Gun wire power assisting device and charging pile

Abstract

The utility model discloses a gun line power assisting device and a charging pile, the gun line power assisting device comprises a main body part, a balancer and a cable clamp, the main body part is provided with a groove, one side of the main body part is provided with a through hole, and the through hole communicates with the groove; the balancer is arranged in the groove and provided with a wire outlet, a pull rope is arranged in the balancer, one end of the pull rope penetrates through the wire outlet and the through hole, and the wire outlet right faces the through hole; the cable clamp is arranged at the end, located outside the balancer, of the pull rope. The gun line power assisting device can be installed on the top of a charging pile, and a gun line of the charging pile is connected with a cable clamp; the pulling force of the balancer is increased in the process of inserting the charging gun back to the charging pile, more labor is saved, in the whole charging process, the gun line is always in a suspended state, namely, the gun line does not rub against the ground, the service life is longer, and more labor is saved when the gun line is moved; and meanwhile, the gun line is not easy to stumble, and the use is convenient.

Description

Technical Field

[0001] This application relates to the technical field of charging devices, and particularly to a gun line assisting device and a charging pile. Background Art

[0002] With the large-scale popularization of electric vehicles, the demand for charging piles has increased rapidly. A charging pile is a charging device that provides DC power for the batteries of non-vehicle-mounted electric vehicles by accessing the public power grid. It can be fixed on the ground or on the wall, installed in public spaces, residential communities, and charging stations, and charge various models of electric vehicles. When charging, the charging gun on the charging pile can be pulled out and inserted into the corresponding position of the electric vehicle.

[0003] At present, most of the charging gun lines on the market are freely scattered on the ground. During the charging process, the gun lines are dragged and worn on the ground, resulting in a relatively low service life. At the same time, the gun lines are scattered on the ground, which is very easy to trip up the users, causing safety accidents and inconvenience in use. Utility Model Content

[0004] The main purpose of this application is to provide a gun line assisting device and a charging pile, aiming to solve the problems that during the process of unplugging the gun for charging, the gun line is dragged and worn on the ground, and the gun line is scattered on the ground, which is easy to trip people up and inconvenient to use.

[0005] To achieve the above object, this application provides a gun line assisting device. The gun line assisting device includes a main body part, a balancer, and a cable clip. One end of the main body part in its own length direction is provided with a groove, and a through hole is provided on one side of the main body part, and the through hole communicates with the groove; the balancer is arranged in the groove and has an outlet, and a pull rope is arranged inside the balancer. One end of the pull rope passes through the outlet and the through hole. Among them, the outlet is directly opposite to the through hole, and the balancer has a degree of freedom of rotation around a third direction, and the third direction is perpendicular to the length direction of the main body part; the cable clip is arranged at one end of the pull rope outside the balancer.

[0006] Optionally, one such groove is respectively provided at both end positions of the main body part; there are two through holes, two balancers, and two cable clips, and they correspond to the two grooves one by one.

[0007] Optionally, the outlets of the two balancers are both located on the side of the corresponding balancer away from the other balancer.

[0008] Optionally, a universal wire guiding device is installed at the through hole, and the pull rope passes through the universal wire guiding device.

[0009] Optionally, the universal wire guide includes a roller bracket, two first rollers, and two second rollers. The roller bracket is integrally annular and disposed at the through hole. The two first rollers are both rotatably connected to the roller bracket, and the axial directions of the two first rollers are the same. The two second rollers are both rotatably connected to the roller bracket, and the axial directions of the two second rollers are the same. The axial direction of the second roller is perpendicular to the axial direction of the first roller. Among them, the first rollers and the second rollers are alternately arranged around the inner circumference of the roller bracket and enclose a perforation, and the pull rope passes through the perforation.

[0010] Optionally, the gun line assisting device further includes a connecting portion disposed at one end of the pull rope outside the balancer. Among them, the cross-sectional area of the connecting portion perpendicular to the first direction is larger than the cross-sectional area of the perforation perpendicular to the first direction, and the first direction is the direction in which the wire outlet is directly opposite to the through hole.

[0011] Optionally, the gun line assisting device further includes a buckle connecting the connecting portion and the cable clip, and the buckle is detachably connected to the cable clip and the connecting portion.

[0012] Optionally, the gun line assisting device further includes a cover plate disposed at the notch of the groove and sealing the groove.

[0013] In addition, to achieve the above object, an embodiment of the present application further provides a charging pile, including a pile body, the above gun line assisting device, and a gun line. The pile body has a top cover disposed in the first direction, and the first direction is the same as the height direction of the pile body. The above gun line assisting device is installed on the top cover. Among them, the cable clip is located on the side of the main body facing the pile body. The gun line is connected to the cable clip.

[0014] Optionally, when the balancer is in a balanced state, the cable clip is directly opposite to the through hole in the first direction.

[0015] A cable gun assisting device proposed in an embodiment of the present application can be installed on the top of a charging pile. The cable gun of the charging pile is connected to a cable clamp, and the balancer is in a balanced state. At this time, the cable gun is suspended in the air. The pulling force exerted by the balancer on the cable gun through the pulling rope and the cable clamp is balanced with the gravity of the cable gun. During charging, when pulling out the charging gun and inserting it into the corresponding position of the device to be charged, the charging gun pulls the cable gun, the cable gun drives the cable clamp away from the balancer, and the cable clamp pulls the pulling rope to extend out of the wire outlet of the balancer. At this time, the pulling force exerted by the balancer on the cable gun through the pulling rope and the cable clamp increases, and the cable gun is still in a suspended state. After use, insert the charging gun back into the charging pile, and at the same time, the balancer retracts the pulling rope, so that the balancer returns to the balanced state. In this way, the process of inserting the charging gun back into the charging pile increases the pulling force of the balancer and is more labor-saving; during the whole use process, the cable gun is always in a suspended state, that is, the cable gun will not drag on the ground and rub, so the service life is longer, and it is more labor-saving to move the cable gun; at the same time, the suspended cable gun is not easy to trip people, and it is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the prior art and the present invention, the drawings required for describing the prior art and the embodiments of the present invention will be briefly introduced below. Obviously, the drawings in the following description are only exemplary, and those of ordinary skill in the art can also obtain other drawings according to the provided drawings without creative efforts.

[0017] The structures, ratios, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention. Any modification of the structure, change of the proportional relationship or adjustment of the size should still fall within the scope covered by the technical content disclosed in the present invention without affecting the effects that the present invention can produce and the purposes that can be achieved.

[0018] Figure 1 It is a schematic diagram of the overall structure of a charging pile provided by an embodiment of the present application;

[0019] Figure 2 It is a schematic diagram of the structural disassembly of a cable gun assisting device provided by an embodiment of the present application;

[0020] Figure 3 For Figure 2 the enlarged view of the structure at A in

[0021] Figure 4 It is a schematic diagram of the structure of a cable gun assisting device provided by an embodiment of the present application after removing the cover plate.

[0022] In the figure: 1. Main body; 11. Groove; 12. Through hole; 2. Balancer; 3. Cable clamp; 31. Connection part; 32. Buckle; 41. Roller bracket; 42. First roller; 43. Second roller; 5. Cover plate; 6. Pile body.

[0023] The realization of the purpose, functional features and advantages of this application will be further described in combination with the embodiments and with reference to the accompanying drawings. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0025] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If this specific posture changes, then the directional indications will also change accordingly.

[0026] In the present utility model, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0027] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution where A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0028] The present application will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0029] Figure 1 It is a schematic diagram of the overall structure of a charging pile provided by an embodiment of the present application; Figure 2 It is a schematic diagram of the structural disassembly of a gun line assisting device provided by an embodiment of the present application; Figure 3 is Figure 2 The enlarged view of the structure at position A in Figure 4 It is a schematic diagram of the structure of a gun line assisting device provided by an embodiment of the present application after removing the cover plate.

[0030] Referring to Figures 1 to 4 , an embodiment of the present application provides a gun line assisting device. The gun line assisting device may include a main body portion 1, a balancer 2, and a cable clip 3. A groove 11 is provided at one end of the main body portion 1 in its own length direction, and a through hole 12 is provided on one side of the main body portion 1. The through hole 12 communicates with the groove 11; the balancer 2 is disposed in the groove 11 and has an outlet. A pulling rope is provided inside the balancer 2. One end of the pulling rope passes through the outlet and the through hole 12. Among them, the outlet is directly opposite to the through hole 12, and the balancer 2 has a degree of freedom of rotation about a third direction, and the third direction is perpendicular to the length direction of the main body portion 1; the cable clip 3 is disposed at one end of the pulling rope outside the balancer 2.

[0031] A gun line assisting device proposed by an embodiment of the present application can be installed on the top of a charging pile. The gun line of the charging pile is connected to the cable clip 3, and the balancer 2 is in a balanced state. At this time, the gun line is suspended in the air. The pulling force exerted on the gun line by the balancer 2 through the pulling rope and the cable clip 3 is balanced with the gravity of the gun line. During charging, when pulling out the charging gun and inserting it into the corresponding position of the device to be charged, the charging gun pulls the gun line, the gun line drives the cable clip 3 away from the balancer 2, and the cable clip 3 pulls the pulling rope to extend out of the outlet of the balancer 2. At this time, the pulling force exerted on the gun line by the balancer 2 through the pulling rope and the cable clip 3 increases, and the gun line is still in a suspended state. When it is used up, insert the charging gun back into the charging pile, and at the same time, the balancer 2 retracts the pulling rope, so that the balancer 2 returns to the balanced state. In this way, the process of inserting the charging gun back into the charging pile increases the pulling force of the balancer 2, making it more labor-saving; during the entire use process, the gun line is always in a suspended state, that is, the gun line will not drag on the ground and rub, so the service life is longer, and it is more labor-saving to move the gun line; at the same time, the gun line is suspended and not easy to trip people, making it more convenient to use.

[0032] Among them, the pulling rope in the balancer 2 can be wound around a rotating body, and the pulling rope can be retracted by driving the rotating body to rotate. The rotation axis direction of the rotating body is the third direction.

[0033] It should be noted that, as Figure 3As shown, there are many prior arts regarding the specific structure of the balancer 2. For example, the balancer 2 can be a coil spring type balancer; inside the balancer 2, there are coil springs and a cone pulley, and the cone pulley is the above-mentioned rotating body, so the rotation axis direction of the cone pulley is the third direction, and the pulling rope is wound around the cone pulley; during the process of using the charging pile above, based on the balancer 2 being in a balanced state, at this time the coil spring is compressed, and the force provided by the coil spring for the cone pulley is the same as the gravity of the gun line; when the cable clamp 3 pulls the pulling rope out of the wire outlet of the balancer 2, the pulling rope pulls the cone pulley to rotate, and the cone pulley drives the coil spring to be further compressed, so that the gun line receives a greater pulling force from the balancer 2. In this way, during the process of inserting the charging gun back into the charging pile, the balancer 2 provides a pulling force for the gun line, making it more labor-saving to move the charging gun. At the same time, the coil spring drives the cone pulley to rotate, and retracts the pulling rope until the balancer 2 returns to the balanced state.

[0034] Among them, when the balancer 2 is in a balanced state, that is, the pulling force exerted by the balancer 2 on the gun line through the pulling rope and the cable clamp 3 is balanced with the gravity of the gun line.

[0035] It should be understood that in this way, the pulling rope can be directly connected to the gun line through the cable clamp 3 without redundant transmission or guiding structures, so that the friction force received by the pulling rope during use is smaller, the assisting effect is more significant, and the service life of the pulling rope is longer.

[0036] It should be noted that when installing the main body part 1, the length direction of the main body part 1 should be parallel to the front of the charging pile. In this way, when the third direction is perpendicular to the length direction of the main body part 1, and the direction in which the wire outlet is aligned with the through hole 12 is the same as the gravity direction, the third direction is perpendicular to the plane where the front of the charging pile is located, so that the overall volume of the gun line assisting device is smaller.

[0037] Furthermore, when the main body part 1 is installed on the top of the charging pile, the positions of the wire outlet, the through hole 12, and the gun seat on the charging pile correspond in the gravity direction. In this way, when the cable clamp 3 is connected to the gun line and the balancer 2 is in a balanced state, it is ensured that the pulling force direction of the gun line received by the pulling rope is the same as the gravity direction, further making the extension direction of the part of the pulling rope outside the wire outlet the same as the gravity direction, and the gun line can be suspended without changing the direction, improving the service life of the pulling rope.

[0038] In addition, the balancer 2 can be optionally equipped with self-locking and non-self-locking models, the initial pulling force can be 10 kg, and the pulling force can be adjusted and calibrated according to the specific gravity of the gun line. The telescopic stroke length of the pulling rope, that is, the pulling rope, can be customized and adjusted as needed. Among them, the pulling rope can be a Dyneema braided rope or a steel wire rope, etc.

[0039] Reference Figure 2 and Figure 4In an exemplary embodiment, the main body 1 is provided with a groove 11 at its two end positions respectively; the through hole 12 , the balancer 2 and the cable clamp 3 each have two and correspond to the two grooves 11 one by one.

[0040] Specifically, Figure 2 and Figure 4 As shown, balancers 2 are provided in both grooves 11, so that the gun line assisting device can be adapted to a charging pile provided with two gun lines. Usually, the two charging lines of such a charging pile are respectively arranged on both sides of the width direction of the front of the charging pile. When the gun line assisting device is installed, the outlets of the two balancers 2 can be respectively extended to both sides of the width direction of the front of the charging pile, so that the positions of the two balancers 2 can correspond to the two gun lines one by one, and the installation can be completed by connecting the corresponding gun lines and the cable clamp 3.

[0041] It should be understood that at this time, the third direction is perpendicular to the plane where the front of the charging pile is located, and the two balancers 2 mainly occupy the space of the main body 1 in the length direction of the main body 1, thereby making the volume of the main body 1 smaller, further reducing the overall volume of the gun line assist device.

[0042] Further, such as Figure 2 and Figure 4 As shown, the side of the main body 1 away from the groove 11 can be rectangular, and the main body 1 is installed as a whole on the top of the charging pile, so that advertisements can be pasted and / or light boxes can be installed on one side of the main body 1. Pasting advertisements at high places has a publicity effect, and installing light boxes facilitates the display of advertisements and improves the publicity effect. At the same time, in insufficient light conditions such as at night, installing light boxes can produce a certain lighting effect on the charging pile, making the use of the charging pile more convenient.

[0043] refer to Figure 4 In an exemplary embodiment, the cable outlets of the two balancers 2 are both located on a side of the corresponding balancer 2 away from the other balancer 2 .

[0044] like Figure 4 As shown, the direction in which the outlet and the through hole 12 face each other is the first direction, recorded as the X direction, and the direction in which the two balancers 2 are arranged is the second direction, recorded as the Y direction, that is, the length direction of the main body 1. The second direction is perpendicular to the first direction, and the plane enclosed by the first direction and the second direction is the reference plane, which is parallel to the front of the charging pile. When the outlets of the two balancers 2 are both located on the side of the corresponding balancer 2 away from the other balancer 2, the installation state of the balancer 2 is as shown in FIG. Figure 4 As shown, in the second direction, most of the structure of the balancer 2 is located between the two wire outlets, which can further reduce the volume of the main body 1, thereby reducing the space occupied by the entire gun line assist device.

[0045] For example, if the wire outlet ports of the two balancers 2 are both located on the side of the corresponding balancer 2 close to the other balancer 2, the occupied space of the two balancers 2 and the main body 1 in the second direction is larger on the premise that the cable clamp 3 can be connected to the gun wire.

[0046] Among them, the premise of ensuring that the cable clamp 3 can be connected to the gun wire means that in the second direction, the wire outlet ports of the two balancers 2 should extend beyond both sides of the corresponding charging pile.

[0047] Reference Figures 2 to 4 , in the exemplary embodiment, a universal wire guide is installed at the through hole 12, and the pulling rope passes through the universal wire guide.

[0048] In the exemplary embodiment, the universal wire guide may include a roller bracket 41, two first rollers 42 and two second rollers 43. The roller bracket 41 is integrally annular and is arranged at the through hole 12; the two first rollers 42 are both rotatably connected to the roller bracket 41, and the axial directions of the two first rollers 42 are the same; the two second rollers 43 are both rotatably connected to the roller bracket 41, and the axial directions of the two second rollers 43 are the same, and the axial direction of the second roller 43 is perpendicular to the axial direction of the first roller 42; wherein, the first rollers 42 and the second rollers 43 are arranged in an alternating and surrounding manner on the inner circumference of the roller bracket 41 and enclose a perforation, and the pulling rope passes through the perforation.

[0049] Specifically, as Figure 4 shown, at this time the universal wire guide is installed at the through hole 12, and the pulling rope passes through the universal wire guide.

[0050] Among them, as Figure 3 shown, the universal wire guide includes a roller bracket 41, two first rollers 42 and two second rollers 43. The first rollers 42 and the second rollers 43 are arranged in an alternating and surrounding manner on the inner circumference of the roller bracket 41 and enclose a perforation, and the pulling rope passes through the perforation. In this way, no matter in which direction the user pulls the gun wire, when the pulling rope extends out or retracts into the balancer 2, the friction force between the pulling rope and each first roller 42 and each second roller 43 is rolling friction, and the friction force is smaller, so that the service life of the pulling rope is longer.

[0051] Reference Figure 2 and Figure 4 , in the exemplary embodiment, the gun wire assisting device may further include a connecting portion 31, and the connecting portion 31 is arranged at one end of the pulling rope outside the balancer 2; wherein, the cross-sectional area of the connecting portion 31 perpendicular to the first direction is larger than the cross-sectional area of the perforation perpendicular to the first direction, and the first direction is the direction in which the wire outlet port faces the through hole 12.

[0052] Specifically, the cross-sectional area of the connecting portion 31 perpendicular to the first direction is larger than the cross-sectional area of the perforation perpendicular to the first direction, that is, the connecting portion 31 cannot pass through the perforation on the universal guide rope device. The physical size difference is effectively utilized to prevent the pulling rope from being completely pulled into the groove 11, which may affect subsequent use. Specifically, when the cable clip 3 is not connected to the gun line, due to the cross-sectional area of the connecting portion 31 being larger than that of the perforation, it cannot pass through the perforation, thus preventing the pulling rope from being completely pulled into the interior of the groove 11. That is, the cable clip 3 is always located outside the groove 11. In this way, when disassembling or installing the gun line, it is more convenient to connect the cable clip 3 to the gun line.

[0053] Reference Figure 2 , in an exemplary embodiment, the gun line assisting device may further include a buckle 32. The buckle 32 connects the connecting portion 31 and the cable clip 3. Among them, the buckle 32 is detachably connected to both the cable clip 3 and the connecting portion 31.

[0054] Among them, as Figure 2 shown, the buckle 32 can be a carabiner. A ring structure for connecting the carabiner, such as a sling ring, etc., can be provided on one side of the connecting portion 31 and the cable clip 3 close to the buckle 32. In this way, the carabiner can be looped around the corresponding two ring structures to connect the connecting portion 31 and the cable clip 3. When it is necessary to disassemble the gun line, just press the carabiner, and then remove the cable clip 3 from the carabiner. The same applies when installing the cable clip 3. In this way, the operation of installing or disassembling the cable clip 3 is more convenient and fast. In other words, the operation of installing or disconnecting the gun line is more convenient.

[0055] It should be noted that, as Figure 3 shown, the cable clip 3 can be a cylinder. The gun line passes through the inner circumference of the cylinder, and a ring structure is provided on the outer circumference of the cylinder to connect with the carabiner.

[0056] Reference Figure 2 , in an exemplary embodiment, the gun line assisting device may further include a cover plate 5. The cover plate 5 is arranged at the notch of the groove 11 and seals the groove 11.

[0057] As Figure 2 shown, arranging the cover plate 5 at the notch of the groove 11 can seal the groove 11. The cover plate 5 can effectively block external impurities such as dust and moisture from entering the interior of the groove 11, and can effectively protect the components inside the groove 11 (such as the pulling rope, the balancer 2, etc.) from being contaminated or corroded. Especially when this device is used outdoors or in a harsh environment, closing the groove 11 is more important.

[0058] Furthermore, by means of the sealing groove 11, it is possible to prevent external foreign objects from accidentally entering and causing jamming or other mechanical failures, thereby improving the operating safety of the entire system. At the same time, the sealing design can, to a certain extent, reduce the workload of daily cleaning and maintenance because the internal parts of the groove 11 are not easily contaminated by the outside, making the maintenance simpler and more efficient; it effectively reduces the influence of external environmental factors on the internal components, helps slow down the aging process of the components, and extends the overall service life of the device.

[0059] In addition, the use of the cover plate 5 can make the overall body 1 have a rectangular structure, which is more beautiful, neat, and generous.

[0060] Reference Figure 1 , on the basis of the above embodiments, the embodiment of the present application further provides a charging pile, which may include a pile body 6, the above-mentioned gun line assisting device, and a gun line. The pile body 6 has a top cover provided in a first direction, and the first direction is the same as the height direction of the pile body 6; the above-mentioned gun line assisting device is installed on the top cover. Among them, the cable clamp 3 is located on the side of the main body 1 facing the pile body 6; the gun line is connected to the cable clamp 3.

[0061] Among them, as Figure 1 shown, during installation, the first direction can be the same as the height direction of the pile body 6, and the second direction can be the same as the width direction of the front of the pile body 6; at the same time, the advertisement or light box pasted on the main body 1 is located on the side of the main body 1 close to the front of the pile body 6, so that users can easily observe the advertisement when using the charging pile, and the publicity effect is better.

[0062] In addition, an installation frame can be welded on the side of the main body 1 facing the pile body 6, and the installation frame can be connected to the pile body 6 through bolts. The specific structure of the installation frame is not limited here.

[0063] Reference Figure 1 , in an exemplary embodiment, when the balancer 2 is in a balanced state, the cable clamp 3 and the through hole 12 are directly opposite in the first direction.

[0064] Specifically, when the charging gun on the charging pile is not in use, the balancer 2 corresponding to the gun line of this charging gun is in a balanced state. At this time, if the cable clamp 3 and the through hole 12 are directly opposite in the first direction, the pull rope does not bend and change direction at the through hole 12, so that the service life of the pull rope can be improved.

[0065] The above are only the preferred embodiments of the present application, and do not limit the patent scope of the present application accordingly. Any equivalent structural or equivalent process transformation made by using the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, shall be included in the patent protection scope of the present application by the same token.

Claims

1. A gun line boosting device, characterized in that, include: The main body (1) is provided with a groove (11) at one end in the length direction thereof, and a through hole (12) is provided on one side of the main body (1), wherein the through hole (12) is connected to the groove (11); A balancer (2) is arranged in the groove (11) and has a wire outlet. A pull rope is arranged inside the balancer (2). One end of the pull rope passes through the wire outlet and the through hole (12). The wire outlet is directly opposite to the through hole (12). The balancer (2) has a degree of freedom to rotate about a third direction. The third direction is perpendicular to the length direction of the main body (1). A cable clamp (3) is arranged at one end of the pull rope located outside the balancer (2).

2. The gun line boosting device according to claim 1, wherein The main body (1) is provided with a groove (11) at two end positions thereof respectively; The through hole (12), the balancer (2) and the cable clamp (3) are each provided with two and correspond one to one with the two grooves (11).

3. The gun line boosting device according to claim 2, characterized in that, The wire outlets of the two balancers (2) are both located on a side of the corresponding balancer (2) away from the other balancer (2).

4. The gun line boosting device according to claim 1, wherein A universal rope guide is installed at the through hole (12), and the pull rope passes through the universal rope guide.

5. The gun line boosting device according to claim 4, characterized in that, The universal rope guide comprises: A roller bracket (41) which is generally annular and is disposed at the through hole (12); Two first rollers (42) are both rotatably connected to the roller bracket (41), and the axial directions of the two first rollers (42) are the same; Two second rollers (43) are both rotatably connected to the roller bracket (41), the two second rollers (43) have the same axial direction, and the axial direction of the second roller (43) is perpendicular to the axial direction of the first roller (42); The first roller (42) and the second roller (43) are arranged alternately and surroundingly on the inner circumference of the roller bracket (41) and form a through hole, and the pull rope passes through the through hole.

6. The gun line boosting device according to claim 5, wherein, The gun line booster device also includes: A connecting portion (31) is arranged at one end of the pull rope located outside the balancer (2); The cross-sectional area of ​​the connecting portion (31) perpendicular to a first direction is greater than the cross-sectional area of ​​the through hole perpendicular to the first direction, and the first direction is the direction in which the wire outlet and the through hole (12) face each other.

7. The gun line boosting device according to claim 6, characterized in that, The gun line booster device also includes: A buckle (32) connects the connecting portion (31) and the cable clamp (3), wherein the buckle (32), the cable clamp (3) and the connecting portion (31) are all detachably connected.

8. The gun line boosting device according to claim 1, wherein, The gun line booster device also includes a cover plate (5), wherein the cover plate (5) is arranged at the notch of the groove (11) and seals the groove (11).

9. A charging pile, characterized in that, include: The pile body (6) has a top cover arranged in a first direction, wherein the first direction is the same as the height direction of the pile body (6); The gun line assist device according to any one of claims 1 to 8, mounted on the top cover, wherein the cable clamp (3) is located on a side of the main body (1) facing the pile body (6); The gun line is connected to the cable clamp (3).

10. A charging pile as claimed in claim 9, wherein, When the balancer (2) is in a balanced state, the cable clamp (3) is directly opposite to the through hole (12) in the first direction.

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