CN213525204U - Lead leaf linkage device inside X-ray beam limiter - Google Patents
Lead leaf linkage device inside X-ray beam limiter Download PDFInfo
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- CN213525204U CN213525204U CN202021306768.9U CN202021306768U CN213525204U CN 213525204 U CN213525204 U CN 213525204U CN 202021306768 U CN202021306768 U CN 202021306768U CN 213525204 U CN213525204 U CN 213525204U
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Abstract
The utility model relates to a limit and restraint ware technical field provides an inside lead leaf aggregate unit of X ray limit and restraint ware very much, uses on the X ray limit and restraint ware, the wild size of main control X ray radiation. In the utility model, the horizontal moving lead leaf, the vertical moving lead leaf, the horizontal moving pre-filtering lead window and the vertical moving pre-filtering lead window are respectively guided by the guide rail; the stepping motor with the speed reducer has double output shafts, and a synchronous belt is wound between each side output shaft and the matched idle wheel. The transverse moving lead blade, the longitudinal moving lead blade, the transverse moving pre-filtering lead window and the longitudinal moving pre-filtering lead window are connected with a synchronous belt through a fixed block, a motor drives the transverse moving lead blade and the longitudinal moving lead blade to move in an opening and closing mode in a rotating mode, and the transverse moving pre-filtering lead window, the longitudinal moving pre-filtering lead window, the transverse moving lead blade and the longitudinal moving lead window are moved in an opening and closing mode synchronously at equal proportional speed. The utility model discloses the invention simple structure, it is convenient to adjust, and the linkage precision is high, and it is effectual to shield X ray radiation.
Description
Technical Field
The utility model relates to a limit and restraint ware technical field provides an inside lead leaf aggregate unit of X ray limit and restraint ware very much.
Background
The beam limiter is used in the radioactive apparatus mainly for controlling the size and shape of the area of the radioactive source to the focus position through the lead blade inside the radioactive apparatus, so as to improve the imaging quality and reduce the unnecessary radiation to the patient. Most of the existing beam limiter window blades are fixed in structural size and are not linked with the main blade, so that the function of improving the imaging quality of a ray diagnosis device is not great; some current variable prefilter window devices are mostly link structures, and structural space layout is complicated, and occupation space is big, and the linkage precision is not high.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an inside lead leaf aggregate unit of X ray beam-limiting device.
The utility model is realized in such a way that the lead blade linkage device in the X-ray beam limiter comprises a transverse linkage component and a longitudinal linkage component, the transverse linkage component comprises a transverse driving component and a transverse lead blade transmission component, the lead window pre-filtering device comprises 2 transverse moving lead blades, a transverse pre-filtering lead window transmission assembly and 2 transverse moving pre-filtering lead windows, wherein the transverse moving lead blade transmission assembly and the 2 transverse moving lead blades are installed on the upper surface of a lead blade installation plate;
the longitudinal linkage assembly comprises a longitudinal driving assembly, a longitudinal lead blade transmission assembly, 2 longitudinal moving lead blades, a longitudinal pre-filtering lead window transmission assembly and 2 longitudinal moving pre-filtering lead windows, the longitudinal lead blade transmission assembly and the 2 longitudinal moving lead blades are installed on the lower surface of a lead blade installation plate, the longitudinal pre-filtering lead window transmission assembly and the 2 longitudinal moving pre-filtering lead windows are installed on the pre-filtering lead blade installation plate, the longitudinal driving assembly is installed between the lead blade installation plate and the pre-filtering lead blade installation plate, two synchronous transmission shafts are extended out, one is connected with the longitudinal lead blade transmission assembly, the 2 longitudinal moving lead blades are driven to open and close, the other transmission shaft is connected with the longitudinal pre-filtering lead window transmission assembly, and the 2 longitudinal moving pre-filtering lead windows are driven to open and close.
Preferably, the transverse lead blade transmission assembly comprises a transverse lead blade synchronous transmission belt and 2 transverse moving lead blade fixing blocks, one end of the transverse lead blade synchronous transmission belt is sleeved with a transmission shaft at the lower end of the transverse driving assembly, the other end of the transverse lead blade synchronous transmission belt is sleeved on a first idle wheel, the first idle wheel is fixed on the lead blade mounting plate, one end of each of the 2 transverse moving lead blade fixing blocks is fixedly connected to the transverse lead blade synchronous transmission belt at two sides of the first idle wheel, the other end of each of the 2 transverse moving lead blade fixing blocks is fixedly connected with the 2 transverse moving lead blades, two parallel transverse moving lead blade guide rails are arranged on the lead blade mounting plate, and two ends of each of the 2 transverse moving lead blades are movably connected to the transverse.
Preferably, the transverse pre-filtering lead window transmission assembly comprises a transverse pre-filtering lead window synchronous transmission belt and 2 transverse moving pre-filtering lead window fixing blocks, one end of the transverse pre-filtering lead window synchronous transmission belt is sleeved with a transmission shaft at the upper end of the transverse driving assembly, the other end of the transverse pre-filtering lead window synchronous transmission belt is sleeved on a second idler wheel, the second idler wheel is fixed on the pre-filtering lead window mounting plate, one end of each of the 2 transverse moving pre-filtering lead window fixing blocks is fixedly connected to the transverse pre-filtering lead window synchronous transmission belt at two sides of the second idler wheel, the other end of each of the 2 transverse moving pre-filtering lead windows is fixedly connected with the 2 transverse moving pre-filtering lead windows, two transverse moving pre-filtering lead window guide rails are arranged on the pre-filtering lead window mounting plate, and two ends of the 2 transverse moving pre-filtering lead windows.
Preferably, the longitudinal lead blade transmission assembly comprises a longitudinal lead blade synchronous transmission belt and 2 longitudinal moving lead blade fixing blocks, one end of the longitudinal lead blade synchronous transmission belt is sleeved with a transmission shaft at the lower end of the longitudinal driving assembly, the other end of the longitudinal lead blade synchronous transmission belt is sleeved on a third idler wheel, the third idler wheel is fixed on the lower surface of the lead blade mounting plate, one end of each of the 2 longitudinal moving lead blade fixing blocks is fixedly connected to the longitudinal lead blade synchronous transmission belt at the two sides of the third idler wheel, the other end of each of the 2 longitudinal moving lead blade fixing blocks is fixedly connected with the 2 longitudinal moving lead blades, two parallel longitudinal moving lead blade guide rails are arranged on the lower surface of the lead blade mounting plate, and two ends of each of the 2 longitudinal moving lead.
Preferably, the longitudinal pre-filtering lead window transmission assembly comprises a longitudinal pre-filtering lead window synchronous transmission belt and 2 longitudinal moving pre-filtering lead window fixing blocks, one end of the longitudinal pre-filtering lead window synchronous transmission belt is sleeved with a transmission shaft at the upper end of the longitudinal driving assembly, the other end of the longitudinal pre-filtering lead window synchronous transmission belt is sleeved on a fourth idler wheel, the fourth idler wheel is fixed on the pre-filtering lead window mounting plate, one end of each of the 2 longitudinal moving pre-filtering lead window fixing blocks is fixedly connected to the longitudinal pre-filtering lead window synchronous transmission belt at the two sides of the fourth idler wheel, the other end of each of the 2 longitudinal moving pre-filtering lead window fixing blocks is fixedly connected with the 2 longitudinal moving pre-filtering lead windows, two longitudinal moving pre-filtering lead window guide rails are arranged on the pre-filtering lead window mounting plate, and two ends of the 2 longitudinal moving pre-filtering.
Preferably, the transverse driving assembly and the longitudinal driving assembly are both motor reducer assemblies.
Preferably, the lead leaf mounting plate and the prefiltration lead leaf mounting plate are fixedly supported by support columns, and a plurality of pad columns are fixed on the lower surface of the lead leaf mounting plate and the upper surface of the prefiltration lead leaf mounting plate.
Further preferably, sensor blocking pieces are installed at the end parts of the transverse moving lead blade and the longitudinal moving lead blade, U-shaped sensors are fixed at the movement limit positions of the transverse moving lead blade and the longitudinal moving lead blade on the upper side and the lower side of the lead blade installation plate, the U-shaped sensors are connected with a controller, and the controller is connected with the transverse driving assembly and the longitudinal driving assembly.
Compared with the prior art, the utility model has the advantages of:
the lead blades and the pre-filtering lead window can be linked, and the structure is simple; and secondly, the lead blades and the pre-filtering lead window are guided by adopting a miniature guide rail, so that the movement is stable. Thirdly, the whole structure is layered, the speed reducer is in equal ratio transmission, the resistance is small, and the transmission precision is high.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments:
FIG. 1 is a view of the overall structure of a lead blade linkage device inside an X-ray beam limiter provided by the present invention;
FIG. 2 is an overall view of another view angle of the lead-leaf linkage device inside the X-ray beam limiter provided by the present invention;
FIG. 3 is a front view of a lead blade linkage device inside the X-ray beam limiter provided by the present invention;
FIG. 4 is a structural diagram of the X-ray beam limiter provided by the present invention with the part above the mounting plate of the prefiltered lead leaf removed;
fig. 5 is a schematic diagram of the operation of the lead-leaf linkage device inside the X-ray beam limiter in the system.
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 merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, 2, 3 and 4, the utility model provides an inside lead leaf aggregate unit of X-ray beam limiter, including horizontal linkage subassembly and vertical linkage subassembly, horizontal linkage subassembly includes horizontal drive subassembly 6, horizontal lead leaf transmission subassembly, 2 lateral shifting lead leaves 3, horizontal prefiltration lead window transmission subassembly and 2 lateral shifting prefiltration lead windows 23, horizontal lead leaf transmission subassembly and 2 lateral shifting lead leaves are installed at the upper surface of lead leaf mounting panel 1, horizontal prefiltration lead window transmission subassembly and 2 lateral shifting prefiltration lead windows 23 are installed on prefiltration lead leaf mounting panel 25, horizontal drive subassembly 6 is installed between lead leaf mounting panel 1 and prefiltration lead leaf mounting panel 25, stretch out two synchronous transmission shafts, one is connected with horizontal lead leaf transmission subassembly, drive 2 lateral shifting lead leaves 3 to open and close, another transmission shaft is connected with horizontal prefiltration lead window transmission subassembly, driving the 2 transverse moving pre-filtering lead windows 23 to open and close;
the longitudinal linkage assembly comprises a longitudinal driving assembly 5, a longitudinal lead blade transmission assembly, 2 longitudinal moving lead blades 4, a longitudinal pre-filtering lead window transmission assembly and 2 longitudinal moving pre-filtering lead windows 24, wherein the longitudinal lead blade transmission assembly and the 2 longitudinal moving lead blades are installed on the lower surface of a lead blade installation plate 1, the longitudinal pre-filtering lead window transmission assembly and the 2 longitudinal moving pre-filtering lead windows 24 are installed on a pre-filtering lead blade installation plate 25, the longitudinal driving assembly 5 is installed between the lead blade installation plate 1 and the pre-filtering lead blade installation plate 25, two synchronous transmission shafts extend out, one synchronous transmission shaft is connected with the longitudinal lead blade transmission assembly to drive the 2 longitudinal moving lead blades 4 to open and close, and the other transmission shaft is connected with the longitudinal pre-filtering lead window transmission assembly to drive the 2 longitudinal moving pre-filtering lead windows 24 to open and close.
Referring to fig. 1 and 5, after the X-ray emitted from the bulb passes through the lead blade linkage device inside the X-ray beam limiter provided by the present invention, a rectangular radiation field is formed at the exit position. The size of the radiation field is controlled by synchronously opening and closing 2 transverse moving lead leaves 3, 2 longitudinal moving lead leaves 4, 2 transverse moving prefiltering lead windows 23 and 2 longitudinal moving prefiltering lead windows 24. The transverse moving pre-filtering lead window 23 is synchronously linked with the transverse moving lead blade 3 in equal proportion, and the longitudinal moving pre-filtering lead window 24 is respectively synchronously linked with the longitudinal moving lead blade 4 in equal proportion. When the size of the transverse opening needs to be increased or decreased to increase or decrease the radiation field, the transverse driving component 6 is controlled to rotate clockwise or anticlockwise by a required angle to drive the pair of transverse moving lead blades 3 to synchronously move in opposite directions or back directions in a symmetrical mode through the transverse lead blade transmission component, and meanwhile, the output shaft side of the speed reducer of the transverse driving component 6 drives the pair of 2 transverse moving prefiltering lead windows 23 to synchronously move in opposite directions or back directions in a symmetrical mode through the transverse prefiltering lead window transmission component. When the size of the longitudinal opening needs to be increased or reduced so as to increase or reduce the radiation field, the longitudinal driving component 5 is controlled to rotate clockwise or anticlockwise by a required angle to drive the pair of longitudinal moving lead blades 4 to synchronously move in opposite directions or back directions in a symmetrical mode through the longitudinal lead blade transmission component, and meanwhile, the output shaft side of the speed reducer of the longitudinal driving component 5 drives the pair of longitudinal moving pre-filtering lead windows 24 to synchronously move in opposite directions or back directions in a symmetrical mode through the longitudinal pre-filtering lead window transmission component.
As a preferred transmission mode, the transverse lead blade transmission assembly comprises a transverse lead blade synchronous transmission belt 11 and 2 transverse moving lead blade fixing blocks 8, one end of the transverse lead blade synchronous transmission belt 11 is sleeved with a transmission shaft at the lower end of the transverse driving assembly 6, the other end of the transverse lead blade synchronous transmission belt is sleeved on a first idle wheel 7, the first idle wheel 7 is fixed on the lead blade mounting plate 1, one end of each of the 2 transverse moving lead blade fixing blocks 8 is fixedly connected to the transverse lead blade synchronous transmission belt 11 at two sides of the first idle wheel 7, the other end of each of the 2 transverse moving lead blades 3 is fixedly connected with the other end of the transverse moving lead blade, two parallel transverse moving lead blade guide rails 2 are arranged on the lead blade mounting plate 1, and two ends of the 2 transverse moving lead blades 3 are movably connected to the transverse moving lead;
the transverse pre-filtering lead window transmission assembly comprises a transverse pre-filtering lead window synchronous transmission belt 21 and 2 transverse moving pre-filtering lead window fixing blocks 9, one end of the transverse pre-filtering lead window synchronous transmission belt 21 is sleeved with a transmission shaft at the upper end of the transverse driving assembly 6, the other end of the transverse pre-filtering lead window synchronous transmission belt is sleeved on a second idle wheel 26, the second idle wheel 26 is fixed on the pre-filtering lead window mounting plate 25, one end of each of the 2 transverse moving pre-filtering lead window fixing blocks 9 is fixedly connected to the transverse pre-filtering lead window synchronous transmission belt 21 at two sides of the second idle wheel 26, the other end of each of the 2 transverse moving pre-filtering lead window fixing blocks is fixedly connected with the 2 transverse moving pre-filtering lead windows 23, two transverse moving pre-filtering lead window guide rails 27 are arranged on the pre-filtering lead window mounting plate 25, and two ends of the 2 transverse moving pre-filtering lead windows 23.
The longitudinal lead leaf transmission component comprises a longitudinal lead leaf synchronous transmission belt 12 and 2 longitudinal moving lead leaf fixing blocks 16, one end of the longitudinal lead leaf synchronous transmission belt 12 is sleeved with a transmission shaft at the lower end of the longitudinal driving component 5, the other end of the longitudinal lead leaf synchronous transmission belt is sleeved on a third idle wheel 17, the third idle wheel 17 is fixed on the lower surface of the lead leaf mounting plate 1, one end of each of the 2 longitudinal moving lead leaf fixing blocks 16 is fixedly connected to the longitudinal lead leaf synchronous transmission belt 12 at two sides of the third idle wheel 17, the other end of each of the 2 longitudinal moving lead leaves 4 is fixedly connected with the corresponding 2 longitudinal moving lead leaf 4, two parallel longitudinal moving lead leaf guide rails 18 are arranged on the lower surface of the lead leaf mounting plate 1, and two ends of each of the 2 longitudinal moving lead leaves.
The longitudinal pre-filtering lead window transmission assembly comprises a longitudinal pre-filtering lead window synchronous transmission belt 20 and 2 longitudinal moving pre-filtering lead window fixing blocks 19, one end of the longitudinal pre-filtering lead window synchronous transmission belt 20 is sleeved with a transmission shaft at the upper end of the longitudinal driving assembly 5, the other end of the longitudinal pre-filtering lead window synchronous transmission belt is sleeved on a fourth idler pulley 22, the fourth idler pulley 22 is fixed on the pre-filtering lead window mounting plate 25, one end of each of the 2 longitudinal moving pre-filtering lead window fixing blocks 19 is fixedly connected to the longitudinal pre-filtering lead window synchronous transmission belt 20 at two sides of the fourth idler pulley 22, the other end of each of the 2 longitudinal moving pre-filtering lead window fixing blocks is fixedly connected with the 2 longitudinal moving pre-filtering lead windows 24, two longitudinal moving pre-filtering lead window guide rails 28 are arranged on the pre-filtering lead window mounting plate 25, and two ends of the 2 longitudinal moving pre-filtering lead windows 24.
The four transmission belts drive the fixed blocks on the transmission belts to move, so that the transverse moving lead leaf 3, the longitudinal moving lead leaf 4, the transverse moving prefiltering lead window 23 and the longitudinal moving prefiltering lead window 24 move, and the change of the radiation field size is realized.
Preferably, the transverse driving assembly 6 and the longitudinal driving assembly 5 are both motor reducer assemblies.
In order to realize the support, preferably, the lead leaf mounting plate 1 and the prefiltration lead leaf mounting plate 25 are fixedly supported by a support column 10, and a plurality of pad columns 15 are fixed on both the lower surface of the lead leaf mounting plate 1 and the upper surface of the prefiltration lead leaf mounting plate 25.
For convenience of control, sensor blocking plates 13 are preferably arranged at the end parts of the transverse moving lead blade 3 and the longitudinal moving lead blade 4, U-shaped sensors 14 are fixed at the movement limit positions of the transverse moving lead blade 3 and the longitudinal moving lead blade 4 on the upper side and the lower side of the lead blade mounting plate 1, the U-shaped sensors 14 are connected with a controller, and the controller is connected with the transverse driving assembly 6 and the longitudinal driving assembly 5.
When the transverse moving lead blade 3 or the longitudinal moving lead blade 4 moves to the opening limit position, the sensor baffle 13 on the transverse moving lead blade triggers the U-shaped sensor 14, and the U-shaped sensor 14 sends a signal to the controller so as to control the transverse driving assembly 6 and the longitudinal driving assembly 5 to stop rotating.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A lead blade linkage device in an X-ray beam limiter is characterized by comprising a transverse linkage component and a longitudinal linkage component, wherein the transverse linkage component comprises a transverse driving component (6), a transverse lead blade transmission component, 2 transverse moving lead blades (3), a transverse prefiltering lead window transmission component and 2 transverse moving prefiltering lead windows (23), the transverse lead blade transmission component and the 2 transverse moving lead blades are installed on the upper surface of a lead blade installation plate (1), the transverse prefiltering lead window transmission component and the 2 transverse moving prefiltering lead windows (23) are installed on a prefiltering lead blade installation plate (25), the transverse driving component (6) is installed between the lead blade installation plate (1) and the prefiltering lead blade installation plate (25), two synchronous transmission shafts extend out, and one lead blade transmission component is connected with the transverse lead blade transmission component to drive the 2 transverse moving lead blades (3) to open and close, the other transmission shaft is connected with the transverse pre-filtering lead window transmission assembly to drive the 2 transverse moving pre-filtering lead windows (23) to open and close;
the longitudinal linkage assembly comprises a longitudinal driving assembly (5), a longitudinal lead blade transmission assembly, 2 longitudinal moving lead blades (4), a longitudinal pre-filtering lead window transmission assembly and 2 longitudinal moving pre-filtering lead windows (24), vertical lead leaf drive assembly and 2 vertical removal lead leaf install the lower surface at lead leaf mounting panel (1), vertical prefiltration lead window drive assembly and 2 vertical removal prefiltration lead window (24) are installed on prefiltration lead leaf mounting panel (25), vertical drive assembly (5) are installed between lead leaf mounting panel (1) and prefiltration lead leaf mounting panel (25), stretch out two synchronous drive axle, one is connected with vertical lead leaf drive assembly, drive 2 vertical removal lead leaf (4) and open and shut, another transmission shaft is connected with vertical prefiltration lead window drive assembly, it opens and shuts to drive 2 vertical removal prefiltration lead window (24).
2. An X-ray beam limiter internal lead leaf linkage arrangement according to claim 1, the transverse lead leaf transmission component comprises a transverse lead leaf synchronous transmission belt (11) and 2 transverse moving lead leaf fixing blocks (8), one end of the transverse lead leaf synchronous transmission belt (11) is sleeved with a transmission shaft at the lower end of the transverse driving component (6), the other end of the transverse lead leaf synchronous transmission belt is sleeved on a first idle wheel (7), the first idle wheel (7) is fixed on the lead leaf mounting plate (1), one end of each of the 2 transverse moving lead leaf fixing blocks (8) is respectively and fixedly connected to the transverse lead leaf synchronous transmission belt (11) at two sides of the first idle wheel (7), the other end of each transverse moving lead leaf fixing block is respectively and fixedly connected with the 2 transverse moving lead leaves (3), two parallel transverse moving lead leaf guide rails (2) are arranged on the lead leaf mounting plate (1), and two ends of the 2 transverse moving lead leaves (3) are movably connected to the transverse moving lead leaf guide rails (2) respectively.
3. The lead blade linkage device in the X-ray beam limiter according to claim 1, wherein the transverse pre-filtering lead window transmission assembly comprises a transverse pre-filtering lead window synchronous transmission belt (21) and 2 transverse moving pre-filtering lead window fixing blocks (9), one end of the transverse pre-filtering lead window synchronous transmission belt (21) is sleeved with a transmission shaft at the upper end of the transverse driving assembly (6), the other end is sleeved on a second idle wheel (26), the second idle wheel (26) is fixed on the pre-filtering lead window mounting plate (25), one end of each of the 2 transverse moving pre-filtering lead window fixing blocks (9) is fixedly connected to the transverse pre-filtering lead window synchronous transmission belt (21) at two sides of the second idle wheel (26), the other end of each of the 2 transverse moving pre-filtering lead windows (23) is fixedly connected with the pre-filtering lead window mounting plate (25), two transverse moving pre-filtering lead window guide rails (27) are arranged on the pre-filtering lead window mounting plate (25), two ends of each of the 2 transverse moving pre-filtering lead windows (23) are respectively movably connected to a transverse moving pre-filtering lead window guide rail (27).
4. An X-ray beam limiter internal lead leaf linkage arrangement according to claim 1, the longitudinal lead leaf transmission component comprises a longitudinal lead leaf synchronous transmission belt (12) and 2 longitudinal moving lead leaf fixing blocks (16), one end of the longitudinal lead leaf synchronous transmission belt (12) is sleeved with a transmission shaft at the lower end of the longitudinal driving component (5), the other end of the longitudinal lead leaf synchronous transmission belt is sleeved on a third idle wheel (17), the third idle wheel (17) is fixed on the lower surface of the lead leaf mounting plate (1), one end of each of the 2 longitudinal moving lead leaf fixing blocks (16) is respectively and fixedly connected to the longitudinal lead leaf synchronous transmission belt (12) at two sides of the third idle wheel (17), and the other end of each longitudinal moving lead leaf fixing block is respectively and fixedly connected with the 2 longitudinal moving lead leaves (4), two parallel longitudinal moving lead leaf guide rails (18) are arranged on the lower surface of the lead leaf mounting plate (1), and two ends of each of the 2 longitudinal moving lead leaves (4) are movably connected to the longitudinal moving lead leaf guide rails (18) respectively.
5. The lead blade linkage device in the X-ray beam limiter according to claim 1, wherein the longitudinal prefiltration lead window transmission assembly comprises a longitudinal prefiltration lead window synchronous transmission belt (20) and 2 longitudinal movement prefiltration lead window fixing blocks (19), one end of the longitudinal prefiltration lead window synchronous transmission belt (20) is sleeved with a transmission shaft at the upper end of the longitudinal driving assembly (5), the other end is sleeved on a fourth idle wheel (22), the fourth idle wheel (22) is fixed on the prefiltration lead window mounting plate (25), one ends of the 2 longitudinal movement prefiltration lead window fixing blocks (19) are respectively and fixedly connected on the longitudinal prefiltration lead window synchronous transmission belt (20) at two sides of the fourth idle wheel (22), the other ends are respectively and fixedly connected with the 2 longitudinal movement prefiltration lead window (24), two longitudinal movement prefiltration lead window guide rails (28) are arranged on the prefiltration lead window mounting plate (25), two ends of each of the 2 longitudinally moving pre-filtering lead windows (24) are respectively movably connected to a longitudinally moving pre-filtering lead window guide rail (28).
6. The internal lead blade linkage device of the X-ray beam limiter according to claim 1, characterized in that the transverse driving assembly (6) and the longitudinal driving assembly (5) are both motor reducer assemblies.
7. The lead blade linkage device in the X-ray beam limiter according to claim 1, wherein the lead blade mounting plate (1) and the prefiltered lead blade mounting plate (25) are fixedly supported by a support column (10), and a plurality of cushion columns (15) are fixed on the lower surface of the lead blade mounting plate (1) and the upper surface of the prefiltered lead blade mounting plate (25).
8. The lead blade linkage device in the X-ray beam limiter according to claim 1, characterized in that sensor blocking plates (13) are arranged at the ends of the transverse moving lead blade (3) and the longitudinal moving lead blade (4), U-shaped sensors (14) are fixed at the motion limit positions of the transverse moving lead blade (3) and the longitudinal moving lead blade (4) on the upper side and the lower side of the lead blade mounting plate (1), the U-shaped sensors (14) are connected with a controller, and the controller is connected with the transverse driving assembly (6) and the longitudinal driving assembly (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021306768.9U CN213525204U (en) | 2020-07-07 | 2020-07-07 | Lead leaf linkage device inside X-ray beam limiter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021306768.9U CN213525204U (en) | 2020-07-07 | 2020-07-07 | Lead leaf linkage device inside X-ray beam limiter |
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| CN213525204U true CN213525204U (en) | 2021-06-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102604560B1 (en) * | 2022-09-28 | 2023-11-22 | 주식회사 네프 | Collimator for Controlling Irradiation Area of X-ray |
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2020
- 2020-07-07 CN CN202021306768.9U patent/CN213525204U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102604560B1 (en) * | 2022-09-28 | 2023-11-22 | 주식회사 네프 | Collimator for Controlling Irradiation Area of X-ray |
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