A power distribution network line de-icing device

Abstract

The utility model discloses a distribution network line deicing device, including the frame of inverted U type, the two upper drive wheels of rotation setting in the inner wall of frame, the support of vertical movable displacement is set up below the upper drive wheel, two lower drive wheels are rotationally arranged on the support, the motor no.

Description

Technical Field

[0001] This utility model relates to the field of power distribution line technology, specifically to a power distribution line de-icing device. Background Technology

[0002] With the continuous development of power systems, distribution networks play a vital role in providing a stable and reliable power supply for people's production and daily life. However, in cold climates, distribution network lines often face the problem of icing, which poses a serious threat to the safe operation of the power system.

[0003] This device uses a mechanical de-icing method that directly breaks, removes, or vibrates the ice layer through physical means, causing it to detach from the surface of the object being de-iced. Common methods include the following:

[0004] Impact-based methods: such as drone de-icing, involve suspending a heavy object below the drone to strike the power transmission line, causing the line to vibrate and the ice and snow to fall off instantly. Controlling the impact force and angle is difficult: too strong an impact damages the line, while too weak an impact is ineffective. Operators must master both "drone flight control" (obstacle avoidance, hovering, and rope length adjustment) and "line safety knowledge" (judging wire voltage and safe distance). Novices require 3-6 months of training to operate independently. In case of emergencies (such as drone malfunction or rope entanglement in the power line), a rapid response is required (such as cutting the rope or emergency landing), otherwise the drone may crash or the power line may malfunction.

[0005] Cutting and Crushing Type: Partial De-icing. This device uses mechanical methods such as impact, hammering, and crushing to carry out de-icing operations. Through the coordinated operation of components such as de-icing hammers and de-icing blades, the ice is impacted and broken, and approximately 20 meters of ice can be cleared per minute. However, the difference in cable diameter makes it difficult for the crushing components (de-icing hammers, blades, crushing wheels) to form a "good fit", which easily leads to problems such as "small diameter cables being missed and large diameter cables getting stuck or damaged". Utility Model Content

[0006] (a) Technical problems to be solved

[0007] To address the shortcomings of existing technologies, this utility model provides a de-icing device for power distribution lines, which solves the problems mentioned in the background section.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution: a de-icing device for power distribution lines, comprising an inverted U-shaped frame, two upper drive wheels rotatably mounted on the inner wall of the frame, and a vertically movable support mounted below the upper drive wheels. Two lower drive wheels are rotatably mounted on the support. A motor is fixedly mounted on the outer wall of the frame, and the motor is coaxially and fixedly connected to one of the upper drive wheels. An adjustment assembly is provided at the end of the frame, and two symmetrically distributed traction bars are provided on the adjustment assembly. A motor is fixedly mounted at the end of each traction bar, and a crushing wheel is fixedly connected to the output end of the motor.

[0010] Preferably, the adjustment assembly includes two supports fixedly connected to the outer wall of the frame, a bidirectional screw is rotatably inserted between the two supports, a limit rod is fixedly connected between the two supports, the traction bar is threaded onto the bidirectional screw, the limit rod is movably inserted through the traction bar, and a second motor is fixedly installed on the outer wall of the frame and coaxially fixedly connected to the bidirectional screw.

[0011] Preferably, a plurality of equally spaced flanges are fixedly connected to the circumferential sidewall of the crushing wheel, and a plurality of circumferentially distributed crushing rods are fixedly connected to the planar sidewall of the crushing wheel.

[0012] Preferably, an electric push rod is fixedly installed on the outer side wall of the frame, and a slider is fixedly connected to the output end of the electric push rod. An opening is provided on the side wall of the frame, and the end of the slider is fixedly connected to the bracket.

[0013] Preferably, at least two guide rods are fixedly connected to the bottom end of the slider, and a positioning block is fixedly connected to the side wall of the frame, with the lower end of the guide rod movably passing through the positioning block.

[0014] Preferably, at least two lugs are fixedly connected to the top of the frame.

[0015] (III) Beneficial Effects

[0016] This utility model provides a de-icing device for power distribution lines, which has the following beneficial effects:

[0017] 1. In this utility model, the distance between the two crushing wheels can be adjusted by the adjustment component, so that the crushing wheels can contact the ice surface as much as possible during operation, thereby improving the ice-breaking effect. This avoids both excessive distance leading to ice leakage (residual ice layer) and insufficient distance causing the crushing wheels to directly rub against the cable (damaging the aluminum strands). Ultimately, "precise contact" improves ice-breaking efficiency and safety. Furthermore, by starting the motor, the crushing wheels are driven to rotate, and the flange and crushing rod on the surface of the crushing wheels rotate synchronously, so that the crushing rod and flange contact the ice body to carry out the ice-breaking work.

[0018] 2. In this invention, the cable is located between the upper and lower drive wheels, limiting the overall offset of the device and ensuring that the travel trajectory coincides with the cable. When motor one is started, it drives one of the upper drive wheels to rotate, thereby enabling the device to travel along the cable and achieving continuous ice-breaking work, avoiding efficiency loss due to intermittent operation. Attached Figure Description

[0019] Figure 1 This is a front-view three-dimensional structural diagram of a de-icing device for power distribution lines proposed in this utility model;

[0020] Figure 2 This is a rear-view perspective view of a de-icing device for power distribution lines proposed in this utility model.

[0021] Figure 3 for Figure 2 Enlarged structural diagram at point A;

[0022] Figure 4 for Figure 2 Enlarged structural diagram at point B;

[0023] Figure 5 This is a cross-sectional structural diagram of a de-icing device for power distribution lines proposed in this utility model.

[0024] In the diagram: 1. Frame; 101. Opening; 2. Upper drive wheel; 3. Motor 1; 4. Bracket; 5. Lower drive wheel; 6. Slider; 7. Electric push rod; 8. Guide rod; 9. Positioning block; 10. Lifting lug; 11. Support; 12. Double-acting screw; 13. Limiting rod; 14. Motor 2; 15. Traction bar; 16. Crushing wheel; 17. Flange; 18. Crushing rod; 19. Motor 3; 20. Protective cover; 21. Cable. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Please see Figure 1 , Figure 2 and Figure 5This utility model provides a technical solution: a de-icing device for power distribution lines, including an inverted U-shaped frame 1, two upper drive wheels 2 rotatably mounted on the inner wall of the frame 1, and a vertically movable support 4 located below the upper drive wheels 2. Two lower drive wheels 5 are rotatably mounted on the support 4. A motor 3 is fixedly installed on the outer wall of the frame 1. The motor 3 is coaxially fixedly connected to one of the upper drive wheels 2. An adjustment component is provided at the end of the frame 1. Two symmetrically distributed traction bars 15 are provided on the adjustment component. A motor 3 19 is fixedly installed at the end of each traction bar 15. A crushing wheel 16 is fixedly connected to the output end of the motor 3 19.

[0027] First, the device needs to be installed on the cable 21 to be iced, with the cable 21 positioned between the upper drive wheel 2 and the lower drive wheel 5. This restricts the overall offset of the device and ensures that the travel trajectory coincides with the cable 21. Since the bracket 4 can be adjusted vertically, the lower drive wheel 5 and the upper drive wheel 2 can clamp the cable 21 to prevent it from falling off.

[0028] When the motor 3 is started, it drives one of the upper drive wheels 2 to rotate, so that the device can move along the cable 21, thereby achieving continuous ice-breaking work and avoiding the decrease in efficiency caused by intermittent operation.

[0029] The distance between the two breaking wheels 16 can be adjusted by adjusting the component, so that the breaking wheels 16 can contact the ice surface as much as possible during operation, thereby improving the ice-breaking effect. This avoids both excessive distance leading to ice leakage (residual ice layer) and insufficient distance causing the breaking wheels 16 to directly rub against the cable 21 (damaging the aluminum strand). Ultimately, "precise contact" improves ice-breaking efficiency and safety. Furthermore, by starting the motor 19, the breaking wheels 16 are driven to rotate, and the flange 17 and breaking rod 18 on the surface of the breaking wheels 16 rotate synchronously, so that the breaking rod 18 and flange 17 contact the ice body to carry out the ice-breaking work.

[0030] Reference Figure 3 The adjustment assembly includes two supports 11 fixedly connected to the outer wall of the frame 1. A bidirectional screw 12 is rotatably inserted between the two supports 11. A limit rod 13 is fixedly connected between the two supports 11. A traction bar 15 is threaded onto the bidirectional screw 12. The limit rod 13 is movably inserted through the traction bar 15. A motor 14 is fixedly installed on the outer wall of the frame 1 and coaxially fixedly connected to the bidirectional screw 12. A protective cover 20 is also fixedly installed on the outer wall of the frame 1 to protect the adjustment assembly.

[0031] The second motor 14 is started, driving the bidirectional screw 12 to rotate. The bidirectional screw 12 drives the two traction bars 15 to move closer together. The traction bars 15 drive the crushing wheels 16 on their surfaces to move linearly, so that the position between the two crushing wheels 16 is close to the surface of the cable 21, but still maintains a gap of 3mm-6mm. This gap ensures that the crushing wheels 16 can contact most of the area from the surface of the cable 21 to the outside of the ice layer, which helps to break the ice effectively. The diameter of the power distribution network cable 21 varies, and it can be adjusted to adapt to the icing scenarios of cables 21 with different diameters.

[0032] During de-icing operations, the crushing wheel 16 generates a large amount of ice fragments and ice slag (some of which can reach a diameter of 1-3mm) when it crushes the ice layer. The protective cover 20 isolates the adjustment components from the external ice and snow environment through a wrap-around structure, minimizing direct contact between ice and snow and precision components, thus eliminating the risk of jamming at the source.

[0033] Reference Figure 3 Multiple flanges 17 are fixedly connected to the circumferential sidewall of the crushing wheel 16 at equal intervals, and multiple crushing rods 18 are fixedly connected to the planar sidewall of the crushing wheel 16.

[0034] Motor 19 drives crushing wheel 16 to rotate at high speed. The flange 17 on the surface of crushing wheel 16 and crushing rod 18 rotate synchronously. The flange 17 is an annular protrusion structure on the circumferential side wall of crushing wheel 16. Its core function is to crush and cut the "circumferential surface" of cable 21 covered with ice, thereby destroying the integrity of the ice layer.

[0035] The crushing rod 18 is a columnar protrusion on the two planar sidewalls of the crushing wheel 16. Its core function is to impact and crush the "axial end face" of the ice (such as the ice at the cable 21 joint, irregular protrusions at the edge of the ice layer) and fill the crushing blind area of ​​the flange 17.

[0036] Reference Figure 3 An electric push rod 7 is fixedly installed on the outer wall of the frame 1. A slider 6 is fixedly connected to the output end of the electric push rod 7. An opening 101 is opened on the side wall of the frame 1. The end of the slider 6 is fixedly connected to the bracket 4.

[0037] By activating the electric push rod 7, the slider 6 is driven to move vertically in a straight line. The slider 6 drives the bracket 4 and the lower drive wheel 5 to move vertically upward, so that the lower drive wheel 5 and the upper drive wheel 2 can clamp the cable 21. This provides sufficient friction for the movement of the de-icing device and can also adapt to the clamping requirements of cables 21 with different diameters.

[0038] It should be noted that the battery push rod 7, motor 1 3, motor 2 14 and motor 3 19 are all powered by the battery installed inside the frame 1, which is existing technology and will not be described in detail.

[0039] Reference Figure 4 At least two guide rods 8 are fixedly connected to the bottom of the slider 6, and a positioning block 9 is fixedly connected to the side wall of the frame 1. The lower end of the guide rod 8 is movably connected through the positioning block 9.

[0040] The guide rod 8 at the bottom of the slider 6 and the positioning block 9 on the side wall of the frame 1 are the "core auxiliary components" that ensure the vertical movement accuracy of the slider 6. The two form a rigid guiding constraint through "sliding cooperation", which completely solves the problem of "left and right offset and rotational tilt" that may occur when the slider 6 relies solely on the electric push rod of the frame to slide, and ensures that the lower drive wheel 5 driven by the slider 6 accurately contacts the cable 21.

[0041] Reference Figure 2 The top of frame 1 is fixedly connected with at least two lugs 10.

[0042] In the overall structure of the de-icing robot, the lifting lug 10 is a key auxiliary structure that ensures the robot's "safe hoisting, convenient transportation, and stable online operation".

[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A de-icing device for power distribution lines, characterized in that: The frame (1) is in the shape of an inverted U. Two upper drive wheels (2) are rotatably set on the inner wall of the frame (1). A support (4) is set below the upper drive wheels (2) and can move vertically. Two lower drive wheels (5) are rotatably set on the support (4). A motor (3) is fixedly installed on the outer wall of the frame (1). The motor (3) is coaxially fixedly connected to one of the upper drive wheels (2). An adjustment component is set at the end of the frame (1). Two symmetrically distributed traction bars (15) are set on the adjustment component. A motor (19) is fixedly installed at the end of each traction bar (15). A crushing wheel (16) is fixedly connected to the output end of the motor (19).

2. The de-icing device for power distribution lines according to claim 1, characterized in that: The adjustment assembly includes two supports (11) fixedly connected to the outer wall of the frame (1), a bidirectional screw (12) is rotatably inserted between the two supports (11), a limit rod (13) is fixedly connected between the two supports (11), the traction bar (15) is threaded onto the bidirectional screw (12), the limit rod (13) is movably inserted through the traction bar (15), a motor (14) is fixedly installed on the outer wall of the frame (1) and coaxially fixedly connected to the bidirectional screw (12), and a protective cover (20) is also fixedly installed on the outer wall of the frame (1) to protect the adjustment assembly.

3. The de-icing device for power distribution lines according to claim 1, characterized in that: Multiple flanges (17) are fixedly connected to the circumferential sidewall of the crushing wheel (16), and multiple crushing rods (18) are fixedly connected to the planar sidewall of the crushing wheel (16).

4. The de-icing device for power distribution lines according to claim 1, characterized in that: An electric push rod (7) is fixedly installed on the outer wall of the frame (1). A slider (6) is fixedly connected to the output end of the electric push rod (7). An opening (101) is opened on the side wall of the frame (1). The end of the slider (6) is fixedly connected to the bracket (4).

5. The de-icing device for power distribution lines according to claim 4, characterized in that: At least two guide rods (8) are fixedly connected to the bottom of the slider (6), and a positioning block (9) is fixedly connected to the side wall of the frame (1). The lower end of the guide rod (8) is movably connected through the positioning block (9).

6. The de-icing device for power distribution lines according to claim 1, characterized in that: The top of the frame (1) is fixedly connected with at least two lugs (10).

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