CN210381425U - Beam shielding device for industrial electron accelerator - Google Patents
Beam shielding device for industrial electron accelerator Download PDFInfo
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- CN210381425U CN210381425U CN201921305888.4U CN201921305888U CN210381425U CN 210381425 U CN210381425 U CN 210381425U CN 201921305888 U CN201921305888 U CN 201921305888U CN 210381425 U CN210381425 U CN 210381425U
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Abstract
The utility model discloses a beam shielding device for an industrial electron accelerator, relating to the technology of industrial electron accelerators; the method is characterized in that: the travel control device comprises twelve parts, namely a main body bracket, a travel base, a travel guide rod, a travel transmission rod, a water absorber mounting seat, a water absorber, a motor case, a travel pull wire, a control box and the like; the stroke base is fixed on the upper edge of the main body bracket, the water absorber mounting seat passes through the stroke guide rod and the stroke transmission rod through a sliding sleeve and a screw sleeve structure, and the motor drives the stroke transmission rod to rotate through the coupler so as to move the water absorber; the travel pull wire transmits the travel information of the water absorber to the travel switch, so that the water absorber is reliably moved and positioned. The utility model has the advantages of it is following: the motor can be shielded, and the electric element can be arranged at a position with small electron beam radiation dose, so that the service life of the device is obviously prolonged; the beam current blocking device is easy to rotate to a far position, and sufficient maintenance space is reserved.
Description
Technical Field
The utility model relates to an industry electron accelerator technique, in particular to electron beam shielding technique.
Background
The industrial electron accelerator is used for irradiation processing of cargoes, and electron beams are emitted through the scanning box to scan moving cargoes on the conveying line, so that the cargoes obtain preset radiation dose. If the conveying line stops running due to sudden failure or the goods are blocked due to shape and displacement of the goods, the goods are subjected to excessive irradiation, damage, heating and even burning, and great safety risk is caused; moreover, the electron beam flow can cause certain damage to the conveyor line without cargo blocking in the working links of changing cargo radiation dose, debugging beam quality and the like. Therefore, beam blocking shielding is required at these links.
The existing beam blocking device, such as a swing type accelerator beam blocking device with the patent number of CN201710439026.X, uses power parts such as an electromagnetic valve and an air cylinder, and does not shield the power parts; in patent CN201220656703.6, "mobile beam current baffle device of industrial electron accelerator", the cylinder is used to drive the connecting rod and the rocker to move, and the cylinder is not shielded; the first disadvantage of the prior art is that under high radiation and ozone environment, the operation stability of devices such as air cylinders, electromagnetic valves and the like which are not effectively shielded is reduced, and the service life is shortened; the second drawback is that the cost, installation difficulty, failure frequency of the air compressor are increased; a third drawback is that the device is mounted immediately to one side of the scanning cartridge, hindering equipment maintenance.
Disclosure of Invention
The utility model aims to solve the technical problem that a beam shielding device for industrial electron accelerator is provided, the location is accurate, and the operation is stable, can increase of service life, and the scanning box is kept away from in the easy removal, does not hinder accelerating system, the scanning system maintenance of accelerator.
In order to achieve the above object, the technical solution of the present invention is to provide a beam shielding device for an industrial electron accelerator, which is characterized in that: the device comprises twelve parts, namely a main body bracket 1, a stroke base 2, a gear spring 3, a stroke guide rod 4, a stroke transmission rod 5, a water absorber mounting seat 6, a water absorber 7, a fastening bolt 8, a motor case 9, a stroke stay wire 10, a stay wire guide frame 11 and a control box 12; the main body bracket 1 is in a shape of a side-standing rectangular stainless steel plate and is used for mounting and bearing other parts, and fixing plates are arranged at two ends of the main body bracket and are fixed on a side wall or a corner wall of the conveying line; the stroke base 2 is fixed on the upper edge of the main body bracket 1; 4 gear springs 3 are respectively arranged at two ends of the stroke guide rod 4, and play roles of buffering and boosting the movement of the stroke base 2; the stroke guide rod 4 is 2 cylindrical stainless steels, and two ends of the stroke guide rod are clamped and fixed on the stroke base 2; the water absorber mounting seat 6 passes through the stroke guide rod 4 and the stroke transmission rod 5 through a sliding sleeve and a thread sleeve structure, and the stroke transmission rod 5 can drive the water absorber mounting seat 6 and the water absorber 7 to move when rotating; the water absorber 7 is fixed above the water absorber mounting seat 6 through a fastening bolt 8, and the water absorber 7 can be horizontally rotated by 90 degrees to vacate a maintenance space after the fastening bolt 8 is loosened; the motor case 9 is provided with a shielding lead plate, is fixed on the upper edge of the main body bracket 1 close to the right end of the stroke base 2 and is connected with the stroke transmission rod 5 through a coupler; the travel wire 10 is supported by a wire guide 11, and is connected to a travel switch for transmitting travel information of the water absorber 7 to a control box 12.
The stroke base 2 is made of rectangular stainless steel, a long shaft is parallel to the upper edge of the main body support 1, the left narrow edge and the right narrow edge are folded upwards, the top of the stroke base is respectively provided with a stainless steel pressing plate, 3 pairs of circular arcs capable of forming circular holes are uniformly arranged on the contact surface, the stroke guide rod 4 can be fixed through the pressing plates, and the stroke transmission rod 5 is supported and limited.
The stroke transmission rod 5 is cylindrical, the right end of the stroke transmission rod is connected with the motor through the coupler, the rod body penetrates through a pair of round holes in the middle of the water absorber mounting seat 6, trapezoidal threads are machined in one part of the rod body, the threaded part is matched with a thread sleeve fixed on the water absorber mounting seat 6 to rotate under the driving of the motor, and the water absorber mounting seat 6 is driven to reciprocate, so that the water absorber 7 is positioned right below the scanning box to block beams or is moved to one side of the scanning box; and a section of smooth rod body is arranged on each of two sides of the trapezoidal thread, and if a device for controlling the rotation of the motor fails, the motor drives the stroke transmission rod 5 to idle after the thread section passes through the thread sleeve of the water absorber mounting seat 6, so that damage accidents can not be caused.
The main body of the water absorber mounting seat 6 is made of square stainless steel, a limiting ring is welded on the main body, and a threaded hole is formed in the center of the water absorber mounting seat; the left edge and the right edge are respectively fixed with a downward convex stainless steel block, 3 pairs of round holes corresponding to the stroke base 2 are arranged, one of the holes in the middle is provided with a trapezoidal thread sleeve which is matched with the thread of the stroke transmission rod 5 to drive the water absorber mounting seat 6 to do reciprocating motion; the semicircular stopper ring is used to limit the range of the rotational movement of the water absorber 7.
The near side part of the water absorber 7 is a stainless steel support frame matched with the limiting ring of the water absorber mounting seat 6, the far side part of the water absorber is a rectangular absorber made of an aluminum alloy plate, a circulating water channel is arranged in the water absorber, two water pipe joints are output, and the energy of electron beams can be absorbed by water and converted into heat to be taken away under the water flowing state.
The stay wire guide frames 11 are fixed on the wall body of the building, and a plurality of stay wire guide frames can be installed according to the requirements of wall distance and corner guide, so that the control box 12 is installed at the position with small electron beam radiation dose.
The control box 12 is composed of a stainless steel box body, an internal frequency converter and a travel switch, is controlled by a main control console, outputs signals to control the positive rotation and the negative rotation of the motor, thereby realizing the reciprocating motion of the water absorber 7, and the travel switch receives feedback signals of the travel pull wire 10, so that the water absorber 7 can move and be positioned reliably.
The utility model has the advantages that: the device is convenient to move and block electron beam current, can shield the motor, can install the electric element at the position with small radiation dose of the electron beam, avoids the damage of radiation to the electric element and the electric element, and can obviously prolong the service life of the device; when the accelerator equipment is maintained, the beam current blocking device is easy to rotate to a far position, and a sufficient operation space is reserved.
Drawings
The technical solution of the present invention will be further explained in detail with reference to the accompanying drawings and the detailed description;
fig. 1 is a rear view of a beam shielding device;
FIG. 2 is a front view of a beam shielding device;
in the figure: 1. a main body support; 2. a stroke base; 3. a gear spring; 4. a stroke guide rod; 5. a travel transmission rod; 6. a water absorber mount; 7. a water absorber; 8. fastening a bolt; 9. a motor case; 10. a travel wire; 11. a wire pulling guide frame; 12. and a control box.
Detailed Description
And (3) mounting a beam shielding device: the main body bracket 1 is arranged on a building wall through fixing plates at two ends, and an upper plane is leveled, and the specific positioning is according to the position of a scanning box; mounting the main body part of the stroke base 2 on the main body bracket 1 by using bolts; assembling a gear spring 3, a stroke guide rod 4, a stroke transmission rod 5 and a water absorber mounting seat 6 together, and fastening the gear spring, the stroke guide rod, the stroke transmission rod and the water absorber mounting seat to a main body of the stroke base 2 by using a pressing plate and a bolt of the stroke base 2; the water absorber 7 is fixed on a limit ring of the water absorber mounting seat 6 through a fastening bolt 8; installing the motor case 9 on the main body bracket 1 by using bolts, and connecting the stroke transmission rod 5 with a transmission shaft of the motor case 9 by using a coupler; fixing the control box 12 to a wall surface where electron beam irradiation is small using bolts; the water absorber 7 is connected to a travel switch of a control box 12 by a travel wire 10, and the center portion is guided and supported by a wire guide 11.
The testing process comprises the following steps: electrifying the beam shielding device; the water absorber 7 is filled with water by using a stainless steel hose for standby; the main control console starts a forward or reverse switch, a signal starts a motor of the beam baffle device through a frequency converter, and the motor drives a stroke transmission rod 5 to rotate to drive a water absorber mounting seat 6 and a water absorber 7 mounted above the stroke transmission rod to move; adjusting a travel switch in the control box 12, adjusting the reciprocating range of the water absorber 7, and pushing the water absorber 7 to an accurate position according to the output position of the beam; the reciprocating speed of the water absorber 7 can be adjusted by adjusting the frequency output by the frequency converter in the control box 12; when the scanning box needs to be maintained, the fastening bolt 8 is loosened, and the water absorber 7 is rotated 90 degrees counterclockwise.
The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "near," "far," and the like herein indicate an orientation or positional relationship based on that shown in FIG. 1; the above detailed description is only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (6)
1. A beam shielding device for an industrial electron accelerator is characterized in that: the device comprises twelve parts, namely a main body bracket (1), a stroke base (2), a gear spring (3), a stroke guide rod (4), a stroke transmission rod (5), a water absorber mounting seat (6), a water absorber (7), a fastening bolt (8), an electric motor case (9), a stroke pull wire (10), a pull wire guide frame (11) and a control box (12); the main body bracket (1) is in a shape of a side-standing rectangular stainless steel plate, and fixing plates are arranged at two ends of the main body bracket; the stroke base (2) is fixed on the upper edge of the main body bracket (1); 4 gear springs (3) are respectively arranged at two ends of the stroke guide rod (4); the stroke guide rod (4) is 2 cylindrical stainless steels, and two ends of the stroke guide rod are clamped and fixed on the stroke base (2); the water absorber mounting seat (6) passes through the stroke guide rod (4) and the stroke transmission rod (5) through a sliding sleeve and a thread sleeve structure; the water absorber (7) is fixed above the water absorber mounting seat (6) through a fastening bolt (8), and the water absorber (7) can be horizontally rotated by 90 degrees after the fastening bolt (8) is loosened; the motor case (9) is provided with a shielding lead plate, the right end close to the stroke base (2) is fixed on the upper edge of the main body support (1), and is connected with the stroke transmission rod (5) through a coupler; the travel stay wire (10) is supported by the stay wire guide frame (11) and is connected with a travel switch which transmits the travel information of the water absorber (7) to the control box (12).
2. The beam current shielding device for an industrial electron accelerator according to claim 1, wherein: the stroke base (2) is made of rectangular stainless steel, a long shaft is parallel to the upper edge of the main body support (1), the left narrow edge and the right narrow edge are vertically raised upwards, the top of the stroke base is provided with a stainless steel pressing plate respectively, and three pairs of circular arcs capable of forming circular holes are uniformly arranged on a contact surface.
3. The beam current shielding device for an industrial electron accelerator according to claim 1, wherein: the stroke transmission rod (5) is cylindrical, the right end of the stroke transmission rod is connected with the motor through a coupler, the rod body penetrates through a pair of round holes in the middle of the water absorber mounting seat (6), and trapezoidal threads are machined on part of the rod body; two sides of the trapezoidal thread are provided with a section of smooth rod body.
4. The beam current shielding device for an industrial electron accelerator according to claim 1, wherein: the main body of the water absorber mounting seat (6) is made of square stainless steel, a limiting ring is welded on the main body, and a threaded hole is formed in the center of the water absorber mounting seat; the left edge and the right edge are respectively fixed with a stainless steel block protruding downwards, three pairs of round holes corresponding to the stroke base (2) are arranged, and a trapezoidal thread screw sleeve is arranged in one middle hole.
5. The beam current shielding device for an industrial electron accelerator according to claim 1, wherein: the near side part of the water absorber (7) is a stainless steel support frame matched with a water absorber mounting seat (6) limiting ring, the far side part of the water absorber is a rectangular absorber made of aluminum alloy plates, a circulating water channel is arranged in the water absorber, and two water pipe joints are output.
6. The beam current shielding device for an industrial electron accelerator according to claim 1, wherein: the control box (12) is composed of a stainless steel box body, a frequency converter and a travel switch, wherein the frequency converter and the travel switch are arranged in the stainless steel box body, the control box is controlled by a main control console, output signals control the positive rotation and the negative rotation of the motor, and the travel switch receives feedback signals of the travel pull wire (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921305888.4U CN210381425U (en) | 2019-08-13 | 2019-08-13 | Beam shielding device for industrial electron accelerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921305888.4U CN210381425U (en) | 2019-08-13 | 2019-08-13 | Beam shielding device for industrial electron accelerator |
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| CN210381425U true CN210381425U (en) | 2020-04-21 |
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| CN201921305888.4U Active CN210381425U (en) | 2019-08-13 | 2019-08-13 | Beam shielding device for industrial electron accelerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110290629A (en) * | 2019-08-13 | 2019-09-27 | 山东蓝孚高能物理技术股份有限公司 | A kind of industrial electronic accelerator line screening arrangement |
-
2019
- 2019-08-13 CN CN201921305888.4U patent/CN210381425U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110290629A (en) * | 2019-08-13 | 2019-09-27 | 山东蓝孚高能物理技术股份有限公司 | A kind of industrial electronic accelerator line screening arrangement |
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