WO-2026091749-A1 - TURNOVER MECHANISM FOR CABLE IRRADIATION AND ELECTRON ACCELERATOR SYSTEM

WO2026091749A1WO 2026091749 A1WO2026091749 A1WO 2026091749A1WO-2026091749-A1

Abstract

Disclosed in the present invention are a turnover mechanism for cable irradiation and an electron accelerator system. The turnover mechanism for cable irradiation comprises a plurality of guide wheels and at least two turnover wheels. The electron accelerator system comprises an irradiation window and an electron accelerator. The turnover wheels are used for controlling irradiation angles of cables in the irradiation window. An included angle between the plane where the turnover wheels are located and an electron acceleration direction of the electron accelerator is greater than zero degree and less than 90 degrees. The guide wheels are used for guiding the cables onto the turnover wheels and guiding the cables into the range of the irradiation window. The present invention is applicable to the irradiation of large-diameter cables, such that cables are uniformly irradiated during irradiation, and cables are turned over by means of a guide wheel system configured at a specific angle, so as to achieve uniform irradiation at controllable angles, thus providing conditions for reducing the size of electron accelerator systems for cables.

Inventors

SONG, SHIPENG
ZHANG, Jionghui

Assignees

上海福照人间技术有限公司

Dates

Publication Date: 20260507
Application Date: 20250807
Priority Date: 20241031

Claims (10)

A cable irradiation flipping mechanism for an electron accelerator system is characterized in that the cable irradiation flipping mechanism includes a plurality of guide wheels and at least two flipping wheels, and the electron accelerator system includes an irradiation window and an electron accelerator. The flipping wheel is used to control the irradiation angle of the cable in the irradiation window. The angle between the plane where the flipping wheel is located and the electron acceleration direction of the electron accelerator is greater than zero degrees and less than 90 degrees. The guide wheel is used to guide the cable onto the flipping wheel and guide the cable into the irradiation window area.
The cable irradiation flipping mechanism as described in claim 1 is characterized in that the number of flipping wheels is one less than the number of cables passing through the irradiation window range at the same time.
The cable irradiation flipping mechanism as described in claim 1 is characterized in that the number of flipping wheels is 2. For a cable, the guide wheel guides the cable through the irradiation window and into the second flipping wheel, the guide wheel guides the cable coming out of the second flipping wheel through the irradiation window and into the first flipping wheel, and the guide wheel guides the cable coming out of the first flipping wheel through the irradiation window and out of the cable irradiation flipping mechanism. The angle between the plane of the first flipping wheel and the direction of electron acceleration of the electron accelerator is 30 degrees, and the angle between the plane of the first flipping wheel and the plane of the second flipping wheel is 60 degrees.
The cable irradiation flipping mechanism as described in claim 3 is characterized in that the guide wheel includes two sets of three-groove guide wheels, each three-groove guide wheel includes three single-groove guide wheels, the two three-groove guide wheels are at the same height, the electron acceleration direction of the electron accelerator is located in the plane where the two three-groove guide wheels are located, the two three-groove guide wheels are respectively located on both sides of the irradiation window, and the two single-groove flipping wheels are respectively located on both sides of the two three-groove guide wheels.
The cable irradiation flipping mechanism as described in claim 4 is characterized in that the guide wheel further includes two single-groove guide wheels and two sets of double-groove guide wheels. Each double-groove guide wheel includes two single-groove guide wheels. The two double-groove guide wheels are respectively disposed on both sides of the two triple-groove guide wheels. The lowest point of the single-groove guide wheel and the double-groove guide wheel is lower than the highest point of the triple-groove guide wheel. The groove of the single-groove guide wheel is aligned with one groove of the triple-groove guide wheel. The groove of the double-groove guide wheel is aligned with the other two grooves of the triple-groove guide wheel. The single-groove guide wheel and the double-groove guide wheel on one side are disposed between the flipping wheel and the triple-groove guide wheel on the same side.
The cable irradiation flipping mechanism as described in claim 5 is characterized in that the plane of the single-groove guide wheel forms an angle of 30 degrees with the electron acceleration direction of the electron accelerator.
The cable irradiation and flipping mechanism as described in claim 5 is characterized in that the guide wheel further includes two single-groove guide wheels, one guide wheel guides the cable into a double-groove guide wheel, and the other guide wheel guides the output cable of the other double-groove guide wheel to be output from the cable irradiation and flipping mechanism.
The cable irradiation flipping mechanism as described in claim 1 is characterized in that the electron accelerator system includes a shielding shell and a mobile cable irradiation operation platform; The mobile cable irradiation platform includes a platform base, a shielding door body, and two cable take-up and delivery devices. The cable irradiation flipping mechanism is located on the platform base. The platform base is equipped with a moving device at its bottom; The shielding door body is vertically mounted at the rear end of the platform base; The take-up and release device is used to wind the cable, and the cable on the take-up and release device is connected to the cable irradiation and flipping mechanism. The cable irradiation and flipping mechanism guides the cable on the cable take-up and unwinding device to the rear of the shielding door body; When the platform base moves to the working position, the shielding door body and the shielding shell form a shielding cavity, and the irradiation window is located in the shielding cavity.
The cable irradiation flipping mechanism as described in claim 8 is characterized in that the electron accelerator system further includes two auxiliary shielding doors, which are located on the front side of the shielding door body and on both sides of the platform base, with a cable routing gap between the two auxiliary shielding doors and a cable routing gap between the auxiliary shielding doors and the shielding door body.
An electron accelerator system, characterized in that the electron accelerator system includes a cable irradiation flipping mechanism as described in any one of claims 1 to 9.

Description

Cable irradiation flipping mechanism and electron accelerator system Technical Field The technical field of this invention is cable irradiation equipment, and a cable irradiation flipping mechanism and an electron accelerator system are specifically designed. Background Technology Cable irradiation refers to the process of irradiating cables, typically using radiation crosslinking technology to enhance cable performance. This process primarily serves the following purposes: Enhance the physical properties of cables: Radiation cross-linking can improve the heat resistance, abrasion resistance and mechanical strength of cables, making them perform better in harsh environments. Improving the electrical performance of cables: Irradiation treatment can make the insulation material of cables more stable, thereby improving the insulation performance and voltage withstand capability of cables. Extended service life: Cross-linked cables are more resistant to aging and corrosion, thus extending their service life. The irradiation process typically uses high-energy electron beams or gamma rays. The treated cables exhibit improved reliability and durability in many applications, such as automotive, power, and electronics. Existing cable irradiation devices suffer from drawbacks such as uneven cable irradiation, large device footprint, inconvenient assembly and production, and short service life of equipment and parts. Summary of the Invention The technical problem to be solved by the present invention is to overcome the defects of the prior art, such as uneven irradiation of cables, large footprint of the device, inconvenient assembly and production, and short service life of equipment and parts. The present invention provides a cable irradiation flipping mechanism and an electron accelerator system that are suitable for irradiating large-diameter cables, so that the cables are irradiated evenly during the irradiation process, and provide conditions for reducing the size of the electron accelerator system for cables. The present invention solves the above-mentioned technical problems through the following technical solution: A cable irradiation flipping mechanism for an electron accelerator system is characterized in that the cable irradiation flipping mechanism includes a plurality of guide wheels and at least two flipping wheels, and the electron accelerator system includes an irradiation window and an electron accelerator. The flipping wheel is used to control the irradiation angle of the cable in the irradiation window. The angle between the plane where the flipping wheel is located and the electron acceleration direction of the electron accelerator is greater than zero degrees and less than 90 degrees. The guide wheel is used to guide the cable onto the flipping wheel and guide the cable into the irradiation window area. Preferably, the number of flipping wheels is one less than the number of cables passing through the irradiation window range at the same time. Preferably, the number of the flipping wheels is 2. For a cable, the guide wheel guides the cable through the irradiation window and into the second flipping wheel, the guide wheel guides the cable coming out of the second flipping wheel through the irradiation window and into the first flipping wheel, and the guide wheel guides the cable coming out of the first flipping wheel through the irradiation window and out of the cable irradiation flipping mechanism. The angle between the plane of the first flipping wheel and the direction of electron acceleration of the electron accelerator is 30 degrees, and the angle between the plane of the first flipping wheel and the plane of the second flipping wheel is 60 degrees. Preferably, the guide wheel includes two sets of three-slot guide wheels, each three-slot guide wheel includes three single-slot guide wheels, the two three-slot guide wheels are at the same height, the electron acceleration direction of the electron accelerator is located in the plane where the two three-slot guide wheels are located, the two three-slot guide wheels are respectively located on both sides of the irradiation window, and the two single-slot flipping wheels are respectively located on both sides of the two three-slot guide wheels. Preferably, the guide wheel further includes two single-groove guide wheels and two sets of double-groove guide wheels. Each double-groove guide wheel includes two single-groove guide wheels. The two double-groove guide wheels are respectively located on both sides of the two triple-groove guide wheels. The lowest point of the single-groove guide wheel and the double-groove guide wheel is lower than the highest point of the triple-groove guide wheel. The groove of the single-groove guide wheel is aligned with one groove of the triple-groove guide wheel, and the groove of the double-groove guide wheel is aligned with the other two grooves of the triple-groove guide wheel. The single-groove guide wheel and th