阅读说明：本技术 一种用于输电高压电缆的浇注熔接装置和方法 (Pouring fusion welding device and method for power transmission high-voltage cable ) 是由 李海 沈斌 凌立勇 夏军 彭春兵 王东源 何荷 杨天宇 王福生 徐操 周利军 于 2020-07-15 设计创作，主要内容包括：本发明涉及一种用于输电高压电缆的浇注熔接装置和方法,装置包括焊料熔化容器、浇口、浇注把和投料口盖板,浇口和浇注把均连接焊料熔化容器的侧壁,焊料熔化容器的上端设有投料口,焊料熔化容器的上端连接投料口盖板,焊料熔化容器外侧设有保温层；使用时,打开投料口盖板,经过投料口向焊料熔化容器中投放焊料；浇注前,将焊料熔化容器内的焊料熔化,通过操作浇注把,将熔化后的焊料,由浇口浇注到输电高压电缆上的待固定件成型模具上,焊料冷却后拆除成型模具,完成焊接。与现有技术相比,本发明可取代传统人工封铅,确保封铅产品质量,有效降低了明火对电缆的损伤,减少受到户外环境影响,保障了电缆安全,明显提高了电缆运行安全。(The invention relates to a pouring fusion device and a method for a power transmission high-voltage cable, wherein the device comprises a solder melting container, a pouring gate, a pouring handle and a feeding port cover plate, wherein the pouring gate and the pouring handle are connected with the side wall of the solder melting container; when in use, the cover plate of the feed opening is opened, and solder is put into the solder melting container through the feed opening; before pouring, the solder in the solder melting container is melted, the melted solder is poured onto a forming die of a to-be-fixed part on the power transmission high-voltage cable through a pouring gate by operating a pouring handle, and the forming die is detached after the solder is cooled, so that the welding is completed. Compared with the prior art, the invention can replace the traditional manual lead sealing, ensure the quality of lead sealing products, effectively reduce the damage of open fire to the cable, reduce the influence of outdoor environment, ensure the safety of the cable and obviously improve the operation safety of the cable.)

1. The pouring fusion welding device for the power transmission high-voltage cable is characterized by comprising a solder melting container (1), a pouring gate (2), a pouring handle (10) and a feeding port cover plate (6), wherein the pouring gate (2) and the pouring handle (10) are connected with the side wall of the solder melting container (1), the upper end of the solder melting container (1) is provided with a feeding port, the upper end of the solder melting container (1) is connected with the feeding port cover plate (6), when the feeding port cover plate (6) is in a closed state, the feeding port cover plate (6) completely covers the feeding port, and the outer side of the solder melting container (1) is provided with a heat insulation layer (9);

when in use, solder is put into the solder melting container (1) through the feed opening by opening the feed opening cover plate (6); before pouring, the solder in the solder melting container (1) is melted, the melted solder is poured onto a forming die of a to-be-fixed part on the power transmission high-voltage cable through the pouring gate (2) by operating the pouring handle (10), and the forming die is detached after the solder is cooled, so that the welding is completed.

2. A cast fusion apparatus for high-voltage power transmission cables according to claim 1, characterized in that the pouring spout (2) is provided with a slag-separation structure.

3. A cast fusion apparatus for electric power transmission high voltage cables according to claim 1, characterized in that the outlet end of the gate (2) is provided with a splashproof (3).

4. A cast fusion apparatus for high voltage power transmission cables according to claim 1, characterized in that the upper end of the solder melting vessel (1) is further provided with a cover locking structure (8), which cover locking structure (8) cooperates with the feed opening cover plate (6) for locking and releasing the feed opening cover plate (6).

5. The cast fusion apparatus for high-voltage power transmission cables as claimed in claim 1, wherein a temperature measuring assembly is further connected to the solder melting vessel (1) for detecting and displaying the internal temperature of the solder melting vessel (1).

6. A cast fusion apparatus for high-voltage power transmission cables according to claim 5, characterized in that said temperature measuring component is a thermometer (4).

7. A cast fusion apparatus for high-voltage power transmission cables according to claim 1, characterized in that the solder melting vessel is further connected with a handle (5).

8. A cast fusion apparatus for transmission high voltage cables according to claim 1, characterized in that the cast fusion apparatus is provided with a viewing window (7).

9. A cast fusion apparatus for transmission high voltage cables according to claim 8, characterized in that the observation window (7) is located at the surface of the feeder cover (6).

10. A cast fusion method using a cast fusion apparatus for electric transmission high-voltage cables according to claim 1, characterized by comprising the steps of:

a solder loading step: obtaining a cast fusion apparatus for transmission high voltage cables according to claim 1, opening a cover plate (6) of a feed opening, and feeding solder into a solder melting vessel (1) through the feed opening;

and (3) melting the solder: heating the pouring fusion device until the solder is molten;

pouring and welding: after the solder in the pouring fusion device is melted, the pouring handle (10) is operated, the melted solder is poured onto a forming die of a to-be-fixed part on the power transmission high-voltage cable from the pouring gate (2), and the forming die is detached after the solder is cooled, so that the welding is completed.

Technical Field

The invention relates to the field of installation of power transmission high-voltage cable accessories, in particular to a pouring fusion device and a method for a power transmission high-voltage cable.

Background

The metal sheath is required to be installed on the power transmission high-voltage cable accessory, the existing sealing process mostly adopts a liquefied gas spray gun open fire to directly melt the welding flux on the high-voltage cable metal sheath, and the welding flux is manually accumulated and formed to achieve the effect of welding the cable metal sheath and the accessory parts.

The disadvantage of this method is that the direct use of naked light on the high-voltage cable body, the temperature of cable insulating layer is difficult to control in the work progress, easily causes the cable scald, influences cable life.

Disclosure of Invention

The invention aims to overcome the defect that the service life of a cable is influenced by directly installing a metal sheath on a high-voltage cable body by using open fire in the prior art, and provides a pouring and welding device and a method for a power transmission high-voltage cable.

The purpose of the invention can be realized by the following technical scheme:

a pouring fusion welding device for a power transmission high-voltage cable comprises a solder melting container, a pouring gate, a pouring handle and a feeding port cover plate, wherein the pouring gate and the pouring handle are connected with the side wall of the solder melting container;

when in use, the cover plate of the feed opening is opened, and solder is put into the solder melting container through the feed opening; before pouring, the solder in the solder melting container is melted, the melted solder is poured onto a forming die of a to-be-fixed part on the power transmission high-voltage cable through a pouring gate by operating a pouring handle, and the forming die is detached after the solder is cooled, so that the welding is completed.

Further, the sprue is provided with a slag separation structure.

Furthermore, an anti-splashing gate cover plate is arranged at the outlet end of the gate.

Furthermore, the upper end of the solder melting container is also provided with a cover plate locking structure which is matched with the feeding port cover plate and used for locking and unlocking the feeding port cover plate through the cover plate locking structure.

Furthermore, the solder melting container is also connected with a temperature measuring component which is used for detecting and displaying the internal temperature of the solder melting container.

Further, the temperature measuring component is a thermometer.

Furthermore, the temperature measuring assembly comprises a temperature measuring probe and a temperature display disc which are connected with each other, the temperature display disc is provided with the outer surface of the solder melting container, and the temperature measuring probe is arranged on the inner surface of the solder melting container.

Further, the solder melting container is also connected with a handle.

Further, the pouring fusion device is provided with an observation window.

Further, the observation window is positioned on the surface of the feeding port cover plate.

The invention also provides a pouring fusion method adopting the pouring fusion device for the high-voltage power transmission cable, which comprises the following steps:

a solder loading step: the pouring welding device for the high-voltage power transmission cable is obtained, a cover plate of a feeding port is opened, and solder is put into a solder melting container through the feeding port;

and (3) melting the solder: heating the pouring fusion device until the solder is molten;

pouring and welding: and after the solder in the pouring fusion device is melted, pouring the melted solder onto a forming die of a to-be-fixed part on the power transmission high-voltage cable from the pouring gate by operating the pouring handle, and removing the forming die after the solder is cooled to finish welding.

Compared with the prior art, the invention has the following advantages:

(1) when the pouring fusion device is used for pouring and fusing the transmission high-voltage cable, the welding flux can be melted and poured into the fixed mould on the transmission high-voltage cable, so that the cable metal sheath and the accessory part are welded and formed, open fire is prevented from being directly used on the high-voltage cable body in the installation process of the transmission high-voltage cable accessory, the damage of the open fire to the cable is effectively reduced, the safety of the cable is guaranteed, and the operation safety is obviously improved;

(2) the pouring and welding device can be used for a lead sealing process, replaces the traditional manual lead sealing, and ensures the quality of lead sealing products;

(3) the heat-insulating layer is arranged on the outer side of the solder melting container, so that the heating efficiency during the melting of the solder is improved;

(4) the anti-splashing gate cover plate arranged at the gate and the cover plate locking structure of the feed opening are used for preventing splashing during accidental overturning, so that the use safety of the pouring and welding device is improved;

(5) the pouring gate is a pouring gate with a slag separation structure, so that the quality of the welding flux during pouring is ensured.

Drawings

FIG. 1 is a front view of a cast fusion apparatus of the present invention;

FIG. 2 is a top view of a cast fusion apparatus of the present invention;

in the figure, 1, a solder melting container, 2, a pouring gate, 3, a splashproof pouring gate cover plate, 4, a thermometer, 5, a handle, 6, a feeding port cover plate, 7, an observation window, 8, a cover plate locking structure, 9, an insulating layer, 10 and a pouring handle.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.