CN211929060U

CN211929060U - Electron accelerator ray shielding device

Info

Publication number: CN211929060U
Application number: CN202020072603.3U
Authority: CN
Inventors: 曹娟; 黄伟; 程永波
Original assignee: Jiangsu Jiurui High Energy Electronic Co ltd
Current assignee: Jiangsu Jiurui High Energy Electronic Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-11-13
Anticipated expiration: 2030-01-14

Abstract

The utility model relates to an electron accelerator ray shielding device, which comprises a scanning box, a scanning coil and an outer bracket, wherein the outer bracket is sequentially connected with an upper fixed shielding chamber section and a lower shielding chamber section in a stacking manner from top to bottom; the upper section of the fixed shielding chamber is fixedly connected to the outer bracket, and the middle section of the shielding chamber and the lower section of the shielding chamber are slidably connected to the outer bracket; a hydraulic cylinder is connected to the lower part of the lower section of the shielding chamber on the outer support; the middle section of the shielding chamber and two sides of the lower section of the shielding chamber are both connected with fixed blocks, and the outer bracket is connected with a bolt mechanism corresponding to the fixed blocks; the shielding device of the utility model is composed of lifting and split doors in a sectional combination way, which is convenient for the maintenance of internal parts, has simple structure and saves materials; and the step-shaped connecting surface is adopted to refract and attenuate rays, so that the ray shielding effect is ensured.

Description

Electron accelerator ray shielding device

Technical Field

The utility model relates to an electron accelerator ray shielding field, concretely relates to electron accelerator ray shielding device.

Background

With the rapid development and application of the electron accelerator in the irradiation industry, the self-shielding electron accelerator needs to have the advantages of small size, modularization, strong ray protection capability, reasonable design of shielding structure, convenient installation and maintenance, suitability for workshop online installation requirements of different industries, and the like.

However, the application of electron beam devices using radiation pre-crosslinking for polymer materials such as POF, PVDC, EVA and the like in the market is in a fast development stage at present, but because of no practical application experience in the industry, the defects are more, for example, the design of a ray shielding structure is too large, not only shielding materials are wasted, but also the occupied area is large, and the maintenance is not convenient, so that the one-time investment and long-term operation cost of equipment using enterprises are higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the ray shielding device of the electron accelerator is convenient to overhaul, simple in structure and material-saving.

In order to achieve the above object, the present invention provides the following technical solutions:

a ray shielding device of an electron accelerator comprises a scanning box, a scanning coil and an outer support, wherein the outer support is sequentially connected with an upper fixed shielding chamber section and a lower shielding chamber section in a stacking manner from top to bottom; the upper section of the fixed shielding chamber is fixedly connected to the outer bracket, and the middle section of the shielding chamber and the lower section of the shielding chamber are slidably connected to the outer bracket; a hydraulic cylinder is connected to the lower part of the lower section of the shielding chamber on the outer support; the middle section of the shielding chamber and two sides of the lower section of the shielding chamber are both connected with fixed blocks, and the outer bracket is connected with a bolt mechanism corresponding to the fixed blocks; one side of the upper section of the fixed shielding chamber is connected with a split door and a detachable sealing plate, and the detachable sealing plate is positioned below the split door.

Furthermore, the detachable sealing plate is detachably connected to the upper section of the fixed shielding chamber through a screw; the split doors are connected by a door bolt.

Furthermore, the connecting surfaces of the upper section of the fixed shielding chamber, the middle section of the shielding chamber and the lower section of the shielding chamber are in a step shape, and the number of the step layers is more than three.

Furthermore, the two sides of the outer support are respectively connected with a sliding rail, the two sides of the middle section of the shielding chamber and the lower section of the shielding chamber are connected with sliding blocks, and the sliding blocks are slidably connected to the sliding rails.

Furthermore, a slot is arranged below the connecting block; the bolt mechanism comprises a fixed block and a sliding pin, a sliding hole is formed in the side face of the connecting block, and the sliding pin is connected in the sliding hole in a sliding mode.

Furthermore, the sliding hole is arranged corresponding to the slot; the tail of the sliding pin is provided with a pull ring hole, and the side surface of the connecting block is connected with a locking screw.

Furthermore, supporting blocks are arranged at four corners below the lower section of the shielding chamber on the outer support.

The utility model has the advantages that: the utility model relates to an electron accelerator ray shielding device, which is composed of a liftable subsection combination type shielding device, is convenient for the maintenance of internal parts, has simple structure and saves materials; and the step-shaped connecting surface is adopted to refract and attenuate rays, so that the ray shielding effect is ensured.

Drawings

Fig. 1 is an axial view of a ray shielding device of an electron accelerator according to the present invention;

fig. 2 is a front view of the electron accelerator beam shielding apparatus of the present invention;

fig. 3 is an isometric view of the middle section of the shielding chamber according to the present invention;

fig. 4 is a connection structure diagram of the fixing block and the latch mechanism according to the present invention;

FIG. 5 is a schematic view of the half-section mechanism after the separation of the lower section of the shielding chamber of the present invention;

FIG. 6 is a schematic diagram of a half-section mechanism after the middle section of the shielding chamber and the lower section of the shielding chamber are separated;

in the figure: 1. a scanning box; 2. a scanning coil; 3. an outer support; 31. a slide rail; 32. a support block; 4. fixing the upper section of the shielding chamber; 41. opening the door oppositely; 42. a detachable sealing plate; 5. shielding the middle section of the chamber; 51. a fixed block; 511. a slot; 6. the lower section of the shielding chamber; 61. a slider; 7. a hydraulic cylinder; 81. connecting blocks; 82. a slide pin; 83. and locking the screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 6, a ray shielding device of an electron accelerator comprises a scanning box 1, a scanning coil 2 and an outer bracket 3, wherein a fixed shielding chamber upper section 4 and a shielding chamber lower section 6 are sequentially stacked and connected on the outer bracket 3 from top to bottom, a shielding chamber middle section 5 is arranged between the fixed shielding chamber upper section 4 and the shielding chamber lower section 6, and the scanning box 1 and the scanning coil 2 are fixedly connected in the fixed shielding chamber upper section 4; the upper section 4 of the fixed shielding chamber is fixedly connected to the outer bracket 3, and the middle section 5 and the lower section 6 of the shielding chamber are slidably connected to the outer bracket 3; a hydraulic cylinder 7 is connected to the lower part of the lower section 6 of the shielding chamber on the outer bracket 3; both sides of the middle section 5 and the lower section 6 of the shielding chamber are connected with fixing blocks 51, and the outer bracket 3 is connected with a bolt mechanism corresponding to the fixing blocks 51; one side of the upper section 4 of the fixed shielding chamber is connected with a split door 41 and a detachable sealing plate 42, and the detachable sealing plate 42 is positioned below the split door 41.

The detachable sealing plate 42 is detachably connected to the upper section 4 of the fixed shielding chamber through a screw; the split doors 41 are connected by a door bolt.

The connecting surfaces of the upper section 4 of the fixed shielding chamber, the middle section 5 of the shielding chamber and the lower section 6 of the shielding chamber are all in a step shape, the number of step layers is more than three, and because light is linearly transmitted, the three step shapes can refract and attenuate rays, so that ray shielding is carried out, and leakage is avoided.

The two sides of the outer support 3 are respectively connected with a slide rail 31, the two sides of the middle section 5 and the lower section 6 of the shielding chamber are connected with slide blocks 61, and the slide blocks 61 can be connected on the slide rails 31 in a sliding manner.

A slot 511 is arranged below the fixed block 51; the bolt mechanism comprises a connecting block 81 and a sliding pin 82, wherein a sliding hole 811 is formed in the side surface of the connecting block 81, and the sliding pin 82 is slidably connected in the sliding hole 811.

The sliding hole 811 is arranged corresponding to the slot 511; the tail of the sliding pin 82 is provided with a pull ring hole 821, and the side surface of the connecting block 81 is connected with a locking screw 83.

And supporting blocks 32 are arranged at four corners of the outer bracket 3 below the lower section 6 of the shielding chamber.

The working principle is that when the conditions of maintenance, material discharge, demoulding, film preparation and the like of the interior of the lower section 6 of the shielding chamber are required: the locking screw 83 of the lower section 6 of the shielding chamber is loosened, the sliding pin 82 is drawn out of the slot 511, and the hydraulic cylinder 7 retracts to drive the lower section 6 of the shielding chamber to descend and separate from the middle section 5 of the shielding chamber, so that the operation is convenient.

When the titanium film of the scanning box 1 needs to be replaced: the locking screws 83 corresponding to the middle section 5 and the lower section 6 of the shielding chamber are loosened, the sliding pin 82 is pulled out from the slot 511, the hydraulic cylinder 7 retracts to drive the lower section 6 and the middle section 5 of the shielding chamber to descend together, and the titanium film part of the scanning box 1 is exposed for replacement.

When the components in the upper section 4 of the fixed shielding chamber need to be repaired and replaced, the split door 41 is opened or the detachable sealing plate 42 is detached to open the shielding chamber according to the position, so that the maintenance is convenient.

The utility model discloses the operation personnel just can carry out all parts and maintain and overhaul outside the shielding room, and the strong acid thing of having avoided remaining nitrogen oxide, ozone and water formation in the shielding room causes bodily injury to the operation personnel, has also avoided the space restriction simultaneously, but the online maintenance, no potential safety hazard, improve equipment's security performance practices thrift the cost. In the maintenance process, the production line can continuously process the sizing material with the non-irradiation specification without changing the original production mode. The utility model discloses very big reduction equipment maintenance time and to personnel's requirement in the maintenance process, optimized the design of polymer material irradiation prevulcanization equipment such as POF, PVDC, EVA, greatly reduced investment of enterprise and operation cost.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above examples are provided for further illustration of the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood as being within the protection scope of the present invention.

Claims

1. An electron accelerator ray shielding device comprises a scanning box (1) and a scanning coil (2), and is characterized in that: the scanning device is characterized by further comprising an outer support (3), wherein a fixed shielding chamber upper section (4) and a shielding chamber lower section (6) are sequentially connected to the outer support (3) in a stacking mode from top to bottom, a shielding chamber middle section (5) is arranged between the fixed shielding chamber upper section (4) and the shielding chamber lower section (6), and the scanning box (1) and the scanning coil (2) are fixedly connected into the fixed shielding chamber upper section (4); the upper section (4) of the fixed shielding chamber is fixedly connected to the outer bracket (3), and the middle section (5) of the shielding chamber and the lower section (6) of the shielding chamber are slidably connected to the outer bracket (3); a hydraulic cylinder (7) is connected to the lower part of the lower shield room section (6) on the outer support (3); both sides of the middle section (5) and the lower section (6) of the shielding chamber are connected with fixing blocks (51), and the outer bracket (3) is connected with a bolt mechanism corresponding to the fixing blocks (51); one side of the upper section (4) of the fixed shielding chamber is connected with a split door (41) and a detachable sealing plate (42), and the detachable sealing plate (42) is positioned below the split door (41).

2. An electron accelerator radiation shielding device according to claim 1, characterized in that: the detachable sealing plate (42) is detachably connected to the upper section (4) of the fixed shielding chamber through a screw; the split doors (41) are connected by a door bolt.

3. An electron accelerator radiation shielding device according to claim 2, characterized in that: the connecting surfaces of the upper section (4) of the fixed shielding chamber, the middle section (5) of the shielding chamber and the lower section (6) of the shielding chamber are all in a step shape, and the number of the step layers is more than three.

4. A radiation shielding device for an electron accelerator according to claim 3, wherein: the outer support (3) both sides are connected with slide rail (31) respectively, and the both sides of shielding room middle section (5) and shielding room hypomere (6) all are connected with slider (61), but slider (61) sliding connection is on slide rail (31).

5. An electron accelerator radiation shielding device according to claim 4, wherein: a slot (511) is arranged below the fixed block (51); the bolt mechanism comprises a connecting block (81) and a sliding pin (82), a sliding hole (811) is formed in the side face of the connecting block (81), and the sliding pin (82) can be connected in the sliding hole (811) in a sliding mode.

6. An electron accelerator radiation shielding device according to claim 5, wherein: the sliding hole (811) is arranged corresponding to the slot (511); the tail of the sliding pin (82) is provided with a pull ring hole (821), and the side surface of the connecting block (81) is connected with a locking screw (83).

7. An electron accelerator beam shielding apparatus as claimed in claim 1 or 6, wherein: supporting blocks (32) are arranged at four corners below the lower section (6) of the shielding chamber on the outer support (3).