Device for detecting appearance defects of transposed conductor

Through the combination of mounting plate, clamping assembly and shear mechanism, the cost problem of existing devices for single-size detection and blocking detection effect are solved, and effective clamping and efficient shearing of different sizes of transposition conductors are achieved, ensuring detection effect and production continuity.

CN120507285APending Publication Date: 2025-08-19WUXI XIZHOU MAGNET WIRES
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Patent Information

Application Number
CN202510643690.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-19
Publication Date
2025-08-19

AI Technical Summary

Technical Problem

The existing transposition conductor detection device can only detect a single size, which increases the cost; the photoelectric sensor is easily blocked when detecting it, affecting the detection effect; the shearing device is not fixed, resulting in slippage affecting efficiency.

Method used

The combination of mounting plate, clamping assembly, detection mechanism and shearing mechanism is adopted to fix the transposition conductors of different sizes through the clamping assembly, and the photoelectric sensor is used to detect the defective conductors separately, and the shearing mechanism is used to position and shear the defective conductors.

Benefits of technology

Effective clamping detection of different sizes of transposition conductors is achieved, the detection effect and shear efficiency are improved, and the continuity of the production line and product quality are ensured.

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Abstract

The invention discloses a transposed conductor appearance defect detection device, and relates to the technical field of transposed conductor appearance detection.The transposed conductor appearance defect detection device comprises a detection base, the front side and the rear side of the top of the detection base are each provided with a mounting plate, and the tops of the two mounting plates are each provided with three mounting grooves at equal intervals in an array mode; two clamping assemblies are arranged on the inner walls of the three mounting grooves in a mirror image mode, a detection mechanism is arranged at the position, close to the position between the two mounting plates, of the top of the detection base, three shearing mechanisms are arranged at the top of the transverse face of the U-shaped frame plate in an equidistant array mode, and a display screen and a controller are arranged outside the detection mechanism. And an alarm is arranged at the top of the detection mechanism. The appearance of the transposed conductor is detected through the first photoelectric correlation sensor and the second photoelectric correlation sensor, the shape of the transposed conductor is displayed through the display screen, and when defects are detected, an alarm is given out through the alarm to remind detection personnel.
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Description

Technical Field

[0001] The present invention relates to the technical field of transposed conductor shape detection, and in particular to a transposed conductor shape defect detection device. Background Art

[0002] The use of transposed conductors in the windings of large power transformers can significantly reduce load losses, reduce the temperature rise of hot spots in the windings, improve the mechanical strength of the windings, make the structure more compact, and make coil processing easier. Therefore, once transposed conductors came into being, they have been widely used in the design and manufacture of large power transformer windings. During the production and manufacturing process of transposed conductors, various abnormal situations often occur, such as poor wiring of enameled wires, abnormal tooling or adjustment of transposed heads, etc. These may cause defects such as misalignment and jumpering of transposed conductors that are difficult to detect, causing slight deformation of the appearance of the originally regular and neat transposed conductor products, resulting in product defects. The following problems exist in the existing technology:

[0003] Existing detection devices can only detect transposed conductors of a single size. When using transposed conductors of different sizes, multiple detection mechanisms need to be equipped, which increases the detection cost. Existing detection devices usually use photoelectric beam sensors to detect the appearance defects of transposed conductors. However, since the transposed conductors are arranged in rows, the light beam emitted by the transmitter is easily blocked, resulting in the receiver not receiving the light signal, affecting the detection effect. Secondly, when unqualified transposed conductors are detected, they are usually cut by a shearing device to ensure the continuity of the production line and product quality. However, since the shearing device is not set to fix the transposed conductors, it is easy to slip during the cutting process, affecting the cutting efficiency. Summary of the Invention

[0004] The present invention provides a device for detecting outer defects of transposed conductors to solve the problems existing in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A transposed conductor shape defect detection device includes a detection seat, wherein mounting plates are respectively provided on the front and rear sides of the top of the detection seat, and support legs are respectively fixedly connected to the left and right sides of the bottom of the two mounting plates, and the bottoms of the support legs are fixedly connected to the top of the detection seat. Three mounting slots are respectively formed in an equidistant array on the top of the two mounting plates, and two clamping assemblies are mirror-imaged on the inner walls of the three mounting slots. A detection mechanism is provided on the top of the detection seat near the two mounting plates, and a U-shaped frame is fixedly connected to the side of the top of the detection seat near the rear mounting plate. A cutting table is fixedly connected to the lower side of the vertical inner wall of the U-shaped frame, and three shearing mechanisms are equidistantly provided in an array on the top of the transverse surface of the U-shaped frame, and the outer walls of the three shearing mechanisms extend to the upper side of the interior of the U-shaped frame near the cutting table. The shearing mechanisms and the exterior of the clamping assemblies are respectively arranged on the same horizontal plane. A display screen and a controller are provided on the exterior of the detection mechanism, and an alarm is provided on the top of the detection mechanism, and the port of the display screen is electrically connected to the signal end of the alarm via a wire.

[0007] A further improvement of the technical solution of the present invention is that the clamping assembly includes a wire roller, a movable plate and a movable block, the bottom of the movable plate is rotatably connected to the upper surface of the wire roller, the top of the movable block is fixedly connected to the middle side of the lower surface of the wire roller, and a socket is opened in the middle of the movable block to pass through the left and right sides.

[0008] A further improvement of the technical solution of the present invention is that: the middle sides of the inner walls of the three installation grooves are fixedly connected with sliding rods, and the left and right sides of the outer walls of the sliding rods are respectively sleeved with return springs.

[0009] A further improvement of the technical solution of the present invention is that the outer wall of the sliding rod is sleeved with the inner part of the socket, one end of the two return springs is overlapped with the ends of the two moving blocks away from each other, and the ends of the two return springs away from each other are overlapped with the left and right ends of the inner wall of the installation groove respectively.

[0010] A further improvement of the technical solution of the present invention is that: the detection mechanism includes a detection shell, two photoelectric corresponding sensors 1, two photoelectric corresponding sensors 2, two guide rods 1 and two guide rods 2, the connection ends of the two photoelectric corresponding sensors 1 are respectively fixedly connected to the upper and lower ends of the inner wall of the detection shell, the connection ends of the two photoelectric corresponding sensors 2 are respectively fixedly connected to the left and right ends of the inner wall of the detection shell, the left and right ends of the two guide rods 1 are respectively fixedly connected to the front and rear sides of the inner wall of the detection shell close to the photoelectric corresponding sensor 1 and the photoelectric corresponding sensor 2, and the front and rear ends of the two guide rods 2 are respectively fixedly connected to the lower side of the inner wall of the detection shell close to the guide rod 1.

[0011] A further improvement of the technical solution of the present invention is that the bottom of the detection housing is fixedly connected to the top of the detection base, and the ports of the photoelectric corresponding sensor 1 and the photoelectric corresponding sensor 2 are electrically connected to the connection ends of the display screen and the alarm respectively through wires.

[0012] A further improvement of the technical solution of the present invention is that: a cutting groove is opened on the upper surface of the cutting table, and the shearing mechanism includes an electric telescopic rod, a fixed plate, a blade and two positioning components. The output end of the electric telescopic rod passes through the interior of the U-shaped frame plate and is fixedly connected to the top of the fixed plate. The upper end of the blade is fixedly connected to the middle side of the bottom of the fixed plate. The outer parts of the two positioning components are respectively arranged on the front and rear sides of the fixed plate close to the blade, and the bottom of the blade and the inner part of the cutting groove are arranged on the same vertical line.

[0013] A further improvement of the technical solution of the present invention is that: the positioning assembly includes a movable rod, a pressure plate, a limit plate and a spring, the outer wall of the movable rod passes through the upper and lower ends of the fixed plate and is slidably connected therebetween, the upper end of the movable rod is fixedly connected to the bottom of the limit plate, the lower end of the movable rod is fixedly connected to the top of the pressure plate, the inner part of the spring is sleeved on the outer wall of the movable rod, the upper end of the spring overlaps the lower surface of the fixed plate, and the lower end of the spring overlaps the upper surface of the pressure plate.

[0014] Due to the adoption of the above technical solution, the present invention has the following technical advancements compared to the prior art:

[0015] 1. The present invention provides a transposed conductor external defect detection device. The device utilizes a mounting plate, support legs, mounting slots, and clamping assemblies to expand two clamping assemblies along the mounting slots and utilize the reaction force exerted by a return spring to clamp the transposed conductor. This device solves the problem that existing detection devices can only detect transposed conductors of a single size. When used with transposed conductors of different sizes, multiple detection mechanisms are required, increasing detection costs. The device achieves the beneficial effect of facilitating clamping and detection of transposed conductors of different sizes.

[0016] 2. The present invention provides a transposed conductor shape defect detection device, which uses the cooperation between a detection mechanism, a display screen and an alarm. By sequentially limiting the position of multiple transposed conductors on two front and rear guide rods, a distance is created between the multiple transposed conductors, making it convenient for photoelectric matching sensors 1 and 2 to detect the shape of the transposed conductors, and displaying the shape of the transposed conductors on the display screen. When a defect is detected, an alarm is sounded to alert the inspection personnel, thereby solving the problem that existing detection devices usually use photoelectric matching sensors to detect shape defects of transposed conductors, but because the transposed conductors are arranged in rows, the light beam emitted by the transmitter is easily blocked, resulting in the receiver not receiving the light signal, thus affecting the detection effect. By separately detecting the multiple transposed conductors, the photoelectric matching sensors can be used to detect the shape defects of the transposed conductors.

[0017] 3. The present invention provides a device for detecting external defects of transposed conductors, which adopts the cooperation between a U-shaped frame plate, a cutting table and a shearing mechanism. When the shearing mechanism is used to shear transposed conductors with external defects, the positioning component presses and positions both sides of the transposed conductor to be sheared when the blade moves downward for shearing through an electric telescopic rod, thereby facilitating rapid shearing of the transposed conductors. This solves the problem that the shearing device is not provided with a fixed position for the transposed conductors, resulting in the phenomenon of slipping during the shearing process, which affects the shearing efficiency, thereby improving the efficiency of shearing of the transposed conductors. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the shape defect detection device of the present invention;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the clamping assembly of the present invention;

[0020] Figure 3 This is a cross-sectional schematic diagram of the installation of the three-dimensional structure of the clamping assembly of the present invention;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the detection mechanism of the present invention;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the shearing mechanism of the present invention;

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the positioning component of the present invention.

[0024] In the figure: 1. Detection seat; 2. Mounting plate; 21. Slide rod; 22. Return spring; 3. Support leg; 4. Mounting slot; 5. Clamping assembly; 51. Wire roller; 52. Moving plate; 53. Moving block; 530. Jack; 6. Detection mechanism; 61. Detection housing; 62. Photoelectric beam sensor 1; 63. Photoelectric beam sensor 2; 64. Guide rod 1; 65. Guide rod 2; 7. U-shaped frame; 8. Cutting table; 801. Cutting groove; 9. Shearing mechanism; 91. Electric telescopic rod; 92. Fixed plate; 93. Blade; 94. Positioning assembly; 941. Movable rod; 942. Pressure plate; 943. Limit plate; 944. Spring; 10. Display screen; 11. Alarm; 12. Controller. DETAILED DESCRIPTION

[0025] The present invention is described in further detail below in conjunction with the embodiments:

[0026] Example 1

[0027] like Figure 1-6 As shown, the present invention provides a transposed conductor shape defect detection device, comprising a detection seat 1, a mounting plate 2 is respectively provided on the front and rear sides of the top of the detection seat 1, a support leg 3 is fixedly connected to the left and right sides of the bottom of the two mounting plates 2, the bottom of the support leg 3 is fixedly connected to the top of the detection seat 1, three mounting slots 4 are respectively arranged in an equidistant array on the top of the two mounting plates 2, two clamping assemblies 5 are mirrored on the inner walls of the three mounting slots 4, a detection mechanism 6 is provided between the two mounting plates 2 on the top of the detection seat 1, and a clamping member 5 is provided on the top of the detection seat 1 near the rear mounting plate 2. A U-shaped frame plate 7 is fixedly connected to the side, and a cutting table 8 is fixedly connected to the lower side of the inner wall of the U-shaped frame plate 7 in the vertical direction. Three shearing mechanisms 9 are arranged in an equidistant array on the top of the transverse surface of the U-shaped frame plate 7, and the outer walls of the three shearing mechanisms 9 all penetrate to the upper side of the interior of the U-shaped frame plate 7 near the cutting table 8. The shearing mechanisms 9 and the outside of the clamping assembly 5 are respectively arranged on the same horizontal plane. A display screen 10 and a controller 12 are provided on the outside of the detection mechanism 6. An alarm 11 is provided on the top of the detection mechanism 6. The port of the display screen 10 is electrically connected to the signal end of the alarm 11 through a wire;

[0028] A mounting plate 2, a supporting leg 3, a mounting slot 4, a clamping assembly 5, a detection mechanism 6, a U-shaped frame plate 7, a cutting table 8, a shearing mechanism 9, a display screen 10 and an alarm 11 are provided. Through the coordinated operation of the mounting slot 4 and the clamping assembly 5, transposed conductors of different sizes can be clamped and positioned, and then the transposed conductors are sequentially passed through the detection mechanism 6 from front to back, so that the detection mechanism 6 can perform a full range of inspection on the appearance of the transposed conductors, and the transposed conductors detected to have defects are cut off through the shearing mechanism 9.

[0029] Example 2

[0030] like Figure 1-6 As shown, based on Example 1, the present invention provides a technical solution: preferably, the clamping assembly 5 includes a wire roller 51, a movable plate 52 and a movable block 53, the bottom of the movable plate 52 is rotatably connected to the upper surface of the wire roller 51, and when the transposition wire moves, the movable plate 52 can be driven to rotate on the wire roller 51, and the top of the movable block 53 is fixedly connected to the middle side of the lower surface of the wire roller 51, and the middle part of the movable block 53 is provided with a left and right through-hole 530, and the middle side of the inner wall of the three mounting grooves 4 is fixedly connected with a sliding Rod 21, the left and right sides of the outer wall of the slide rod 21 are respectively sleeved with return springs 22, the outer wall of the slide rod 21 is sleeved with the inner part of the jack 530, one end of the two return springs 22 is respectively overlapped with the end away from the two moving blocks 53, and the ends away from the two return springs 22 are respectively overlapped with the left and right ends of the inner wall of the mounting groove 4. The two moving plates 52 are opened along the outer wall of the slide rod 21 by the moving block 53 to compress the return spring 22, and the reaction force of the return spring 22 is used to clamp the transposed wire.

[0031] Example 3

[0032] like Figure 1-6 As shown, on the basis of Example 1, the present invention provides a technical solution: preferably, the detection mechanism 6 includes a detection shell 61, two photoelectric beam sensors 1 62, two photoelectric beam sensors 2 63, two guide rods 1 64 and two guide rods 2 65, the connection ends of the two photoelectric beam sensors 1 62 are respectively fixedly connected to the upper and lower ends of the inner wall of the detection shell 61, and the connection ends of the two photoelectric beam sensors 2 63 are respectively fixedly connected to the left and right ends of the inner wall of the detection shell 61. By arranging the photoelectric beam sensors 1 62 and the photoelectric beam sensors 2 63 around the detection shell 61, the external side of the transposed wire can be detected in all directions, and the left and right ends of the two guide rods 1 64 are respectively fixedly connected On the front and rear sides of the inner wall of the detection shell 61 near the photoelectric matching sensor 1 62 and the photoelectric matching sensor 2 63, the front and rear ends of the two guide rods 2 65 are respectively fixedly connected to the lower side of the inner wall of the detection shell 61 near the guide rod 1 64, and the bottom of the detection shell 61 is fixedly connected to the top of the detection base 1. By installing the guide rod 1 64 and the guide rod 2 65 in the detection shell 61, the transposed wires of the detection can be separated by a certain distance to prevent the receivers in the photoelectric matching sensor 1 62 and the photoelectric matching sensor 2 63 from not receiving the light signal. The ports of the photoelectric matching sensor 1 62 and the photoelectric matching sensor 2 63 are electrically connected to the connection ends of the display screen 10 and the alarm 11 respectively through wires.

[0033] Example 4

[0034] like Figure 1-6As shown, on the basis of embodiment 1, the present invention provides a technical solution: preferably, a cutting groove 801 is opened on the upper surface of the cutting table 8, and the shearing mechanism 9 includes an electric telescopic rod 91, a fixed plate 92, a blade 93 and two positioning components 94. The output end of the electric telescopic rod 91 passes through the interior of the U-shaped frame plate 7 and is fixedly connected to the top of the fixed plate 92. The upper end of the blade 93 is fixedly connected to the middle side of the bottom of the fixed plate 92. The outer parts of the two positioning components 94 are respectively arranged on the front and rear sides of the fixed plate 92 near the blade 93. The bottom of the blade 93 and the interior of the cutting groove 801 are arranged on the same vertical line. The electric telescopic rod 91 telescopic movement can drive the blade 93 to cut the transposed wire on the cutting table 8. The positioning assembly 94 includes a movable rod 941, a pressure plate 942, a limit plate 943 and a spring 944. The outer wall of the movable rod 941 passes through the upper and lower ends of the fixed plate 92 and is slidably connected therebetween. The upper end of the movable rod 941 is fixedly connected to the bottom of the limit plate 943, and the lower end of the movable rod 941 is fixedly connected to the top of the pressure plate 942. The inner part of the spring 944 is sleeved on the outer wall of the movable rod 941, and the upper end of the spring 944 overlaps the lower surface of the fixed plate 92, and the lower end of the spring 944 overlaps the upper surface of the pressure plate 942. When the blade 93 moves downward, the pressure plates 942 on both sides first press on both sides of the transposed wire to press it into position, and use the elasticity of the spring 944 to enable the blade 93 to continue to move downward to achieve the effect of cutting.

[0035] The working principle of this transposed conductor shape defect detection device is described in detail below.

[0036] like Figure 1-6As shown, when using this device to detect the appearance defects of the transposed wires, first, the controller 12 is connected to the external power supply through the wires, and the three groups of transposed wires are placed in sequence between the two movable plates 52 on the mounting slot 4. The two movable plates 52 are pulled outward along the slide bar 21 through the jacks 530 in the movable block 53, thereby driving the two return springs 22 to compress and deform, and the outer sides of the transposed wires are clamped by the reaction force of the return springs 22. Then the upper transposed wire is wrapped around the upper ends of the two guide rods 1 64, the middle transposed wire passes through between the guide rod 1 64 and the guide rod 2 65, and then the lower transposed wire is wrapped around the lower ends of the two guide rods 2 65, so that the transposed wires pass through the detection housing 61, and then are clamped and positioned between the two movable plates 52 at the rear through the above steps, so that the spacing between the transposed wires is narrowed. A distance is set aside so that the photoelectric beam sensor 1 62 and the photoelectric beam sensor 2 63 can perform an all-round detection on the shape of the transposed conductor. By using the photoelectric effect to detect the shape change of the transposed conductor, the shape change defects of the transposed conductor can be effectively and continuously detected online. The detected image is then displayed on the display screen 10 for the shape of the transposed conductor. When a defect is detected in the shape of the transposed conductor, an alarm is sounded through the alarm 11 to remind the inspection personnel. The inspection personnel activates the electric telescopic rod 91 in the corresponding direction according to the position of the transposed conductor. The output end of the electric telescopic rod 91 drives the fixed plate 92 to move downward, so that the two pressure plates 942 press the two sides of the transposed conductor and fix them on the cutting table 8, and uses the elasticity of the spring 944 to make the blade 93 continue to move downward and cut the transposed conductor with shape defects, thereby ensuring the continuity of the production line and product quality.

[0037] The specific types and structures of the controller, photoelectric beam sensor, electric telescopic rod, display screen and alarm used are all existing products, and the specific circuit connection structure and control relationship between the controller and the photoelectric beam sensor, electric telescopic rod, display screen and alarm are all existing technologies, so we will not go into details here.

[0038] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made based on the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A transposed conductor shape defect detection device, comprising a detection seat (1), characterized in that: The front and rear sides of the top of the detection seat (1) are respectively provided with mounting plates (2), the left and right sides of the bottom of the two mounting plates (2) are respectively fixedly connected with support legs (3), the bottom of the support legs (3) is fixedly connected to the top of the detection seat (1), the tops of the two mounting plates (2) are respectively provided with three mounting slots (4) in an equidistant array, the inner walls of the three mounting slots (4) are mirror-imaged with two clamping assemblies (5), the top of the detection seat (1) is provided with a detection mechanism (6) between the two mounting plates (2), the top of the detection seat (1) is fixedly connected with a U-shaped frame plate (7) on one side near the rear mounting plate (2), the U-shaped A cutting table (8) is fixedly connected to the lower side of the inner wall of the frame plate (7) in the vertical direction. Three shearing mechanisms (9) are arranged in an equidistant array on the top of the transverse surface of the U-shaped frame plate (7), and the outer walls of the three shearing mechanisms (9) all penetrate to the upper side of the interior of the U-shaped frame plate (7) near the cutting table (8). The shearing mechanism (9) and the outside of the clamping assembly (5) are respectively arranged on the same horizontal plane. A display screen (10) and a controller (12) are arranged on the outside of the detection mechanism (6). An alarm (11) is arranged on the top of the detection mechanism (6). The port of the display screen (10) is electrically connected to the signal end of the alarm (11) through a wire.

2. The device for detecting outer defects of transposed conductors according to claim 1, characterized in that: The clamping assembly (5) comprises a wire roller (51), a movable plate (52) and a movable block (53); the bottom of the movable plate (52) is rotatably connected to the upper surface of the wire roller (51); the top of the movable block (53) is fixedly connected to the middle side of the lower surface of the wire roller (51); and a socket (530) is provided in the middle of the movable block (53) and is passed through to the left and right.

3. The device for detecting outer defects of transposed conductors according to claim 1, characterized in that: The middle sides of the inner walls of the three installation slots (4) are fixedly connected with slide bars (21), and the left and right sides of the outer walls of the slide bars (21) are respectively sleeved with return springs (22).

4. The device for detecting outer defects of transposed conductors according to claim 3, characterized in that: The outer wall of the slide rod (21) is sleeved with the interior of the socket (530), one end of the two return springs (22) is respectively overlapped with the ends away from the two moving blocks (53), and the ends away from the two return springs (22) are respectively overlapped with the left and right ends of the inner wall of the installation groove (4).

5. The device for detecting outer defects of transposed conductors according to claim 1, characterized in that: The detection mechanism (6) includes a detection housing (61), two photoelectric matching sensors (62), two photoelectric matching sensors (63), two guide rods (64) and two guide rods (65), the connection ends of the two photoelectric matching sensors (62) are respectively fixedly connected to the upper and lower ends of the inner wall of the detection housing (61), the connection ends of the two photoelectric matching sensors (63) are respectively fixedly connected to the left and right ends of the inner wall of the detection housing (61), the left and right ends of the two guide rods (64) are respectively fixedly connected to the front and rear sides of the inner wall of the detection housing (61) near the photoelectric matching sensors (62) and the photoelectric matching sensors (63), and the front and rear ends of the two guide rods (65) are respectively fixedly connected to the lower side of the inner wall of the detection housing (61) near the guide rods (64).

6. The device for detecting outer defects of transposed conductors according to claim 5, characterized in that: The bottom of the detection housing (61) is fixedly connected to the top of the detection base (1), and the ports of the photoelectric corresponding sensor (62) and the photoelectric corresponding sensor (63) are electrically connected to the connection ends of the display screen (10) and the alarm (11) respectively through wires.

7. The device for detecting outer defects of transposed conductors according to claim 1, characterized in that: The upper surface of the cutting table (8) is provided with a cutting groove (801), and the shearing mechanism (9) comprises an electric telescopic rod (91), a fixed plate (92), a blade (93) and two positioning components (94). The output end of the electric telescopic rod (91) passes through the interior of the U-shaped frame plate (7) and is fixedly connected to the top of the fixed plate (92). The upper end of the blade (93) is fixedly connected to the middle side of the bottom of the fixed plate (92). The outer parts of the two positioning components (94) are respectively arranged on the front and rear sides of the fixed plate (92) close to the blade (93). The bottom of the blade (93) and the interior of the cutting groove (801) are arranged on the same vertical line.

8. The device for detecting outer defects of transposed conductors according to claim 7, characterized in that: The positioning assembly (94) includes a movable rod (941), a pressure plate (942), a limit plate (943) and a spring (944). The outer wall of the movable rod (941) passes through the upper and lower ends of the fixed plate (92) and is slidably connected therebetween. The upper end of the movable rod (941) is fixedly connected to the bottom of the limit plate (943). The lower end of the movable rod (941) is fixedly connected to the top of the pressure plate (942). The inner part of the spring (944) is sleeved on the outer wall of the movable rod (941). The upper end of the spring (944) is overlapped on the lower surface of the fixed plate (92), and the lower end of the spring (944) is overlapped on the upper surface of the pressure plate (942).