CN104548369A - Servo motor driven safe radiation box - Google Patents
Servo motor driven safe radiation box Download PDFInfo
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- CN104548369A CN104548369A CN201410782956.1A CN201410782956A CN104548369A CN 104548369 A CN104548369 A CN 104548369A CN 201410782956 A CN201410782956 A CN 201410782956A CN 104548369 A CN104548369 A CN 104548369A
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- servomotor
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Abstract
The invention provides a servo motor driven safe radiation box. The servo motor driven safe radiation box comprises a lower packaged plate body and a radiation box body, which are fixedly connected, wherein a first cavity, a third cavity and a second cavity are sequentially communicated and formed inside the radiation box body; the first cavity and the second cavity are longitudinally arranged; one ends of the first cavity and the second cavity are communicated with the outside; the third cavity is transversely arranged; a fourth cavity is longitudinally formed in the lower packaged plate body; the fourth cavity and the first cavity are arranged on the same plumb line; the upper part of the fourth cavity is communicated with the third cavity through a second radiation hole, and the lower part of the fourth cavity is communicated with the outside. According to the servo motor driven safe radiation box disclosed by the invention, the radioactive source placement operation is simple before use, and the radioactive source can be firmly arranged; in the using process, the gear teeth of a driving wheel is coordinated with the gear teeth of a push rod, and the falling wedge structure at the lower part of the push rod is coordinated with the groove of the falling wedge bevel of a radiation opening/closing door, and a pressure spring is used, so that the flexible control of the radiotherapy state and the closing state can be realized, and the servo motor driven safe radiation box is outstanding in radiation protection.
Description
Technical field
The present invention relates to field of medical device, particularly a kind of driven by servomotor radiates box safely.
Background technology
According to China's epidemiology related data, malignant tumor rises year by year, becomes one of very large reason of China's death.Current treating malignant tumor means mainly comprise operative treatment, radiotherapy, chemotherapy and biological immune treatment etc.Further, because the tumor patient of about 70% needs radiotherapy, radiotherapy has become the Main Means for the treatment of malignant tumor.
Radiation produces gamma-rays by radiosiotope Co60 or Cs137 etc., and be a kind of High energy electromagnetic ripple, wavelength is very short, and penetration power is strong, and dose uniformity, has been widely used in the cold sterilizing process of malignant tumor radiotherapy and food, medicine and medical apparatus and instruments.
Now, mainly contain two kinds for radiotherapy, one adopts Co60 as radiation emission source, and the another kind of linear accelerator system that adopts is as radioactive source; The former is because single source intensity is weak, and equipment for want of safe and effective miniaturization core component and seem huge and not easily miniaturization, greatly affecting it applies; The latter is because technical sophistication degree is high, and price is very expensive, and application and maintenance cost very high, manufacturing technology difficulty very greatly, greatly constrains its range of application and has greatly increased the weight of patient economy burden.Therefore, develop a kind of volume little, control simple and convenient, manufacture simple, safe and reliable, production and application cost is low and use simple safe radiological unit, promotes that the application in the cold sterilizing of malignant tumor radiotherapy and food and medicine and medical apparatus and instruments such as Co60 or Cs137 has great importance.
Summary of the invention
For overcoming the above problems, the invention provides a kind of driven by servomotor and radiate box safely, adopt machinery and electric machine structure, processing technology is easy, and production cost is low, controls flexibly, application is simple and maintenance operation cost is extremely low, shielding property is strong, is suitable as the core component of the high Novel radioactive equipment of cost performance and cold sterilizer.
Driven by servomotor of the present invention radiates box safely, comprise the lower encapsulation plate body 2 and radiation carton and crate body 1 that are fixedly connected with, described radiation carton and crate body 1 inside is provided with the first cavity E1, the 3rd cavity E3 and the second cavity E2 that are communicated with successively, described first cavity E1 and the second cavity E2 longitudinally arranges and outside is led to, described 3rd cavity E3 horizontally set in one end; Described lower encapsulation plate body 2 is vertically arranged with the 4th cavity E4, and described 4th cavity E4 and described first cavity E1 is on same plumb line; Described 4th cavity E4 top is communicated with the 3rd cavity E3 by the second radiation hole 35, and outside is led in bottom;
Described first cavity E1 upper end is provided with the first cavity closing cock 13, described first cavity closing cock 13 is connected with compression spring 12, for closing the first cavity E1, described first cavity E1 bottom is communicated with the 3rd cavity E3 by the first radiation hole 14, and the first cavity E1 is inner for placing radioactive source 11;
Described second cavity E2 top is provided with the second cavity closing cock 24, in the middle part of push rod 21 or bottom is provided with a standing valve 22, described standing valve 22 and the second cavity E2 inwall slidingly contact, described standing valve 22 top is provided with compression spring 23, described push rod 21 is successively through the second cavity closing cock 24, compression spring 23, Falling Wedge is set to push rod 21 lower end described in standing valve 22, the position that described push rod 21 passes the second cavity closing cock 24 is provided with groove groove 27, described second cavity closing cock 24 is provided with servomotor 25, described servomotor 25 is with drivewheel 26 and normally open solenoid valve 26A, the groove of described drivewheel 26 matches with the groove groove 27 of push rod 21,
Radiation switch gate 31 is provided with in described 3rd cavity E3, described radiation switch gate 31 right-hand member is set to Falling Wedge inclined-plane, , described Falling Wedge inclined-plane is provided with groove along descent direction, the groove on described Falling Wedge inclined-plane matches with the Falling Wedge structure of described push rod 21 bottom, left end is connected with compression spring 34, described compression spring 34 other end is fixed on the 3rd cavity wall left side wall or radiation switch gate 31 left end, described radiation switch gate 31 lower edge is provided with positioned light source 33, when radiating switch gate 31 and being in closed state, described positioned light source 33 and first radiates hole 14, second radiation hole 35 is on same plumb line.
It is simple to operate that the present invention places radioactive source before use; radioactive source arranges firmly; in use; matched with the groove of push rod by the groove of drivewheel, compression spring, push rod bottom Falling Wedge structure and radiation switch gate Falling Wedge inclined-plane the structure such as to match; the flexible control and the power-off that achieve radiotherapy state and closed state protect radiation proof function automatically, and radiation protection is given prominence to, and adopt machinery and electric machine structure; processing technology is easy, and production cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that driven by servomotor of the present invention radiates safely box preferred embodiment cross-sectional view.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, those skilled in the art are obviously clear, the directional terminology such as " top ", " bottom ", " transverse direction ", " longitudinal direction ", " outside ", " inside ", " plumb line ", " left and right " in the present invention, just be convenient to by reference to the accompanying drawings write done description, can not limitation of the invention be considered as.
The invention provides a kind of driven by servomotor and radiate box safely, as preferred embodiment, as shown in Figure 1, comprise the lower encapsulation plate body 2 and radiation carton and crate body 1 that are fixedly connected with, described radiation carton and crate body 1 inside is provided with the first cavity E1, the 3rd cavity E3 and the second cavity E2 that are communicated with successively, described first cavity E1 and the second cavity E2 longitudinally arranges and outside is led to, described 3rd cavity E3 horizontally set in one end; Described lower encapsulation plate body 2 is vertically arranged with the 4th cavity E4, and described 4th cavity E4 and described first cavity E1 is on same plumb line; Described 4th cavity E4 top is communicated with the 3rd cavity E3 by the second radiation hole 35, and outside is led in described 4th cavity E4 bottom;
Preferably, in described lower encapsulation plate body 2 and radiation carton and crate body 1, comprise radiation proof material, such as, inner embed density large as materials such as cement, to gain in weight and stability.
Described first cavity E1 upper end is provided with the first cavity closing cock 13, described first cavity closing cock 13 is connected with compression spring 12, for closing the first cavity E1, described first cavity E1 bottom is communicated with the 3rd cavity E3 by the first radiation hole 14, and the first cavity E1 is inner for placing radioactive source 11;
Preferably, described first cavity E1 bottom with the first projection 15, for placing radioactive source 11.If do not have the first bulge-structure to want, radioactive source can be fixed on the first cavity wall, but it is also dangerous to be neither convenient for changing radioactive source.Not only being provided with the first projection can directly be placed in the first projection by radioactive source, be convenient for changing radioactive source but also safety.
Described second cavity E2 top is provided with the second cavity closing cock 24, in the middle part of described second cavity E2 or lower removable be provided with standing valve 22, described standing valve 22 and the second cavity E2 inwall slidingly contact, described standing valve 22 top is provided with compression spring 23, described push rod 21 is successively through the second cavity closing cock 24, compression spring 23 and standing valve 22, described push rod 21 lower end is set to Falling Wedge, the position that described push rod 21 passes the second cavity closing cock 24 is provided with groove groove 27, and (namely push rod 21 upper end is processed with a strip groove, in groove, reprocessing has groove, with prevent groove slide in closing cock 24 produce very large friction and affect push rod 21 move motility), described second cavity closing cock 24 is provided with servomotor 25, described servomotor 25 is with drivewheel 26 and normally open solenoid valve 26A, the groove of described drivewheel 26 matches with the groove groove 27 of push rod 21,
Preferably, described second cavity E2 bottom, with the second projection 28, is passed for making push rod 21 bottom and prevents push rod 21 double swerve, increasing stressed dynamics.If there is no the second projection 28, push rod 21 bottom is due to the elastic resistance of the spring 34 that is under pressure, make push rod 21 lower deformation, do not have the effect promoting radiation switch gate 31 and move to the left or to the right, second projection 28 serves spacing effect, push rod 21 can be made to run vertically, and movement effects is obvious to the left or to the right to make to promote radiation switch gate 31.
Radiation switch gate 31 is provided with in described 3rd cavity E3, described radiation switch gate 31 right-hand member is set to Falling Wedge inclined-plane, described Falling Wedge inclined-plane is provided with groove (not shown) along descent direction, the groove on described Falling Wedge inclined-plane matches with the Falling Wedge structure of described push rod 21 bottom, left end is connected with compression spring 34, described compression spring 34 other end is fixed on the 3rd cavity wall, described radiation switch gate 31 lower edge is provided with positioned light source 33, when radiating switch gate 31 and being in closed state, described positioned light source 33 and first radiates hole 14, second radiation hole 35 is on same plumb line,
Preferably, described radiation switch gate 31 bottom is with 4 rollers 32; Radiation switch gate 31 is moved left and right more flexible.
Preferably, described 4th cavity E4 bottom, with radioprotective lid 41, when equipment does not use, covers radioprotective lid 41, prevents radiation.
Driven by servomotor of the present invention radiates safely box before use, first to outward winding the first cavity closing cock 13 of the first cavity E1, radioactive source 11 is put into the first cavity E1, after screwing the first cavity closing cock 13, compression spring 12 one end connected with the first cavity closing cock 13 contacts with radioactive source 11, is fixed in the first cavity E1 by radioactive source 11 under compression spring 12 pressure.
Driven by servomotor of the present invention radiates safely box before use, radiation switch gate 31 is in closed state, now radiate hole 35 be on same plumb line because positioned light source 33 and first radiates hole 14, second, the positioning spot that can be sent by positioned light source 33 aims at patient's focus.
The present invention in use, servomotor 25 is driven to be rotated counterclockwise, drivewheel 26 drives push rod 21 to move upward, radiation switch gate 31 moves right under compression spring 34 acts on, until radiation switch gate 31 is opened (not blocking the second radiation hole 35) completely, then lock drivewheel 26 to normally open solenoid valve energising drived control normally open solenoid valve 26A, make safety radiation box be in radiation work state; When quitting work or power-off time, servomotor and normally open solenoid valve 26A are stopped power supply, normally open solenoid valve 26A unclamps locking drivewheel 26, servomotor is in relaxed state, push rod 21 moves downward under compression spring 23 elastic force drives, thus promote radiation switch gate 31 to left movement, cover block the second radiation hole 35 completely, prevent lonizing radiation from spilling.
It is simple to operate that the present invention places radioactive source before use, radioactive source arranges firmly, in use, matched with the groove of push rod by the groove of drivewheel, compression spring, the Falling Wedge structure of push rod bottom and the structure such as fit depressions on radiation switch gate Falling Wedge inclined-plane, achieve the flexible control of radiotherapy state and closed state, radiation protection is given prominence to.
The present invention adopts machinery and motor-driven structure, relative to prior art, control more flexible, radiation protection ability is stronger, and manufacture complexity lower, maintenance difficulties is less, application cost is lower, can greatly reduce precise radiotherapy system produce and operating cost, economics of underdevelopment and medium-developed country area be with a wide range of applications, there is higher potential economic benefit.
The present invention can be used as the core component of the high novel radiological installation of cost performance, thus research and develop new precise radiotherapy equipment and efficiently solve existing relevant device and manufacture complicated, maintenance difficulties is large, the problems such as application cost is high, greatly can reduce precise radiotherapy system to produce and operating cost, be with a wide range of applications in the countries and regions of economics of underdevelopment, simultaneously for the small-sized simple irradiation image equipment of the low maintenance of the application cost being easy to movement that developmental research is new, there is important economic benefit and social effect
Above illustrated embodiment; further detailed description has been carried out to the object, technical solutions and advantages of the present invention; be understood that; above illustrated embodiment is only the preferred embodiment of the present invention; not in order to limit the present invention; all any amendments made for the present invention within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. driven by servomotor radiates box safely, comprise the lower encapsulation plate body (2) and radiation carton and crate body (1) that are fixedly connected with, it is characterized in that: described radiation carton and crate body (1) inside is provided with the first cavity (E1), the 3rd cavity (E3) and the second cavity (E2) that are communicated with successively, described first cavity (E1) and the second cavity (E2) longitudinally arrange and outside is led to, described 3rd cavity (E3) horizontally set in one end; Described lower encapsulation plate body (2) is vertically arranged with the 4th cavity (E4), and described 4th cavity (E4) and described first cavity (E1) are on same plumb line; Described 4th cavity (E4) top is communicated with the 3rd cavity (E3) by the second radiation hole (35), and outside is led in bottom;
Described first cavity (E1) upper end is provided with the first cavity closing cock (13), described first cavity closing cock (13) is connected with compression spring (12), described first cavity (E1) bottom is communicated with the 3rd cavity (E3) by the first radiation hole (14), and the first cavity (E1) is inner for placing radioactive source (11);
Described second cavity (E2) top is provided with the second cavity closing cock (24), described second cavity (E2) middle part is movably set with standing valve (22), described standing valve (22) and the second cavity (E2) inwall slidingly contact, described standing valve (22) top is provided with compression spring (23), push rod (21) is successively through the second cavity closing cock (24), compression spring (23) and standing valve (22), described push rod (21) lower end is set to Falling Wedge, the position that described push rod (21) passes the second cavity closing cock (24) is provided with groove groove (27), described second cavity closing cock (24) is provided with servomotor (25), described servomotor (25) is with drivewheel (26) and normally open solenoid valve (26A), the groove of described drivewheel (26) matches with the groove groove (27) of push rod (21),
Radiation switch gate (31) is provided with in described 3rd cavity (E3), described radiation switch gate (31) right-hand member is set to Falling Wedge inclined-plane, described Falling Wedge inclined-plane is provided with groove along descent direction, the groove on described Falling Wedge inclined-plane matches with the Falling Wedge structure of described push rod (21) bottom, left end is connected with compression spring (34), described compression spring (34) other end is fixed on the 3rd cavity wall left side wall or radiation switch gate (31) left end, described radiation switch gate (31) lower edge is provided with positioned light source (33), when radiating switch gate (31) and being in closed state, described positioned light source (33) and first radiates hole (14), second radiation hole (35) is on same plumb line.
2. driven by servomotor radiates box safely according to claim 1, it is characterized in that: comprise radiation proof material in described lower encapsulation plate body (2) and radiation carton and crate body (1), described radiation proof material is cement.
3. driven by servomotor radiates box safely according to claim 1, it is characterized in that: described first cavity (E1) bottom with the first projection (15), for placing radioactive source (11).
4. driven by servomotor radiates box safely according to claim 1, it is characterized in that: described second cavity (E2) bottom, with the second projection (28), is passed for making push rod (21) bottom and prevents push rod (21) double swerve.
5. driven by servomotor radiates box safely according to claim 1, it is characterized in that: described radiation switch gate (31) bottom is with 4 rollers (32).
6. driven by servomotor radiates box safely according to claim 1, it is characterized in that: described 4th cavity (E4) bottom is with radioprotective lid (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410782956.1A CN104548369B (en) | 2014-12-16 | 2014-12-16 | Servo motor driven safe radiation box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410782956.1A CN104548369B (en) | 2014-12-16 | 2014-12-16 | Servo motor driven safe radiation box |
Publications (2)
| Publication Number | Publication Date |
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| CN104548369A true CN104548369A (en) | 2015-04-29 |
| CN104548369B CN104548369B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410782956.1A Expired - Fee Related CN104548369B (en) | 2014-12-16 | 2014-12-16 | Servo motor driven safe radiation box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147712A (en) * | 2021-11-29 | 2022-03-08 | 中国煤炭地质总局一二九勘探队 | Radioactive source remote control replacer |
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| CN103245679A (en) * | 2013-05-10 | 2013-08-14 | 中国原子能科学研究院 | Transmission source device |
| CN203965350U (en) * | 2014-06-23 | 2014-11-26 | 中国科学院等离子体物理研究所 | Neutron shield performance detecting system |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2225720Y (en) * | 1994-12-30 | 1996-04-24 | 周春生 | Ray source shielding room with mechanical interlock device |
| CN2722390Y (en) * | 2004-06-29 | 2005-08-31 | 杭州华源伽玛医疗设备投资有限公司 | Focusing and switching primary collimator of radiative device |
| CN1905080A (en) * | 2005-07-29 | 2007-01-31 | 清华同方威视技术股份有限公司 | Valve type radioactive source screening device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147712A (en) * | 2021-11-29 | 2022-03-08 | 中国煤炭地质总局一二九勘探队 | Radioactive source remote control replacer |
| CN114147712B (en) * | 2021-11-29 | 2023-12-05 | 中国煤炭地质总局一二九勘探队 | Remote control changer for radioactive source |
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| CN104548369B (en) | 2017-02-22 |
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Granted publication date: 20170222 Termination date: 20171216 |