CN112040628A

CN112040628A - Irradiation electron linear accelerator

Info

Publication number: CN112040628A
Application number: CN202010969076.0A
Authority: CN
Inventors: 周红建; 李俊霞; 凡天配; 李�瑞; 姚俊营; 周子琰; 朱彤; 连梦圆
Original assignee: Zhengzhou Handou Pharmaceutical Group Co ltd
Current assignee: Zhengzhou Handou Pharmaceutical Group Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2020-12-04
Anticipated expiration: 2040-09-15
Also published as: CN112040628B

Abstract

The invention discloses an irradiation electron linear accelerator, relates to the technical field of irradiation processing, and aims to solve the problem that electron beam deviation is easy to occur when a product is irradiated because the existing irradiation accelerator needs to be properly matched and adjusted according to the size of the irradiated product in the using process. The accelerator is characterized in that a belt conveyor is arranged below the accelerator main body, extension baffles are arranged at two ends of the belt conveyor, auxiliary wheels and push-pull handles are arranged on two sides of each extension baffle respectively, peripheral frame plates are arranged on two sides of the accelerator main body, movable inner grooves are formed in the peripheral frame plates, synchronizing blocks are arranged in the movable inner grooves, roller supports are arranged outside the auxiliary wheels, connecting slots are formed in inner walls of two sides of each roller support and are arranged in an integrated mode with the roller supports, bearings are arranged in the connecting slots, and the bearings are fixedly connected with the connecting slots through screws.

Description

Irradiation electron linear accelerator

Technical Field

The invention relates to the technical field of irradiation processing, in particular to an irradiation electron linear accelerator.

Background

The irradiation processing technology is to treat the processed object by using the physical effect, chemical effect and biological effect generated by the interaction of nuclear radiation or ray radiation and substances so as to achieve the predetermined target, such as material modification, disinfection and sterilization, biological variation and the like. The irradiation processing technology is popular with many industries due to its advantages of wide application, low energy consumption, no pollution, high technical added value, etc., and is known as the 'green processing industry', and the irradiation accelerator can make some substances generate physical, chemical and biological effects by the irradiation of high-energy electron beams generated by the electron accelerator, and can effectively kill germs, viruses and pests. The technology is widely applied to material modification, new material manufacturing, environmental protection, processing production, sterilization and disinfection of medical and sanitary products, food sterilization and fresh-keeping and the like in industrial production, and a high-energy electron linear accelerator technology is utilized to carry out irradiation processing projects, so that the technology can be applied to the aspects of chemical products, agricultural product processing and medical industry.

The existing irradiation accelerator needs to be properly matched and adjusted according to the size of an irradiated product in the using process, so that the problem that electron beams are easy to shift when the product is irradiated is caused, the irradiation scanning efficiency is influenced, and therefore, the irradiation electron linear accelerator is provided.

Disclosure of Invention

The invention aims to provide an irradiation electron linear accelerator, which aims to solve the problem that the prior irradiation accelerator in the background art needs to be properly matched and adjusted according to the size of an irradiated product in the using process, so that electron beam deviation is easy to occur when the product is irradiated.

In order to achieve the purpose, the invention provides the following technical scheme: the irradiation electron linear accelerator comprises an accelerator main body, wherein a belt conveyor is arranged below the accelerator main body, extension baffles are arranged at two ends of the belt conveyor, auxiliary wheels and push-pull handles are respectively arranged on two sides of each extension baffle, peripheral frame plates are arranged on two sides of the accelerator main body, movable inner grooves are formed in the peripheral frame plates, and synchronizing blocks are arranged in the movable inner grooves.

Preferably, the outside of auxiliary wheel is provided with the gyro wheel support, all be provided with connection slot on the both sides inner wall of gyro wheel support, and connection slot and gyro wheel support integrated into one piece set up, connection slot's inside is provided with the bearing, and the bearing passes through screw and connection slot fixed connection, all be provided with the driving wheel axle on the both sides outer wall of auxiliary wheel, and driving wheel axle and auxiliary wheel integrated into one piece set up, the auxiliary wheel passes through the driving wheel axle and connects the inside bearing swing joint of slot, the one end of gyro wheel support is provided with the movable rod, and the movable rod is located the inside of extending the baffle.

Preferably, a movable channel is arranged inside the extending baffle and is integrally formed with the extending baffle, one end of the movable rod penetrates through the movable channel and extends to the outside of the extending baffle, a push-pull handle is arranged at the extending end of the movable rod and is integrally formed with the movable rod, and a limiting end ring is arranged on the outer wall of the movable rod.

Preferably, the outer wall of the limiting end ring is provided with a detachable pull handle, the detachable pull handle and the limiting end ring are integrally formed, the limiting end ring is internally provided with an embedded clamping groove, the embedded clamping groove and the limiting end ring are integrally formed, the embedded clamping groove is internally provided with an installation magnet, the installation magnet and the embedded clamping groove are integrally formed, the limiting end ring is connected with the movable rod in an adsorption mode through the installation magnet, and the limiting end ring is located at two ends of the movable channel respectively.

Preferably, flank supporting plates are arranged on the outer walls of the two sides of the accelerator main body and fixedly connected with the accelerator main body through screws, a transmission cross rod is arranged on the outer wall of each flank supporting plate, two ends of the transmission cross rod are respectively welded with the flank supporting plates and the synchronizing block, connecting sliding blocks are arranged at the upper end and the lower end of each synchronizing block and integrally formed with the synchronizing block, and the synchronizing block is connected with the movable inner groove in a sliding mode through the connecting sliding blocks.

Preferably, the outer wall of one side of the synchronizing block is provided with two adjusting pull rods, the two adjusting pull rods are welded with the outer wall of the synchronizing block, the two adjusting pull rods are located outside the synchronizing block, and the two synchronizing blocks are symmetrically distributed around the vertical center line of the adjusting pull rods.

Preferably, be provided with the supporting seat on one side outer wall of peripheral frame board, and supporting seat and peripheral frame board welded connection, the upper end of supporting seat is provided with pulse transformer, pulse transformer's upper end is provided with the klystron, and klystron and accelerator main part electric connection.

Preferably, a cold trap is arranged in the accelerator main body, a high-frequency transformer is arranged at the lower end of the cold trap, an electron gun is arranged at the lower end of the high-frequency transformer, a rectification voltage-multiplying mechanism is arranged at the lower end of the electron gun, high-frequency electrode plates are arranged on the outer walls of the two sides of the rectification voltage-multiplying mechanism, and an accelerating tube is arranged in the rectification voltage-multiplying mechanism.

Preferably, the lower extreme of accelerator main part is provided with vacuum mechanism, vacuum mechanism's bottom is provided with scanning magnet, scanning magnet's lower extreme is provided with the scanning box, and scanning box and scanning magnet integrated into one piece set up, be provided with the irradiation product on band conveyer's the conveyer belt, and the irradiation product is located the below of scanning box.

Preferably, the lower ends of the two peripheral frame plates are provided with two bearing feet, the bearing feet are connected with the lower ends of the peripheral frame plates in a welding mode, and the belt conveyor is located among the four bearing feet.

Compared with the prior art, the invention has the beneficial effects that:

1. the auxiliary wheels on two sides can be adjusted to the positions in rolling contact with the outer walls of the irradiation products according to the sizes of the irradiation products, and the outer walls on two sides can roll in contact with the auxiliary wheels when the irradiation products advance on the belt conveyor, so that the problem that the irradiation scanning accuracy is affected by the tracks of the irradiation products is solved, and the problem that electron beam deviation is easy to occur when the products are irradiated due to the fact that the existing irradiation accelerator needs to be properly matched and adjusted according to the sizes of the irradiation products in the using process is solved.

2. The accelerator main body is driven to adjust the position on the peripheral frame plate by virtue of the adjusting pull rod through the movement of the synchronizing block inside the movable inner groove, and the synchronizing block is connected with the movable inner groove in a sliding manner through the connecting sliding blocks at two ends so as to help the scanning box at the lower end of the accelerator main body to perform irradiation scanning work on an irradiation product more accurately.

3. The movable rod is driven to pull and move in the movable channel through the operation of the push-pull handle, so that the purpose of freely matching the position of the irradiation product size adjusting auxiliary wheel is achieved, the adsorption of the magnet and the movable rod is installed after the adjustment is completed, the two ends of the movable channel are installed with the limiting end ring, the purpose of limiting the adjusting position is achieved, and the problem that the movable rod displaces is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the belt conveyor of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

FIG. 4 is a schematic view of a stop collar structure of the present invention;

FIG. 5 is a schematic view of the internal structure of the peripheral frame plate of the present invention;

FIG. 6 is a schematic diagram of the overall workflow of the present invention:

in the figure: 1. an accelerator main body; 2. a side wing support plate; 3. a peripheral frame plate; 4. a drive rail; 5. cold trap; 6. a high-frequency transformer; 7. a high-frequency electrode plate; 8. a rectification voltage-multiplying mechanism; 9. an electron gun; 10. an accelerating tube; 11. a vacuum mechanism; 12. a scanning magnet; 13. a scanning box; 14. a supporting seat; 15. a pulse transformer; 16. a klystron; 17. a load-bearing footing; 18. a belt conveyor; 19. irradiating the product; 20. an extension baffle; 21. an auxiliary wheel; 22. a push-pull handle; 23. a roller bracket; 24. connecting the slots; 25. a bearing; 26. a drive axle; 27. a movable channel; 28. a movable rod; 29. a limiting end ring; 30. a card slot is embedded; 31. mounting a magnet; 32. disassembling the pull handle; 33. a movable inner groove; 34. a synchronization block; 35. connecting the sliding block; 36. and adjusting the pull rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, an embodiment of the present invention is shown: the irradiation electron linear accelerator comprises an accelerator main body 1, a belt conveyor 18 is arranged below the accelerator main body 1, extension baffles 20 are arranged at two ends of the belt conveyor 18, auxiliary wheels 21 and a push-pull handle 22 are respectively arranged at two sides of each extension baffle 20, peripheral frame plates 3 are arranged at two sides of the accelerator main body 1, movable inner grooves 33 are arranged inside the peripheral frame plates 3, and synchronizing blocks 34 are arranged inside the movable inner grooves 33.

Further, a roller bracket 23 is provided outside the auxiliary wheel 21, connection slots 24 are provided on both side inner walls of the roller bracket 23, and the connecting slot 24 is integrally formed with the roller bracket 23, the connecting slot 24 is internally provided with a bearing 25, and the bearing 25 is fixedly connected with the connecting slot 24 through a screw, the outer walls of the two sides of the auxiliary wheel 21 are provided with a transmission wheel shaft 26, the transmission wheel shaft 26 and the auxiliary wheel 21 are integrally formed, the auxiliary wheel 21 is movably connected with the bearing 25 inside the connecting slot 24 through the transmission wheel shaft 26, one end of the roller bracket 23 is provided with a movable rod 28, and the movable rod 28 is located inside the extension baffle 20, the roller bracket 23 arranged outside the auxiliary wheel 21 plays a role of bearing the auxiliary wheel 21, and the connecting slots 24 arranged on the inner walls of the two sides of the roller bracket 23 play a role of facilitating the movable connection of the transmission wheel shaft 26 and the roller bracket 23.

Further, the inside of extending baffle 20 is provided with movable passage 27, and movable passage 27 sets up with extending baffle 20 integrated into one piece, movable rod 28's one end runs through movable passage 27 and extends to the outside of extending baffle 20, the extension of movable rod 28 is served and is provided with push-and-pull handle 22, and push-and-pull handle 22 sets up with movable rod 28 integrated into one piece, install spacing end ring 29 on the outer wall of movable rod 28, the movable passage 27 that extends the inside setting of baffle 20 plays the effect that the movable rod 28 of being convenient for carries out the pull activity.

Further, be provided with on the outer wall of spacing end ring 29 and dismantle and draw handle 32, and dismantle and draw handle 32 and spacing end ring 29 integrated into one piece setting, the inside of spacing end ring 29 is provided with embedded draw-in groove 30, and embedded draw-in groove 30 and spacing end ring 29 integrated into one piece setting, the inside of embedded draw-in groove 30 is provided with installation magnet 31, and installation magnet 31 and embedded draw-in groove 30 integrated into one piece setting, spacing end ring 29 is connected with the adsorption of movable rod 28 through installation magnet 31, and spacing end ring 29 is located the both ends of movable channel 27 respectively, the dismantlement that sets up on the outer wall of spacing end ring 29 draws handle 32 to play the effect of being convenient for the dismouting of spacing end ring 29, the embedded draw-in groove 30 of the inside setting of spacing end ring 29.

Further, all be provided with flank extension board 2 on the both sides outer wall of accelerator main part 1, and flank extension board 2 passes through screw fixed connection with accelerator main part 1, be provided with transmission horizontal pole 4 on flank extension board 2's the outer wall, and the both ends of transmission horizontal pole 4 respectively with flank extension board 2 and synchronous block 34 welded connection, synchronous block 34's upper end and lower extreme all are provided with link block 35, and link block 35 and synchronous block 34 integrated into one piece set up, synchronous block 34 passes through link block 35 and movable inside groove 33 sliding connection, flank extension board 2 that all set up on accelerator main part 1's the both sides outer wall plays the effect that supports accelerator main part 1, transmission horizontal pole 4 that sets up on flank extension board 2's the outer wall plays the effect that is convenient for drive accelerator main part 1 regulation of activity.

Further, two adjusting pull rods 36 are arranged on the outer wall of one side of the synchronizing block 34, the two adjusting pull rods 36 are both connected with the outer wall of the synchronizing block 34 in a welding mode, the two adjusting pull rods 36 are located outside the synchronizing block 34, the two synchronizing blocks 34 are symmetrically distributed around the vertical center line of the adjusting pull rods 36, and the two adjusting pull rods 36 arranged on the outer wall of one side of the synchronizing block 34 play a role in conveniently pulling the adjusting pull rods 36.

Further, a supporting seat 14 is arranged on the outer wall of one side of the peripheral frame plate 3, the supporting seat 14 is connected with the peripheral frame plate 3 in a welding mode, a pulse transformer 15 is arranged at the upper end of the supporting seat 14, a klystron 16 is arranged at the upper end of the pulse transformer 15, the klystron 16 is electrically connected with the accelerator main body 1, and the supporting seat 14 arranged on the outer wall of one side of the peripheral frame plate 3 plays a role in supporting the pulse transformer 15.

Further, a cold trap 5 is arranged inside the accelerator main body 1, a high-frequency transformer 6 is arranged at the lower end of the cold trap 5, an electron gun 9 is arranged at the lower end of the high-frequency transformer 6, a rectifying voltage-multiplying mechanism 8 is arranged at the lower end of the electron gun 9, high-frequency electrode plates 7 are arranged on the outer walls of the two sides of the rectifying voltage-multiplying mechanism 8, an accelerating tube 10 is arranged inside the rectifying voltage-multiplying mechanism 8, and the electron gun 9 arranged at the lower end of the high-frequency transformer 6 plays a role in releasing irradiation electron beams.

Further, the lower extreme of accelerator main part 1 is provided with vacuum mechanism 11, the bottom of vacuum mechanism 11 is provided with scanning magnet 12, the lower extreme of scanning magnet 12 is provided with scanning box 13, and scanning box 13 sets up with scanning magnet 12 integrated into one piece, be provided with irradiation product 19 on the conveyer belt of band conveyer 18, and irradiation product 19 is located the below of scanning box 13, vacuum mechanism 11 that the lower extreme of accelerator main part 1 set up plays the effect of evacuation, scanning box 13 that the lower extreme of scanning magnet 12 set up plays the effect of disinfecting to irradiation product 19 scanning.

Further, the lower extreme of two peripheral frame boards 3 all is provided with two bearing footing 17, and bearing footing 17 and peripheral frame board 3's lower extreme welded connection, band conveyer 18 is located between four bearing footing 17, and two bearing footing 17 that the lower extreme of two peripheral frame boards 3 all set up play the effect of supporting bearing peripheral frame board 3.

The working principle is as follows: when in use, the irradiation product 19 is placed on the conveying belt of the belt conveyor 18, then the auxiliary wheels 21 at two sides are adjusted to the position in rolling contact with the outer wall of the irradiation product 19 according to the size of the irradiation product 19, the movable rod 28 is driven to perform drawing movement in the movable channel 27 by operating the push-pull handle 22, so that the purpose of freely matching the position of the auxiliary wheels 21 for adjusting the size of the irradiation product 19 is achieved, after the adjustment is completed, the limit end rings 29 are installed at two ends of the movable channel 27 by the adsorption of the installation magnets 31 and the movable rod 28, the purpose of limiting the adjustment position is achieved, the problem that the movable rod 28 is displaced is avoided, when the irradiation product 19 travels on the belt conveyor 18, the outer walls at two sides can contact and roll with the auxiliary wheels 21, so that the problem that the irradiation scanning accuracy is influenced by the track generated by the irradiation product 19 is avoided, and the movement of the synchronous blocks 34 in the movable inner groove, the accelerator main body 1 is driven by the adjusting pull rod 36 to adjust the position on the peripheral frame plate 3, and the synchronous block 34 is connected with the movable inner groove 33 in a sliding manner through the connecting slide blocks 35 at the two ends, so that the scanning box 13 at the lower end of the accelerator main body 1 can perform irradiation scanning operation on the irradiation product 19 more accurately, and the adjustment and use operation of the irradiation electron linear accelerator are completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Irradiation electron linear accelerator, including accelerator body (1), its characterized in that: the accelerator is characterized in that a belt conveyor (18) is arranged below the accelerator main body (1), extension baffle plates (20) are arranged at two ends of the belt conveyor (18), auxiliary wheels (21) and push-pull handles (22) are respectively arranged on two sides of the extension baffle plates (20), peripheral frame plates (3) are arranged on two sides of the accelerator main body (1), movable inner grooves (33) are formed in the peripheral frame plates (3), and synchronizing blocks (34) are arranged in the movable inner grooves (33).

2. The irradiating electron linear accelerator according to claim 1, wherein: the outside of auxiliary wheel (21) is provided with gyro wheel support (23), all be provided with connection slot (24) on the both sides inner wall of gyro wheel support (23), and connection slot (24) and gyro wheel support (23) integrated into one piece set up, the inside of connection slot (24) is provided with bearing (25), and bearing (25) pass through screw and connection slot (24) fixed connection, all be provided with driving wheel axle (26) on the both sides outer wall of auxiliary wheel (21), and driving wheel axle (26) and auxiliary wheel (21) integrated into one piece set up, auxiliary wheel (21) pass through driving wheel axle (26) and the inside bearing (25) swing joint of connection slot (24), the one end of gyro wheel support (23) is provided with movable rod (28), and movable rod (28) are located the inside of extending baffle (20).

3. The irradiating electron linear accelerator according to claim 2, wherein: the extension baffle plate is characterized in that a movable channel (27) is arranged inside the extension baffle plate (20), the movable channel (27) and the extension baffle plate (20) are integrally formed, one end of a movable rod (28) penetrates through the movable channel (27) and extends to the outside of the extension baffle plate (20), a push-pull handle (22) is arranged at the extension end of the movable rod (28), the push-pull handle (22) and the movable rod (28) are integrally formed, and a limit end ring (29) is arranged on the outer wall of the movable rod (28).

4. The irradiating electron linear accelerator according to claim 3, wherein: be provided with on the outer wall of spacing end ring (29) and dismantle and draw handle (32), and dismantle and draw handle (32) and spacing end ring (29) integrated into one piece setting, the inside of spacing end ring (29) is provided with embedded draw-in groove (30), and embedded draw-in groove (30) and spacing end ring (29) integrated into one piece setting, the inside of embedded draw-in groove (30) is provided with installation magnet (31), and installation magnet (31) and embedded draw-in groove (30) integrated into one piece setting, spacing end ring (29) are connected through installation magnet (31) and movable rod (28) absorption, and spacing end ring (29) are located the both ends of activity passageway (27) respectively.

5. The irradiating electron linear accelerator according to claim 1, wherein: the accelerator is characterized in that side wing support plates (2) are arranged on outer walls of two sides of the accelerator main body (1), the side wing support plates (2) are fixedly connected with the accelerator main body (1) through screws, a transmission cross rod (4) is arranged on the outer walls of the side wing support plates (2), two ends of the transmission cross rod (4) are respectively connected with the side wing support plates (2) and a synchronizing block (34) in a welding mode, connecting sliders (35) are arranged at the upper end and the lower end of the synchronizing block (34), the connecting sliders (35) and the synchronizing block (34) are integrally formed, and the synchronizing block (34) is connected with a movable inner groove (33) in a sliding mode through the connecting sliders (35).

6. The irradiating electron linear accelerator according to claim 5, wherein: the outer wall of one side of the synchronous block (34) is provided with two adjusting pull rods (36), the two adjusting pull rods (36) are connected with the outer wall of the synchronous block (34) in a welding mode, the two adjusting pull rods (36) are located outside the synchronous block (34), and the two synchronous blocks (34) are symmetrically distributed around the vertical center line of the adjusting pull rods (36).

7. The irradiating electron linear accelerator according to claim 1, wherein: the accelerator is characterized in that a supporting seat (14) is arranged on the outer wall of one side of the peripheral frame plate (3), the supporting seat (14) is connected with the peripheral frame plate (3) in a welding mode, a pulse transformer (15) is arranged at the upper end of the supporting seat (14), a klystron (16) is arranged at the upper end of the pulse transformer (15), and the klystron (16) is electrically connected with the accelerator main body (1).

8. The irradiating electron linear accelerator according to claim 1, wherein: the accelerator is characterized in that a cold trap (5) is arranged inside the accelerator main body (1), a high-frequency transformer (6) is arranged at the lower end of the cold trap (5), an electron gun (9) is arranged at the lower end of the high-frequency transformer (6), a rectification voltage doubling mechanism (8) is arranged at the lower end of the electron gun (9), high-frequency electrode plates (7) are arranged on the outer walls of the two sides of the rectification voltage doubling mechanism (8), and an accelerating tube (10) is arranged inside the rectification voltage doubling mechanism (8).

9. The irradiating electron linear accelerator according to claim 1, wherein: the lower extreme of accelerator main part (1) is provided with vacuum mechanism (11), the bottom of vacuum mechanism (11) is provided with scanning magnet (12), the lower extreme of scanning magnet (12) is provided with scanning box (13), and scanning box (13) and scanning magnet (12) integrated into one piece set up, be provided with irradiation product (19) on the conveyer belt of band conveyer (18), and irradiation product (19) are located the below of scanning box (13).

10. The irradiating electron linear accelerator according to claim 1, wherein: the lower ends of the two peripheral frame plates (3) are provided with two bearing feet (17), the bearing feet (17) are connected with the lower ends of the peripheral frame plates (3) in a welding mode, and the belt conveyor (18) is located between the four bearing feet (17).