A hand power cable bending device and bending method

Abstract

The application relates to a manual power cable bending device and a bending method, which comprises a base plate assembly and a bending assembly. The base plate assembly comprises a bottom plate and an arc-shaped plate. The arc-shaped plate has an arc-shaped side wall, and the arc-shaped plate is fixed on the top plate surface of the bottom plate. A cable bending groove is formed on the arc-shaped side wall along the arc length direction of the arc-shaped side wall. An arc-shaped through hole is formed on the top plate surface of the bottom plate outside the arc-shaped side wall. The bending assembly comprises a bending column and a handle. The bending column is slidingly connected in the arc-shaped through hole, so that a cable bending gap is formed between the bending column and the arc-shaped side wall. The handle is connected with the bending column. The power cable is gradually attached to the arc-shaped side wall by driving the handle to drive the bending column, and the power cable is bent into the cable bending groove to be bent and deformed. The bending of the power cable can be easily realized. The operation is simple, the device is convenient to carry and has a low failure rate. The device can adapt to various construction environments, and the bending precision and efficiency of the power cable are effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power cable laying, in particular to a manual power cable bending device and a bending method. BACKGROUND

[0002] At present, with the progress of science and technology and the development of social productivity, the application of heavy ion accelerators in scientific research and medical fields has been rapidly developed. With the increasing number of newly-built heavy ion accelerators, the construction of accelerators is usually accompanied by the installation and construction of high-power power and electrical equipment, and these high-power equipment is usually equipped with large-section power cables. However, in the process of laying a large number of power cables, due to the requirements of electrical safety specifications and the limitations of process technology, workers usually need to manually bend the cables into the required radius to meet the construction requirements, which greatly increases the difficulty and workload of construction.

[0003] For manual bending of large-section cables, the existing traditional method is to first measure the cable outer diameter by calculation, and then manually bend the cable into the required radius by simple tools according to the minimum turning radius. This method is labor-intensive, low-efficiency, and the bending process level is uneven. When a large number of cables need to be laid or the cable outer diameter is too large, the efficiency will be even lower, and the worker's manual bending of the cable can also easily cause damage to the cable insulation and the bending radius not to meet the standards. SUMMARY

[0004] The purpose of the present application is to provide a manual power cable bending device and a bending method to solve the problems of labor-intensive, low-efficiency and non-standard bending radius in the prior art manual bending of large-section cables.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] The present application provides a manual power cable bending device, which comprises a base plate assembly and a bending assembly.

[0007] The base plate assembly comprises a bottom plate and an arc-shaped plate, the arc-shaped plate has an arc-shaped side wall, and the arc-shaped plate is fixed on the top plate surface of the bottom plate, the cable bending slot is formed on the arc-shaped side wall along the arc length direction of the arc-shaped side wall, and the arc-shaped through hole is formed on the top plate surface of the bottom plate outside the arc-shaped side wall.

[0008] The bending assembly comprises a bending column and a handle, the bending column is slidingly connected in the arc-shaped through hole, so that the bending column and the arc-shaped side wall form a cable bending gap therebetween, and the handle is connected with the bending column.

[0009] Further, the arc-shaped plate is a 90° arc-shaped planar plate structure, and the arc length of the arc-shaped through hole is adapted to the arc length of the arc-shaped side wall.

[0010] Further, the arc-shaped plate has a first straight side wall and a second straight side wall with a 90° included angle, two ends of the cable bending groove extend to the straight side walls of the corresponding side respectively and form openings, a cable fixing clamp is fixed on the outer side of the first straight side wall, the cable fixing clamp has a U-shaped clamping opening with the opening facing upward, and the U-shaped clamping opening is arranged opposite to the opening on the first straight side wall.

[0011] Further, a baffle is fixed on the outer side of the second straight side wall, the baffle is arranged in contact with the second straight side wall, the cable fixing clamp is arranged in contact with the first straight side wall, and the baffle and the cable fixing clamp form a clamping and fixing structure for the arc-shaped plate.

[0012] Further, a first sliding rail parallel to the first straight side wall is arranged on the outer side of the first straight side wall, the first sliding rail is fixed on the top plate surface of the bottom plate, the cable fixing clamp is slidingly arranged on the first sliding rail, and the cable fixing clamp is connected to the bottom plate by bolts.

[0013] A second sliding rail parallel to the second straight side wall is arranged on the outer side of the second straight side wall, the second sliding rail is fixed on the top plate surface of the bottom plate, the baffle is slidingly arranged on the second sliding rail, and the baffle is connected to the bottom plate by bolts.

[0014] Further, a plurality of arc-shaped through holes are sequentially arranged on the top plate surface of the bottom plate along the direction in which the radius of the arc-shaped plate increases, and the arc lengths of the plurality of arc-shaped through holes sequentially increase along the direction in which the radius of the arc-shaped plate increases.

[0015] Further, a scale mark structure is arranged on the inner side of the arc-shaped through hole, the scale mark structure includes a plurality of angle mark members arranged along the arc length direction of the arc-shaped through hole, the identification angles of the plurality of angle mark members sequentially increase from one end of the arc-shaped through hole to the other end, wherein the identification angle of one end of the arc-shaped through hole is 0°, and the identification angle of the other end of the arc-shaped through hole is 90°.

[0016] Further, the bending assembly further includes a connecting plate, the connecting plate is arranged below the bottom plate, one end of the connecting plate is rotationally connected to the bottom surface of the bottom plate at the plane included angle of the arc-shaped plate by bolts, a first threaded hole is arranged on the plate body of the connecting plate at the arc-shaped through hole, an outer thread is arranged on the outer wall of the column body of the bottom end of the bending column, and the bottom end of the bending column is threadedly connected to the connecting plate at the first threaded hole.

[0017] Further, the handle is horizontally arranged above the bottom plate, a second threaded hole is horizontally arranged on the column wall of the bending column, one end of the handle is threadedly connected to the second threaded hole, and a rubber handle sleeve is sleeved on the other end of the handle.

[0018] Based on the above-mentioned manual power cable bending device, the application further provides a bending method, which comprises the following steps:

[0019] According to the outer diameter of the power cable, the minimum bending radius of the power cable is determined;

[0020] According to the determined minimum bending radius, the arc-shaped plate with the same radius as the minimum bending radius is selected, and the selected arc-shaped plate is assembled and fixed with the bottom plate;

[0021] After the manual power cable bending device is prepared, the power cable is placed on the manual power cable bending device and fixed, the handle is driven to drive the bending column to move along the arc-shaped through hole, and the power cable is gradually attached to the arc-shaped side wall, until the power cable is bent and deformed in the cable bending groove;

[0022] According to the required bending angle, the handle is driven to drive the bending column to move to the preset angle mark, and the bending of the power cable is completed.

[0023] The application has the following beneficial effects due to the above technical scheme:

[0024] By arranging the substrate assembly and the bending assembly, the arc-shaped plate and the arc-shaped through hole are arranged on the bottom plate, the bending column is slidingly connected in the arc-shaped through hole, the cable bending gap is formed between the bending column and the arc-shaped side wall, the lever structure is formed by the arc-shaped plate, the bending column and the handle, and based on the lever principle, after the power cable is fixed, the bending column is driven by the handle to gradually attach the power cable to the arc-shaped side wall and bend into the cable bending groove to be deformed, so that the bending of the power cable is easily realized, the construction difficulty of the bending cable is reduced, and the bending precision and efficiency of the power cable are effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments and are not intended to limit the scope of the application. Throughout the drawings, same reference numerals are used for same components. In the drawings:

[0026] Figure 1It is a kind of overall structure schematic diagram of manual power cable bending device provided by the embodiment of the application.

[0027] Figure 2 It is a kind of bottom plate bottom surface structure schematic diagram of manual power cable bending device provided by the embodiment of the application.

[0028] The signs in the drawings represent as follows:

[0029] 1, base plate assembly; 11, bottom plate; 12, arc plate; 13, cable bending-in groove; 14, arc-shaped through hole; 2, bending assembly; 21, bending column; 22, handle; 221, rubber handle sleeve; 23, connecting plate; 231, first threaded hole; 3, cable fixing clamp; 4, baffle; 5, first sliding rail; 6, second sliding rail; 7, scale mark structure. DETAILED DESCRIPTION

[0030] Exemplary embodiments of the present application will be described herein below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it is understood that the present application can be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this application will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.

[0031] Since the traditional manual bending of large-section cables has the problems of high labor intensity, low efficiency and difficulty in meeting the bending radius standard, the present application provides a kind of manual power cable bending device, which comprises a base plate assembly and a bending assembly. The base plate assembly comprises a bottom plate and an arc plate fixed on the bottom plate. The arc plate has an arc-shaped side wall, and a cable bending-in groove is formed along the arc length direction of the arc-shaped side wall. An arc-shaped through hole is formed on the top surface of the bottom plate outside the arc-shaped side wall. The bending assembly comprises a bending column and a handle. The bending column is slidingly connected in the arc-shaped through hole, so that a cable bending gap is formed between the bending column and the arc-shaped side wall. The handle is connected with the bending column. After fixing the power cable, the handle is driven to drive the bending column to gradually fit the power cable to the arc-shaped side wall and bend into the groove to deform, so that the bending of the power cable can be easily realized, and the bending accuracy and efficiency of the power cable are effectively improved.

[0032] The scheme of the present application will be described in detail through the following embodiments.

[0033] Embodiments

[0034] As Figure 1As shown, the present application provides a manual power cable bending device, which comprises a base plate assembly 1 and a bending assembly 2. The base plate assembly 1 comprises a bottom plate 11 and an arc-shaped plate 12, the arc-shaped plate 12 has an arc-shaped side wall, and the arc-shaped plate 12 is fixed on the top plate surface of the bottom plate 11. The arc-shaped side wall is provided with a cable bending slot 13 along the arc length direction of the arc-shaped side wall, and an arc-shaped through hole 14 is provided on the top plate surface of the bottom plate 11 outside the arc-shaped side wall. The bending assembly 2 comprises a bending column 21 and a handle 22. The bending column 21 is slidingly connected in the arc-shaped through hole 14, so that a cable bending gap is formed between the bending column 21 and the arc-shaped side wall, and the handle 22 is connected with the bending column 21. Through the arrangement of the structure, the arc-shaped plate 12, the bending column 21 and the handle 22 form a lever structure, based on the principle of lever, only after fixing the power cable in the cable bending gap, the handle 22 is driven to drive the bending column 21 to make the power cable gradually fit the arc-shaped side wall, and until the bending deformation occurs in the cable bending slot 13, the bending of the power cable can be easily realized.

[0035] Further, the arc-shaped plate 12 is a 90° arc-shaped planar plate structure, and the arc length of the arc-shaped through hole 14 is matched with the arc length of the arc-shaped side wall. Through the arrangement of the structure, the arc-shaped plate 12 is a 90° arc-shaped planar plate structure, so that the angle corresponding to the arc length of the arc-shaped side wall is 90°, so that the bending of the power cable at any angle between 0° and 90° can be realized, so as to meet more working condition requirements. The arc-shaped plate 12 is fixedly connected with the bottom plate 11 by bolts, which is convenient for disassembly and assembly. In addition, the bottom plate 11 can also be selected as a 90° planar plate structure to match the arc-shaped plate 12, which can meet the needs of most power engineering construction. If there is a greater demand for cable bending radius, the angle of the slot of the bottom plate 11 and the arc-shaped plate 12 can be increased.

[0036] Further, the arc-shaped plate 12 has a first straight side wall and a second straight side wall which form a 90° angle, and the cable bending slot 13 extends to the corresponding straight side wall at both ends and forms an opening. A cable fixing clamp 3 is fixed outside the first straight side wall, the cable fixing clamp 3 has a U-shaped clamping opening with the opening facing upward, and the U-shaped clamping opening is arranged opposite to the opening on the first straight side wall. Through the arrangement of the structure, the power cable can be clamped and fixed by the cable fixing clamp 3, so as to avoid the power cable from being easily deviated or shaken during bending. And the U-shaped clamping opening of the cable fixing clamp 3 is arranged opposite to the opening on the first straight side wall, so that the power cable can be fixed along the arc-shaped side wall in the forward direction, so as to facilitate the bending deformation of the power cable in the cable bending slot 13 by driving the handle 22 to drive the bending column 21. Preferably, the material of the arc-shaped plate 12 can be selected from steel or hard resin, and considering the weight, if the material is steel, the arc-shaped plate 12 can be made into a hollow structure.

[0037] Furthermore, a baffle 4 is fixed to the outside of the second straight side wall. The baffle 4 is arranged in contact with the second straight side wall, and the cable clamp 3 is arranged in contact with the first straight side wall, so that the baffle 4 and the cable clamp 3 form a clamping and fixing structure for the curved plate 12. Through the arrangement of this structure, the baffle 4 and the cable clamp 3 can be used to lock the curved plate 12 from the two straight side walls of the curved plate 12, thereby preventing the curved plate 12 from easily moving left and right during bending, thereby improving the bending accuracy of the power cable. Among them, the cable clamp 3 adopts a steel plate cold bending process, and two holes are correspondingly opened on the surface of the clamp. The size of the holes can be consistent with the size of the pre-opened notches on both sides of the bottom plate 11, thereby facilitating the fixing of the cable clamp 3.

[0038] Furthermore, a first slide rail 5 parallel to the first straight side wall is provided on the outside of the first straight side wall. The first slide rail 5 is fixed to the top surface of the base plate 11. The cable clamp 3 is slidably mounted on the first slide rail 5 and is connected to the base plate 11 via bolts. A second slide rail 6 parallel to the second straight side wall is provided on the outside of the second straight side wall. The second slide rail 6 is fixed to the top surface of the base plate 11. The baffle 4 is slidably mounted on the second slide rail 6 and is connected to the base plate 11 via bolts. This structural arrangement allows the cable clamp 3 and baffle 4 to be fixed to the base plate 11 with bolts, facilitating their assembly and disassembly. Furthermore, the cable clamp 3 and baffle 4 can slide on the slide rails, allowing their positions to be adjusted according to the size of the curved plate 12 being used.

[0039] Furthermore, a plurality of arc-shaped through holes 14 are sequentially opened on the top plate surface of the bottom plate 11 in the direction in which the radius of the arc-shaped plate 12 increases, and the arc lengths of the plurality of arc-shaped through holes 14 increase sequentially in the direction in which the radius of the arc-shaped plate 12 increases. By setting up this structure and utilizing a plurality of arc-shaped through holes 14 with different arc lengths, it is possible to select arc-shaped plates 12 of different sizes according to the size of the power cable to be bent. Among them, the arc-shaped plates 12 of different sizes are all 90° arc-shaped plates 12, and the radius of the arc-shaped plates 12 can be preferably 200mm, 400mm, 600mm, 800mm and 1000mm, etc., according to the size of the power cable to be bent, which can meet the 90° bending requirements of all cables with an outer diameter of 15mm-60mm, and meet the requirement in the electrical safety specification that the cable bending radius is not less than 15 times the outer diameter, and the width of the arc-shaped through hole 14 is preferably 30mm.

[0040] Further, the inner side of the arc-shaped through hole 14 is provided with a scale mark structure 7 engraved on the top plate surface of the bottom plate 11. The scale mark structure 7 comprises a plurality of angle mark pieces arranged along the arc length direction of the arc-shaped through hole 14, and the mark angles of the plurality of angle mark pieces increase in sequence from one end to the other end of the arc-shaped through hole 14. Among them, the mark angle of one end of the arc-shaped through hole 14 is 0°, and the mark angle of the other end of the arc-shaped through hole 14 is 90°. Through the arrangement of the scale mark structure 7, the handle 22 can be clearly driven to move the bending column 21 to the specified angle position, thereby improving the precision of the power cable bending.

[0041] Further, in combination with Figure 2 As shown in the figure, the bending assembly 2 further comprises a connecting plate 23. The connecting plate 23 is arranged below the bottom plate 11, and one end of the connecting plate 23 is located at the plane angle of the arc-shaped plate 12 and is rotationally connected to the bottom plate surface of the bottom plate 11 by a bolt, and a first threaded hole 231 is formed in the plate body of the connecting plate 23 at the arc-shaped through hole 14. The outer wall of the bottom end of the bending column 21 is provided with an external thread, and the bottom end of the bending column 21 is threadedly connected to the connecting plate 23 at the first threaded hole 231. Among them, the rotating plate 23 is preferably a long plate structure. Through the arrangement of the structure, the size of the arc-shaped plate 12 can be adjusted according to the selected size, and the bending column 21 can be adjusted to slide in the adapted arc-shaped through hole 14 to adapt to different specifications of the power cable.

[0042] Further, the handle 22 is horizontally arranged above the bottom plate 11, a second threaded hole is transversely formed in the column wall of the bending column 21, and one end of the handle 22 is threadedly connected to the bending column 21 at the second threaded hole. Preferably, the material of the handle 22 is selected to be a round steel with a specification not less than 30mm and a length not less than 600mm. Through the arrangement of the structure, the handle 22 and the bending column 21 can be conveniently disassembled. In addition, a rubber handle sleeve 221 is sleeved on the other end of the handle 22, and the surface of the rubber handle sleeve 221 is treated to prevent slipping. Through the arrangement of the structure, manual operation is facilitated, and the handle 22 is prevented from slipping during the bending of the power cable.

[0043] Based on the above-mentioned manual power cable bending device, the present application further provides a bending method, comprising:

[0044] According to the outer diameter of the power cable, the minimum bending radius of the power cable is determined;

[0045] According to the determined minimum bending radius, an arc-shaped plate 12 with the same radius as the minimum bending radius is selected, and the selected arc-shaped plate 12 is assembled and fixed with the bottom plate 11;

[0046] After the manual power cable bending device is ready, the power cable is placed on the manual power cable bending device for fixation, the driving handle 22 drives the bending column 21 to move along the arc-shaped through hole 14, and the power cable is gradually attached to the arc-shaped side wall until the power cable is bent into the cable bending slot 13 and deformed;

[0047] According to the angle of the bending, the driving handle 22 drives the bending column 21 to move to the preset angle mark, and the bending of the power cable is completed.

[0048] The manual power cable bending device has the following beneficial effects:

[0049] 1. By arranging the base plate assembly 1 and the bending assembly 2, only after the power cable is fixed, the driving handle 22 drives the bending column 21 to gradually attach the power cable to the arc-shaped side wall and bend into the cable bending slot 13 to deform, realizing semi-mechanical construction of the power cable bending, making the cable bending more standardized and safe during the entire cable laying construction process, and reducing the damage to the cable during the bending process.

[0050] 2. The arc-shaped plate, the bending column and the handle constitute a lever structure, so that the manual power cable bending device adopts the lever principle during the bending process, reduces the construction difficulty of the bending cable, is simple to operate, convenient to carry and has low failure rate, and can adapt to various construction environments.

[0051] 3. The arc-shaped plate 12 with an arc length of 200mm-1000mm can be arranged, and the 90° bending of all cables with an outer diameter of 15mm-60mm can be satisfied, so that the requirement that the cable bending radius is not less than 15 times the outer diameter in the electrical safety specification is met.

[0052] 4. The cable bending slot 13 on the arc-shaped side wall of the arc-shaped plate 12 can drive the bending column 21 to bend the power cable into the cable bending slot 13 to deform, so that the cable does not deform or twist during the bending process.

[0053] 5. Based on the 90° arc-shaped plate 12, the scale mark structure 7 can accurately bend the cable to an angle of 0-90 degrees, which meets the requirements of most power engineering constructions, and if there is a greater demand for the cable bending radius, the bottom plate slot and the arc-shaped plate angle can be increased.

[0054] 6. The manual power cable bending device has simple mechanical structure, does not need a hydraulic or motor power system, has low cost, and has wide application range.

[0055] It should be pointed out finally that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit the same; and although the present application has been described in detail with reference to the foregoing embodiments, it should be appreciated by those skilled in the art that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features thereof can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A manual power cable bending device, characterized by: The manual power cable bending device includes a base plate assembly and a bending assembly; The base plate assembly includes a bottom plate and an arc-shaped plate, the arc-shaped plate having an arc-shaped side wall, and the arc-shaped plate is fixed to the top plate surface of the bottom plate, the arc-shaped side wall is provided with a cable bending groove along its arc length direction, and an arc-shaped through hole is provided on the top plate surface of the bottom plate on the outer side of the arc-shaped side wall; The bending assembly includes a bending column and a handle. The bending column is slidably connected in the arc-shaped through hole to form a cable bending gap between the bending column and the arc-shaped side wall. The handle is connected to the bending column.

2. A manual power cable bending device according to claim 1, characterized in that: The arc plate is a 90° arc-shaped flat plate structure, and the arc length of the arc-shaped through hole is adapted to the arc length of the arc-shaped side wall.

3. A manual power cable bending device according to claim 2, characterized in that: The curved plate has a first straight side wall and a second straight side wall at a 90° angle, and both ends of the cable bending groove extend to the straight side walls on the corresponding sides and form openings. A cable fixing clamp is fixed on the outer side of the first straight side wall, and the cable fixing clamp has a U-shaped clamping opening with an upward opening, and the U-shaped clamping opening is arranged directly opposite the opening on the first straight side wall.

4. A manual power cable bending device according to claim 3, characterized in that: A blocking piece is fixed on the outer side of the second straight side wall, and the blocking piece is arranged in contact with the second straight side wall. The cable fixing clamp is arranged in contact with the first straight side wall, so that the blocking piece and the cable fixing clamp form a clamping and fixing structure for the arc plate.

5. A manual power cable bending device according to claim 4, characterized in that: A first slide rail parallel to the first straight side wall is provided on the outer side of the first straight side wall, the first slide rail is fixed to the top surface of the base plate, the cable fixing clamp is slidably arranged on the first slide rail, and the cable fixing clamp is connected to the base plate by a bolt; A second slide rail parallel to the second straight side wall is provided on the outer side of the second straight side wall, the second slide rail is fixed on the top plate surface of the base plate, the baffle is slidably arranged on the second slide rail, and the baffle is connected to the base plate by bolts.

6. A manual power cable bending device according to claim 5, characterized in that: A plurality of arc-shaped through holes are sequentially provided on the top plate surface of the bottom plate along the direction in which the radius of the arc-shaped plate increases, and the arc lengths of the plurality of arc-shaped through holes sequentially increase along the direction in which the radius of the arc-shaped plate increases.

7. A manual power cable bending device according to claim 6, characterized in that: The inner side of the arc-shaped through hole is provided with a scale marking structure engraved on the top plate surface of the bottom plate, and the scale marking structure includes a plurality of angle marking members arranged along the arc length direction of the arc-shaped through hole, and the marking angles of the plurality of angle marking members increase successively from one end to the other end of the arc-shaped through hole, wherein the marking angle at one end of the arc-shaped through hole is 0°, and the marking angle at the other end of the arc-shaped through hole is 90°.

8. The manual power cable bending device according to claim 6, characterized in that: The bending assembly also includes a connecting plate, which is arranged below the base plate. One end of the connecting plate is located at the plane angle of the arc plate and is rotatably connected to the bottom plate surface of the base plate by bolts. A first threaded hole is opened on the plate body of the connecting plate at the arc-shaped through hole. An external thread is provided on the outer wall of the column at the bottom end of the bending column, and the bottom end of the bending column is located at the first threaded hole and is threadedly connected to the connecting plate.

9. The manual power cable bending device according to claim 8, characterized in that: The handle is horizontally arranged above the base plate, and a second threaded hole is horizontally opened on the column wall of the bending column. One end of the handle is located at the second threaded hole and is threadedly connected to the bending column, and the other end of the handle is sleeved with a rubber handle sleeve.

10. A bending method, using a manual power cable bending device according to any one of claims 1 to 9, characterized in that: The bending method comprises: Determine the minimum bending radius of the power cable based on the outer diameter of the power cable used; According to the determined minimum bending radius, selecting the arc plate having the same radius as the minimum bending radius, and assembling and fixing the selected arc plate to the base plate; After the manual power cable bending device is ready, the power cable is placed on the manual power cable bending device and fixed, and the handle is driven to drive the bending column to move along the arc-shaped through hole, and the power cable is driven to gradually fit the arc-shaped side wall until the power cable is bent into the cable bending groove and bent; According to the required bending angle, the handle is driven to drive the bending column to move to a preset angle mark to complete the bending of the power cable.

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