High-voltage aluminum cable conductor stranding device for new energy vehicles and method thereof

Abstract

The present application relates to cable conductor stranding equipment technical field, especially to new energy automobile high-voltage aluminum cable conductor stranding equipment and method thereof, the new energy automobile high-voltage aluminum cable conductor stranding equipment of the present application, including: base, circular ring block, connecting block, stranding die and connecting rod, motor drive circular ring block rotation is arranged on the base, drives aluminum alloy cable rotation, cooperates with the stranding die and carries out stranding, the connecting block is provided with hole, for cable passing;The present application is provided with mounting block, rotating block and support block on the circular ring block, when the aluminum alloy cable passes through rotating block and support roller, the bending of aluminum alloy cable is carried out by the rolling of support roller, and the bending angle is greater than the angle during stranding, so that after the resilience of aluminum alloy cable itself, the aluminum alloy cable is closely attached to the cable in the middle, thereby preventing the aluminum alloy cable from loosening by utilizing the resilience characteristics of aluminum alloy cable itself.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cable conductor stranding equipment, in particular to a high-voltage aluminum cable conductor stranding equipment for new energy vehicles and a method thereof. BACKGROUND

[0002] The development of new energy vehicles puts forward higher requirements for internal high-voltage connecting cables: they need to meet the characteristics of lightweight, high flexibility, high voltage resistance and large current at the same time, and the use of aluminum alloy conductors instead of traditional copper conductors is one of the effective ways to achieve cable lightweighting and cost control. The conductors of such high-voltage cables are usually stranded by multiple aluminum alloy wires;

[0003] However, due to the higher elasticity and plasticity of aluminum alloy conductors, the stranded conductors are prone to structural rebound during the stranding manufacturing process, which is specifically manifested in:

[0004] Loose stranding structure: after the conductor is stranded, the single wire tends to restore to its original state due to the rebounding force, resulting in loose conductor structure and even "lantern-shaped" expansion deformation, which seriously affects the structural stability and roundness of the conductor;

[0005] It is difficult to maintain the tight pressing effect: in order to obtain a tight conductor structure, tight pressing is usually required after stranding, but the rebounding property of aluminum alloy will resist the tight pressing deformation and produce a continuous relaxation effect after tight pressing, making it difficult to maintain the ideal tight pressing state, and there are gaps in the conductor;

[0006] Affecting subsequent processing and performance: the loose structure of the conductor will make it difficult for the subsequent insulation layer or shielding layer to be extruded, and the loose structure may also reduce the bending performance of the cable and affect the stability of its electrical transmission, thereby causing limitations.

[0007] Therefore, we propose a high-voltage aluminum cable conductor stranding equipment for new energy vehicles and a method thereof. SUMMARY

[0008] In view of the shortcomings of the prior art, the present application provides a high-voltage aluminum cable conductor stranding equipment for new energy vehicles and a method thereof, which overcomes the shortcomings of the prior art and aims to solve the problems in the background art.

[0009] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a high-voltage aluminum cable conductor stranding equipment for new energy vehicles, comprising:

[0010] The base, the circular block, the connecting block, the stranding die and the connecting rod are provided on the base, the motor drives the circular block to rotate, drives the aluminum alloy cable to rotate, cooperates with the stranding die to strand, and the other side of the stranding die pulls the stranded aluminum alloy cable;

[0011] The base is provided with a feeding mechanism, the connecting rod is fixedly connected to the feeding mechanism, the connecting rod is annularly distributed, the circular block is fixedly connected to the connecting rod, and the connecting block is installed on the circular block; the connecting block and the circular block are fixed by bolts, the connecting block is provided with a hole for the cable to pass through, and the twisting mold is installed on the base.

[0012] The connecting block is provided with an over-bending mechanism, the over-bending mechanism is used for pre-bending the aluminum alloy cable, so that the curvature of the aluminum alloy cable is greater than the curvature when the cable is bent, and the resilience of the aluminum alloy cable itself causes the aluminum alloy cable to bend inward and tightly fit.

[0013] Preferably, the over-bending mechanism comprises a supporting block, a mounting block, a rotating block and a supporting roller.

[0014] The supporting block is installed on the connecting block, the mounting block is installed on the supporting block, the two mounting blocks are connected in a sliding mode, the rotating block is installed on the connecting block, adjacent rotating blocks are connected to each other and form an arc, and the supporting roller is rotatably connected to the rotating block.

[0015] The base is provided with two groups of the circular block, the connecting block and the over-bending mechanism, and the aluminum alloy cable is bent in a segmented mode.

[0016] Preferably, the supporting block and the connecting block are rotatably connected and fixed by bolts, and the mounting block and the supporting block are rotatably connected and fixed by bolts.

[0017] By arranging the mounting block, the rotating block and the supporting block on the circular block, when the aluminum alloy cable passes through the rotating block and the supporting roller, the aluminum alloy cable is bent by the rolling of the supporting roller, and the bending angle is greater than the angle when the cable is twisted, so that the aluminum alloy cable tightly fits on the cable in the middle after the resilience of the aluminum alloy cable, thereby preventing the aluminum alloy cable from loosening by utilizing the resilience characteristics of the aluminum alloy cable.

[0018] Preferably, the rotating blocks are rotatably connected to each other, the supporting rods are rotatably connected to the side surfaces of the rotating blocks, the supporting rods are slidably connected to the mounting blocks, the extrusion fixing blocks are slidably connected to the mounting blocks, and the bolts are connected between the extrusion fixing blocks and the mounting blocks.

[0019] Preferably, the mounting blocks are provided with side plates, the side plates are fixedly connected with mesh plates, the base is fixedly connected with a hot air blower, and the output end of the hot air blower is connected with the mesh plate.

[0020] Preferably, the mounting block is fixedly connected with a sliding frame, the sliding frame is slidably connected with a sliding plate, and a circular hole is formed in the sliding plate.

[0021] By arranging the hot air fan on the base and the side plate and the mesh plate on the mounting block, the side plate and the mesh plate heat the aluminum alloy cable between the mounting blocks, soften the aluminum alloy cable and eliminate the stress generated when the aluminum alloy cable is bent, thereby improving the quality of the aluminum alloy cable.

[0022] The method is suitable for the high-voltage aluminum cable conductor stranding device for new energy vehicles.

[0023] S1, the aluminum alloy cable is conveyed through the feeding mechanism, the aluminum alloy cable passes through the first group of mounting blocks, rotating blocks and supporting rollers, and the aluminum alloy cable is bent into an arc shape under the guidance of the supporting rollers;

[0024] S2, the hot air generated by the hot air fan enters between the upper and lower mounting blocks from the two sides of the mounting block through the mesh plate, and heats the aluminum alloy cable between the mounting blocks;

[0025] S3, the aluminum alloy cable passes through the second group of mounting blocks, rotating blocks and supporting rollers, and the bending angle of the aluminum alloy cable after the second bending is greater than the bending angle of the cable during stranding, and then the aluminum alloy cable is stranded into a stranded aluminum alloy cable by the stranding die, and the aluminum alloy cable is tightly wrapped together under the self-rebound effect of the aluminum alloy cable.

[0026] The beneficial effects of the present application are:

[0027] 1. By arranging the mounting block, the rotating block and the supporting block on the circular ring block, the aluminum alloy cable is bent by the rolling of the supporting roller when passing through the rotating block and the supporting roller, and the bending angle is greater than the angle during stranding, so that the aluminum alloy cable is tightly attached to the middle cable after the self-rebound of the aluminum alloy cable, thereby preventing the aluminum alloy cable from loosening by utilizing the self-rebound characteristics of the aluminum alloy cable.

[0028] 2. By arranging the hot air fan on the base and the side plate and the mesh plate on the mounting block, the side plate and the mesh plate heat the aluminum alloy cable between the mounting blocks, soften the aluminum alloy cable and eliminate the stress generated when the aluminum alloy cable is bent, thereby improving the quality of the aluminum alloy cable. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The figure is a structural schematic view of the high-voltage aluminum cable conductor stranding device for new energy vehicles.

[0030] Figure 2 The figure is a structural schematic view of the high-voltage aluminum cable conductor stranding device for new energy vehicles. Figure 1Enlarged view at A;

[0031] Figure 3 Structure schematic diagram of the installation block rotating the block and supporting the roller after removing the side plate in the application;

[0032] Figure 4 For Figure 3 Enlarged view at B;

[0033] Figure 5 For Figure 3 Enlarged view at C.

[0034] In the figure: 1, base; 11, ring block; 12, connecting block; 13, twisting die; 14, connecting rod; 15, feeding mechanism; 21, supporting block; 22, installation block; 23, rotating block; 24, supporting roller; 25, supporting rod; 26, extrusion fixing block; 3, side plate; 31, mesh plate; 32, hot air blower; 4, sliding frame; 41, sliding plate; 42, round hole. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0036] Embodiment one: refer to the description attached Figures 1 to 5 The high-voltage aluminum cable conductor twisting device for new energy vehicles comprises:

[0037] The base 1, the ring block 11, the connecting block 12, the twisting die 13 and the connecting rod 14 are provided on the base 1, the motor drives the rotation of the ring block 11, drives the rotation of the aluminum alloy cable, cooperates with the twisting die 13 to twist, and the other side of the twisting die 13 pulls the twisted aluminum alloy cable;

[0038] The feeding mechanism 15 is arranged on the base 1, the connecting rod 14 is fixedly connected to the feeding mechanism 15, the connecting rod 14 is annularly distributed, the ring block 11 is fixedly connected to the connecting rod 14, and the connecting block 12 is installed on the ring block 11; the connecting block 12 and the ring block 11 are fixed through bolts, the connecting block 12 is provided with a hole for the cable to pass through, and the twisting die 13 is installed on the base 1;

[0039] The over-bending mechanism is arranged on the connecting block 12, the over-bending mechanism pre-bends the aluminum alloy cable, so that the curvature of the aluminum alloy cable is greater than the curvature when twisting, and the resilience of the aluminum alloy cable itself bends inward when twisting, and closely fits.

[0040] In the application, the over-bending mechanism comprises a support block 21, a mounting block 22, a rotating block 23 and a support roller 24;

[0041] The support block 21 is mounted on the connecting block 12, the mounting block 22 is mounted on the support block 21, the two mounting blocks 22 are connected in sliding mode, the rotating block 23 is mounted on the connecting block 12, the adjacent rotating blocks 23 are connected with each other and form an arc shape, and the support roller 24 is rotatably connected to the rotating block 23.

[0042] The base 1 is provided with two groups of circular ring blocks 11, connecting blocks 12 and over-bending mechanisms, and the aluminum alloy cable is subjected to segmented bending.

[0043] In the application, the support block 21 is rotatably connected to the connecting block 12 and fixed by a bolt, and the mounting block 22 is rotatably connected to the support block 21 and fixed by a bolt.

[0044] In the application, the aluminum alloy cable in a roll is mounted on the feeding mechanism 15, the aluminum alloy cable passes through the spherical block on the circular ring block 11, then passes through the support roller 24 between the two mounting blocks 22, and finally converges on the stranding die 13 to be stranded into a thick-stranded aluminum alloy cable by the stranding die 13.

[0045] When the aluminum alloy cable passes through the mounting block 22 and the support roller 24, the support rollers 24 on the rotating blocks 23 form an arc shape, and the rotating blocks 23 and the support rollers 24 on the two sides are located on the two sides of the aluminum alloy cable, so that the aluminum alloy cable is bent into an arc shape, and at this time, the angle of the bent aluminum alloy cable is greater than the angle of the aluminum alloy cable when it is stranded in the stranding die 13, so that the aluminum alloy cable is pulled outward by the aluminum alloy cable close to the stranding die 13 after passing through the mounting block 22, the aluminum alloy cable has resilience, and the aluminum alloy cable will be bent inward under the resilience of the aluminum alloy cable after entering the stranding die 13, so as to be attached to the remaining aluminum alloy cable and tightly wrap the aluminum alloy cable in the middle part under the resilience.

[0046] In the application, two groups of support blocks 21, mounting blocks 22, rotating blocks 23 and support rollers 24 are arranged to bend the aluminum alloy cable in segments, so as to prevent the aluminum alloy cable from being damaged when it is bent to an angle greater than the bending angle when it is stranded.

[0047] In the application, the angle of the mounting block 22 can be adjusted by loosening the bolt on the support block 21, so that the mounting block 22 can adapt to the angle of the aluminum alloy cable when it is stranded.

[0048] The application is characterized in that the mounting block 22, the rotating block 23 and the supporting block 21 are arranged on the circular block 11, the aluminum alloy cable is bent by the rolling of the supporting roller 24 when passing through the rotating block 23 and the supporting roller 24, and the bending angle is larger than the angle when the cable is twisted, so that the aluminum alloy cable is tightly attached to the middle cable after the springback of the aluminum alloy cable, thereby preventing the aluminum alloy cable from loosening by utilizing the springback characteristics of the aluminum alloy cable.

[0049] In the application, the rotating blocks 23 are connected to each other in rotation, the supporting rods 25 are connected to the sides of the rotating blocks 23 in rotation, the supporting rods 25 are connected to the mounting block 22 in sliding, the extrusion fixing blocks 26 are connected to the mounting block 22 in sliding, and the bolts are connected between the extrusion fixing blocks 26 and the mounting block 22.

[0050] In the application, the bolts between the two mounting blocks 22 are loosened, the mounting block 22 is slid, the bolts between the mounting block 22 and the extrusion fixing block 26 are loosened, the supporting rod 25 can slide, the height and angle of the supporting rod 25 are adjusted, the position of the rotating block 23 is adjusted, the curve formed by the rotating blocks 23 is adjusted, the bending angle of the aluminum alloy cable passing through the rotating block 23 and the supporting roller 24 can be adjusted, and the use range of the application is improved.

[0051] Example two: on the basis of example one, referring to the description attached Figures 1 to 5 In the application, the two sides of the mounting block 22 are provided with the side plates 3, the mesh plates 31 are fixedly connected to the side plates 3, and the hot air machines 32 are fixedly connected to the base 1.

[0052] In the application, the sliding frames 4 are fixedly connected to the mounting block 22, the sliding plates 41 are slidably connected in the sliding frames 4, and the round holes 42 are formed in the sliding plates 41.

[0053] In the application, the hot air machine 32 is connected to the mesh plate 31 through the pipeline, the hot air blown by the hot air machine 32 enters between the two mounting blocks 22 through the mesh plate 31, the side plates 3 block the two sides, the aluminum alloy cable is heated by the hot air between the mounting blocks 22, the aluminum alloy cable is heated to about 200 degrees, the aluminum alloy cable is softened, the aluminum alloy cable can be bent and twisted conveniently, the wear of the twisting die 13 is reduced, the stress generated when the aluminum alloy cable is bent is eliminated, and the quality of the aluminum alloy cable is improved, the sliding frames 4 and the sliding plates 41 are arranged on the two ends of the aluminum alloy cable entering and exiting the mounting block 22, the aluminum alloy cable enters the mounting block 22 through the round holes 42 in the sliding plates 41, and the sliding plates 41 can reduce the dispersion of the hot air from the direction of the aluminum alloy cable entering and exiting the mounting block 22.

[0054] The application sets the hot air machine 32 on the base 1, and sets the side plate 3 and the mesh plate 31 on the mounting block 22, the side plate 3 and the mesh plate 31 heat the aluminum alloy cable between the mounting blocks 22, soften the aluminum alloy cable and eliminate the stress generated when the aluminum alloy cable is bent, thereby improving the quality of the aluminum alloy cable.

[0055] Embodiment three: high-voltage aluminum cable conductor twisting method for new energy vehicles, the method is suitable for the high-voltage aluminum cable conductor twisting equipment for new energy vehicles, and the steps of the method are as follows:

[0056] S1, the aluminum alloy cable is conveyed through the feeding mechanism 15, the aluminum alloy cable passes through the first group of mounting blocks 22, rotating blocks 23 and supporting rollers 24, and the aluminum alloy cable is bent into an arc shape through the guidance of the supporting rollers 24;

[0057] S2, the hot air generated by the hot air machine 32 enters between the upper and lower mounting blocks 22 from the two sides of the mounting block 22 through the mesh plate 31, and heats the aluminum alloy cable between the mounting blocks 22;

[0058] S3, the aluminum alloy cable passes through the second group of mounting blocks 22, rotating blocks 23 and supporting rollers 24 again, and the bending angle of the aluminum alloy cable after the second bending is greater than the bending angle of the cable during twisting, and then the aluminum alloy cable is twisted into a stranded aluminum alloy cable through the twisting die 13, and under the self-rebound action of the aluminum alloy cable, the aluminum alloy cable is tightly wrapped together.

[0059] The basic principles, main features and advantages of the application are shown and described. It should be understood by those skilled in the art that the application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the application, and various changes and improvements can be made without departing from the spirit and scope of the application, and these changes and improvements all fall within the scope of the claimed application; the scope of protection of the application is defined by the appended claims and their equivalents.

Claims

1. A high-voltage aluminum cable conductor stranding apparatus for new energy vehicles, characterized in that: Include: Base (1), ring block (11), connecting block (12), twisting die (13) and connecting rod (14), the base (1) is provided with motor drive ring block (11) rotation, drive aluminum alloy cable rotation, cooperate with the twisting die (13) and twist, the other side of the twisting die (13) pull the twisted aluminum alloy cable; The base (1) is provided with a feeding mechanism (15), the connecting rod (14) is fixedly connected on the feeding mechanism (15), the connecting rod (14) is annularly distributed, the ring block (11) is fixedly connected on the connecting rod (14), the connecting block (12) is installed on the ring block (11); The connecting block (12) and the ring block (11) are fixed by bolts, the connecting block (12) is provided with a hole for cable passing; The twisting die (13) is installed on the base (1); The connecting block (12) is provided with an excessive bending mechanism, the excessive bending mechanism pre-bends the aluminum alloy cable, so that the curvature of the aluminum alloy cable is greater than the curvature of the twisted aluminum alloy cable, and the resilience of the aluminum alloy cable itself makes the aluminum alloy cable bend inward and closely fit; The excessive bending mechanism includes a support block (21), a mounting block (22), a rotating block (23) and a supporting roller (24); The support block (21) is installed on the connecting block (12), the mounting block (22) is installed on the support block (21), the two mounting blocks (22) are connected in sliding mode, the rotating block (23) is installed on the connecting block (12), the adjacent rotating blocks (23) are connected with each other and form an arc shape, the supporting roller (24) is rotatably connected on the rotating block (23), and two groups of rotating blocks (23) and supporting rollers (24) on the two mounting blocks (22) are located on both sides of the cable; The base (1) is provided with two groups of ring blocks (11), connecting blocks (12) and excessive bending mechanisms from front to back, which bend the aluminum alloy cable in a segmented manner.

2. The high-voltage aluminum cable conductor stranding apparatus for new energy vehicles according to claim 1, characterized in that: The support block (21) and the connecting block (12) are rotatably connected and fixed by bolts, and the mounting block (22) and the support block (21) are rotatably connected and fixed by bolts.

3. The high-voltage aluminum cable conductor stranding apparatus for new energy vehicles according to claim 2, characterized in that: The rotating blocks (23) are rotatably connected with each other, the support rod (25) is rotatably connected on the side surface of the rotating block (23), the support rod (25) and the mounting block (22) are slidably connected, the extrusion fixing block (26) is slidably connected on the mounting block (22), and the extrusion fixing block (26) and the mounting block (22) are connected by bolts.

4. The high-voltage aluminum cable conductor stranding apparatus for new energy vehicles according to claim 3, characterized in that: Both sides of the mounting block (22) are provided with side plates (3), the side plates (3) are fixedly connected with mesh plates (31), the base (1) is fixedly connected with a hot air blower (32), and the output end of the hot air blower (32) is connected with the mesh plate (31).

5. The high-voltage aluminum cable conductor stranding apparatus for new energy vehicles according to claim 4, characterized in that: The mounting block (22) is fixedly connected with a sliding frame (4), the sliding frame (4) is slidably connected with a sliding plate (41), and the sliding plate (41) is provided with a circular hole (42).

6. The method for using the high-voltage aluminum cable conductor stranding equipment for new energy vehicles, which is suitable for the high-voltage aluminum cable conductor stranding equipment for new energy vehicles in claim 5, characterized in that: The method comprises the following steps: S1, the aluminum alloy cable is conveyed through the feeding mechanism (15), the aluminum alloy cable passes through the first group of mounting blocks (22), rotating blocks (23) and supporting rollers (24), and the aluminum alloy cable is bent into an arc shape through the guidance of the supporting rollers (24); S2, the hot air generated by the hot air machine (32) enters the space between the upper and lower mounting blocks (22) from the two sides of the mounting block (22) through the mesh plate (31), and the aluminum alloy cable between the mounting blocks (22) is heated; S3, the aluminum alloy cable passes through the second group of mounting blocks (22), rotating blocks (23) and supporting rollers (24) again, and the bending angle of the aluminum alloy cable after the second bending is greater than the bending angle of the cable during the twisting, then the aluminum alloy cable is twisted into a stranded aluminum alloy cable through the twisting die (13), and the aluminum alloy cable is tightly wrapped together under the self-rebound effect of the aluminum alloy cable.

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