diagram: 1. Base; 2. Connecting rod; 3. Terminal block; 4. M12 locking bolt; 5. First washer; 6. M12 nut; 7. Pressure plate; 8. Preventive device; 9. M8 locking bolt; 10. Second washer; 11. M8 nut. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Please see Figures 1-5This invention provides a technical solution: a device for enhancing the stability of a current collector line connector, comprising a base 1, a connecting rod 2, and a terminal block 3. The connecting rod 2 is provided on one side of the base 1. The base 1 is mounted on a 170mm × 80mm × 10mm aluminum plate, with the 80mm × 10mm surface serving as the upper and lower reference surfaces, and the 170mm × 80mm surface as the left reference surface. Sheet metal processing is performed at a distance of 90mm from the lower reference surface, bending the plate downwards by 60° to form two parts. In the first part, a section is located 15mm from the left reference surface... Holes with a diameter of 13.2mm are machined with centers at 15mm and 55mm on the lower datum surface. A mirror image is then created at the center of the lower datum surface, forming four holes. Two corners are then rounded with a radius of 10mm. In the second part, extending from the center of the upper datum surface, holes with a diameter of 13.2mm are machined with centers at 15mm and 40mm on the upper datum surface. Two corners are chamfered at a 60° angle, 30mm from the left datum surface. The resulting chamfered edges are then rounded with a radius of 10mm. The holes are then positioned at the center of the upper datum surface. The positions are mirrored to form symmetrical parts. The dimensions of the connecting rod 2 are 200mm x 26mm x 10mm. A wiring plate 3 is provided on the side of the connecting rod 2 away from the base 1. The wiring plate 3 is on a 140mm x 80mm x 10mm plate, with the 80mm x 10mm surface as the reference surface, divided into a left reference surface and a right reference surface. The 140mm x 80mm surface is the upper reference surface, forming symmetrical parts. Holes with a diameter of 13.2mm are machined at the center of the left reference surface at distances of 15mm and 40mm, respectively. Holes at the two corners are also machined. Perform chamfering at a 72° angle, 25mm from the upper reference surface. After chamfering, fillet the resulting edges with a 20mm radius. Machine a hole with a diameter of 15mm and a depth of 58mm, centered at the 80mm edge of the right reference surface. Then, machine a hole with a diameter of 41mm and a depth of 20mm, centered at the center of the right reference surface. Machine a hole with a diameter of 8.8mm, centered at points 10mm from both the upper and right reference surfaces. Finally, machine holes with diameters of 8mm and 8.8mm, centered at points 15mm from the upper reference surface, 30mm from the right reference surface, and 50mm from the right reference surface.An 8mm hole is provided. M12 locking bolts 4 are used to connect the connecting rod 2 to the base 1 and the terminal block 3 respectively. Through holes matching the M12 locking bolts 4 are provided inside the base 1, connecting rod 2, and terminal block 3, and these through holes are symmetrically distributed inside the base 1, connecting rod 2, and terminal block 3. A first washer 5 is fitted onto the surface of the M12 locking bolt 4. An M12 nut 6 is threaded onto the end of the M12 locking bolt 4 near the first washer 5. A wire clamping plate 7 is provided at one end of the terminal block 3. The wire clamping plate 7 is located on an 80mm x 40mm x 10mm plate, with the 80mm x 40mm surface as the upper reference surface and the 40mm x 10mm surface as the left reference surface. For the component, holes with a diameter of 8.8mm are machined at positions 15mm from the left reference surface, 10mm from the upper reference surface, and 30mm from the upper reference surface. Simultaneously, a mirror image operation is performed at the center of the upper reference surface, forming a total of four such holes. A 30mm x 1.15mm x 1mm equilateral triangular prism is machined at the center of the edge of the upper reference surface. This prism should be parallel to the upper reference surface and evenly distributed on the plate. A preventive device 8 is provided on the side of the terminal block 3 away from the connecting rod 2. An M8 locking bolt 9 is used to connect one end of the terminal block 3 to the pressure plate 7 and the preventive device 8. The M8 locking bolts 9 are symmetrically distributed at the bottom of the terminal block 3. A second washer 10 is fitted onto the surface of each M8 locking bolt 9, and an M8 nut 11 is threaded onto one end of each M8 locking bolt 9.

[0020] In practice,

[0021] See Figures 1-5It is understood that, firstly, when installing the preventive device 8 onto the high-voltage downlead cable, the cable surface must be carefully inspected to ensure it is smooth and undamaged, and that there are no sharp objects or foreign objects that could affect the installation of the device. Then, the preventive device 8 is slowly slipped onto the cable, ensuring it slides into place evenly and smoothly. During installation, care must be taken to control the force applied to avoid excessive stretching or compression that could deform the preventive device 8. Next, the cable core is carefully inserted into the cable tray, ensuring the core is perfectly aligned with the tray for optimal electrical connection. Then, the clamping plate 7 is accurately placed above the core, and the M8 nut 11 and M8 locking bolt 9 are tightened. During tightening of the M8 locking bolt 9, force should be applied evenly to ensure... The pressure-holding plate 7 can firmly and reliably fix the wire core, preventing the wire core from loosening or falling off. At the same time, the preventive device 8, which is installed on the cable, is fixed in advance with M8 locking bolts 9. During fixing, the force should also be applied evenly to ensure that the preventive device 8 is firmly fixed on the terminal block 3. Secondly, the base 1, connecting rod 2 and terminal block 3 can be tightened with M12 locking bolts 4 and M12 nuts 6. Finally, the M12 locking bolts 4 and M12 nuts 6 are used to reliably fix the transformer disconnect switch contacts. During installation, the force is evenly applied to ensure a stable connection. This not only effectively avoids loosening during operation, but also ensures the stability and reliability of the electrical connection, thereby improving the safety and performance of the overall system.

[0022] Base 1 is used to connect other components of the transformer substation disconnect switch to ensure the overall structural stability. Connecting rod 2 connects base 1 to terminal block 3, providing flexibility to adapt to different application scenarios. Terminal block 3 is connected to base 1 via M12 locking bolts 4 and connecting rod 2. A cable tray is specially designed at the wiring location, and a position is reserved for installing a swing device. This design ensures that cables or flexible components can be firmly and reliably fixed, thereby significantly improving the stability and safety of the system. The cable tray not only simplifies the installation and maintenance process but also effectively prevents cable movement and avoids faults caused by poor contact. In this way, the system is not only safer and more reliable but also exhibits higher efficiency and durability in practical applications. Wire clamp 7 is used in conjunction with terminal block 3 to fix cables or other flexible components, preventing them from loosening or being damaged. Preventive device 8 is used to limit the large swing of the cable line at the joint, thereby reducing stress concentration and preventing line breakage, strand breakage, and strand unraveling caused by stress concentration.

[0023] The preventive device 8 is manufactured using 3D printing technology, and the material selected is thermoplastic polyester elastomer. The modeling steps are as follows:

[0024] Step 1: Draw an 80mm x 20mm rectangle on the top reference plane and stretch it by 20mm along the Z-axis;

[0025] Step 2: On the same top-view reference plane, draw two concentric rings with an inner diameter of 30mm and an outer diameter of 40mm. The center of the rings coincides with the center of the rectangle in Step 1, and they are stretched by 20mm along the Z-axis.

[0026] Step 3: On the stretch platform, draw a circle with a diameter of 30mm, and with its center as the center, draw a rectangle of 20mm x 11mm on the left edge. Use the stretch cut command to cut the rectangle from one side to the other.

[0027] Step 4: On the front reference plane, draw a circle with the center at a point 10mm from the left edge and 10mm from the top edge. Then use the Extrude Cut command to cut a hole at the position of the circle.

[0028] Step 5: Mirror the operations in steps 3 and 4 according to the right view reference plane;

[0029] Step 6: Using the center of the stretching platform as the center, draw a circle with a radius of 40mm. Then, draw a spiral line with a height of 150mm and a pitch of 10mm inside the circle. Draw a circle with a diameter of 5mm on the right reference plane, ensuring that the spiral line penetrates the circle. Finally, use the sweep command to generate the final spiral structure.

[0030] Example 1:

[0031] When the reserved length of the high-voltage down conductor is long or just right, the connecting rod 2 in the device can be omitted, and the terminal block 3 can be directly connected to the base 1 through the M12 locking bolt 4. This design simplifies the installation steps, reduces unnecessary parts, and improves the overall stability and reliability of the system. In addition, the direct connection method can reduce contact resistance, reduce energy loss, and enhance the safety and efficiency of electrical connection. Such improvements not only make the device more concise and beautiful, but also significantly improve its maintenance convenience and service life.

[0032] Example 2:

[0033] When the reserved length of the high-voltage down conductor is short, the requirement can be met by adding a connecting rod 2 to ensure the normal operation of the system. The design of adding a connecting rod 2 not only solves the problem caused by space constraints, but also maintains the flexibility and adjustability of the system. This method can effectively avoid connection difficulties caused by insufficient down conductor length, while ensuring the safety and stability of electrical connections. It can also facilitate subsequent maintenance and adjustment, improve the reliability and adaptability of the system, and make the whole system more flexible, reliable and easy to maintain.

[0034] In summary, the transformer substation, as a key component of the wind power generation system, is mainly responsible for boosting and transmitting electricity, ensuring that electrical energy can be efficiently delivered to the power grid. The preventative device 8 is slowly slipped onto the cable, and then the cable core is carefully inserted into the cable tray, ensuring complete alignment between the core and the tray for optimal electrical connection. Next, the pressure plate 7 is accurately placed above the core, and the M8 nut 11 and M8 locking bolt 9 are tightened to ensure the pressure plate 7 firmly and reliably secures the core, preventing loosening or detachment. The preventative device 8 limits the large swing of the cable line at the joint, thereby reducing stress concentration and preventing line breakage, strand breakage, and strand unraveling caused by stress concentration. Content not described in detail in this specification is prior art known to those skilled in the art.

[0035] Although the present invention 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 invention should be included within the protection scope of the present invention.

Claims

1. A device for enhancing the stability of a collector line connector, comprising a base (1), a connecting rod (2), and a terminal block (3), characterized in that: A connecting rod (2) is provided on one side of the base (1). The connecting rod (2) has a size of 200mm x 26mm x 10mm. A terminal block (3) is provided on the side of the connecting rod (2) away from the base (1). M12 locking bolts (4) are used to connect the connecting rod (2) to the base (1) and the terminal block (3) respectively. Through holes matching the M12 locking bolts (4) are opened inside the base (1), the connecting rod (2) and the terminal block (3), and the through holes are symmetrically distributed inside the base (1), the connecting rod (2) and the terminal block (3).

2. The device for enhancing the stability of a current collector line joint according to claim 1, characterized in that: The surface of the M12 locking bolt (4) is fitted with a first washer (5), and the end of the M12 locking bolt (4) near the first washer (5) is threaded with an M12 nut (6).

3. The device for enhancing the stability of a current collector line joint according to claim 1, characterized in that: One end of the terminal block (3) is provided with a wire clamping plate (7), and a preventive device (8) is provided on the side of the terminal block (3) away from the connecting rod (2).

4. The device for enhancing the stability of a current collector line joint according to claim 3, characterized in that: An M8 locking bolt (9) is used to connect one end of the terminal block (3) through the pressure plate (7) and the prevention device (8).

5. The device for enhancing the stability of a current collector line joint according to claim 4, characterized in that: The M8 locking bolts (9) are symmetrically distributed at the bottom of the terminal block (3), and the surface of each M8 locking bolt (9) is fitted with a second washer (10).

6. The device for enhancing the stability of a current collector line joint according to claim 5, characterized in that: One end of each M8 locking bolt (9) is threaded with an M8 nut (11).

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