A low-voltage line piercing power-taking device

Abstract

The present invention relates to the technical field of conductive connection, and specifically discloses a low-voltage line puncture power-taking device, including: a fixed wire-supporting component for supporting one end of the wire in the low-voltage line component close to the wiring terminal; a movable wire-supporting component for supporting the end of the wire in the low-voltage line component far from the wiring terminal; a puncture power-taking component for puncturing the wire to take power; a pulling component that can move horizontally relative to the puncture power-taking component and is used to traction and stretch the wire in the movable wire-supporting component; through the cooperation of the fixed wire-supporting component and the movable wire-supporting component, the wire in the low-voltage line component is positioned and supported to ensure the stability of the wire during the puncture process; at the same time, the wire is horizontally tractioned and pulled by the cooperation of the pulling component and the movable wire-supporting component to straighten and tighten the wire, avoiding the puncture power-taking failure caused by the deviation of the wire from the puncture power-taking component, thereby improving the accuracy and reliability of the puncture power-taking.

Description

Technical Field

[0001] The present invention relates to the technical field of conductive connection, and more specifically, it relates to a low-voltage line puncture power-taking device. Background Art

[0002] During the debugging and maintenance of a low-voltage line system (below 24V), it is often necessary to obtain real-time electrical signals through puncture power-taking to detect the circuit state;

[0003] Existing puncture power-taking still has the following technical defects: First, low-voltage lines often use multi-strand thin-core wires, and after the wiring terminal is connected to the wire, it is prone to natural bending. When puncturing, the wire is prone to shift under pressure, resulting in misalignment of the puncture needle and the core, leading to poor contact or even failure to pierce the insulation layer; Second, when taking power synchronously from multiple wires, the difference in the bending degree of each line causes the puncture point to be unable to be vertically aligned with the wiring terminal, increasing the risk of deviation; Third, existing puncture needles only rely on single-point piercing, with insufficient contact area, resulting in an increase in contact resistance and an increase in local temperature rise. Long-term power-taking may cause overheating and fuse melting;

[0004] In addition, puncturing in a slack state of the wire is likely to cause uneven piercing depth, and some cores are not effectively contacted, resulting in fluctuations in test data; Although existing technologies have tried to use fixed jigs, they lack an axial traction mechanism for the wire and cannot eliminate the initial bending and deformation under puncture force, making it difficult to ensure puncture accuracy and electrical stability. Therefore, there is an urgent need for a low-voltage line puncture power-taking device that can achieve precise positioning of the wire, dynamic tensioning, and multi-point stable contact. Summary of the Invention

[0005] In order to overcome the above technical problems, the present invention proposes a low-voltage line puncture power-taking device.

[0006] The object of the present invention can be achieved by the following technical solutions:

[0007] A low-voltage line puncture power-taking device includes:

[0008] A base platform, which includes a base and a top plate fixed above the base;

[0009] A fixed wire supporting component, which is fixedly arranged on the base and is used to support one end of the wire in the low-voltage line component close to the wiring terminal;

[0010] A movable wire supporting component, which is horizontally movably arranged on the base and is used to support the other end of the wire in the low-voltage line component far from the wiring terminal;

[0011] A puncture power-taking member, which is provided with multiple groups and is distributed above the fixed wire supporting component in a liftable manner and is used to perform puncture power-taking on the wire;

[0012] A lifting member, which is arranged on the top plate and is used to drive the puncture power-taking member;

[0013] A pulling member, which is movably arranged at the output end of the lifting member and can move horizontally relative to the puncture power-taking member, and is used to traction and stretch the wire in the movable wire supporting assembly.

[0014] As a further solution of the present invention: the fixed wire supporting assembly includes a fixed table fixed on the base, a first wire supporting plate is arranged on the upper end surface of the fixed table, and a plurality of first positioning grooves adapted to the wires are opened on the first wire supporting plate.

[0015] As a further solution of the present invention: the movable wire supporting assembly includes a slide rail fixed on the base and a slide table slidably mounted on the slide rail, a second wire supporting plate is arranged on the upper end surface of the slide table, and a plurality of second positioning grooves adapted to the wires are opened on the second wire supporting plate.

[0016] As a further solution of the present invention: the lifting member includes a lifting cylinder fixed on the top plate, a lifting table is installed at the extending end of the lifting cylinder, the puncture power-taking member is fixedly arranged on the lower end surface of the lifting table, and the pulling member is movably arranged below the lifting table and can move horizontally relative to the lifting table.

[0017] As a further solution of the present invention: the puncture power-taking member includes a power-taking block fixed on the lifting table, and a puncture needle adapted to the wire is electrically connected to the lower end of the power-taking block.

[0018] As a further solution of the present invention: the puncture power-taking member further includes a sleeve arranged on the power-taking block, telescopic rods are symmetrically and movably arranged on both sides of the sleeve, a first pressing block is installed at the lower end of the telescopic rod, and an arc surface adapted to the outer contour of the wire is arranged at the bottom of the first pressing block; a first spring is movably sleeved on the telescopic rod, and both ends of the first spring are abutted against the sleeve and the first pressing block respectively.

[0019] As a further solution of the present invention: in the initial state, the height of the first pressing block is lower than that of the puncture needle.

[0020] As a further solution of the present invention: a breaking slice is integrally arranged at the upper end of the puncture needle, the breaking slice is electrically connected to the puncture needle, and the extending direction of the breaking slice is consistent with the extending direction of the wire.

[0021] As a further solution of the present invention: the pulling member includes a mounting plate, and a plurality of second pressing blocks adapted to the corresponding second positioning grooves are arranged on the mounting plate;

[0022] Plug pins are symmetrically arranged on both sides of the mounting plate, and jacks adapted to the plug pins are opened on the slide table.

[0023] As a further solution of the present invention: It further includes a transmission member, the transmission member includes an L-shaped bracket, and vertical and horizontal chutes are vertically distributed on the L-shaped bracket;

[0024] A vertical slider slidably connected to the vertical chute is fixed on the lifting table, a horizontal slider slidably connected to the horizontal chute is fixed on the mounting plate, and a connecting rod is hinged between the vertical slider and the horizontal slider;

[0025] A guide rod is fixed in the horizontal chute, and a second spring abutted against the horizontal slider is movably sleeved on the guide rod.

[0026] Advantages of the present invention:

[0027] Through the cooperation of the fixed wire supporting component and the movable wire supporting component, the wires in the low-voltage line component are positioned and supported to ensure the stability of the wires during the piercing process; at the same time, the wires are horizontally traction-pulled by the cooperation of the pulling member and the movable wire supporting component, so that the wires are straightened and tightened, avoiding the piercing power taking failure caused by the deviation of the wires from the piercing power taking member, thereby improving the accuracy and reliability of the piercing power taking;

[0028] During the piercing power taking process, the pulling member drives the movable wire supporting component to move horizontally under the drive of the lifting member, and horizontally traction-pulls the end of the wire away from the wiring terminal. This process not only straightens and tightens the wire, but also ensures that the position of the wire on the fixed wire supporting component is aligned with the corresponding wiring terminal in the vertical direction, further improving the success rate of the piercing power taking. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The present invention will be further described below with reference to the drawings.

[0030] Figure 1 is a three-dimensional schematic diagram of the present invention;

[0031] Figure 2 is a three-dimensional schematic diagram of another perspective of the present invention;

[0032] Figure 3 is a structural schematic diagram of the fixed wire supporting component and the movable wire supporting component in the present invention;

[0033] Figure 4 is a structural schematic diagram of the lifting member in the present invention;

[0034] Figure 5 is a structural schematic diagram of the piercing power taking member in the present invention;

[0035] Figure 6 is a structural schematic diagram of another perspective of the piercing power taking member in the present invention;

[0036] Figure 7Schematic diagram of the pulling member and the transmission member in the present invention;

[0037] Figure 8 Schematic diagram of the pulling member and the transmission member in another perspective of the present invention;

[0038] Figure 9 Schematic diagram of the first state of power extraction by puncture in the present invention;

[0039] Figure 10 Schematic diagram of the second state of power extraction by puncture in the present invention;

[0040] Figure 11 Schematic diagram of the third state of power extraction by puncture in the present invention.

[0041] In the figure:

[0042] 100, base; 110, base plate; 120, top plate;

[0043] 200, fixed wire support assembly; 210, fixed platform; 220, first wire support plate; 230, first positioning groove;

[0044] 300, movable wire support assembly; 310, slide rail; 320, slide table; 330, second wire support plate; 340, second positioning groove;

[0045] 400, lifting member; 410, lifting cylinder; 420, lifting platform;

[0046] 500, power extraction by puncture member; 510, power extraction block; 520, puncture needle; 530, breaking slice; 540, sleeve; 550, telescopic rod; 560, first pressing block; 570, arc surface; 580, first spring;

[0047] 600, pulling member; 610, mounting plate; 620, second pressing block; 630, pin;

[0048] 700, transmission member; 710, L-shaped bracket; 720, vertical chute; 730, vertical slider; 740, horizontal chute; 750, horizontal slider; 760, connecting rod; 770, guide rod; 780, second spring;

[0049] 800, low-voltage line assembly; 810, terminal; 820, wire. Detailed implementation manners

[0050] Reference will now be made to exemplary embodiments to discuss the subject matter described herein. It should be understood that discussing these embodiments is only to enable those skilled in the art to better understand and thus implement the subject matter described herein. Changes can be made to the functions and arrangements of the elements discussed without departing from the scope of protection of the content of this specification. Each example can omit, substitute, or add various processes or components as needed. Additionally, the features described relative to some examples can also be combined in other examples.

[0051] Please refer to Figure 1 and Figure 2 The present invention discloses a low-voltage line puncture power-taking device, which includes a base 100, a fixed wire supporting assembly 200, a movable wire supporting assembly 300, a lifting member 400, a puncture power-taking member 500, and a pulling member 600; the base 100 includes a base 110 and a top plate 120 fixed above the base 110; the fixed wire supporting assembly 200 is fixedly arranged on the base 110 and is used to support one end of the wire 820 in the low-voltage line assembly 800 close to the wiring terminal 810; the movable wire supporting assembly 300 is movably arranged horizontally on the base 110 and is used to support the other end of the wire 820 in the low-voltage line assembly 800 away from the wiring terminal 810; multiple groups of puncture power-taking members 500 are arranged and distributed vertically above the fixed wire supporting assembly 200 and are used to puncture and take power from the wire 820; the lifting member 400 is arranged on the top plate 120 and is used to drive the puncture power-taking member 500; the pulling member 600 is movably arranged at the output end of the lifting member 400 and can move horizontally relative to the puncture power-taking member 500, and is used to traction and stretch the wire 820 in the movable wire supporting assembly 300;

[0052] Specifically, when taking power by puncturing the low-voltage line component 800, several wires 820 in the low-voltage line component 800 are arranged correspondingly on the fixed wire supporting component 200 and the movable wire supporting component 300. One end of the wire 820 close to the wiring terminal 810 is located inside the fixed wire supporting component 200, while the other end of the wire 820 far from the wiring terminal 810 is located inside the movable wire supporting component 300. Then, the lifting member 400 drives the puncturing power-taking member 500 and the pulling member 600 to move downward synchronously, so that the pulling member 600 contacts the movable wire supporting component 300 and presses the wire 820 on the movable wire supporting component 300. At the same time, the puncturing power-taking member 500 gradually approaches the corresponding wire 820 directly below. Subsequently, the lifting member 400 drives the puncturing power-taking member 500 to continue moving downward to puncture the wire 820 to take power. At the same time, under the action of the lifting member 400, the pulling member 600 drives the movable wire supporting component 300 to move horizontally synchronously toward the side away from the fixed wire supporting component 200. By the cooperative action of the pulling member 600 and the movable wire supporting component 300, the end of the wire 820 far from the wiring terminal 810 is horizontally traction-pulled, so that the wire 820 is straightened and tightened, ensuring that the position of the wire 820 on the fixed wire supporting component 200 is aligned with the corresponding wiring terminal 810 in the vertical direction, and avoiding the failure of power-taking by puncturing due to the offset between the wire 820 and the corresponding puncturing power-taking member 500.

[0053] It should be noted that through the cooperation of the fixed wire supporting component 200 and the movable wire supporting component 300, the wires 820 in the low-voltage line component 800 are positioned and supported to ensure the stability of the wires 820 during the puncturing process. At the same time, by the cooperative action of the pulling member 600 and the movable wire supporting component 300, the wire 820 is horizontally traction-pulled to make the wire 820 straightened and tightened, avoiding the failure of power-taking by puncturing due to the offset between the wire 820 and the puncturing power-taking member 500, thereby improving the accuracy and reliability of power-taking by puncturing.

[0054] During the power-taking by puncturing process, the pulling member 600 drives the movable wire supporting component 300 to move horizontally under the drive of the lifting member 400, and horizontally traction-pulls the end of the wire 820 far from the wiring terminal 810. This process not only straightens and tightens the wire 820, but also ensures that the position of the wire 820 on the fixed wire supporting component 200 is aligned with the corresponding wiring terminal 810 in the vertical direction, further improving the success rate of power-taking by puncturing.

[0055] In one embodiment, please refer to Figure 3 , the fixed wire supporting component 200 includes a fixed table 210 fixed on the base 110. A first wire supporting plate 220 is arranged on the upper end surface of the fixed table 210, and a plurality of first positioning grooves 230 adapted to the wires 820 are formed on the first wire supporting plate 220.

[0056] The movable wire supporting assembly 300 includes a slide rail 310 fixed to the base 110 and a slide table 320 slidably mounted on the slide rail 310. A second wire supporting plate 330 is provided on the upper end surface of the slide table 320, and a plurality of second positioning grooves 340 adapted to the wires 820 are formed in the second wire supporting plate 330.

[0057] Specifically, when assembling the low-voltage line assembly 800, a plurality of wires 820 led out from the terminal 810 are sequentially placed into the corresponding first positioning grooves 230 and second positioning grooves 340 to preliminarily arrange and position the wires 820, so as to facilitate the subsequent cooperation between the pulling member 600 and the second wire supporting plate 330 to realize the traction of the end of the wire 820 far from the terminal 810.

[0058] Further, please refer to Figure 4 , the lifting member 400 includes a lifting cylinder 410 fixed to the top plate 120. A lifting table 420 is installed at the extending end of the lifting cylinder 410. The puncture power-taking member 500 is fixedly arranged on the lower end surface of the lifting table 420. The pulling member 600 is movably arranged below the lifting table 420 and can horizontally move relative to the lifting table 420.

[0059] Specifically, when the lifting cylinder 410 drives the lifting table 420 to descend, it can drive each group of puncture power-taking members 500 and pulling members 600 to synchronously descend vertically. When the pulling member 600 is combined with the movable wire supporting assembly 300 below it, since the pulling member 600 cannot continue to descend, as the lifting table 420 continues to descend, the pulling member 600 is forced to horizontally move, so as to promote the pulling member 600 and the movable wire supporting assembly 300 to gradually move horizontally away from the fixed wire supporting assembly 200 to realize the horizontal traction of the wire 820.

[0060] It should be noted that with the traction of the wire 820 by the pulling member 600, the wire 820 will axially move a certain distance in the corresponding first positioning grooves 230 and second positioning grooves 340 until the terminal 810 abuts against the side of the first wire supporting plate 220 under the pulling force of the wire 820. At this time, the terminal 810 cannot continue to move with the wire 820 towards the side of the movable wire supporting assembly 300. Subsequently, the pulling member 600 and the movable wire supporting assembly 300 can be used to straighten the wire 820.

[0061] Even if the bending conditions of the wires 820 are inconsistent in the initial state, with the traction of the pulling member 600, the wires 820 can be gradually straightened one after another; when all the wires 820 are completely tightened and straightened, as the pulling member 600 continues to horizontally move, relative sliding occurs between the pulling member 600 and the movable wire supporting assembly 300 and the wire 820, but it can still ensure that the wire 820 always remains in a taut state during the puncture power-taking process.

[0062] In another embodiment, please refer to Figure 5 and Figure 6 , the puncture power taking member 500 includes a power taking block 510 fixed on the lifting table 420, and a puncture needle 520 adapted to the wire 820 is electrically connected to the lower end of the power taking block 510;

[0063] Specifically, when the lifting table 420 drives the puncture needle 520 to descend and penetrate into the wire 820, the puncture needle 520 contacts the battery core in the wire 820, so that the electrical connection between the wire 820 and the power taking block 510 can be realized, and further the puncture power taking of the low-voltage line assembly 800 can be realized.

[0064] Furthermore, considering that during the process of the puncture needle 520 penetrating into the wire 820, due to the small contact area between the puncture needle 520 and the wire 820, in the initial stage of the puncture needle 520 penetrating into the wire 820, the wire 820 is likely to shift to one side due to the misalignment of the force applied by the puncture needle 520 to the wire 820, which further affects the subsequent smooth puncture of the puncture needle 520;

[0065] Therefore, please refer to Figure 5 and Figure 6 , the puncture power taking member 500 further includes a sleeve 540 arranged on the power taking block 510, telescopic rods 550 are symmetrically and movably arranged on both sides of the sleeve 540, a first pressing block 560 is installed at the lower end of the telescopic rod 550, and an arc surface 570 adapted to the outer contour of the wire 820 is arranged at the bottom of the first pressing block 560; a first spring 580 is movably sleeved on the telescopic rod 550, and both ends of the first spring 580 are abutted against the sleeve 540 and the first pressing block 560 respectively;

[0066] Specifically, in the initial state, due to the elastic force of the first spring 580, the telescopic rod 550 completely extends out of the sleeve 540, and at this time the distance between the first pressing block 560 and the sleeve 540 is the largest; when the lifting table 420 descends, the first pressing block 560 first contacts the wire 820, and the wire 820 is symmetrically pressed and fixed on both sides by the first pressing blocks 560 on both sides of the puncture needle 520 to ensure that the wire 820 is directly below the corresponding puncture needle 520; and as the height of the lifting table 420 gradually decreases, the telescopic rod 550 also gradually retracts into the sleeve 540, so that the first spring 580 is gradually compressed, thereby making the elastic force of the first spring 580 on the first pressing block 560 gradually increase, and further making the vertical pressing force of the first pressing block 560 on the wire 820 gradually increase, which can effectively improve the pressing and fixing effect on the wire 820; during the process of the telescopic rod 550 gradually retracting into the sleeve 540, the puncture needle 520 also gradually approaches the wire 820 directly below and performs puncture power taking on the wire 820.

[0067] It should be noted that in the initial state, the height of the first pressing block 560 is lower than that of the puncture needle 520; in this way, it can be ensured that the first pressing block 560 contacts the wire 820 before the puncture needle 520 penetrates the wire 820, so as to achieve the effect of first pressing and fixing the wire 820 and then puncturing it.

[0068] Furthermore, considering that after the puncture needle 520 penetrates into the wire 820, the contact area between the puncture needle 520 and the internal battery core of the wire 820 is limited, resulting in an increase in the local current density when the current passes through the contact point between the puncture needle 520 and the wire 820, an increase in the contact resistance, and heat accumulation leading to overheating. In addition, insufficient contact area will make the contact between the puncture needle 520 and the wire 820 unstable, easily causing electrical signal interruption or fluctuation;

[0069] For this reason, please refer to Figure 5 and Figure 6 , a breaking slice 530 is integrally arranged at the upper end of the puncture needle 520, the breaking slice 530 is electrically connected to the puncture needle 520, and the extending direction of the breaking slice 530 is the same as the extending direction of the wire 820;

[0070] Specifically, when the puncture needle 520 penetrates into the wire 820, as the penetration depth of the puncture needle 520 increases, the breaking slice 530 gradually cuts into the wire 820, so as to cut and break the insulating skin of the wire 820 until the breaking slice 530 is also embedded in the battery core of the wire 820. Since the surface area of the breaking slice 530 is large, it can greatly increase the electrical contact area with the battery core and effectively reduce the resistance and fluctuation.

[0071] In a further embodiment, please refer to Figure 7 and Figure 8 , the pulling member 600 includes a mounting plate 610, and a plurality of second pressing blocks 620 adapted to the corresponding second positioning grooves 340 are arranged on the mounting plate 610;

[0072] Insert pins 630 are symmetrically arranged on both sides of the mounting plate 610, and insertion holes (not shown in the figure) adapted to the insert pins 630 are formed on the sliding table 320;

[0073] Specifically, in the initial state, the mounting plate 610 is located directly above the second wire supporting plate 330, and the insert pins 630 correspond to the corresponding insertion holes. When the mounting plate 610 moves downward along with the lifting table 420, the second pressing blocks 620 enter the corresponding second positioning grooves 340, so as to press and hold the corresponding wire 820 tightly, facilitating subsequent horizontal traction and pulling of the wire 820; at the same time, the insert pins 630 are inserted into the corresponding insertion holes, so as to realize the connection between the mounting plate 610 and the sliding table 320, facilitating the subsequent synchronous horizontal movement of the sliding table 320 driven by the transverse movement of the mounting plate 610.

[0074] Further, please refer to Figure 7 and Figure 8 , and it further includes a transmission member 700. The transmission member 700 includes an L-shaped bracket 710. A vertically distributed vertical chute 720 and a horizontal chute 740 are formed on the L-shaped bracket 710. A vertical slider 730 slidably connected to the vertical chute 720 is fixed on the lifting platform 420. A horizontal slider 750 slidably connected to the horizontal chute 740 is fixed on the mounting plate 610. A connecting rod 760 is hinged between the vertical slider 730 and the horizontal slider 750. A guide rod 770 is fixed in the horizontal chute 740. A second spring 780 abutting against the horizontal slider 750 is movably sleeved on the guide rod 770;

[0075] Specifically, please refer to Figure 9 . In the initial state, the puncture power-taking member 500 and the pulling member 600 are in a suspended state. At this time, the puncture power-taking member 500 is directly above the fixed table 210, and the pulling member 600 is directly above the sliding table 320;

[0076] Please refer to Figure 10 . As the lifting platform 420 descends, the first pressing block 560 also contacts the fixed wire support assembly 200 to press the wire 820 on the first wire support plate 220; at the same time, the pulling member 600 contacts the movable wire support assembly 300 to press the wire 820 on the second wire support plate 330;

[0077] Please refer to Figure 11 . As the lifting platform 420 continues to descend, the vertical slider 730 slides down along the vertical chute 720. Driven by the connecting rod 760, the horizontal slider 750 slides horizontally along the horizontal chute 740 to drive the mounting plate 610 to drive the sliding table 320 to gradually move away from the fixed table 210 in the horizontal direction to realize the traction and pulling of the wire 820 until the wire 820 is pulled tight and straight, and then the puncture needle 520 punctures the wire 820 to take power;

[0078] After the puncture power-taking is completed, the lifting platform 420 ascends and resets, driving the puncture power-taking member 500 to ascend synchronously. At the same time, under the elastic force of the second spring 780, the horizontal slider 750 slides horizontally and resets along the horizontal chute 740, driving the mounting plate 610 and the sliding table 320 to slide and reset. Subsequently, the mounting plate 610 is separated from the sliding table 320 and rises to the initial position.

[0079] The specific implementation manners of this embodiment are described above, but this embodiment is not limited to the above specific implementation manners. The above specific implementation manners are only illustrative and not restrictive. Under the inspiration of this embodiment, those of ordinary skill in the art can also make many forms, all of which fall within the protection scope of this embodiment.

Claims

1. A low-voltage line puncture power extraction device, characterized in that: include: A base (100) comprising a base (110) and a top plate (120) fixed above the base (110); A fixed wire supporting assembly (200) fixedly disposed on the base (110) and used to support an end of a wire (820) in the low-voltage line assembly (800) close to the connection terminal (810); A movable wire supporting assembly (300) is horizontally movably disposed on the base (110) and is used to support an end of a wire (820) in the low-voltage line assembly (800) away from the connection terminal (810); A plurality of piercing and power extraction components (500) are provided and are distributed directly above the fixed wire supporting component (200) in a manner that allows them to be lifted and lowered, and are used to pierce the wire (820) and extract power; A lifting member (400) is disposed on the top plate (120) and is used to drive the piercing power extraction member (500); A pulling member (600) is movably disposed at the output end of the lifting member (400) and is movable horizontally relative to the piercing power extraction member (500), and is used to pull and stretch the wire (820) in the movable wire supporting assembly (300); The movable wire supporting assembly (300) comprises a slide rail (310) fixed on the base (110) and a slide table (320) slidably mounted on the slide rail (310); a second wire supporting plate (330) is provided on the upper end surface of the slide table (320); and a plurality of second positioning grooves (340) adapted to the wires (820) are provided on the second wire supporting plate (330); The lifting member (400) comprises a lifting cylinder (410) fixed on the top plate (120); a lifting platform (420) is installed on the protruding end of the lifting cylinder (410); the piercing power extraction member (500) is fixedly arranged on the lower end surface of the lifting platform (420); and the pulling member (600) is movably arranged below the lifting platform (420) and can move horizontally relative to the lifting platform (420); The pulling member (600) comprises a mounting plate (610), and a plurality of second pressing blocks (620) adapted to the corresponding second positioning grooves (340) are arranged on the mounting plate (610); Pins (630) are symmetrically arranged on both sides of the mounting plate (610), and sockets adapted to the pins (630) are provided on the slide table (320).

2. A low-voltage line puncture power extraction device according to claim 1, characterized in that: The fixed wire supporting assembly (200) comprises a fixed platform (210) fixed on a base (110), a first wire supporting plate (220) being provided on an upper end surface of the fixed platform (210), and a plurality of first positioning grooves (230) adapted to the wires (820) being provided on the first wire supporting plate (220).

3. A low-voltage line puncture power extraction device according to claim 1, characterized in that: The puncture power extraction component (500) comprises a power extraction block (510) fixed on a lifting platform (420), and a puncture needle (520) adapted to the wire (820) is electrically connected to the lower end of the power extraction block (510).

4. A low-voltage line puncture power extraction device according to claim 3, characterized in that: The piercing power extraction component (500) further comprises a sleeve (540) arranged on the power extraction block (510), telescopic rods (550) are symmetrically and movably arranged on both sides of the sleeve (540), a first pressing block (560) is installed at the lower end of the telescopic rod (550), and an arc surface (570) adapted to the outer contour of the wire (820) is arranged at the bottom of the first pressing block (560); a first spring (580) is movably sleeved on the telescopic rod (550), and two ends of the first spring (580) are respectively in contact with the sleeve (540) and the first pressing block (560).

5. A low-voltage line puncture power extraction device according to claim 4, characterized in that: In the initial state, the height of the first pressing block (560) is lower than the puncture needle (520).

6. A low-voltage line puncture power extraction device according to claim 3, characterized in that: The upper end of the puncture needle (520) is integrally provided with a detachable section (530), the detachable section (530) is electrically connected to the puncture needle (520), and the extension direction of the detachable section (530) is consistent with the extension direction of the lead wire (820).

7. A low-voltage line puncture power extraction device according to claim 1, characterized in that: It also includes a transmission member (700), the transmission member (700) including an L-shaped bracket (710), the L-shaped bracket (710) being provided with vertical sliding grooves (720) and horizontal sliding grooves (740) distributed vertically; A vertical slider (730) slidably connected to the vertical slide groove (720) is fixed on the lifting platform (420), a transverse slider (750) slidably connected to the transverse slide groove (740) is fixed on the mounting plate (610), and a connecting rod (760) is hinged between the vertical slider (730) and the transverse slider (750); A guide rod (770) is fixed in the transverse sliding groove (740), and a second spring (780) is movably sleeved on the guide rod (770) and abuts against the transverse sliding block (750).

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