High-voltage cable graphite coating device

Abstract

The utility model belongs to the technical field of cable production, and discloses a high-voltage cable graphite coating device which comprises a base. Two charging barrel units which are coaxially placed are fixed on the base, the charging barrel units are horizontally placed, and cavities for storing graphite slurry are formed in the charging barrel units; vertically upward grouting pipes are fixed to the tops of the charging barrel units, storage barrels for storing graphite slurry are fixed to the upper ends of the two grouting pipes, cavities in the charging barrel units are in through connection with the interiors of the storage barrels through the grouting pipes, and stirring mechanisms for stirring the graphite slurry are arranged in the storage barrels; through the arrangement of the two grouting pipes, graphite slurry in the material storage barrel continuously flows into the two charging barrel units, so that the graphite slurry in the two charging barrel units is always in a full state, the requirement of frequent shutdown for slurry supplementation is reduced, meanwhile, the phenomenon that the peripheral wall of the upper end of a cable is missed to be coated due to insufficient slurry is effectively avoided, and the service life of the cable is prolonged. And the uniformity and integrity of the graphite coating are ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable production technical field, concretely relates to a high -voltage cable graphite coating device. BACKGROUND

[0002] In the production process of high-voltage cable, in order to improve the insulation performance detection effect of cable outer sheath, usually needs to coat a layer of conductive material on its surface, and graphite is widely used due to its good conductivity and stability;The existing graphite coating device usually adopts single material cylinder structure, and the cable is coated by graphite slurry in the material cylinder;

[0003] For example, Chinese patent CN218996421U discloses a kind of high-voltage cable graphite coating device, the uniformity of graphite slurry is improved by the design of stirring ring and driving mechanism, and graphite particles are prevented from settling;However, the device still has the following deficiencies: first, single material cylinder structure has limited slurry capacity after long time use, and frequent downtime is needed to replenish slurry, which affects production efficiency;Second, when the slurry is insufficient, cable upper end circumferential wall may be leaked and coated, resulting in uneven coating, which affects the conductivity and insulation performance detection of cable;Therefore, the prior art has the problems of frequent replenishment of slurry and easy leakage when the slurry is insufficient. SUMMARY

[0004] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of high-voltage cable graphite coating device, which solves the problems of frequent replenishment of slurry and easy leakage when the slurry is insufficient in the prior art.

[0005] The purpose of the utility model can be achieved by the following technical solutions:

[0006] A kind of high-voltage cable graphite coating device, comprising a base;

[0007] Two material cylinder units are fixed on the base and placed coaxially, the material cylinder units are placed horizontally, and the material cylinder units have cavities for storing graphite slurry inside;

[0008] The top of the material cylinder unit is fixed with a vertical upwardly placed grouting pipe, and the upper end of the two grouting pipes is fixed with a storage cylinder for storing graphite slurry, the internal cavities of the material cylinder units are connected with the internal cavities of the storage cylinders through the grouting pipes, and the storage cylinders are provided with stirring mechanisms for stirring graphite slurry;

[0009] A cotton washer is provided above the base and placed coaxially with the material cylinder unit, and the cotton washer is fixed with the base through a support plate.

[0010] A polisher is fixed on the base, and the polisher is located on the side of the cotton washer away from the material cylinder unit.

[0011] The cable passes sequentially through two material cylinder units, cotton gaskets, and the polisher.

[0012] The principle and effect of the above technical solution are as follows:

[0013] The cable passes through two barrel units in sequence, enabling double coating and ensuring a more uniform graphite coating. Cotton gaskets absorb excess graphite slurry and moisture from the cable surface, while a polisher polishes the cable surface, effectively improving the smoothness and uniformity of the graphite coating. The two injection pipes continuously allow graphite slurry to flow from the storage cylinder into the two barrel units, ensuring they are always full. This reduces the need for frequent shutdowns to replenish slurry and significantly improves the continuity and stability of the coating process. It also effectively prevents incomplete coating of the upper cable periphery due to insufficient slurry, ensuring the uniformity and integrity of the graphite coating.

[0014] Each cylinder unit includes a horizontally placed cylinder. The end of the cylinder in any cylinder unit that is close to another cylinder unit is open. A turntable is rotatably engaged on the inner circumferential wall of the open end of the cylinder. Each cylinder unit has a through hole for the cable to pass through. The through hole is placed coaxially with the cylinder and passes through the turntable and the cylinder in sequence. Multiple stirring plates are evenly distributed in a ring around the central axis of the cylinder. The stirring plates are all fixed to the turntable.

[0015] The stirring mechanism includes a rotating shaft rotatably connected inside the storage cylinder, the rotating shaft being placed coaxially with the storage cylinder, and multiple stirring rods being provided inside the storage cylinder, all of which are fixed to the peripheral wall of the rotating shaft;

[0016] The stirring mechanism also includes a rotating motor fixed to the upper end of the storage cylinder, with the output end of the rotating motor fixed to the rotating shaft;

[0017] The lower end of the rotating shaft rotates through the bottom of the storage cylinder. A first bevel gear is fixedly sleeved on the rotating shaft below the storage cylinder. A second bevel gear is fixed on the side of the two rotating disks that are close to each other. The second bevel gears are placed on the same axis as the rotating disks. The second bevel gears are all ring-shaped, and the diameter of the inner circumferential wall of the second bevel gears is larger than the diameter of the through hole. The second bevel gears mesh with the first bevel gear.

[0018] The ends of the stirring plates furthest from the central axis of the through hole are all in contact with the inner circumferential wall of the cylinder, and the distance between the ends of the stirring plates furthest from the circumferential wall of the cylinder and the central axis of the cylinder is greater than the radius of the through hole.

[0019] The inner circumferential wall of the cylinder opening end is provided with a circular groove, and the circumference of the turntable is slidably connected to the circular groove.

[0020] A feeding funnel is fixed at the upper end of the storage cylinder, and the feeding funnel is connected to the inside of the storage cylinder.

[0021] The explanations of the nouns, conjunctions, or adjectives used in the above technical solutions are as follows:

[0022] Fixed connection: refers to a connection method in which two or more components are tightly connected together by welding, gluing or other methods, and cannot be easily separated.

[0023] Rotary connection: refers to a connection where two parts can rotate relative to each other, and is often used in mechanical devices when rotational motion is required.

[0024] The beneficial effects of this utility model are:

[0025] 1. The storage cylinder and the two cylinder units are filled with graphite slurry. The graphite slurry in the storage cylinder can be continuously stirred by the stirring mechanism to prevent graphite particles from settling.

[0026] By passing the cable through two barrel units in sequence, double coating can be achieved, ensuring a more uniform graphite coating. In addition, cotton gaskets absorb excess graphite slurry and moisture on the cable surface, and the polisher polishes the cable surface, effectively improving the smoothness and uniformity of the graphite coating on the cable surface.

[0027] With the installation of two grouting pipes, the graphite slurry in the storage cylinder continuously flows into the two cylinder units, ensuring that the graphite slurry in the two cylinder units is always full. This not only reduces the need for frequent shutdowns to replenish the slurry, but also significantly improves the continuity and stability of the coating process. At the same time, it effectively avoids the phenomenon of incomplete coating on the upper periphery of the cable due to insufficient slurry, ensuring the uniformity and integrity of the graphite coating.

[0028] 2. The setting of the rotating shaft, stirring rod and rotating motor facilitates continuous stirring of the graphite slurry in the storage cylinder; the setting of the turntable and stirring plate facilitates continuous stirring of the graphite slurry inside the cylinder unit, effectively preventing the graphite particles in the graphite slurry inside the cylinder unit from settling and improving the uniformity of coating.

[0029] By using the combination of the first and second bevel gears, when the rotating shaft drives the stirring rod to rotate, it simultaneously drives the second bevel gear and the turntable to rotate, thus achieving the linkage between the stirring of graphite slurry in the storage cylinder and the stirring of graphite slurry inside the cylinder unit. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0032] Figure 2 This is a schematic diagram of the structure of the rotating shaft of this utility model;

[0033] Figure 3 This is a partial structural diagram of the first bevel gear of this utility model;

[0034] Figure 4 This is a partial structural diagram of the stirring plate of this utility model. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0036] This combination Figures 1 to 4 This document describes an embodiment of a graphite coating device for high-voltage cables. Specifically, the high-voltage cable graphite coating device is constructed as a split structure, comprising a base 100, a material cylinder unit 200, a grouting pipe 300, a storage cylinder 400, a stirring mechanism, a cotton washer 600, and a polisher 700. During use, the storage cylinder 400 and the two material cylinder units 200 are filled with graphite slurry. The stirring mechanism continuously agitates the graphite slurry in the storage cylinder 400, preventing graphite particles from settling. The two grouting pipes 300 continuously allow the graphite slurry in the storage cylinder 400 to flow into the two material cylinder units 200, ensuring that the two material cylinder units 200 are always full. This not only reduces the need for frequent shutdowns to replenish the slurry but also significantly improves the continuity and stability of the coating process. Simultaneously, it effectively prevents incomplete coating of the upper periphery of the cable due to insufficient slurry, ensuring the uniformity and integrity of the graphite coating.

[0037] Please refer to Figures 1 to 4 A high-voltage cable graphite coating device, comprising a base 100;

[0038] Two cylindrical units 200 are fixed on the base 100 and placed coaxially. Both cylindrical units 200 are placed horizontally and each cylindrical unit 200 has a cavity inside for storing graphite slurry.

[0039] The top of each material cylinder unit 200 is fixed with a vertically upward-placed grouting pipe 300. The upper end of each of the two grouting pipes 300 is fixed with a storage cylinder 400 for storing graphite slurry. The internal cavity of the material cylinder unit 200 is connected to the inside of the storage cylinder 400 through the grouting pipe 300. The storage cylinder 400 is equipped with a stirring mechanism for stirring the graphite slurry.

[0040] A cotton washer 600 is provided above the base 100 and is placed on the same axis as the material cylinder unit 200. The cotton washer 600 is fixed to the base 100 by a support plate.

[0041] A polisher 700 is fixed on the base 100. The polisher 700 is located on the side of the cotton washer 600 away from the barrel unit 200.

[0042] The cable passes sequentially through two material cylinder units 200, cotton gasket 600, and polisher 700;

[0043] During use, the storage cylinder 400 and the two cylinder units 200 are filled with graphite slurry. The stirring mechanism continuously stirs the graphite slurry in the storage cylinder 400 to prevent graphite particles from settling. The cable is passed through the two cylinder units 200 in sequence to achieve double coating, ensuring a more uniform graphite coating. The cotton gasket 600 absorbs excess graphite slurry and moisture on the cable surface, and the polisher 700 polishes the cable surface, effectively improving the smoothness and uniformity of the graphite coating on the cable surface.

[0044] With the two injection pipes 300, the graphite slurry in the storage cylinder 400 continuously flows into the two cylinder units 200, ensuring that the graphite slurry in the two cylinder units 200 is always full. This not only reduces the need for frequent shutdowns to replenish the slurry, but also significantly improves the continuity and stability of the coating process. At the same time, it effectively avoids the phenomenon of incomplete coating on the upper periphery of the cable due to insufficient slurry, ensuring the uniformity and integrity of the graphite coating.

[0045] Preferably, a bracket for fixing and supporting the storage cylinder 400 can be provided on the base 100 to improve the stability of the support for the storage cylinder 400.

[0046] Each barrel unit 200 includes a horizontally placed cylinder 201. The end of the cylinder 201 in any barrel unit 200 closest to another barrel unit 200 is open. A turntable 202 is rotatably engaged on the inner circumferential wall of the open end of the cylinder 201. Each barrel unit 200 has a through hole 203 for cable passage. The through hole 203 is placed coaxially with the cylinder 201 and passes through the turntable 202 and the cylinder 201 in sequence. Multiple stirring plates 204 are evenly distributed in a ring around the central axis of the cylinder 201. The stirring plates 204 are all fixed to the turntable 202. During the coating process, by rotating the turntable 202, the turntable 202 drives the stirring plates 204 to continuously stir the graphite slurry inside the barrel unit 200, effectively preventing the graphite particles in the graphite slurry inside the barrel unit 200 from settling and improving the coating uniformity.

[0047] The stirring mechanism includes a rotating shaft 500 rotatably connected inside the storage cylinder 400. The rotating shaft 500 and the storage cylinder 400 are placed on the same axis. Multiple stirring rods 501 are provided inside the storage cylinder 400, and all stirring rods 501 are fixed to the peripheral wall of the rotating shaft 500. By rotating the rotating shaft 500, the stirring rods 501 are driven to continuously stir the graphite slurry in the storage cylinder 400.

[0048] The stirring mechanism also includes a rotary motor 502 fixed to the upper end of the storage cylinder 400, and the output end of the rotary motor 502 is fixed to the rotating shaft 500; by turning on the rotary motor 502, the rotating shaft 500 and the stirring rod 501 can be driven to rotate.

[0049] The lower end of the rotating shaft 500 rotates through the bottom of the storage cylinder 400. A first bevel gear 800 is fixedly sleeved on the rotating shaft 500 below the storage cylinder 400. A second bevel gear 900 is fixed on the side surface of the two turntables 202 that are close to each other. The second bevel gears 900 are all placed coaxially with the turntables 202. The second bevel gears 900 are all annular, and the diameter of the inner circumferential wall of the second bevel gear 900 is larger than the diameter of the through hole 203. The second bevel gears 900 mesh with the first bevel gear 800. When the rotating motor 502 drives the rotating shaft 500 and the stirring rod 501 to rotate, the rotating shaft 500 synchronously drives the first bevel gear 800, and the first bevel gear 800 drives the second bevel gear 900. The second bevel gear 900 drives the two turntables 202 to rotate, so as to stir the graphite slurry inside the material cylinder unit 200.

[0050] The ends of the stirring plate 204 away from the central axis of the through hole 203 are all in contact with the inner peripheral wall of the cylinder 201, and the distance between the end of the stirring plate 204 away from the peripheral wall of the cylinder 201 and the central axis of the cylinder 201 is greater than the radius of the through hole 203; so as to effectively scrape up the graphite particles that fall on the inner peripheral wall of the bottom of the cylinder 201.

[0051] The inner circumferential wall of the opening end of the cylinder 201 is provided with annular grooves 205, and the circumference of the turntable 202 is slidably connected in the annular grooves 205; effectively improving the stability of the rotation of the turntable 202.

[0052] A feed funnel 401 is fixed at the upper end of the storage cylinder 400, and the feed funnel 401 is connected to the inside of the storage cylinder 400. The feed funnel 401 is provided to facilitate the injection or replenishment of graphite slurry into the storage cylinder 400.

[0053] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0054] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims of this utility model.

Claims

1. A graphite coating device for high-voltage cables, comprising a base (100), characterized in that: Two cylindrical units (200) are fixed on the base (100) and placed coaxially. Both cylindrical units (200) are placed horizontally and each cylindrical unit (200) has a cavity inside for storing graphite slurry. The top of each material cylinder unit (200) is fixed with a vertically upward-placed grouting pipe (300), and the upper end of each grouting pipe (300) is fixed with a storage cylinder (400) for storing graphite slurry. The internal cavity of the material cylinder unit (200) is connected to the inside of the storage cylinder (400) through the grouting pipe (300). The storage cylinder (400) is equipped with a stirring mechanism for stirring the graphite slurry. A cotton washer (600) is provided above the base (100) and is placed on the same axis as the material cylinder unit (200). The cotton washer (600) is fixed to the base (100) by a support plate. A polisher (700) is fixed on the base (100), and the polisher (700) is located on the side of the cotton washer (600) away from the barrel unit (200); The cable passes sequentially through the two barrel units (200), the cotton washer (600), and the polisher (700).

2. The high-voltage cable graphite coating device according to claim 1, characterized in that, Each cylinder unit (200) includes a horizontally placed cylinder (201). The end of the cylinder (201) in any cylinder unit (200) near the other cylinder unit (200) is open. A turntable (202) is rotatably engaged on the inner circumferential wall of the open end of the cylinder (201). Each cylinder unit (200) has a through hole (203) for cable to pass through. The through hole (203) is placed coaxially with the cylinder (201) and passes through the turntable (202) and the cylinder (201) in sequence. Multiple stirring plates (204) are evenly distributed in a ring around the central axis of the cylinder (201) inside the cylinder (201). The stirring plates (204) are all fixed to the turntable (202).

3. The high-voltage cable graphite coating device according to claim 2, characterized in that, The stirring mechanism includes a rotating shaft 5 (00) rotatably connected inside the storage cylinder (400). The rotating shaft (500) and the storage cylinder (400) are placed on the same axis. The storage cylinder (400) is provided with multiple stirring rods (501), and the stirring rods (501) are all fixed to the circumferential wall of the rotating shaft (500).

4. The high-voltage cable graphite coating device according to claim 3, characterized in that, The stirring mechanism also includes a rotating motor (502) fixed to the upper end of the storage cylinder (400), and the output end of the rotating motor (502) is fixed to the rotating shaft (500).

5. The high-voltage cable graphite coating device according to claim 4, characterized in that, The lower end of the rotating shaft (500) rotates through the bottom of the storage cylinder (400). A first bevel gear (800) is fixedly sleeved on the rotating shaft (500) below the storage cylinder (400). A second bevel gear (900) is fixed on the side surface of the two turntables (202) that are close to each other. The second bevel gears (900) are all placed on the same axis as the turntables (202). The second bevel gears (900) are all annular, and the diameter of the inner circumferential wall of the second bevel gears (900) is larger than the diameter of the through hole (203). The second bevel gears (900) mesh with the first bevel gear (800).

6. The high-voltage cable graphite coating device according to claim 5, characterized in that, The end of the stirring plate (204) away from the central axis of the through hole (203) is in contact with the inner peripheral wall of the cylinder (201), and the distance between the end of the stirring plate (204) away from the peripheral wall of the cylinder (201) and the central axis of the cylinder (201) is greater than the radius of the through hole (203).

7. The high-voltage cable graphite coating device according to claim 6, characterized in that, The inner circumferential wall of the opening end of the cylinder (201) is provided with a circular groove (205), and the circumference of the turntable (202) is slidably connected in the circular groove (205).

8. The high-voltage cable graphite coating apparatus according to claim 7, characterized in that, A feeding funnel (401) is fixed at the upper end of the storage cylinder (400), and the feeding funnel (401) is connected to the inside of the storage cylinder (400).

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