WO2022057085A1 - 一种治疗床公转结构及加速器治疗床 - Google Patents

一种治疗床公转结构及加速器治疗床 Download PDF

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Publication number
WO2022057085A1
WO2022057085A1 PCT/CN2020/131594 CN2020131594W WO2022057085A1 WO 2022057085 A1 WO2022057085 A1 WO 2022057085A1 CN 2020131594 W CN2020131594 W CN 2020131594W WO 2022057085 A1 WO2022057085 A1 WO 2022057085A1
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Prior art keywords
transmission
power
assembly
transmission wheel
wheel
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PCT/CN2020/131594
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English (en)
French (fr)
Inventor
殷守蕴
姚毅
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苏州雷泰医疗科技有限公司
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Priority claimed from CN202022017859.7U external-priority patent/CN212522748U/zh
Priority claimed from CN202010970171.2A external-priority patent/CN112043975A/zh
Application filed by 苏州雷泰医疗科技有限公司 filed Critical 苏州雷泰医疗科技有限公司
Publication of WO2022057085A1 publication Critical patent/WO2022057085A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters

Definitions

  • the invention belongs to the field of medical equipment of an accelerator radiation therapy bed, in particular to a revolution structure of a therapy bed and an accelerator therapy bed.
  • the accelerator treatment couch is an important part of the accelerator, which is the accelerator treatment platform.
  • the revolution component of the treatment couch is an integral part of its dynamic treatment.
  • Most of the existing accelerator revolutions are in the form of a combination of a central rotating shaft and orbital rail wheels, the central rotating shaft and the circumferential orbital rail wheels are formed by casting, and the orbital surface requires processes such as quenching.
  • the roller installation of the casting track requires high precision to ensure the smoothness and precision of the rotation.
  • the prior art requires a higher assembly process and manufacturing process, and not only that, its mass production cost is high, and it is not suitable for large-scale promotion.
  • the present invention proposes a revolving structure of a treatment couch and an accelerator treatment couch.
  • the present invention discloses a revolving structure of a treatment bed, comprising: a base and a bed mounting plate, and further comprising:
  • the slewing bearing is arranged between the base and the bed mounting plate.
  • One side of the slewing bearing is fixedly connected to the base, and the other side is slidably connected to the bed mounting plate through the transmission medium and the power transmission assembly. relative rotation occurs;
  • the power component is used to provide the driving force for the relative rotation of the bed mounting plate and the slewing bearing;
  • a power transmission assembly the power input end of the power transmission assembly is drivingly connected with the power output end of the power transmission assembly, and the power output end of the power transmission assembly is fixedly connected with the bed mounting plate.
  • the transmission medium can be a transmission belt or a chain or a gear.
  • one end of the transmission medium is fixed by the first transmission belt fixing plate, then bypasses the power transmission assembly, and the other end is fixed by the second transmission belt fixing plate;
  • the first conveyor belt fixing plate and the second conveyor belt fixing plate are respectively fixedly connected with the bed mounting plate.
  • the first conveyor belt fixing plate and the second conveyor belt fixing plate are arranged symmetrically.
  • the power transmission assembly includes: a power transmission mounting plate and a first transmission wheel, a second transmission wheel, a third transmission wheel, a first idler wheel assembly and a second idler wheel assembly arranged on the power transmission installation plate;
  • the first transmission wheel and the second transmission wheel are coaxially arranged, and the first transmission wheel is in driving connection with the power output end of the power assembly through the third transmission belt;
  • the transmission medium After one end of the transmission medium is fixed by the first transmission belt fixing plate, it bypasses the second transmission wheel, the first idler wheel assembly, the second idler wheel assembly and the third transmission wheel in sequence, and the other end of the transmission medium is fixed by the second transmission belt fixing plate .
  • an encoder is also installed on the rotating shaft of the third transmission wheel.
  • the bed mounting plate is provided with a first placement groove and a second placement groove that are symmetrically arranged, and a first annular groove and a second annular groove that are symmetrically arranged;
  • the first placement groove is used for placing the first conveyor belt fixing plate
  • the first annular groove is used for placing a section of the conveying medium from the first conveying belt fixing plate to the second conveying wheel;
  • the second placement groove is used for placing the second conveyor belt fixing plate
  • the second annular groove is used to accommodate a section of the conveying medium from the second conveying belt fixing plate to the third conveying wheel.
  • the power assembly includes: a power assembly mounting plate and a motor disposed on the power assembly mounting plate, a fourth transmission wheel, a fifth transmission wheel, a sixth transmission wheel, a seventh transmission wheel, an eighth transmission wheel, and a clutch and brakes;
  • the motor output shaft is coaxially arranged with the fourth transmission wheel
  • the fourth transmission wheel is drivingly connected with the fifth transmission wheel through the first transmission belt;
  • the fifth transmission wheel, the clutch and the sixth transmission wheel are coaxially arranged;
  • the sixth transmission wheel is drivingly connected with the seventh transmission wheel through the second transmission belt;
  • the brake, the seventh transmission wheel and the eighth transmission wheel are coaxially arranged;
  • the eighth transmission wheel is drivingly connected with the first transmission wheel through the third transmission belt.
  • the base is an annular structure
  • the power assembly is arranged in the inner circular through hole of the base, and the power transmission assembly is arranged outside the base;
  • the power assembly mounting plate of the power assembly and the power transmission mounting plate of the power transmission assembly have an integrated structure, and both the power assembly and the power transmission assembly are arranged on the outside of the base.
  • the present invention also discloses an accelerator treatment couch, including any of the above treatment couch revolution structures.
  • the invention adopts the slewing bearing to realize the function of revolution and rotation, and under the condition of ensuring the accuracy, one side of the slewing bearing is installed with the base, and the other side is installed with the bed mounting plate;
  • the slewing bearing is a mature structural part with higher precision.
  • FIG. 1 is a schematic structural diagram of a revolution structure of a treatment couch provided by an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of the revolution structure of the treatment bed provided by the embodiment of the present invention after removing the bed mounting plate.
  • FIG. 3 is an enlarged view of part A in FIG. 2 .
  • FIG. 4 is an enlarged view of part B in FIG. 2 .
  • FIG. 5 is a schematic structural diagram of a power transmission assembly provided by an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a power assembly provided by an embodiment of the present invention.
  • an embodiment of the present invention discloses a revolving structure of a treatment couch, including: a base 1 , a couch mounting plate 2 , a slewing bearing 3 , a power assembly 4 and a power transmission assembly 5 .
  • the slewing bearing 3 is arranged between the base 1 and the bed mounting plate 2, one side of the slewing bearing 3 is fixedly connected with the base 1, and the other side thereof is slidably connected with the bed mounting plate 2 through the transmission medium and the power transmission assembly 5, and the slewing bearing 3 Relative rotation can occur with the bed mounting plate 2;
  • the power assembly 4 is used to provide the driving force for the relative rotation of the bed mounting plate 2 and the slewing bearing 3;
  • the power input end of the power transmission assembly 5 is drivingly connected with the power output end of the power assembly 4 , and the power output end of the power transmission assembly 5 is fixedly connected with the bed mounting plate 2 .
  • the transmission medium is the transmission belt 6, and the transmission belt 6 can be made of radiation-proof material, which is strong in weather resistance. Material.
  • the above embodiment is further optimized.
  • One end of the transmission belt 6 is fixed by the first transmission belt fixing plate 7 , then bypasses the power transmission assembly 5 , and the other end is fixed by the second transmission belt fixing plate 8 ;
  • the first conveyor belt fixing plate 7 and the second conveyor belt fixing plate 8 are respectively fixedly connected with the bed mounting plate 2 .
  • the first conveyor belt fixing plate 7 and the second conveyor belt fixing plate 8 are arranged symmetrically.
  • the power transmission assembly 5 includes: a power transmission installation plate 50 and a first transmission wheel 51 , a second transmission wheel 52 , a third transmission wheel 53 , a first idler wheel assembly 54 and a second idler wheel arranged on the power transmission installation plate 50 component 55;
  • the first transmission wheel 51 and the second transmission wheel 52 are coaxially arranged, and the first transmission wheel 51 is drive-connected with the power output end of the power assembly 4 through the third transmission belt;
  • first conveyor belt fixing plate 7 After one end of the conveyor belt 6 is fixed by the first conveyor belt fixing plate 7, it bypasses the second transmission pulley 52, the first idler pulley assembly 54, the second idler pulley assembly 55, and the third transmission pulley 53 in sequence, and the other end passes through the first idler pulley 52.
  • Two conveyor belt fixing plates 8 are fixed.
  • the above-mentioned detouring manner of the conveyor belt 6 can prevent the meshing tooth profile of the conveyor belt 6 from contacting the bed mounting plate 2 , thereby improving the service life of the conveyor belt 6 .
  • the above-mentioned power transmission assembly 5 ensures the wrap angle requirement of the synchronous belt transmission.
  • the first idler pulley assembly 54 and the second idler pulley assembly 55 are adjustable, and the gap of the transmission belt 6 can be adjusted through the idler pulley assembly to ensure good accuracy.
  • the power transmission mounting plate 50 can be mounted on the base 1 but is not limited to.
  • an encoder 56 is also installed on the rotating shaft of the third transmission wheel 53 .
  • the encoder 56 provides position feedback for the control, so that the angle of rotation can be known in time.
  • the bed mounting plate 2 is provided with a first settling groove (not shown in the figure) and a second settling groove (not shown in the figure) and a first annular groove symmetrically set on the bed mounting plate 2 (not shown in the figure) and a second annular groove (not shown in the figure);
  • the first placement groove is used to place the first conveyor belt fixing plate 7;
  • the first annular groove is used for placing a section of the conveyor belt 6 from the first conveyor belt fixing plate 7 to the second conveyor wheel 52;
  • the second placement groove is used for placing the second conveyor belt fixing plate 8;
  • the second annular groove is used to accommodate a section of the conveyor belt 6 from the second conveyor belt fixing plate 8 to the third conveyor pulley 53 .
  • the power assembly 4 includes: a power assembly mounting plate 40 and a motor 41 , a fourth transmission wheel 44 , a fifth transmission wheel 45 , and a sixth transmission wheel arranged on the power assembly mounting plate 40 .
  • the output shaft of the motor 41 is coaxially arranged with the fourth transmission wheel 44;
  • the fourth transmission wheel 44 is in driving connection with the fifth transmission wheel 45 through the first transmission belt 91;
  • the fifth transmission wheel 45, the clutch 42 and the sixth transmission wheel 46 are coaxially arranged;
  • the sixth transmission wheel 46 is drivingly connected with the seventh transmission wheel 47 through the second transmission belt 92;
  • the brake 43, the seventh transmission wheel 47 and the eighth transmission wheel 48 are coaxially arranged;
  • the eighth transmission wheel 48 is drivingly connected with the first transmission wheel 51 through a third transmission belt (not shown in the figure).
  • the power assembly 4 provides power for the revolving structure of the present invention, at the same time provides it with a braking force to maintain the state, and provides a clutch 42 in the manual mode.
  • the base 1 is a ring-shaped structure
  • the power assembly 4 is disposed in the inner circular through hole of the base 1
  • the power transmission assembly 5 is disposed outside the base 1 . Adopting this setting method ensures the convenience of maintenance.
  • the power assembly mounting plate 40 of the power assembly 4 and the power transmission mounting plate 50 of the power transmission assembly 5 may have an integral structure, and the power assembly 4 and the power transmission assembly 5 are both disposed on the base 1 . outside.
  • the power assembly mounting plate 40 and the power transmission mounting plate 50 can be arranged in parallel with the base 1, vertically or at an angle (0° to 90°), and can be adjusted according to the actual situation, no matter which setting form , which are all within the protection scope of the present invention.
  • the transmission medium can be a chain or a gear.
  • the embodiment of the present invention also discloses an accelerator treatment couch, including the treatment couch revolution structure involved in any one of the above embodiments.
  • the present invention adopts the slewing bearing 3 to realize the function of revolution and rotation. Under the condition of ensuring the accuracy, one side of the slewing bearing 3 is installed with the base 1, and the other side is installed with the bed mounting plate 2;
  • the slewing bearing 3 is a mature structural part, and its precision is higher.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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Abstract

一种治疗床公转结构及加速器治疗床，治疗床公转结构包括：基座(1)、床安装板(2)、回转支承(3)、动力组件(4)以及动力传输组件(5)，回转支承(3)设置于基座(1)与床安装板(2)之间，回转支承(3)的一面与基座(1)固定连接，其另一面通过传输媒介和动力传输组件(5)与床安装板(2)滑动连接，回转支承(3)与床安装板(2)之间能够发生相对转动；动力组件(4)用于提供床安装板(2)与回转支承(3)发生相对转动的驱动力；动力传输组件(5)的动力输入端与动力组件(4)的动力输出端传动连接，动力传输组件(5)的动力输出端与床安装板(2)固定连接。采用回转支承(3)实现公转旋转功能，在保证精度的条件下，回转支承(3)的一侧与基座(1)安装、另一侧与床安装板(2)安装，安装更便捷，耗时更短，结构更可靠。

Description

一种治疗床公转结构及加速器治疗床 技术领域
本发明属于加速器放射治疗床的医疗设备领域，具体涉及一种治疗床公转结构及加速器治疗床。
背景技术
加速器治疗床是加速器重要组成部分，其是加速器治疗平台。治疗床公转组件是其完成动态治疗的不可缺失的一部分。现有的加速器公转多为采用中心旋转轴与轨道轨轮结合的形式，中心旋转轴和圆周轨道轨轮采用铸造形成，轨道面需要淬火等工艺。同时铸造轨道的滚轮安装需要很高的精度才能保证旋转的平顺以及精度。
现有技术需要更高的装配工艺和制造工艺，不仅如此，其量产成本高，不适宜大范围的推广。
发明内容
为了解决上述技术问题，本发明提出了一种治疗床公转结构及加速器治疗床。
为了达到上述目的，本发明的技术方案如下：
一方面，本发明公开一种治疗床公转结构，包括：基座以及床安装板，还包括：
回转支承，设置于基座与床安装板之间，回转支承的一面与基座固定连接，其另一面通过传输媒介和动力传输组件与床安装板滑动连接，回转支承与床安装板之间能够发生相对转动；
动力组件，用于提供床安装板与回转支承发生相对转动的驱动力；
动力传输组件，动力传输组件的动力输入端与动力组件的动力输出端传动连接，动力传输组件的动力输出端与床安装板固定连接。
在上述技术方案的基础上，还可做如下改进：
作为优选的方案，传输媒介能够为传输带或链条或齿轮。
作为优选的方案，传输媒介的一端通过第一传输带固定板固定，然后绕过动力传输组件，起另一端通过第二传输带固定板固定；
第一传输带固定板、第二传输带固定板分别与床安装板固定连接。
作为优选的方案，第一传输带固定板与第二传输带固定板呈对称设置。
作为优选的方案，动力传输组件包括：动力传输安装板以及设置于动力传输安装板上的第一传输轮、第二传输轮、第三传输轮、第一惰轮组件以及第二惰轮组件；
第一传输轮与第二传输轮同轴设置，且第一传输轮通过第三传动带与动力组件的动力输出端传动连接；
传输媒介的一端通过第一传输带固定板固定后，依次绕过第二传输轮、第一惰轮组件、第二惰轮组件、第三传输轮，其另一端通过第二传输带固定板固定。
作为优选的方案，第三传输轮的转动轴上还安装有编码器。
作为优选的方案，在床安装板上设有呈对称设置的第一安置槽和第二安置槽以及呈对称设置的第一环形槽和第二环形槽；
第一安置槽用于安放第一传输带固定板；
第一环形槽用于安放传输媒介从第一传输带固定板至第二传输轮的一段；
第二安置槽用于安放第二传输带固定板；
第二环形槽用于安放传输媒介从第二传输带固定板至第三传输轮的一段。
作为优选的方案，动力组件包括：动力组件安装板以及设置于动力组件安装板上的电机、第四传输轮、第五传输轮、第六传输轮、第七传输轮、第八传输轮、离合器和制动器；
电机输出轴与第四传输轮同轴设置；
第四传输轮通过第一传动带与第五传输轮传动连接；
第五传输轮、离合器和第六传输轮同轴设置；
第六传输轮通过第二传动带与第七传输轮传动连接；
制动器、第七传输轮和第八传输轮同轴设置；
第八传输轮通过第三传动带与第一传输轮传动连接。
作为优选的方案，基座为环状结构，动力组件设置于基座的内圆通孔内，动力传输组件设置于基座的外侧；
或，动力组件的动力组件安装板与动力传输组件的动力传输安装板为一体式结构，且动力组件与动力传输组件均设置于基座的外侧。
另一面，本发明还公开加速器治疗床，包括以上任一种治疗床公转结构。
本发明一种治疗床公转结构及加速器治疗床具有以下有益效果：
本发明采用回转支承实现了公转旋转功能，在保证精度的条件下，回转支承的一侧与基座安装、另一侧与床安装板安装；
在安装工艺上来说，只要保证回转支承安装面的同轴度要求，即可保证安装精度。
从安装时间上来说，其仅需要现有技术采用中心旋转轴与轨道轨轮结合形式的1/5时间即可完成整体的装配，耗时更短，同时在制造阶段也节省了热处理等工艺时间。
从结构可靠性来说，回转支承为成熟的结构件，其精度更高。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本发明的某些实施例，因此不应被看作是对范围的限定，对于本领域普通 技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1为本发明实施例提供的治疗床公转结构的结构示意图。
图2为本发明实施例提供的治疗床公转结构去除床安装板后的结构示意图。
图3为图2中A部放大图。
图4为图2中B部放大图。
图5为本发明实施例提供的动力传输组件的结构示意图。
图6为本发明实施例提供的动力组件的结构示意图。
其中：1-基座，2-床安装板，3-回转支承，4-动力组件，40-动力组件安装板40，41-电机，42-离合器，43-制动器，44-第四传输轮，45-第五传输轮，46-第六传输轮，47-第七传输轮，48-第八传输轮，5-动力传输组件，50-动力传输安装板，51-第一传输轮，52-第二传输轮，53-第三传输轮，54-第一惰轮组件，55-第二惰轮组件，56编码器，6-传输带，7-第一传输带固定板，8-第二传输带固定板，91-第一传动带，92-第二传动带。
具体实施方式
下面结合附图详细说明本发明的优选实施方式。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1-4所示，本发明实施例公开一种治疗床公转结构，包括： 基座1、床安装板2、回转支承3、动力组件4以及动力传输组件5。
回转支承3设置于基座1与床安装板2之间，回转支承3的一面与基座1固定连接，其另一面通过传输媒介和动力传输组件5与床安装板2滑动连接，回转支承3与床安装板2之间能够发生相对转动；
动力组件4用于提供床安装板2与回转支承3发生相对转动的驱动力；
动力传输组件5的动力输入端与动力组件4的动力输出端传动连接，动力传输组件5的动力输出端与床安装板2固定连接。
为了进一步地优化本发明的实施效果，在另外一些实施方式中，其余特征技术相同，不同之处在于，传输媒介为传输带6，传输带6可采用防辐射材料构成，其为耐候性强的材料。
如图5所示，进一步优化上述实施例，传输带6的一端通过第一传输带固定板7固定，然后绕过动力传输组件5，起另一端通过第二传输带固定板8固定；
第一传输带固定板7、第二传输带固定板8分别与床安装板2固定连接。
第一传输带固定板7与第二传输带固定板8呈对称设置。
动力传输组件5包括：动力传输安装板50以及设置于动力传输安装板50上的第一传输轮51、第二传输轮52、第三传输轮53、第一惰轮组件54以及第二惰轮组件55；
第一传输轮51与第二传输轮52同轴设置，且第一传输轮51通过第三传动带与动力组件4的动力输出端传动连接；
传输带6的一端通过第一传输带固定板7固定后，依次绕过第二传输轮52、第一惰轮组件54、第二惰轮组件55、第三传输轮53，其另一端通过第二传输带固定板8固定。
上述传输带6的绕行方式可以避免传输带6的啮合齿形与床安装板2接触，提高传输带6的使用寿命。
上述动力传输组件5保证了同步带传输具有的包角要求，同时第一惰轮组件54和第二惰轮组件55为可调节，通过惰轮组件可以调整传输带6的间隙，保证其由良好的精度。
动力传输安装板50可以但不限于安装于基座1上。
进一步优化上述实施例，第三传输轮53的转动轴上还安装有编码器56。编码器56为控制提供位置反馈，可以及时了解转动的角度。
进一步优化上述实施例，在床安装板2上设有呈对称设置的第一安置槽(图中未示出)和第二安置槽(图中未示出)以及呈对称设置的第一环形槽(图中未示出)和第二环形槽(图中未示出)；
第一安置槽用于安放第一传输带固定板7；
第一环形槽用于安放传输带6从第一传输带固定板7至第二传输轮52的一段；
第二安置槽用于安放第二传输带固定板8；
第二环形槽用于安放传输带6从第二传输带固定板8至第三传输轮53的一段。
如图6所示，进一步优化上述实施例，动力组件4包括：动力组件安装板40以及设置于动力组件安装板40上的电机41、第四传输轮44、第五传输轮45、第六传输轮46、第七传输轮47、第八传输轮48、离合器42和制动器43；
电机41输出轴与第四传输轮44同轴设置；
第四传输轮44通过第一传动带91与第五传输轮45传动连接；
第五传输轮45、离合器42和第六传输轮46同轴设置；
第六传输轮46通过第二传动带92与第七传输轮47传动连接；
制动器43、第七传输轮47和第八传输轮48同轴设置；
第八传输轮48通过第三传动带(图中未示出)与第一传输轮51传动连接。
动力组件4为本发明公转结构提供动力，同时为其提供保持状态 的制动力，同时为其手动模式下提供了离合器42。
进一步优化上述实施例，基座1为环状结构，动力组件4设置于基座1的内圆通孔内，动力传输组件5设置于基座1的外侧。采用该种设置方式，保证了维修的方便性。
当然，在其他实施例中，动力组件4的动力组件安装板40与动力传输组件5的动力传输安装板50可以为一体式结构，且动力组件4与动力传输组件5均设置于基座1的外侧。不仅如此，动力组件安装板40、动力传输安装板50可以与基座1呈平行设置、垂直设置或夹角(0°～90°)设置，根据具体的实际情况进行调整，不管哪种设置形式，其均在本发明的保护范围内。
为了进一步地优化本发明的实施效果，在另外一些实施方式中，其余特征技术相同，不同之处在于，传输媒介能够为链条或齿轮。
另一面，本发明实施例还公开加速器治疗床，包括以上任一种实施例中涉及的治疗床公转结构。
本发明一种治疗床公转结构及加速器治疗床具有以下有益效果：
本发明采用回转支承3实现了公转旋转功能，在保证精度的条件下，回转支承3的一侧与基座1安装、另一侧与床安装板2安装；
在安装工艺上来说，只要保证回转支承3安装面的同轴度要求，即可保证安装精度。
从安装时间上来说，其仅需要现有技术采用中心旋转轴与轨道轨轮结合形式的1/5时间即可完成整体的装配，耗时更短，同时在制造阶段也节省了热处理等工艺时间。
从结构可靠性来说，回转支承3为成熟的结构件，其精度更高。
上述实施例只为说明本发明的技术构思及特点，其目的在于让本领域普通技术人员能够了解本发明的内容并加以实施，并不能以此限制本发明的保护范围，凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围内。

Claims (10)

  1. 一种治疗床公转结构，包括：基座以及床安装板，其特征在于，还包括：
    回转支承，设置于所述基座与床安装板之间，所述回转支承的一面与所述基座固定连接，其另一面通过传输媒介和动力传输组件与所述床安装板滑动连接，所述回转支承与床安装板之间能够发生相对转动；
    动力组件，用于提供所述床安装板与回转支承发生相对转动的驱动力；
    动力传输组件，所述动力传输组件的动力输入端与所述动力组件的动力输出端传动连接，所述动力传输组件的动力输出端与所述床安装板固定连接。
  2. 根据权利要求1所述的治疗床公转结构，其特征在于，所述传输媒介能够为传输带或链条或齿轮。
  3. 根据权利要求1所述的治疗床公转结构，其特征在于，所述传输媒介的一端通过第一传输带固定板固定，然后绕过所述动力传输组件，起另一端通过第二传输带固定板固定；
    所述第一传输带固定板、第二传输带固定板分别与所述床安装板固定连接。
  4. 根据权利要求3所述的治疗床公转结构，其特征在于，所述第一传输带固定板与第二传输带固定板呈对称设置。
  5. 根据权利要求3所述的治疗床公转结构，其特征在于，所述动力传输组件包括：动力传输安装板以及设置于所述动力传输安装板上的第一传输轮、第二传输轮、第三传输轮、第一惰轮组件以及第二惰轮组件；
    所述第一传输轮与所述第二传输轮同轴设置，且所述第一传输轮通过第三传动带与所述动力组件的动力输出端传动连接；
    所述传输媒介的一端通过第一传输带固定板固定后，依次绕过第二 传输轮、第一惰轮组件、第二惰轮组件、第三传输轮，其另一端通过所述第二传输带固定板固定。
  6. 根据权利要求5所述的治疗床公转结构，其特征在于，所述第三传输轮的转动轴上还安装有编码器。
  7. 根据权利要求5所述的治疗床公转结构，其特征在于，在所述床安装板上设有呈对称设置的第一安置槽和第二安置槽以及呈对称设置的第一环形槽和第二环形槽；
    所述第一安置槽用于安放所述第一传输带固定板；
    所述第一环形槽用于安放所述传输媒介从所述第一传输带固定板至所述第二传输轮的一段；
    所述第二安置槽用于安放所述第二传输带固定板；
    所述第二环形槽用于安放所述传输媒介从所述第二传输带固定板至所述第三传输轮的一段。
  8. 根据权利要求5-7任一项所述的治疗床公转结构，其特征在于，所述动力组件包括：动力组件安装板以及设置于所述动力组件安装板上的电机、第四传输轮、第五传输轮、第六传输轮、第七传输轮、第八传输轮、离合器和制动器；
    所述电机输出轴与所述第四传输轮同轴设置；
    所述第四传输轮通过第一传动带与所述第五传输轮传动连接；
    所述第五传输轮、离合器和第六传输轮同轴设置；
    所述第六传输轮通过第二传动带与所述第七传输轮传动连接；
    所述制动器、第七传输轮和第八传输轮同轴设置；
    所述第八传输轮通过第三传动带与所述第一传输轮传动连接。
  9. 根据权利要求8所述的治疗床公转结构，其特征在于，所述基座为环状结构，所述动力组件设置于所述基座的内圆通孔内，所述动力传输组件设置于所述基座的外侧；
    或，所述动力组件的动力组件安装板与所述动力传输组件的动力传 输安装板为一体式结构，且所述动力组件与所述动力传输组件均设置于所述基座的外侧。
  10. 加速器治疗床，其特征在于，包括如权利要求1-9任一项所述的治疗床公转结构。
PCT/CN2020/131594 2020-09-15 2020-11-26 一种治疗床公转结构及加速器治疗床 WO2022057085A1 (zh)

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