Beam shaping device

Abstract

A beam shaping apparatus includes a beam shaping body and a main bracket. The beam shaping body comprises a front module and a rear module. The rear module and the front module define a working space therein, and the working space is configured to accommodate a neutron source. The main supporting frame is configured to support the front module and the rear module. The neutron source is configured to generate a plurality of neutrons, and the beam shaper is configured to adjust an energy spectrum of the neutrons to generate a neutron beam. According to the beam shaping equipment, better space utilization can be achieved, the position and the horizontal height of the beam shaping body can be accurately adjusted, and therefore the beam shaping body can be accurately aligned with an accelerator. Furthermore, when the accelerator and the auxiliary beam line pipe body of the accelerator are installed or maintained subsequently, the beam shaping body front module and the beam shaping body rear module can be simply and rapidly separated so as to provide a required operation space, and after operation is completed, the beam shaping body front module and the beam shaping body rear module can also be simply and rapidly reset and combined.

Description

Technical Field

[0001] The present invention relates to a beam shaping device. Background Art

[0002] Boron Neutron Capture Therapy (BNCT) is a targeted heavy particle radiotherapy. The treatment device using this technology generates a neutron source by bombarding a target with an ion beam produced by an accelerator. Through functions such as collection, deceleration, and convergence of a Beam Shaping Assembly (BSA), a high-performance neutron beam is generated, thereby improving the treatment quality.

[0003] However, the accelerator and its attached beam tube body require operation, maintenance, and repair, and thus need to be separated from the beam shaping body. And there should be enough working space between the two to perform the above measures. After the operation, maintenance, and repair are completed, the two should also be reset. Also, both the accelerator and the beam shaping body are heavy devices, and it is not easy to align them. Therefore, how to enable users to simply and easily make effective and precise position adjustments to the accelerator and the beam shaping body in a limited space is undoubtedly a topic that the industry attaches great importance to. Summary of the Invention

[0004] One of the objectives of the present invention is to provide a beam shaping device that can achieve better space utilization and can precisely adjust the position and horizontal height of the beam shaping body, so as to accurately align with the accelerator. Further, when the accelerator and its attached beam tube body are installed or maintained subsequently, the front and rear modules of the beam shaping body can be simply and quickly separated to provide the required working space, and after the operation is completed, the front and rear modules of the beam shaping body can also be simply and quickly reset and combined.

[0005] According to an embodiment of the present invention, a beam shaping device includes a beam shaping body and a main support bracket. The beam shaping body includes a front module and a rear module. The rear module and the front module define a working space therebetween, and the working space is configured to accommodate a neutron source. The main support bracket is configured to support the front module and the rear module. The neutron source is configured to generate a plurality of neutrons, and the beam shaping body is configured to adjust the energy spectrum of the neutrons to generate a neutron beam.

[0006] In one or more embodiments of the present invention, the above-mentioned main support bracket includes a first support bracket, a plurality of first tracks, a first limit bracket, a plurality of anchor seats, and a plurality of first level adjusters. The first tracks are provided on the first support bracket, and the front module and the rear module are respectively configured to be movably provided on the first tracks.

[0007] The first support bracket is movably connected to the first limit bracket. The anchor seats are separated from each other and are provided on the floor.

[0008] The first horizontal adjuster is respectively connected between a corresponding one of the anchoring seats and the first limiting bracket.

[0009] In one or more embodiments of the present invention, the above-mentioned first tracks respectively extend along a first direction, the first supporting bracket is configured to move relative to the first limiting bracket along the first direction and a second direction, and the second direction is perpendicular to the first direction.

[0010] In one or more embodiments of the present invention, the above-mentioned first horizontal adjusters are respectively configured to adjust the position of the first limiting bracket relative to a corresponding one of the anchoring seats along a third direction, and the third direction is perpendicular to the first direction and the second direction.

[0011] In one or more embodiments of the present invention, the above-mentioned beam shaping device further includes a first auxiliary supporting bracket and a second auxiliary supporting bracket. The first auxiliary supporting bracket is detachably connected to the main supporting bracket and the front module, and is used to move the front module relative to the main supporting bracket. The second auxiliary supporting bracket is detachably connected to the main supporting bracket and the rear module, and is used to move the rear module relative to the main supporting bracket.

[0012] In one or more embodiments of the present invention, the above-mentioned first tracks respectively extend along a first direction, the front module and the rear module are arranged along the first direction, and the first auxiliary supporting bracket and the second auxiliary supporting bracket are detachably connected to opposite sides of the main supporting bracket along the first direction.

[0013] In one or more embodiments of the present invention, the above-mentioned first auxiliary supporting bracket includes a second supporting bracket, a plurality of second tracks, a second limiting bracket, a first chassis, a plurality of second horizontal adjusters, a first driving part and a first moving part. The second supporting bracket is detachably connected to the first supporting bracket. The second tracks are arranged on the second supporting bracket and are aligned with the first tracks. The second limiting bracket supports and fixes the second supporting bracket. The first chassis is detachably connected to at least one of the corresponding anchoring seats. The second horizontal adjusters are respectively connected between the first chassis and the second limiting bracket, and are configured to adjust the distance between the first chassis and the second limiting bracket. The first driving part is connected to the second supporting bracket. The first moving part is configured to be detachably connected to the front module, and the first driving part is connected to the first moving part and is configured to drive the first moving part to move.

[0014] In one or more embodiments of the present invention, the above-mentioned first driving part and the first moving part are located between the second tracks.

[0015] In one or more embodiments of the present invention, the above-mentioned first driving part includes a first connecting member, a first threaded rod, and at least one first guiding rod. The first threaded rod is connected between the second supporting bracket and the first connecting member, and the first threaded rod is configured to rotate relative to the second supporting bracket and the first connecting member, and the first moving part is coupled to the first threaded rod. The first guiding rod passes through the first moving part and is connected between the second supporting bracket and the first connecting member, and the first guiding rod, the first threaded rod, and the second track are parallel to each other.

[0016] In one or more embodiments of the present invention, the above-mentioned second auxiliary supporting bracket includes a third supporting bracket, a plurality of third tracks, a third limiting bracket, a second bottom frame, a plurality of third level adjusters, a second driving part, and a second moving part. The third supporting bracket is detachably connected to the first supporting bracket. The third tracks are arranged on the third supporting bracket and are aligned with the first tracks. The third limiting bracket supports and fixes the third supporting bracket. The second bottom frame is detachably connected to at least another corresponding one in the anchoring seats. The third level adjusters are respectively connected between the second bottom frame and the third limiting bracket and are configured to adjust the distance between the second bottom frame and the third limiting bracket. The second driving part is connected to the third supporting bracket. The second moving part is configured to be detachably connected to the rear module, and the second driving part is connected to the second moving part and is configured to drive the second moving part to move.

[0017] In one or more embodiments of the present invention, the above-mentioned second driving part and the second moving part are located between the third tracks.

[0018] In one or more embodiments of the present invention, the above-mentioned second driving part includes a second connecting member, a second threaded rod, and at least one second guiding rod. The second threaded rod is connected between the third supporting bracket and the second connecting member, and the second threaded rod is configured to rotate relative to the third supporting bracket and the second connecting member, and the second moving part is coupled to the second threaded rod. The second guiding rod passes through the second moving part and is connected between the third supporting bracket and the second connecting member, and the second guiding rod, the second threaded rod, and the third track are parallel to each other.

[0019] In one or more embodiments of the present invention, the above-mentioned first threaded rod has a first length, the second threaded rod has a second length, and the second length is different from the first length.

[0020] The above embodiments of the present invention have at least the following advantages:

[0021] (1) The front module and the rear module can be detachably connected to opposite sides of the main support bracket along the first direction through the first auxiliary support bracket and the second auxiliary support bracket. The front module and the rear module can move relative to the main support bracket respectively, so that the front module and the rear module move away from or close to each other. This can make the environment where the beam shaping device is located achieve better space utilization, thus facilitating the user to operate, repair or maintain the accelerator and its attached beam tube body. Moreover, when the first auxiliary support bracket and the second auxiliary support bracket no longer support the front module and the rear module, the first auxiliary support bracket and the second auxiliary support bracket can be removed, which is beneficial to saving space.

[0022] (2) Since the movement of the front module and the rear module provided on the main support bracket in the first direction, the second direction and the third direction is achieved through independent mechanisms, that is, the movement of the front module and the rear module in the first direction, the second direction and the third direction does not affect or interfere with each other. Therefore, the user can accurately adjust the position and horizontal height of the front module and the rear module, which is beneficial to improving the operation effect of the beam shaping device.

[0023] (3) Since the maximum stroke of the first moving part is different from the maximum stroke of the second moving part, the moving amplitudes of the front module and the rear module in the first direction can be different, thereby improving the use flexibility of the beam shaping device. Description of the Drawings

[0024] Figure 1 FIG. is a perspective view showing a beam shaping device according to an embodiment of the present invention.

[0025] Figure 2 FIG. is showing Figure 1 a side view of the beam shaping device.

[0026] Figure 3 FIG. is showing Figures 1 - 2 a perspective view of the beam shaping device, wherein the front module and the rear module have been placed on the main support bracket, and the first auxiliary support bracket and the second auxiliary support bracket have been removed.

[0027] Figure 4 FIG. is showing Figure 3 an exploded view of the main support bracket.

[0028] Figure 5 FIG. is showing Figures 1 - 2 a perspective view of the first auxiliary support bracket.

[0029] Figure 6 FIG. is showing Figures 1 - 2 a perspective view of the second auxiliary support bracket. Detailed Embodiment

[0030] The following will disclose multiple embodiments of the present invention with reference to the accompanying drawings. For the sake of clear illustration, many practical details will be described together in the following narrative. However, it should be understood that these practical details are not used to limit the present invention. That is to say, in some embodiments of the present invention, these practical details are unnecessary. In addition, for the sake of simplifying the drawings, some conventional structures and elements in the prior art will be shown in a simple schematic manner in the drawings, and the same reference numerals will be used to represent the same or similar elements in all the drawings. And if possible in implementation, the features of different embodiments can be applied interactively.

[0031] Unless otherwise defined, all the terms (including technical and scientific terms) used herein have their ordinary meanings, which can be understood by those skilled in the art. Further, the definitions of the above terms in commonly used dictionaries should be interpreted as being consistent with the meanings in the relevant fields of the present invention. Unless specifically defined otherwise, these terms will not be construed as idealized or overly formal meanings.

[0032] Please refer to Figures 1 - 2 。 Figure 1 FIG. is a perspective schematic view of a beam shaping device 100 according to an embodiment of the present invention. Figure 2 For showing Figure 1 a side view of the beam shaping device 100. In this embodiment, as Figures 1 - 2 shown, a beam shaping device 100 includes a beam shaping body 110, a main support bracket 130, a first auxiliary support bracket 140, and a second auxiliary support bracket 150. The beam shaping body 110 includes a front module 111 and a rear module 112. To make the drawings concise, in Figure 1 , both the front module 111 and the rear module 112 of the beam shaping body 110 are shown in dashed lines, and the rear module 112 and the front module 111 define an operation space WS therein. The operation space WS is configured to accommodate a neutron source 200 (for the neutron source 200, please see Figure 2 . To make the drawings concise, the neutron source 200 is not shown in Figure 1 ). The neutron source 200 is actually a target, and the neutron source 200 is connected to an accelerator via a beam tube body (both the beam tube body and the accelerator are not shown). The beam is generated by the accelerator and impacts the neutron source 200 via the beam tube body to generate neutrons. When the beam shaping device 100 operates, the front module 111 and the rear module 112 are connected and combined with each other (as Figure 3As shown, the beam shaper 110 adjusts the energy spectrum of the neutrons generated by the neutron source 200 in ways such as collection, deceleration, and convergence, thereby generating a high-performance neutron beam to improve the treatment efficacy of the beam shaping device 100. Furthermore, the main support bracket 130 is configured to support the front module 111 and the rear module 112. The first auxiliary support bracket 140 is detachably connected to the main support bracket 130 and the front module 111, and is used to move the front module 111 relative to the main support bracket 130. The second auxiliary support bracket 150 is detachably connected to the main support bracket 130 and the rear module 112, and is used to move the rear module 112 relative to the main support bracket 130.

[0033] Specifically, as Figures 1 - 2 shown, the front module 111 and the rear module 112 are arranged along the first direction D1, and the first auxiliary support bracket 140 and the second auxiliary support bracket 150 are also detachably connected to the opposite sides of the main support bracket 130 along the first direction D1. Therefore, the front module 111 can move along the first direction D1 from the first auxiliary support bracket 140 to the main support bracket 130, or from the main support bracket 130 to the first auxiliary support bracket 140. Similarly, the rear module 112 can move along the first direction D1 from the second auxiliary support bracket 150 to the main support bracket 130, or from the main support bracket 130 to the second auxiliary support bracket 150. In this way, by the first auxiliary support bracket 140 and the second auxiliary support bracket 150 being detachably connected to the opposite sides of the main support bracket 130 along the first direction D1, the front module 111 and the rear module 112 can move relative to the main support bracket 130 respectively, so that the front module 111 and the rear module 112 move away from or close to each other, which can enable better space utilization in the environment where the beam shaping device 100 is located, thereby facilitating the user to operate, repair, or maintain the accelerator and its attached beam tube body. For example, the distance between the front module 111 and the rear module 112 can reach 200 centimeters.

[0034] Please refer to Figures 3 - 4 . Figure 3 To illustrate Figures 1 - 2 the three-dimensional schematic diagram of the beam shaping device 100, where the front module 111 and the rear module 112 have been placed on the main support bracket 130, and the first auxiliary support bracket 140 and the second auxiliary support bracket 150 have been removed. Figure 4 To illustrate Figure 3 the exploded schematic diagram of the main support bracket 130. To make the drawings concise, in Figure 3In [the figure], the front module 111 and the rear module 112 of the beam shaper 110 are both shown in dashed lines, and the front module 111 and the rear module 112 have been brought close to and connected to each other. The connected and combined beam shaper 110 can adjust the energy spectrum of the neutrons generated by the neutron source 200, thereby generating a high-performance neutron beam. At this time, the first auxiliary support bracket 140 and the second auxiliary support bracket 150 (for the first auxiliary support bracket 140 and the second auxiliary support bracket 150, please refer to Figures 1 - 2 ) no longer support the front module 111 and the rear module 112. Therefore, the first auxiliary support bracket 140 and the second auxiliary support bracket 150 can be removed, which is beneficial to saving space.

[0035] In this embodiment, as shown in Figures 3 - 4 , the main support bracket 130 includes a first support bracket 131, a plurality of first tracks 132, a first limit bracket 133, a plurality of anchor seats 134, and a plurality of first horizontal adjusters 135. The first tracks 132 are provided on the first support bracket 131, and the front module 111 and the rear module 112 are respectively configured to be movably provided on the first tracks 132. The first support bracket 131 is movably connected to the first limit bracket 133, and the first limit bracket 133 can actually be formed by welding a U-shaped groove. The anchor seats 134 are separated from each other and are provided on the platform 300 (for the platform 300, please refer to Figures 1 - 2 ). The first horizontal adjusters 135 are respectively connected between a corresponding one of the anchor seats 134 and the first limit bracket 133.

[0036] Furthermore, as shown in Figures 3 - 4 , the first tracks 132 respectively extend along a first direction D1, so that the front module 111 and the rear module 112 can move relative to the first support bracket 131 along the first direction D1 on the first tracks 132. In addition, the first support bracket 131 is configured to move relative to the first limit bracket 133 along the first direction D1 and a second direction D2, and the second direction D2 is perpendicular to the first direction D1.

[0037] Specifically, as shown in Figures 3 - 4 , the first limit bracket 133 has a plurality of first screw holes H1, and the first screw holes H1 are distributed on opposite sides of the first limit bracket 133 and respectively extend along the first direction D1. The user can use a plurality of first screws S1 to respectively couple the corresponding first screw holes H1, and press the first screws S1 against the first support bracket 131, so that the first support bracket 131 moves relative to the first limit bracket 133 along the first direction D1, that is, the front module 111 and the rear module 112 provided on the first support bracket 131 achieve precise movement in the first direction D1, so that the front module 111 and the rear module 112 can be precisely aligned relative to the neutron source 200. For example, the moving range of the first support bracket 131 relative to the first limit bracket 133 along the first direction D1 is ±1 centimeter.

[0038] Similarly, as shown in Figures 3 - 4 , the first limiting bracket 133 also has a plurality of second screw holes H2, which are distributed on opposite sides of the first limiting bracket 133 and extend along the second direction D2 respectively. The user can use a plurality of second screws S2 to couple the corresponding second screw holes H2 respectively, and press the first supporting bracket 131 with the second screws S2, so that the first supporting bracket 131 moves relative to the first limiting bracket 133 along the second direction D2, that is, to make the front module 111 and the rear module 112 arranged on the first supporting bracket 131 move precisely in the second direction D2, so that the front module 111 and the rear module 112 can be precisely aligned relative to the neutron source 200.

[0039] Furthermore, as shown in Figures 3 - 4 , the anchoring seat 134 respectively has a plurality of third screw holes H3, which extend along the second direction D2 respectively. When the first limiting bracket 133 is fixed relative to the anchoring seat 134 in the second direction D2, the user can use a plurality of third screws S3 to couple the corresponding third screw holes H3 respectively, and press the first supporting bracket 131 with the third screws S3, so that the first supporting bracket 131 moves relative to the first limiting bracket 133 along the second direction D2, that is, to make the front module 111 and the rear module 112 arranged on the first supporting bracket 131 move precisely in the second direction D2, so that the front module 111 and the rear module 112 can be precisely aligned relative to the neutron source 200. For example, the moving range of the first supporting bracket 131 relative to the first limiting bracket 133 along the second direction D2 is ±1 centimeter.

[0040] However, it should be understood that the above example of using screws to push the first supporting bracket 131 to make the first supporting bracket 131 move relative to the first limiting bracket 133 is only an illustration and is not intended to limit the present invention. Those skilled in the art of the present invention should select the method of making the first supporting bracket 131 move relative to the first limiting bracket 133 appropriately according to the actual situation.

[0041] Furthermore, the first horizontal adjusters 135 are respectively configured to adjust the position of the first limit bracket 133 relative to a corresponding one of the anchoring seats 134 along a third direction D3, and the third direction D3 is perpendicular to the first direction D1 and the second direction D2. By adjusting the position of the first limit bracket 133 relative to the corresponding anchoring seat 134 in the third direction D3 with the individual first horizontal adjusters 135, the user can simply and easily make the front module 111 and the rear module 112 disposed on the main support bracket 130 reach an accurate horizontal height in the third direction D3, so that the front module 111 and the rear module 112 can be accurately aligned relative to the neutron source 200. For example, the moving range of the first limit bracket 133 relative to the corresponding anchoring seat 134 along the third direction D3 is ±0.5 cm.

[0042] In the present embodiment, the first tracks 132 on the first support brackets 131 respectively extend along the first direction D1, and the first screws S1 coupled to the corresponding first screw holes H1 can also be finely adjusted in the first direction D1, and the second screws S2 coupled to the corresponding second screw holes H2 and the third screws S3 coupled to the corresponding third screw holes H3 can be finely adjusted in the second direction D2, and the first horizontal adjusters 135 can finely adjust the position of the first limit bracket 133 relative to a corresponding one of the anchoring seats 134 along the third direction D3. Among them, although the first screw S1 coupled to the first screw hole H1 can be finely adjusted in the first direction D1, in order to avoid this fine adjustment from mutually affecting the coupling of the second screw S2 and the second screw hole H2 and / or the coupling of the third screw S3 and the third screw hole H3, therefore, it is necessary to move the first track 132 in the first direction D1 to make the movements of different components of the main support bracket 130 in the first direction D1, the second direction D2, and the third direction D3 independent of each other.

[0043] It should be noted that, as described above, since the movements of the front module 111 and the rear module 112 disposed on the main support bracket 130 in the first direction D1, the second direction D2, and the third direction D3 are achieved through independent mechanisms, that is, the movements of the front module 111 and the rear module 112 in the first direction D1, the second direction D2, and the third direction D3 do not affect or interfere with each other, the user can accurately adjust the positions and horizontal heights of the front module 111 and the rear module 112, which is beneficial to improving the operation effect of the beam shaping device 100.

[0044] Please refer to Figure 5 。 Figure 5 For showing Figures 1 - 2 a three-dimensional schematic diagram of the first auxiliary support bracket 140. In the present embodiment, as Figure 5As shown, the first auxiliary support bracket 140 includes a second support bracket 141, a plurality of second tracks 142, a second limit bracket 143, a first chassis 144, a plurality of second horizontal adjusters 145, a first drive unit 146, and a first moving unit 147. The second support bracket 141 is detachably connected to the first support bracket 131 (please refer to Figures 1 - 2 ). The second tracks 142 are disposed on the second support bracket 141 and aligned with the first tracks 132 (please refer to Figures 1 - 2 ). The second limit bracket 143 supports and fixes the second support bracket 141. The first chassis 144 is detachably connected to at least one corresponding one of the anchoring seats 134 (please refer to Figures 1 - 2 ). The second horizontal adjusters 145 are respectively connected between the first chassis 144 and the second limit bracket 143 and are configured to move the second limit bracket 143 relative to the first chassis 144 along the third direction D3, so as to adjust the distance between the first chassis 144 and the second limit bracket 143. The first drive unit 146 is connected to the second support bracket 141. For example, in the present embodiment, the first drive unit 146 is also detachably connected to the first support bracket 131. However, in other embodiments, according to the actual situation, the first drive unit 146 and the first support bracket 131 are separated from each other, that is, the first drive unit 146 and the first support bracket 131 are not connected to each other. The first moving unit 147 is configured to be detachably connected to the front module 111 (please refer to Figures 1 - 2 ), and the first drive unit 146 is connected to the first moving unit 147 and is configured to drive the first moving unit 147 to move.

[0045] Furthermore, the first drive unit 146 and the first moving unit 147 are located between the second tracks 142, that is, the second tracks 142 are separated from each other, so as to provide more stable support for the front module 111.

[0046] More specifically, the first driving part 146 includes a first connecting piece 1461, a first threaded rod 1462, and at least one first guiding rod 1463. As described above, for example, in this embodiment, the first connecting piece 1461 is detachably connected to the first supporting bracket 131. However, in other embodiments, according to the actual situation, the first connecting piece 1461 and the first supporting bracket 131 are separated from each other, that is, the first connecting piece 1461 and the first supporting bracket 131 are not connected to each other. The first threaded rod 1462 is connected between the second supporting bracket 141 and the first connecting piece 1461. The first threaded rod 1462 is configured to rotate relative to the second supporting bracket 141 and the first connecting piece 1461, and the first moving part 147 is coupled to the first threaded rod 1462. The first guiding rod 1463 passes through the first moving part 147 and is connected between the second supporting bracket 141 and the first connecting piece 1461. The first guiding rod 1463, the first threaded rod 1462, and the second track 142 are parallel to each other and extend along the first direction D1 respectively. By rotating the first threaded rod 1462 and being limited and guided by the first guiding rod 1463 at the same time, the first moving part 147 can move along the first guiding rod 1463 and the first threaded rod 1462, so as to movably connect the front module 111 connected to the first moving part 147 in the first direction D1.

[0047] Please refer to Figure 6 . Figure 6 To illustrate Figures 1 - 2 a three-dimensional schematic diagram of the second auxiliary supporting bracket 150. In this embodiment, as Figure 6 shown, the second auxiliary supporting bracket 150 includes a third supporting bracket 151, a plurality of third tracks 152, a third limiting bracket 153, a second chassis 154, a plurality of third level adjusters 155, a second driving part 156, and a second moving part 157. The third supporting bracket 151 is detachably connected to the first supporting bracket 131 (please see Figures 1 - 2 ). The third tracks 152 are arranged on the third supporting bracket 151 and are aligned with the first tracks 132 (please see Figures 1 - 2 ). The third limiting bracket 153 supports and fixes the third supporting bracket 151. The second chassis 154 is detachably connected to at least another corresponding one in the anchoring seat 134 (please see Figures 1 - 2)。The third level adjuster 155 is respectively connected between the second chassis 154 and the third limit bracket 153, and is configured to move the third limit bracket 153 relative to the second chassis 154 in the third direction D3, so as to adjust the distance between the second chassis 154 and the third limit bracket 153. The second driving part 156 is connected to the third supporting bracket 151. For example, in the present embodiment, the second driving part 156 can also be detachably connected to the first supporting bracket 131. However, in other embodiments, according to the actual situation, the second driving part 156 and the first supporting bracket 131 are separated from each other, that is, the second driving part 156 and the first supporting bracket 131 are not connected to each other. The second moving part 157 is configured to be detachably connected to the rear module 112 (please see Figures 1 - 2 ), the second driving part 156 is connected to the second moving part 157 and is configured to drive the second moving part 157 to move.

[0048] Furthermore, the second driving part 156 and the second moving part 157 are located between the third rails 152, that is, the third rails 152 are separated from each other, so as to provide more stable support for the rear module 112.

[0049] More specifically, the second driving part 156 includes a second connecting member 1561, a second threaded rod 1562 and at least one second guiding rod 1563. As described above, for example, in the present embodiment, the second connecting member 1561 can be detachably connected to the first supporting bracket 131. However, in other embodiments, according to the actual situation, the second connecting member 1561 and the first supporting bracket 131 are separated from each other, that is, the second connecting member 1561 and the first supporting bracket 131 are not connected to each other. The second threaded rod 1562 is connected between the third supporting bracket 151 and the second connecting member 1561, the second threaded rod 1562 is configured to rotate relative to the third supporting bracket 151 and the second connecting member 1561, and the second moving part 157 is coupled to the second threaded rod 1562. The second guiding rod 1563 passes through the second moving part 157 and is connected between the third supporting bracket 151 and the second connecting member 1561. The second guiding rod 1563, the second threaded rod 1562 and the third rail 152 are parallel to each other and respectively extend along the first direction D1. By rotating the second threaded rod 1562 and being simultaneously limited and guided by the second guiding rod 1563, the second moving part 157 can move along the second guiding rod 1563 and the second threaded rod 1562, so as to move and connect the rear module 112 connected to the second moving part 157 in the first direction D1.

[0050] Furthermore, as Figure 5 shown, the first threaded rod 1462 has a first length L1, as Figure 6As shown, the second threaded rod 1562 has a second length L2. In practical applications, the first length L1 is different from the second length L2, that is, the maximum stroke of the first moving part 147 is different from the maximum stroke of the second moving part 157. In this way, the moving amplitudes of the front module 111 and the rear module 112 in the first direction D1 can be different, thereby improving the usage flexibility of the beam shaping device 100. For example, according to the actual situation, the second length L2 can be greater than the first length L1, that is, the moving amplitude of the rear module 112 in the first direction D1 is greater than the moving amplitude of the front module 111 in the first direction D1.

[0051] In summary, the technical solutions disclosed in the above embodiments of the present invention have at least the following advantages:

[0052] (1) By detachably connecting the opposite sides of the main support bracket along the first direction through the first auxiliary support bracket and the second auxiliary support bracket, the front module and the rear module can move relative to the main support bracket respectively, so that the front module and the rear module can move away from or close to each other. This can make the space utilization of the environment where the beam shaping device is located better, thus facilitating the user to operate, repair or maintain the accelerator and its attached beam tube body. Moreover, when the first auxiliary support bracket and the second auxiliary support bracket no longer support the front module and the rear module, the first auxiliary support bracket and the second auxiliary support bracket can be removed, which is beneficial to saving space.

[0053] (2) Since the movements of the front module and the rear module provided on the main support bracket in the first direction, the second direction and the third direction are achieved through independent mechanisms, that is, the movements of the front module and the rear module in the first direction, the second direction and the third direction do not affect or interfere with each other. Therefore, the user can accurately adjust the positions and horizontal heights of the front module and the rear module, which is beneficial to improving the operation effect of the beam shaping device.

[0054] (3) Since the maximum stroke of the first moving part is different from the maximum stroke of the second moving part, the moving amplitudes of the front module and the rear module in the first direction can be different, thereby improving the usage flexibility of the beam shaping device.

[0055] Although the present invention has been disclosed as above in the embodiments, it is not intended to limit the present invention. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the scope defined by the appended claims.

[0056]

Symbol Description

[0057] 100: Beam shaping device

[0058] 110: Beam shaping body

[0059] 111: Front module

[0060] 112: Rear module

[0061] 130: Main support bracket

[0062] 131: First support bracket

[0063] 132: First track

[0064] 133: First limit bracket

[0065] 134: Anchoring seat

[0066] 135: First horizontal adjuster

[0067] 140: First auxiliary support bracket

[0068] 141: Second support bracket

[0069] 142: Second track

[0070] 143: Second limit bracket

[0071] 144: First chassis

[0072] 145: Second horizontal adjuster

[0073] 146: First driving part

[0074] 1461: First connecting part

[0075] 1462: First threaded rod

[0076] 1463: First guiding rod

[0077] 147: First moving part

[0078] 150: Second auxiliary support bracket

[0079] 151: Third support bracket

[0080] 152: Third track

[0081] 153: Third limit bracket

[0082] 154: Second chassis

[0083] 155: Third horizontal adjuster

[0084] 156: Second driving part

[0085] 1561: Second connecting part

[0086] 1562: Second threaded rod

[0087] 1563: Second guiding rod

[0088] 157: Second moving part

[0089] 200: Neutron source

[0090] 300: Floor

[0091] D1: First direction

[0092] D2: Second direction

[0093] D3: Third direction

[0094] H1: First screw hole

[0095] H2: Second screw hole

[0096] H3: Third screw hole

[0097] L1: First length

[0098] L2: Second length

[0099] S1: First screw

[0100] S2: Second screw

[0101] S3: Third screw

[0102] WS: Working space.

Claims

1. A beam shaping device, characterized in that, Comprising: A beam shaper, comprising: A front module; And A rear module, defining an operation space therewith together with the front module, the operation space being configured to accommodate a neutron source; and A main support bracket, configured to support the front module and the rear module, Wherein, the neutron source is configured to generate a plurality of neutrons, and the beam shaper is configured to adjust the energy spectrum of the neutrons to generate a neutron beam.

2. The beam shaping device according to claim 1, characterized in that, The main support bracket comprises: A first support bracket; A plurality of first tracks, provided on the first support bracket, the front module and the rear module are respectively configured to be movably provided on the first tracks; A first limit bracket, the first support bracket is movably connected to the first limit bracket; A plurality of anchoring seats, separated from each other and provided on a floor; And A plurality of first horizontal adjusters, respectively connected between a corresponding one of the anchoring seats and the first limit bracket.

3. The beam shaping device according to claim 2, characterized in that, The first tracks respectively extend along a first direction, the first support bracket is configured to move relative to the first limit bracket along the first direction and a second direction, the second direction being perpendicular to the first direction.

4. The beam shaping device according to claim 3, characterized in that, The first horizontal adjusters are respectively configured to adjust the position of the first limit bracket relative to a corresponding one of the anchoring seats along a third direction, the third direction being perpendicular to the first direction and the second direction.

5. The beam shaping device according to claim 2, characterized in that, Further comprising: A first auxiliary support bracket, detachably connected to the main support bracket and the front module, and configured to move the front module relative to the main support bracket; And A second auxiliary support bracket, detachably connected to the main support bracket and the rear module, and configured to move the rear module relative to the main support bracket.

6. The beam shaping device according to claim 5, characterized in that, The first tracks respectively extend along a first direction, the front module and the rear module are arranged along the first direction, and the first auxiliary support bracket and the second auxiliary support bracket are detachably connected to opposite sides of the main support bracket along the first direction.

7. The beam shaping device according to claim 5, characterized in that, The first auxiliary support bracket comprises: A second support bracket, detachably connected to the first support bracket; A plurality of second tracks, provided on the second support bracket and aligned with the first tracks; A second limit bracket, supporting and fixing the second support bracket; A first chassis, detachably connected to at least one of the anchoring seats; A plurality of second horizontal adjusters, respectively connected between the first chassis and the second limit bracket, and configured to adjust the distance between the first chassis and the second limit bracket; A first driving part, connected to the second support bracket; And A first moving part, configured to be detachably connected to the front module, the first driving part is connected to the first moving part and configured to drive the first moving part to move.

8. The beam shaping device according to claim 7, characterized in that, The first driving part and the first moving part are located between the second tracks.

9. The beam shaping device according to claim 7, characterized in that, The first driving part comprises: A first connecting member; A first threaded rod, connected between the second support bracket and the first connecting member, the first threaded rod is configured to rotate relative to the second support bracket and the first connecting member, and the first moving part is coupled to the first threaded rod; And At least one first guide rod, passing through the first moving part, and connected between the second support bracket and the first connecting member, the first guide rod, the first threaded rod and the second tracks are parallel to each other.

10. The beam shaping device according to claim 9, characterized in that, The second auxiliary support bracket comprises: A third support bracket, detachably connected to the first support bracket; A plurality of third tracks are disposed on the third support bracket and aligned with the first tracks; A third limiting bracket supports and fixes the third support bracket; A second chassis is detachably connected to at least another corresponding one of the anchoring seats; A plurality of third horizontal adjusters are respectively connected between the second chassis and the third limiting bracket and are configured to adjust the distance between the second chassis and the third limiting bracket; A second driving part is connected to the third support bracket; and A second moving part is configured to be detachably connected to the rear module, and the second driving part is connected to the second moving part and is configured to drive the second moving part to move.

11. The beam shaping device according to claim 10, characterized in that, The second driving part and the second moving part are located between the third tracks.

12. The beam shaping device according to claim 10, characterized in that, The second driving part includes: A second connecting member; A second threaded rod is connected between the third support bracket and the second connecting member. The second threaded rod is configured to rotate relative to the third support bracket and the second connecting member, and the second moving part is coupled to the second threaded rod; and At least one second guiding rod passes through the second moving part and is connected between the third support bracket and the second connecting member. The second guiding rod, the second threaded rod and the third tracks are parallel to each other.

13. The beam shaping device according to claim 12, characterized in that, The first threaded rod has a first length, and the second threaded rod has a second length, and the second length is different from the first length.

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