Low-voltage distribution network line insulation conductor detection and repair device

Abstract

The present invention relates to the technical field of repairing insulated conductors of low-voltage distribution network lines, and is a device for detecting and repairing insulated conductors of low-voltage distribution network lines. The device comprises an upper cover, a lower cover, an upper die, a lower die, a moving assembly, a blanking assembly, a feeding assembly, a controller, a lifting assembly, and an image sensor. The upper cover and the lower cover are fixed to form a closed cylindrical box. The lifting assembly is installed at the top of the upper cover, the upper die is installed at the bottom of the lifting assembly, and the lower die is fixedly installed at the bottom of the lower cover. The integrated structural design of the present invention can realize a series of operations such as mobile detection, feeding, glue injection, and cooling and molding of damaged parts, and finally realize fully automatic detection and repair of insulated conductors. The present invention is a device for detecting and repairing insulated conductors of low-voltage distribution network lines that is suitable for promotion, has a reasonable structure, and is economical and practical.

Description

Technical Field

[0001] The present invention relates to the technical field of repairing insulated conductors of low-voltage distribution network lines, and in particular to a device for detecting and repairing insulated conductors of low-voltage distribution network lines. Background Art

[0002] Low-voltage overhead distribution lines utilize polyethylene / cross-linked polyethylene insulated conductors, which effectively improve line insulation and reduce external interference, such as tree trunks pressing against distribution lines. This improves power supply reliability. However, over time, insulated conductors can experience insulation damage due to various reasons, necessitating repair and maintenance to ensure normal power supply.

[0003] The most common method of insulation treatment is to wrap insulating tape around it. However, overhead distribution lines are not convenient for manual operation, and manual operation is inefficient and dangerous. Insulation repair devices also exist in the existing technology, but they use manual glue injection and coating devices, which makes it difficult to accurately detect and efficiently repair the insulated conductors of the installed distribution network lines. Summary of the Invention

[0004] The object of the present invention is to provide a low-voltage distribution network line insulated conductor detection and repair device with a reasonable structure, economical and practical, which is used to achieve: by adding hot injection material to the cavity formed by the upper mold and the lower mold driven by the lifting component, a series of operations such as mobile detection, material addition, injection and cooling molding are performed on the damaged part, and finally the insulated conductor is automatically repaired; through the cooperation of the image sensor and the mobile component, the insulated conductor of the distribution network can be continuously detected and positioned for repair; through the combination of the two-half upper cover and the lower cover, it is convenient for technicians to place the device between the distribution network supports, thereby realizing automatic detection and repair operations.

[0005] The present invention discloses a low-voltage distribution network line insulated wire detection and repair device, comprising an upper cover 1, a lower cover 2, an upper die 3, a lower die 4, a moving assembly, a blanking assembly, a feeding assembly 7, a controller 6, a lifting assembly, and an image sensor 21. The upper cover 1 and the lower cover 2 are fixed to form a closed cylindrical box. The lifting assembly is installed at the top of the upper cover 1, and the upper die 3 is installed at the bottom of the lifting assembly. The lower die 4 is fixedly installed at the bottom of the lower cover 2.

[0006] The upper die 3 is provided with limiting half holes 37 at both ends, a first semicircular cavity 38 is provided between the limiting half holes 37 on both sides, and a plurality of groups of arc grooves 39 are symmetrically provided on both sides of the first semicircular cavity 38 and between the limiting half holes 37; the structure of the lower die 4 is the same as that of the upper die 3, and a second semicircular cavity 44 is provided at a position corresponding to the first semicircular cavity 38 of the upper die 3. After the upper die 3 and the lower die 4 are buckled together, an annular cavity consisting of the first semicircular cavity 38 and the second semicircular cavity 44 is formed in the middle, and an annular hole is formed at both ends by buckling the limiting half holes 37. The inner diameter of the annular hole is the same as the outer diameter of the insulated wire 0;

[0007] After the upper cover 1 and the lower cover 2 are buckled together, the middle part is horizontally penetrated along the direction of the annular cavity and the annular hole, and is used to be sleeved on the insulated wire 0;

[0008] The moving assembly is hung on the insulated wire 0, and is driven by the moving assembly to drive the upper cover 1 and the lower cover 2 to move on the insulated wire 0;

[0009] The image sensor 21 is used to collect the damage image signal on the insulated wire 0 and send the signal to the controller 6, and is installed on the inner side of the upper cover 1 and the lower cover 2;

[0010] The lifting assembly is controlled and adjusted by the controller 6 to move the upper die 3 downward and engage with the lower die 4 to clamp the insulated wire 0;

[0011] The feeding assembly 7 is installed at the bottom of the lower cover 2, and is connected to the lower mold 4. The heated injection material is injected into the annular cavity formed by the upper mold 3 and the lower mold 4 through the feeding assembly 7;

[0012] The unloading component is connected to the feeding component 7 and is used to provide the feeding component 7 with fluid injection material.

[0013] Preferably, the outer side walls of the upper mold 3 and the lower mold 4 are both provided with a spiral arc groove 31. The spiral arc groove 31 on the lower mold 4 is staggered and connected with the spiral arc groove 31 on the upper mold 3 to form a spiral groove in a spiral shape. A windshield plate 32 is installed on the outer side of the spiral arc groove 31. An air intake valve 35 and an exhaust valve 36 are respectively installed on both sides of the upper mold 3. The air intake valve 35 and the exhaust valve 36 are connected to the spiral arc groove 31 on both sides of the upper mold 3.

[0014] The overall structure of the detection and repair device also includes a cooling assembly, which is located at the top of the upper cover 1 and includes an exhaust pipe 15, an air intake pipe 16, a first air pump 18, a second air pump 19, a filter box 53, a top plate 11, and a standpipe 17;

[0015] The exhaust pipe 15 and the air intake pipe 16 are arranged at the top of the upper cover 1, the air intake pipe 16 is connected to the filter box 53, the top plate 11 is arranged on the top of the upper mold 3, and a pair of vertical pipes 17 are provided on the top plate 11. The exhaust pipe 15 and the air intake pipe 16 are respectively connected to the vertical pipes 17 in a sliding manner. The first air pump 18 is connected to the vertical pipe 17 and the exhaust valve 36 on one side through a pipeline, and the second air pump 19 is connected to the vertical pipe 17 and the air intake valve 35 on the other side through a pipeline.

[0016] Preferably, the structure of the moving component specifically includes a splint 12, a roller 13 and a first motor 14. The roller 13 is connected to the upper cover 1 through a pair of splints 12. An arc-shaped groove is provided on the roller 13, and the arc-shaped groove fits with the insulated wire 0. The first motor 14 is installed on the splint 12, and the roller 13 is moved on the insulated wire 0 by the drive of the first motor 14.

[0017] Preferably, the lifting assembly is arranged at the top inside the upper cover 1, and its structure specifically includes a mounting plate 5, a second telescopic rod 51 and a pressure sensor 52. The mounting plate 5 is fixed to the upper cover 1, and the second telescopic rod 51 is connected to the bottom of the mounting plate 5. A pressure sensor 52 is embedded in the contact surface between the second telescopic rod 51 and the mounting plate 5. The pressure sensor 52 is used to collect the extrusion signal between the upper mold 3 and the lower mold 4 and send the signal to the controller 6. Guide grooves 29 are provided on both sides of the upper cover 1, and sliders 28 are fixedly installed on both sides of the top plate 11. The sliders 28 slide in conjunction with the guide grooves 29.

[0018] Preferably, a pair of arc-shaped feed holes 43 are provided at the bottom of the lower mold 4, and a glue injection hole 72 is provided at the bottom of the lower cover 2. A glue injection tube 46 is connected between the arc-shaped feed holes 43 and the glue injection hole 72. A first heating module 45 is embedded in the lower mold 4 and near the arc-shaped feed holes 43. A second heating module 47 is installed on the outside of the glue injection tube 46.

[0019] The feeding assembly specifically includes a U-shaped plate 71, a heating tube 73, a spiral column rod 75, and a second motor 78. The U-shaped plate 71 is installed below the glue injection hole 72 of the lower cover 2. A heating tube 73 is installed on the inner side of the U-shaped plate 71. The heating tube 73 and the glue injection tube 46 are connected through the glue injection hole 72. The spiral column rod 75 is installed inside the heating tube 73, and a piston block 74 is installed at the bottom. The second motor 78 is arranged below the heating tube 73. The power output end of the second motor 78 is connected to the piston block 74 through a transmission shaft 79. The heating tube 73 is connected to the blanking assembly. The fluid glue injection material input by the blanking assembly can be squeezed and introduced into the glue injection tube 46 through the rotation of the spiral column rod 75.

[0020] Preferably, a bracket is provided at the bottom of the U-shaped plate 71, a thrust plate 76 is provided above the bracket, a thrust bearing 77 is provided on the thrust plate 76, and the transmission shaft 79 passes through the thrust bearing 77 and is connected to the piston block 74 to prevent the reverse force generated by the spiral column rod 75 when squeezing the injection material upward to push the piston block 74 out.

[0021] Preferably, the structure of the discharge assembly mainly includes a storage bin 22, a discharge hopper 23, a first telescopic rod 24 and a feeding pipe 25. The storage bin 22 is installed at the bottom of the lower cover 2, and the lower hopper 23 is connected to the storage bin 22. Vertical plates 27 are installed on both sides of the bottom of the lower cover 2. Horizontal feeding pipes 25 are provided on both sides of the heating pipe 73. A cylindrical block 26 is slidably fitted in the feeding pipe 25. A first telescopic rod 24 is installed on the vertical plate 27, and the other end of the first telescopic rod 24 is connected to the cylindrical block 26. The reciprocating extension and contraction of the first telescopic rod 24 realizes the continuous introduction of the material falling from the lower hopper 23 into the heating pipe 73.

[0022] Preferably, a plurality of groups of recessed holes 33 and protrusions 34 are respectively provided on the fastening surfaces of the upper mold 3 and the lower mold 4. The protrusions 34 or recessed holes 33 on the upper mold 3 and the recessed holes 33 or protrusions 34 on the lower mold 4 are slidably matched to achieve a tight fastening of the upper mold 3 and the lower mold 4 under the adjustment of the lifting assembly.

[0023] Preferably, a battery 81 is provided in the lower cover 2 to continuously supply power to the detection and repair device.

[0024] Working principle of the present invention:

[0025] The worker fastens the upper cover and the lower cover of the detection and repair device provided by the present invention onto the distribution network line to be repaired, fixes them with bolts to form a closed cylindrical box, starts the motor, and moves the components to make the entire detection and repair device move along the distribution network line and perform inspections; the image sensor 21 is used to collect the damaged image signal on the insulated wire 0 and send the signal to the controller 6. After the image sensor 21 collects the damaged image, the moving component continues to move the spacing of 1 / 2 length (that is, half the distance between the moving components on both sides), and the controller 6 performs feedback adjustment on the lifting component so that the upper mold 3 and the lower mold 4 clamp the insulated wire 0. The bottom of the lower cover 2 is installed There is a feeding component 7, which is connected to the lower mold 4. The heated fluid injection material (polyethylene material) is injected into the annular cavity formed by the upper mold 3 and the lower mold 4 through the feeding component 7. A cooling component is installed on the top of the upper cover 1, and the cooling component is connected to the upper mold 3. The spiral air duct formed by the closed space between the upper mold 3 and the lower mold 4 is intake and exhaust through the cooling component, so as to realize the overall cooling of the upper mold 3 and the lower mold 4 and accelerate the solidification speed of the fluid injection material between the upper mold 3 and the lower mold 4. When the temperature signal collected by the temperature sensor in the exhaust pipe 15 is lower than the preset threshold value in the controller 6, the lifting component moves up and starts the moving component to continue to detect the insulated wire 0.

[0026] Compared with the prior art, the present invention has the following advantages:

[0027] (1) The design of the two-part upper cover and lower cover combined structure makes it convenient for technicians to place the device between the distribution network supports and cooperate with the mobile components to realize automatic detection and repair operations.

[0028] (2) Through the cooperation of image sensors and mobile components, continuous detection and positioning of insulated conductors in the distribution network can be achieved.

[0029] (3) The heating module heats the injection material to be injected; the feeding and injection operations can be smoothly realized by the cooperation of the feeding component and the feeding component; the upper mold is driven downward by the lifting component to inject glue into the cavity formed by the engagement with the lower mold, which is conducive to accurate and rapid injection of glue into the cavity; the colloid after injection is cooled and formed by the cooling component. These integrated structural designs can realize a series of operations such as mobile detection, feeding, injection and cooling and forming of the damaged part, and finally realize fully automatic detection and repair of the insulated wire. It is a low-voltage distribution network line insulated wire detection and repair device that is suitable for promotion, has a reasonable structure, and is economical and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic cross-sectional view of the structure of Example 1 of the present invention.

[0031] Figure 2for Figure 1 Schematic diagram of the structure of the middle upper mold when viewed from above.

[0032] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of the lower mold inside the middle lower cover.

[0033] Figure 4 for Figure 1 Schematic diagram of the enlarged structure of the middle feeding component 7.

[0034] As shown in the figure: 0 is an insulated wire; 1 is an upper cover; 11 is a top plate; 12 is a clamping plate; 13 is a roller; 14 is a first motor; 15 is an exhaust pipe; 16 is an air intake pipe; 17 is a vertical pipe; 18 is a first air pump; 19 is a second air pump; 2 is a lower cover; 21 is an image sensor; 22 is a storage bin; 23 is a lower hopper; 24 is a first telescopic rod; 25 is a feeding pipe; 26 is a cylindrical block; 27 is a vertical plate; 28 is a slider; 29 is a guide groove; 3 is an upper mold; 31 is a spiral arc groove; 32 is a windshield strip; 33 is a concave hole; 34 is a convex block; 35 is an air intake valve; 36 is an exhaust valve; 37 is a limit half hole ; 38 is the first semicircular cavity; 39 is the arc groove; 4 is the lower mold; 41 is the support block; 42 is the support plate; 43 is the arc feed hole; 44 is the second semicircular cavity; 45 is the first heating module; 46 is the glue injection pipe; 47 is the second heating module; 5 is the mounting plate; 51 is the second telescopic rod; 52 is the pressure sensor; 53 is the filter box; 6 is the controller; 7 is the feeding assembly; 71 is the U-shaped plate; 72 is the glue injection hole; 73 is the heating pipe; 74 is the piston block; 75 is the spiral column rod; 76 is the thrust plate; 77 is the thrust bearing; 78 is the second motor; 79 is the drive shaft, 80 is the bracket, and 81 is the battery. DETAILED DESCRIPTION

[0035] The technical solutions of the embodiments of the present invention are explained and illustrated below in conjunction with the drawings of the embodiments. However, the following embodiments are only preferred embodiments of the present invention and are not exhaustive. Based on the embodiments in the implementation manner, other embodiments obtained by those skilled in the art without making any creative work shall fall within the scope of protection of the present invention.

[0036] Embodiment 1:

[0037] The present embodiment is a low-voltage distribution network line insulated conductor detection and repair device, including an upper cover 1, a lower cover 2, an upper mold 3, a lower mold 4, a moving component, a blanking component, a feeding component 7, a controller 6, a lifting component, and an image sensor 21. The upper cover 1 and the lower cover 2 are fixed to form a closed cylindrical box. The lifting component is installed at the top of the upper cover 1, and the upper mold 3 is installed at the bottom of the lifting component. The lower mold 4 is fixedly installed at the bottom of the lower cover 2.

[0038] Limiting half holes 37 are provided at both ends of the upper mold 3, and a first semicircular cavity 38 is provided between the limiting half holes 37 on both sides, and a plurality of groups of arc grooves 39 are symmetrically provided on both sides of the first semicircular cavity 38 and between the limiting half holes 37; the structure of the lower mold 4 is the same as that of the upper mold 3, and a second semicircular cavity 44 is provided at a position corresponding to the first semicircular cavity 38 of the upper mold 3. After the upper mold 3 and the lower mold 4 are buckled together, an annular cavity consisting of the first semicircular cavity 38 and the second semicircular cavity 44 is formed in the middle, and the two ends are buckled by the limiting half holes 37 to form an annular hole, and the inner diameter of the annular hole is the same as the outer diameter of the insulated wire 0.

[0039] After the upper cover 1 and the lower cover 2 are buckled together, the middle part is horizontally penetrated along the direction of the annular cavity and the annular hole, and is used to be sleeved on the insulated wire 0.

[0040] The moving component is hung on the insulated wire 0 , and is driven by the moving component to drive the entire body consisting of the upper cover 1 and the lower cover 2 to move on the insulated wire 0 .

[0041] The image sensor 21 is used to collect damage image signals on the insulated wire 0 and send the signals to the controller 6 , and is installed on the inner sides of the upper cover 1 and the lower cover 2 .

[0042] The lifting assembly is controlled and adjusted by the controller 6 to move the upper die 3 downward and engage with the lower die 4 to clamp the insulated wire 0.

[0043] The feeding assembly 7 is installed at the bottom of the lower cover 2 and is connected to the lower mold 4. The heated injection material is injected into the annular cavity formed by the upper mold 3 and the lower mold 4 through the feeding assembly 7.

[0044] The unloading component is connected to the feeding component 7 and is used to provide the feeding component 7 with fluid injection material.

[0045] Specifically, as a preference, the outer side walls of the upper mold 3 and the lower mold 4 are both provided with a spiral arc groove 31, and the spiral arc groove 31 on the lower mold 4 is staggered and connected with the spiral arc groove 31 on the upper mold 3 to form a spiral groove in a spiral shape, and a windshield plate 32 is installed on the outer side of the spiral arc groove 31, and an air intake valve 35 and an exhaust valve 36 are respectively installed on both sides of the upper mold 3, and the air intake valve 35 and the exhaust valve 36 are connected with the spiral arc groove 31 on both sides of the upper mold 3.

[0046] The overall structure of the detection and repair device also includes a cooling component, which is arranged at the top of the upper cover 1. Its structure includes an exhaust pipe 15, an air intake pipe 16, a first air pump 18, a second air pump 19, a filter box 53, a top plate 11, and a standpipe 17.

[0047] The exhaust pipe 15 and the air intake pipe 16 are arranged at the top of the upper cover 1, the air intake pipe 16 is connected to the filter box 53, the top plate 11 is arranged on the top of the upper mold 3, and a pair of vertical pipes 17 are provided on the top plate 11. The exhaust pipe 15 and the air intake pipe 16 are respectively connected to the vertical pipes 17 in a sliding manner. The first air pump 18 is connected to the vertical pipe 17 and the exhaust valve 36 on one side through a pipeline, and the second air pump 19 is connected to the vertical pipe 17 and the air intake valve 35 on the other side through a pipeline.

[0048] The structure of the moving component specifically includes a splint 12, a roller 13 and a first motor 14. The roller 13 is connected to the upper cover 1 through a pair of splints 12. An arc-shaped groove is provided on the roller 13, and the arc-shaped groove fits with the insulated wire 0. The first motor 14 is installed on the splint 12, and the roller 13 is moved on the insulated wire 0 by the drive of the first motor 14.

[0049] The lifting assembly is arranged at the top inside the upper cover 1, and its structure specifically includes a mounting plate 5, a second telescopic rod 51 and a pressure sensor 52. The mounting plate 5 is fixed to the upper cover 1, and the second telescopic rod 51 is connected to the bottom of the mounting plate 5. A pressure sensor 52 is embedded in the contact surface between the second telescopic rod 51 and the mounting plate 5. The pressure sensor 52 is used to collect the extrusion signal between the upper mold 3 and the lower mold 4 and send the signal to the controller 6. Guide grooves 29 are provided on both sides of the upper cover 1, and sliders 28 are fixedly installed on both sides of the top plate 11. The sliders 28 slide in conjunction with the guide grooves 29.

[0050] A pair of arc-shaped feed holes 43 are provided at the bottom of the lower mold 4, and a glue injection hole 72 is provided at the bottom of the lower cover 2. A glue injection tube 46 is connected between the arc-shaped feed holes 43 and the glue injection hole 72. A first heating module 45 is embedded in the lower mold 4 and near the arc-shaped feed holes 43. A second heating module 47 is installed on the outside of the glue injection tube 46.

[0051] The feeding assembly specifically includes a U-shaped plate 71, a heating tube 73, a spiral column rod 75, and a second motor 78. The U-shaped plate 71 is installed below the glue injection hole 72 of the lower cover 2. A heating tube 73 is installed on the inner side of the U-shaped plate 71. The heating tube 73 and the glue injection tube 46 are connected through the glue injection hole 72. The spiral column rod 75 is installed inside the heating tube 73, and a piston block 74 is installed at the bottom. The second motor 78 is arranged below the heating tube 73. The power output end of the second motor 78 is connected to the piston block 74 through a transmission shaft 79. The heating tube 73 is connected to the blanking assembly. The fluid glue injection material input by the blanking assembly can be squeezed and introduced into the glue injection tube 46 through the rotation of the spiral column rod 75.

[0052] A bracket 80 is provided at the bottom of the U-shaped plate 71, and a thrust plate 76 is provided above the bracket 80. A thrust bearing 77 is provided on the thrust plate 76. The transmission shaft 79 passes through the thrust bearing 77 and is connected to the piston block 74 to prevent the reverse force generated by the spiral column rod 75 when squeezing the injection material upward to push the piston block 74 out.

[0053] The structure of the material discharge assembly mainly includes a storage bin 22, a discharge hopper 23, a first telescopic rod 24 and a feeding pipe 25. The storage bin 22 is installed at the bottom of the lower cover 2, and the lower hopper 23 is connected to the storage bin 22. Vertical plates 27 are installed on both sides of the bottom of the lower cover 2. Horizontal feeding pipes 25 are provided on both sides of the heating pipe 73. A cylindrical block 26 is slidably fitted in the feeding pipe 25. A first telescopic rod 24 is installed on the vertical plate 27. The other end of the first telescopic rod 24 is connected to the cylindrical block 26. The reciprocating extension and contraction of the first telescopic rod 24 realizes the continuous introduction of the material falling from the lower hopper 23 into the heating pipe 73.

[0054] With reference to the accompanying drawings, the structure of the embodiment of the present invention is described in detail:

[0055] like Figures 1 to 4As shown, a low-voltage distribution network line insulated wire detection and repair device includes an upper cover 1, a lower cover 2, an upper mold 3, a lower mold 4, a moving component, a cooling component and a feeding component 7. The upper cover 1 and the lower cover 2 are fixed by bolts to form a cylindrical closed cylindrical box. A lifting component is installed on the top of the upper cover 1, and an upper mold 3 is installed on the bottom of the lifting component. Support plates 42 are installed on both sides of the bottom of the lower cover 2, and support blocks 41 are installed on the top of the support plates 42. The lower mold 4 is fixedly installed between the support blocks 41 on both sides. Moving components are installed on both sides of the upper cover 1. The moving components are hung on the insulated wire 0. By driving the moving components, the upper cover 1 and the lower cover 2 can be driven to move on the insulated wire 0. The insulated wire 0 is penetrated between the upper cover 1 and the lower cover 2. Image sensors 21 are installed on both sides of the bottom of the upper cover 1 and on both sides of the top of the lower cover 2. The image sensor 21 is used to collect damaged image signals on the insulated wire 0 and send the signals to the controller 6. The controller 6 is installed on the top of the upper cover 1. When the image sensor 21 captures the damaged image, the moving component continues to move a distance of 1 / 2 length (that is, half the distance between the moving components on both sides). The lifting component is feedback-adjusted by the controller 6, so that the upper mold 3 and the lower mold 4 clamp the insulated wire 0. A feeding component 7 is installed at the bottom of the lower cover 2. The feeding component 7 is connected to the lower mold 4. The heated fluidized polyethylene is injected into the annular cavity formed by the upper mold 3 and the lower mold 4 through the feeding component 7. A cooling component is installed at the top of the upper cover 1. The cooling component is connected to the upper mold 3. The spiral air duct formed between the upper mold 3 and the lower mold 4 is closed and exhausted through the cooling component, which can achieve overall cooling of the upper mold 3 and the lower mold 4, and accelerate the solidification speed of the fluidized polyethylene between the upper mold 3 and the lower mold 4. When the temperature signal collected by the temperature sensor in the exhaust pipe 15 is lower than the preset threshold in the controller 6, the lifting component moves up and starts the moving component to continue detecting the insulated wire 0.

[0056] The upper die 3 is provided with limited half holes 37 at both ends, a first semicircular cavity 38 is provided between the limited half holes 37 on both sides, and a plurality of groups of arc grooves 39 are symmetrically provided on both sides of the first semicircular cavity 38. The lower die 4 is provided with a second semicircular cavity 44, and the structure in the second semicircular cavity 44 is the same as that in the upper die 3. After the upper die 3 and the lower die 4 are combined, an annular hole is formed at both ends, that is, the limited half holes 37 are buckled together, and the inner diameter of the annular hole is the same as the outer diameter of the insulated wire 0. The outer sides of the upper die 3 and the lower die 4 are provided with spiral arc grooves 31. 4 is connected with the spiral arc groove 31 on the upper mold 3 in an interlaced manner to form a spiral groove in a spiral shape. A windshield plate 32 is installed on the outer side of the spiral arc groove 31. An air intake valve 35 and an exhaust valve 36 are installed at both ends of the upper mold 3 respectively. The air intake valve 35 and the exhaust valve 36 are connected with the spiral arc groove 31 on both sides of the upper mold 3. After the upper mold 3 and the lower mold 4 are combined, the air enters the spiral arc groove 31 through the air intake valve 35 and cools the upper mold 3 and the lower mold 4 as a whole before being discharged from the exhaust valve 36.

[0057] Several groups of recessed holes 33 and protrusions 34 are respectively installed on both sides of the planes of the upper mold 3 and the lower mold 4. The protrusions 34 on the upper mold 3 slide in conjunction with the recessed holes 33 on the lower mold 4, and the protrusions 34 on the lower mold 4 slide in conjunction with the recessed holes 33 on the upper mold 3. Under the adjustment of the lifting assembly, the upper mold 3 and the lower mold 4 are closed to form a closed cavity, and the insulation repair of the insulated wire 0 in the closed cavity is achieved by adding material through the adding assembly 7.

[0058] A pair of arc-shaped feed holes 43 are provided at the center of the bottom of the lower mold 4. A glue injection tube 46 is connected between the bottom of the lower mold 4 and the lower cover 2. The top of the glue injection tube 46 is connected to the arc-shaped feed hole 43. A pair of first heating modules 45 are embedded in the lower mold 4. The first heating module 45 is used to heat the arc-shaped feed hole 43 to prevent the polyethylene from solidifying and clogging in the arc-shaped feed hole 43. A second heating module 47 is installed on the outside of the glue injection tube 46. The second heating module 47 is used to heat the polyethylene particles supplied by the feeding assembly 7 and melt them into polyethylene fluid. The first heating module 45 and the second heating module 47 here are electric heating devices, which can be resistance wires or electric heating plates.

[0059] The feeding assembly 7 includes a U-shaped plate 71, a heating tube 73, a spiral column rod 75 and a second motor 78. The U-shaped plate 71 is installed at the bottom of the lower cover 2, and the heating tube 73 is installed at the bottom of the lower cover 2. The heating tube 73 is connected to the glue injection tube 46 through the glue injection hole 72 on the lower cover 2. A piston block 74 is rotatably installed at the bottom of the heating tube 73, and a spiral column rod 75 is fixedly installed on the top of the piston block 74. The second motor 78 is installed at the bottom of the glue injection hole 72, and the output end of the second motor 78 is connected to the piston block 74 through a transmission shaft 79. The rotation of the second motor 78 can drive the spiral column rod 75 in the heating tube 73 to rotate. The bottom two sides of the heating tube 73 are connected to the blanking assembly. The polyethylene particles input by the blanking assembly can be squeezed and introduced into the injection tube 46 through the rotation of the spiral column rod 75. A thrust bearing 77 is fixedly mounted on the transmission shaft 79. The outer circle of the thrust bearing 77 is fixedly mounted on the thrust plate 76. The thrust plate 76 is fixedly mounted on the bottom of the U-shaped plate 71 through the bracket 80, which can prevent the reverse force generated by the spiral column rod 75 when supplying polyethylene particles from pushing out the piston block 74.

[0060] The unloading assembly includes a storage bin 22, a unloading hopper 23, a first telescopic rod 24 and a feeding pipe 25. The storage bin 22 is installed on both sides of the bottom of the lower cover 2, and the bottom of the lower cover 2 is installed with a unloading hopper 23 connected to the storage bin 22. Vertical plates 27 are installed on both sides of the bottom of the lower cover 2. A horizontally arranged feeding pipe 25 is installed on the bottom of the heating pipe 73. A cylindrical block 26 is slidably fitted in the feeding pipe 25. The first telescopic rod 24 is installed on the vertical plate 27. The other end of the first telescopic rod 24 is connected to the cylindrical block 26. The reciprocating extension and contraction of the first telescopic rod 24 realizes the continuous introduction of the material falling from the unloading hopper 23 into the heating pipe 73.

[0061] The lifting assembly includes a mounting plate 5, a second telescopic rod 51 and a pressure sensor 52. The mounting plate 5 is installed on the top of the upper cover 1, and the second telescopic rod 51 is installed between the bottom of the mounting plate 5 and the top of the top plate 11. The contact surface between the second telescopic rod 51 and the mounting plate 5 is embedded with a pressure sensor 52. The pressure sensor 52 is used to collect the extrusion signal between the upper mold 3 and the lower mold 4 and send the signal to the controller 6, thereby completing the closing of the upper mold 3 and the lower mold 4, and the next step of the glue injection operation can be carried out. Guide grooves 29 are provided on both sides of the upper cover 1, and sliders 28 are fixedly installed on both sides of the top plate 11. The sliders 28 slide in conjunction with the guide grooves 29 to achieve mobile guidance for the lifting and lowering of the top plate 11.

[0062] The cooling assembly includes an exhaust pipe 15, an air intake pipe 16, a first air pump 18 and a second air pump 19. A pair of standpipes 17 are vertically installed on both sides of the top plate 11. The exhaust pipe 15 and the air intake pipe 16 are respectively installed on both sides of the top of the upper cover 1. The air intake end of the air intake pipe 16 is connected to the filter box 53 on the top of the upper cover 1. The exhaust pipe 15 and the air intake pipe 16 are slidably matched with the standpipe 17. The first air pump 18 and the second air pump 19 are respectively installed on both sides of the top plate 11. The input end of the first air pump 18 is connected to the exhaust valve 36, the output end of the first air pump 18 is connected to the standpipe 17 and the exhaust pipe 15, the input end of the second air pump 19 is connected to the air intake pipe 16 and the standpipe 17, and the output end of the second air pump 19 is connected to the air intake valve 35. Under the drive of the first air pump 18 and the second air pump 19, the upper mold 3 and the lower mold 4 are cooled as a whole, thereby accelerating the solidification of the polyethylene fluid.

[0063] The moving component includes a splint 12, a roller 13 and a first motor 14. A pair of splints 12 are respectively installed at both ends of the upper cover 1. The roller 13 is rotatably installed on the splint 12. The roller 13 is provided with an arc-shaped groove, which fits the insulated wire 0. The first motor 14 is installed on the splint 12. The output end of the first motor 14 is connected to the roller 13. The roller 13 is moved on the insulated wire 0 by the drive of the first motor 14.

[0064] This embodiment heats the injection material that needs to be injected through the heating module; the feeding and injection operations can be smoothly realized through the cooperation of the blanking component and the feeding component; the upper mold is driven downward by the lifting component to inject glue into the cavity formed after being fastened with the lower mold, which is conducive to accurate and rapid injection of glue into the cavity; and the colloid after the injection is completed is cooled and formed by the cooling component. These integrated structural designs can realize a series of operations such as mobile detection, feeding, injection and cooling and forming of the damaged part, and finally realize fully automatic detection and repair of the insulated wire.

[0065] Example 2:

[0066] Compared with Example 1, this embodiment is different in that:

[0067] Several groups of recessed holes 33 and protrusions 34 are respectively provided on the fastening surfaces of the upper mold 3 and the lower mold 4. The protrusions 34 or recessed holes 33 on the upper mold 3 and the recessed holes 33 or protrusions 34 on the lower mold 4 are slidably matched, and the upper mold 3 and the lower mold 4 are tightly fastened under the adjustment of the lifting assembly.

[0068] Example 3:

[0069] Compared with Example 2, this embodiment is different in that:

[0070] A battery 81 is provided in the lower cover 2 to provide continuous power to the entire detection and repair device.

[0071] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Those skilled in the art will understand that the present invention includes, but is not limited to, the contents described in the drawings and the above specific embodiments. Any modifications that do not deviate from the functional and structural principles of the present invention are intended to be included within the scope of protection of the claims.

Claims

1. A low-voltage distribution network line insulation conductor detection and repair device, characterized in that It includes an upper cover, a lower cover, an upper mold, a lower mold, a moving component, a blanking component, a feeding component, a controller, a lifting component, and an image sensor. The upper cover and the lower cover are fixed to form a closed cylindrical box. The lifting component is installed on the top of the upper cover, the upper mold is installed on the bottom of the lifting component, and the lower mold is fixedly installed on the bottom of the lower cover. Limiting half holes are provided at both ends of the upper die, a first semicircular cavity is provided between the limiting half holes on both sides, and a plurality of groups of arc grooves are symmetrically provided between the two sides of the first semicircular cavity and the limiting half holes; the structure of the lower die is the same as that of the upper die, and a second semicircular cavity is provided at a position corresponding to the first semicircular cavity of the upper die. After the upper die and the lower die are buckled together, an annular cavity consisting of the first semicircular cavity and the second semicircular cavity is formed in the middle, and an annular hole is formed at both ends by buckling the limiting half holes, and the inner diameter of the annular hole is the same as the outer diameter of the insulated wire; After the upper cover and the lower cover are buckled together, the middle part is horizontally penetrated along the direction of the annular cavity and the annular hole, and is used to be sleeved on the insulated wire; The moving component is hung on the insulated wire, and is driven by the moving component to drive the upper cover and the lower cover to move on the insulated wire; The image sensor is used to collect damage image signals on the insulated wire and send the signals to the controller, and is installed on the inner sides of the upper cover and the lower cover; The lifting assembly is controlled and adjusted by the controller to move the upper die downward and engage with the lower die to clamp the insulated wire. The feeding assembly is installed at the bottom of the lower cover and is connected to the lower mold. The heated injection material is injected into the annular cavity formed by the upper mold and the lower mold through the feeding assembly. The unloading component is connected to the feeding component and is used to provide the feeding component with fluid injection material.

2. The low-voltage distribution network line insulation conductor detection and repair device according to claim 1, characterized in that: The outer side walls of the upper mold and the lower mold are both provided with spiral arc grooves. The spiral arc grooves on the lower mold are connected to the spiral arc grooves on the upper mold in an interlaced manner to form a spiral groove in a spiral shape. Wind shielding strips are installed on the outer sides of the spiral arc grooves. An air intake valve and an exhaust valve are respectively installed on both sides of the upper mold. The air intake valve and the exhaust valve are connected to the spiral arc grooves on both sides of the upper mold. The overall structure of the detection and repair device also includes a cooling assembly, which is arranged at the top of the upper cover, and its structure includes an exhaust pipe, an air intake pipe, a first air pump, a second air pump, a filter box, a top plate, and a standpipe; The exhaust pipe and the air intake pipe are arranged on the top of the upper cover, the air intake pipe is connected to the filter box, the top plate is arranged on the top of the upper mold, and a pair of vertical pipes are provided on the top plate. The exhaust pipe and the air intake pipe are respectively connected to the vertical pipes in a sliding manner. The first air pump is connected to the vertical pipe and the exhaust valve on one side through a pipeline, and the second air pump is connected to the vertical pipe and the air intake valve on the other side through a pipeline.

3. The low-voltage distribution network line insulation conductor detection and repair device according to claim 2, characterized in that The structure of the moving component specifically includes a splint, a roller and a first motor. The roller is connected to the upper cover through a pair of splints. An arc-shaped groove is provided on the roller, and the arc-shaped groove fits with the insulated wire. The first motor is installed on the splint, and the roller is driven on the insulated wire by the first motor.

4. The low-voltage distribution network line insulation conductor detection and repair device according to claim 3, characterized in that The lifting assembly is arranged at the top inner of the upper cover, and its structure specifically includes a mounting plate, a second telescopic rod and a pressure sensor. The mounting plate is fixedly connected to the upper cover, and the second telescopic rod is connected to the bottom of the mounting plate. A pressure sensor is embedded in the contact surface between the second telescopic rod and the mounting plate. The pressure sensor is used to collect the extrusion signal between the upper mold and the lower mold and send the signal to the controller. Guide grooves are provided on both sides of the upper cover, and sliders are fixedly installed on both sides of the top plate, and the sliders slide in cooperation with the guide grooves.

5. The low-voltage distribution network line insulation conductor detection and repair device according to claim 4, characterized in that: A pair of arc-shaped feed holes are provided at the bottom of the lower mold, and a glue injection hole is provided at the bottom of the lower cover. A glue injection tube is connected between the arc-shaped feed holes and the glue injection holes. A first heating module is embedded in the lower mold and close to the arc-shaped feed holes. A second heating module is installed on the outside of the glue injection tube. The feeding assembly specifically includes a U-shaped plate, a heating tube, a spiral column rod, and a second motor. The U-shaped plate is installed below the glue injection hole of the lower cover. A heating tube is installed on the inner side of the U-shaped plate. The heating tube and the glue injection tube are connected through the glue injection hole. The spiral column rod is installed inside the heating tube, and a piston block is installed at the bottom. The second motor is arranged below the heating tube. The power output end of the second motor is connected to the piston block through a transmission shaft. The heating tube is connected to the blanking assembly. The fluid glue injection material input by the blanking assembly can be squeezed and introduced into the glue injection tube through the rotation of the spiral column rod.

6. The low-voltage distribution network line insulation conductor detection and repair device according to claim 5, characterized in that: A bracket is provided at the bottom of the U-shaped plate, a thrust plate is provided above the bracket, a thrust bearing is provided on the thrust plate, and the transmission shaft passes through the thrust bearing and is connected to the piston block to prevent the reverse force generated by the spiral column rod squeezing the injection material upward from pushing the piston block out.

7. The low-voltage distribution network line insulation conductor detection and repair device according to claim 6, characterized in that: The structure of the material discharge assembly mainly includes a storage bin, a material discharge hopper, a first telescopic rod and a feeding pipe. The material storage bin is installed at the bottom of the lower cover, and the lower hopper is connected to the material storage bin. Vertical plates are installed on both sides of the bottom of the lower cover. Horizontal feeding pipes are connected on both sides of the heating pipe. A cylindrical block is slidably fitted in the feeding pipe. A first telescopic rod is installed on the vertical plate, and the other end of the first telescopic rod is connected to the cylindrical block. The reciprocating extension and contraction of the first telescopic rod realizes the continuous introduction of the material falling from the lower hopper into the heating pipe.

8. The low-voltage distribution network line insulation conductor detection and repair device according to claim 1, characterized in that The upper and lower molds are respectively provided with a plurality of groups of recessed holes and protrusions on the engaging surfaces. The protrusions or recessed holes on the upper mold and the recessed holes or protrusions on the lower mold are slidably matched to achieve a tight engagement of the upper and lower molds under the adjustment of the lifting assembly.

9. The low-voltage distribution network line insulation conductor detection and repair device according to claim 7, characterized in that The upper and lower molds are respectively provided with a plurality of groups of recessed holes and protrusions on the engaging surfaces. The protrusions or recessed holes on the upper mold and the recessed holes or protrusions on the lower mold are slidably matched to achieve a tight engagement of the upper and lower molds under the adjustment of the lifting assembly.

10. The low-voltage distribution network line insulation conductor detection and repair device according to claim 9, characterized in that A storage battery is arranged in the lower cover.

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