CN2850641Y - Shield door device of radiotherapy system - Google Patents
Shield door device of radiotherapy system Download PDFInfo
- Publication number
- CN2850641Y CN2850641Y CN 200520119824 CN200520119824U CN2850641Y CN 2850641 Y CN2850641 Y CN 2850641Y CN 200520119824 CN200520119824 CN 200520119824 CN 200520119824 U CN200520119824 U CN 200520119824U CN 2850641 Y CN2850641 Y CN 2850641Y
- Authority
- CN
- China
- Prior art keywords
- shield door
- door
- radiotherapy system
- shield
- counterweight
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a shield door device of a radiotherapy system, which comprises a shield door (2) and a drive mechanism, wherein the shield door (2) is positioned on a shield body (1) of the radiotherapy system, and the drive mechanism positioned above the shield door (2) comprises an electric machine (11), a gear box (12) of a worm and gear and a transmission rod (15). The drive mechanism is connected with the shield door (2) through the transmission rod (15), the shield door (2) is provided with a cylindrical balance weight (3), and the shield door (2) is connected with one end or two ends of the balance weight (3) through a chain or a wire cable (5) and is driven by the drive mechanism to do lifting motion. A transmission chain of a drive system provided by the utility model is short, and the shield door device of a radiotherapy system has the advantages that parts are less, structure is simple and manufacture cost is reduced.
Description
Technical field
This utility model relates to a kind of radiating medical equipment, relates in particular to a kind of radiotherapy screening arrangement that is used for the gamma ray rotating focus.
Background technology
The gamma ray radiotherapy system adopts cobalt-60 as radioactive source; when using radiotherapy system to carry out radiotherapy; make radioactive source beam rotating focus fine jade patient's Yu focus; and turn round irradiation; near the rotation accumulation lesion tissue is subjected to the irradiation of maximal dose; health tissues is subjected to instantaneous; the irradiation of tolerance dose; thereby kill focus; protect perilesional health tissues; reach radiocurable purpose; when radiotherapy system is in non-therapeutic state; must shield the gamma ray that cobalt-60 radioactive source discharges, guarantee that the environment around the radiotherapy system is a safe condition.
The Chinese patent publication number is the patent of CN 2533895, a kind of lonizing radiation shield door is disclosed, this device comprises: left and right shield door, line slideway, drive system, described drive system is made of the motor, worm-and-wheel gear, bevel gear mechanism and the pinion and rack that link to each other successively, and drives the folding of shield door straight line.Above-mentioned lonizing radiation shield door, the driving-chain of drive system are long, part is many, complex structure, cost of manufacture height.
The utility model content
The purpose of this utility model provides a kind of door apparatus of radiotherapy system, and its technical problem that will solve is to shorten driving-chain, simplified structure, the reduction cost of manufacture of drive system.
For achieving the above object this utility model by the following technical solutions: a kind of door apparatus of radiotherapy system, it comprises: shield door, driving mechanism, described shield door is positioned on the shield of radiotherapy system, driving mechanism is connected with shield door, shield door is provided with counterweight, and shield door and counterweight thereof drive elevating movement by driving mechanism.
Shield door is provided with the stairstepping surface, and the faying face on this stairstepping surface and the shield matches, and the shield door both sides are provided with two guide posts, and guide post is symmetrically distributed with respect to the shield door center of gravity.
The driving mechanism that is positioned at the top of shield door comprises: motor, snail opinion worm mechanism, drive link; Driving mechanism is connected with shield door by drive link, and the center of gravity of drive link center and shield door matches.
Shield door is connected by chain or steel wire rope with the one or both ends of cylindrical counterweight.
In this utility model, by motor-driven snail opinion worm screw and drive link, drive the shield door elevating movement, shortened the driving-chain that shield door drives, the guide post of shield door both sides, only play the guiding role, do not need to bear weight and torque thereof, thereby simplify guide frame, reduce cost of manufacture, the cylindrical counterweight that is complementary with shield door, the rotary inertia of two orthogonal directions is identical, can not occur the phenomenon of lateral tilt in the shield door lifting process, guarantees that the shield door elevating movement is steady, smooth and easy.
Description of drawings
Fig. 1 is this utility model first embodiment overall structure sketch map.
Fig. 2 is this utility model first embodiment overall structure front view.
Fig. 3 is this utility model second embodiment overall structure sketch map.
Fig. 4 is a shield structural representation of the present utility model.
Fig. 5 is a shield door structural representation of the present utility model.
1. shields among the figure, 2. shield door, 3. counterweight, 4. base, 5. chain or steel wire rope, 11. motors, 12. worm and gear gear-boxes, 13. handwheels, 14. guide posts, 15. drive links, 20. shield door cover plates.
The specific embodiment
Embodiment is described in further detail this utility model below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, in first embodiment of the present utility model, the door apparatus of radiotherapy system comprises: shield door 2, driving mechanism, described shield door 2 is positioned on the shield 1 of radiotherapy system, and the driving mechanism that is located at the top of shield door 2 comprises: motor 11, snail opinion worm tooth roller box 12, drive link 15; Driving mechanism is connected with shield door 2 by drive link 15, the central authorities of shield door 2 are passed in the axle center of drive link 15, match with the center of gravity of shield door 2, shield door 2 both sides are provided with two guide posts 14, guide post 14 is symmetrically distributed with respect to shield door 2 centers of gravity, is provided with base for supporting 4 under the shield 1, and shield door 2 belows are provided with cylindrical counterweight 3, this counterweight 3 is passed base 4 along axis horizontal, and its two ends are connected with shield door 2 two ends by chain or steel wire rope 5; The end of worm screw in motor 11 in the driving mechanism and the worm and gear gear-box 12 is connected, handwheel 13 is connected the other end of worm screw by shaft coupling, the worm gear central authorities that are meshed with worm screw are provided with the trapezoidal thread hole, this screwed hole matches with drive link 15 trapezoidal thread outward, drive link 15 is vertically connected on the shield door 2, motor 11 drives worm screw, worm gear, makes drive link 15 drive shield door 2 and does elevating movement.
As shown in Figure 4, shield 1 is rectangular, be provided with in the shield 1 to load and radiate the cavity of casket in a steady stream, the exit of cavity can hold shield door 2, shield 1 has three vertical stairstepping faying faces, and there is the faying face of a level in central authorities, and two sides that intersect vertically with this horizontal integration face are to radiate the locating surface of casket in a steady stream, the locating surface of horizontal integration face and both sides thereof has formed and has radiated the passage of casket discrepancy in a steady stream, the circular hole of two installation guide posts 14 of outer survey symmetric arrangement of two locating surfaces.
As shown in Figure 5, shield door 2 is provided with the stairstepping surface, stairstepping faying face on this stairstepping surface and the shield 1 matches, the central authorities of shield door 2 are provided with drive link 15 installing holes of driving mechanism, with respect to two guide post 14 installing holes of drive link 15 installing hole symmetric arrangement, the contiguous block of two chains or steel wire rope 5 is fixed in the guide post 14 installing holes outside, shield door 2 is for having the cast iron structure of cavity, filled heavy metal lead in the cavity, the exit of cavity is provided with shield door cover plate 20, and shield door cover plate 20 is screwed at shield door 2 outer surfaces.
In first embodiment of the present utility model, drive snail opinion worm screw and drive link 15 by motor 11, drive shield door 2 elevating movements, shortened the driving-chain that shield door 2 drives, the guide post 14 of shield door 2 both sides, only play the guiding role, do not need to bear weight and torque thereof, thereby simplify guide frame, reduce cost of manufacture, the cylindrical counterweight 3 that is complementary with shield door 2, the rotary inertia of two orthogonal directions is identical, can not occur the phenomenon of lateral tilt in shield door 2 lifting process, guarantees that shield door 2 elevating movements are steady, smooth and easy.
As shown in Figure 3, be second embodiment of the present utility model, two cylindrical counterweights 3 of shield door 2 lateral symmetry distribution, this counterweight 3 is along the vertical ground of axis, the one end is connected with the contiguous block of shield door 2 sides respectively by chain or steel wire rope 5, and other architectural feature of present embodiment is identical with the architectural feature of first embodiment of the present utility model.
Claims (10)
1. the door apparatus of a radiotherapy system, comprise: shield door, driving mechanism, described shield door is positioned on the shield of radiotherapy system, driving mechanism is connected with shield door, it is characterized in that: described shield door is provided with counterweight, and shield door and counterweight thereof drive elevating movement by driving mechanism.
2. the door apparatus of radiotherapy system according to claim 1, it is characterized in that: described shield door is provided with the stairstepping surface, and this stairstepping surface matches with faying face on the shield.
3. the door apparatus of radiotherapy system according to claim 1, it is characterized in that: described driving mechanism comprises: motor, snail opinion worm mechanism, drive link.
4. the door apparatus of radiotherapy system according to claim 3, it is characterized in that: described driving mechanism is positioned at the top of shield door, is connected with shield door by drive link, and the center of gravity of drive link center and shield door matches.
5. the door apparatus of radiotherapy system according to claim 1, it is characterized in that: described shield door is provided with two guide posts, and guide post is symmetrically distributed with respect to the shield door center of gravity.
6. the door apparatus of radiotherapy system according to claim 1, it is characterized in that: the counterweight that is complementary with shield door is a cylinder.
7. the door apparatus of radiotherapy system according to claim 1 or 5, it is characterized in that: described shield door is connected with an end of counterweight.
8. the door apparatus of radiotherapy system according to claim 1 or 5, it is characterized in that: described shield door is connected with the two ends of counterweight.
9. the door apparatus of radiotherapy system according to claim 1 or 5, it is characterized in that: described shield door is connected with counterweight by the chain of both sides.
10. the door apparatus of radiotherapy system according to claim 1 or 5, it is characterized in that: described shield door is connected with counterweight by the steel wire rope of both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119824 CN2850641Y (en) | 2005-12-12 | 2005-12-12 | Shield door device of radiotherapy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119824 CN2850641Y (en) | 2005-12-12 | 2005-12-12 | Shield door device of radiotherapy system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2850641Y true CN2850641Y (en) | 2006-12-27 |
Family
ID=37584607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520119824 Expired - Fee Related CN2850641Y (en) | 2005-12-12 | 2005-12-12 | Shield door device of radiotherapy system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2850641Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239224B (en) * | 2007-07-16 | 2010-12-22 | 深圳市海博科技有限公司 | Radiation therapy driving device |
-
2005
- 2005-12-12 CN CN 200520119824 patent/CN2850641Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239224B (en) * | 2007-07-16 | 2010-12-22 | 深圳市海博科技有限公司 | Radiation therapy driving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CITY HAIBO SCIENCE CO., LTD. Free format text: FORMER OWNER: HUI XIAOBING Effective date: 20070928 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070928 Address after: 518038 Guangdong Province, Shenzhen Futian Free Trade Zone Jinhua Road Yingdali Digital Park B block, room 507 Patentee after: Haibo Technology Co., Ltd. Shenzhen Address before: 518038 Guangdong Province, Shenzhen Futian Free Trade Zone Jinhua Road Yingdali Digital Park B block, room 507 Patentee before: Hui Xiaobing |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 518057 Guangdong city of Shenzhen province Nanshan District South Road No. 14 building seven Huiheng A zone 3 Patentee after: Haibo Technology Co., Ltd. Shenzhen Address before: 518038 Guangdong Province, Shenzhen Futian Free Trade Zone Jinhua Road Yingdali Digital Park B block, room 507 Patentee before: Haibo Technology Co., Ltd. Shenzhen |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061227 Termination date: 20131212 |