Scanning bed and medical imaging equipment with same
阅读说明:本技术 扫描床及具有其的医疗影像设备 (Scanning bed and medical imaging equipment with same ) 是由 王玥 高治理 房伟 运晓靖 于 2019-10-23 设计创作,主要内容包括:本发明公开一种扫描床及具有其的医疗影像设备。其中所述扫描床包括包括底座、位于底座上方的床板、支撑床板的剪叉臂,以及与剪叉臂相连的驱动装置,所述驱动装置用于驱动所述剪叉臂运动以实现所述床板的升降,所述驱动装置包括电机、谐波传动减速器、齿轮组件以及导向件,所述谐波传动减速器连接于所述电机的输出轴,所述齿轮组件与所述谐波传动减速器相连,所述电机可动的安装于所述导向件上,所述电机通过所述谐波传动减速器带动所述齿轮组件运转,所述齿轮组件运转带动所述电机沿所述导向件移动,所述电机移动推动所述剪叉臂运动。本发明公开的扫描床,运动力矩和速比范围大,具有升降速度快、升降精度高、运动平稳的优点。(The invention discloses a scanning bed and medical imaging equipment with the same. Wherein the scanning bed includes the base, is located the bed board of base top, supports the scissors arm of bed board to and the drive arrangement who links to each other with the scissors arm, drive arrangement is used for the drive scissors arm motion is in order to realize the lift of bed board, drive arrangement includes motor, harmonic drive reduction gear, gear assembly and guide, harmonic drive reduction gear connect in the output shaft of motor, the gear assembly with the harmonic drive reduction gear links to each other, the motor movable install in on the guide, the motor passes through the harmonic drive reduction gear drives the gear assembly operation, the gear assembly operation drives the motor is followed the guide removes, the motor removes the promotion scissors arm motion. The scanning bed disclosed by the invention has the advantages of large range of motion moment and speed ratio, high lifting speed, high lifting precision and stable motion.)
1. The utility model provides a scanning bed, its includes the base, is located the bed board of base top, support the scissor arm of bed board, and with the drive arrangement that scissor arm links to each other, drive arrangement is used for the drive scissor arm motion is in order to realize the lift of bed board, a serial communication port, drive arrangement includes motor, harmonic drive reduction gear, gear assembly and guide, harmonic drive reduction gear connect in the output shaft of motor, the gear assembly with the harmonic drive reduction gear links to each other, the motor is movable install in on the guide, the motor passes through the harmonic drive reduction gear drives the gear assembly operation, the gear assembly operation drives the motor is followed the guide removes, the motor removes the promotion scissor arm motion.
2. The scanning bed of claim 1 wherein said motor is horizontally disposed on said base, a central axis of an output shaft of said motor being parallel to said base, said motor moving horizontally on said base.
3. The scanning bed of claim 1, wherein the driving device further comprises a motor bracket, a supporting shaft and a coupling, the gear assembly comprises a driving gear, one end of the supporting shaft is connected with the harmonic drive reducer through the coupling, and the driving gear is connected to the supporting shaft and is erected on the motor bracket by the supporting shaft.
4. The scanning bed of claim 3 wherein a first sliding member is fixed to the motor bracket, the first sliding member being mounted to the guide, the driving gear driving the support shaft, motor, harmonic drive reducer, coupling, and motor bracket to slide generally along the guide.
5. The scanning bed of claim 4, wherein the motor support comprises a first support and a second support spaced apart from each other, the drive gear is supported between the first support and the second support, and a bearing is sleeved on the support shaft between the drive gear and the first support and/or the second support.
6. The scanning bed of claim 3 wherein said gear assembly further comprises a driven gear and a rack secured to said base, said drive gear being in mesh with said driven gear, said driven gear being in mesh with said rack.
7. The scanning bed of claim 6 wherein the driven gear is connected to a driven shaft, and wherein a second slider is connected to both ends of the driven shaft, and wherein the guide comprises a guide rail disposed on the base, and wherein the second slider slides along the guide rail.
8. The scanning bed of claim 1, wherein the scissor arms comprise a first scissor arm and a second scissor arm arranged in a crossed manner, a lower end of the first scissor arm is connected to the driving device, an upper end of the first scissor arm is hinged to the bed plate, an upper end of the second scissor arm is slidably connected to the bed plate, and a lower end of the second scissor arm is hinged to the base.
9. The scanning bed as claimed in claim 8, wherein the second scissor arm is provided with a power-assisted wheel near the lower end thereof, the base is correspondingly provided with a power-assisted wheel table for supporting the power-assisted wheel, and the power-assisted wheel table is provided with a power-assisted slope for the power-assisted wheel to move.
10. A medical imaging apparatus comprising a scanning bed according to any one of claims 1 to 9.
Technical Field
The invention relates to the technical field of medical equipment, in particular to a scanning bed and medical imaging equipment with the same.
Background
Large medical imaging devices generally have a scanning bed for supporting a subject, and the scanning bed is usually moved up and down to bring the subject to a detection position.
Disclosure of Invention
The invention provides a scanning bed and medical imaging equipment with the same.
In order to achieve the above purpose, the present invention provides a scanning bed, which includes a base, a bed plate located above the base, a scissor arm supporting the bed plate, and a driving device connected to the scissor arm, wherein the driving device is configured to drive the scissor arm to move so as to lift the bed plate, the driving device includes a motor, a harmonic transmission reducer, a gear assembly, and a guide, the harmonic transmission reducer is connected to an output shaft of the motor, the gear assembly is connected to the harmonic transmission reducer, the motor is movably mounted on the guide, the motor drives the gear assembly to operate through the harmonic transmission reducer, the gear assembly operates to drive the motor to move along the guide, and the motor moves to push the scissor arm to move.
Optionally, the motor is horizontally disposed on the base, a central axis of an output shaft of the motor is parallel to the base, and the motor moves horizontally on the base.
Optionally, the driving device further comprises a motor support, a supporting shaft and a coupler, the gear assembly comprises a driving gear, one end of the supporting shaft is connected with the harmonic drive reducer through the coupler, the driving gear is connected to the supporting shaft, and the supporting shaft is erected on the motor support.
Optionally, a first sliding part is fixed on the motor support, the first sliding part is assembled on the guide part, and the driving gear drives the support shaft, the motor, the harmonic drive reducer, the coupler and the motor support to integrally slide along the guide part.
Optionally, the motor support includes a first support and a second support that are arranged at an interval, the drive gear is arranged between the first support and the second support, and a bearing is sleeved on the support shaft between the drive gear and the first support and/or the second support.
Optionally, the gear assembly further comprises a driven gear and a rack fixed on the base, the driving gear is meshed with the driven gear, and the driven gear is meshed with the rack.
Optionally, the driven gear is connected with a driven shaft, two ends of the driven shaft are connected with second sliding parts, the guide part comprises a guide rail arranged on the base, and the second sliding parts slide along the guide rail.
Optionally, the scissors arm includes first scissors arm and second scissors arm of cross arrangement, the lower extreme of first scissors arm connect in drive arrangement is last, its upper end with the bed board is articulated, the upper end of second scissors arm with bed board sliding connection, its lower extreme with the base is articulated.
Optionally, the second scissor arm is provided with a power-assisted wheel near the lower end thereof, the base is correspondingly provided with a power-assisted wheel platform for supporting the power-assisted wheel, and the power-assisted wheel platform is provided with a power-assisted inclined plane for the power-assisted wheel to move.
The invention also provides medical imaging equipment comprising the scanning bed in any technical scheme.
According to the scanning bed provided by one embodiment of the invention, the motor is used as a power source, and the harmonic drive reducer is matched to increase the torque and obtain a large-range speed ratio, so that a large load can be borne and the lifting speed is high; and adopt the gear assembly to carry out the transmission, have the advantage that transmission precision is high, the motion is more steady.
Drawings
Fig. 1 is a perspective view of a scanning bed according to an embodiment of the present invention.
FIG. 2 is a perspective view of another angle of view of a scanning bed according to an embodiment of the present invention.
Fig. 3 is a side view of a scanning couch in accordance with an embodiment of the present invention.
Fig. 4 is an exploded view of a part of the components of the driving apparatus of the scanning bed according to the embodiment of the present invention.
Fig. 5 is a combination diagram of parts of a driving device of a scanning bed according to an embodiment of the present invention.
Fig. 6 is a partial cross-sectional view of the components shown in fig. 5.
FIG. 7 is a perspective view of a scissor arm of a scanning bed according to an embodiment of the invention.
The reference numbers illustrate: 1-a base; 11-a power-assisted wheel table; 111-a power-assisted slope; 2-bed board; 21-bed board bearing seat; 22-a chute; 3-shearing a fork arm; 31-a first scissor arm; 311-lower end of first scissor arm; 312 — an upper end of the first scissor arm; 32-a second scissor arm; 321-a lower end of the second scissor arm; 322-the upper end of the second scissor arm; 323-booster wheel; 33-scissor arm shaft; 4-a drive device; 41-a motor; 411-output shaft; 412-a coupling; 413-motor mount 4131-first mount; 4132-a second bracket; 4133-first slide; 414-a bearing; 415-supporting the shaft; 43-a gear assembly; 431-a drive gear; 432-a driven gear; 4321-driven shaft; 4322-driven bearing seat; 4323-second slide; 433-rack; 44-a guide; 441-a guide shaft; 4411-guide shaft bearings; 442-guide rail.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The scanning bed and the medical imaging apparatus having the same according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, a scanning bed according to an embodiment of the present invention includes a
Referring to fig. 4 to 6, the
A first slider 4133 is fixed below the
Referring to fig. 1 and 2, the
With continued reference to fig. 2 and 4, the
Referring to fig. 3 and 7, the
The following describes the lifting process of the scanning bed in an embodiment of the invention with reference to fig. 1 to 4: when the bed plate 22 needs to be lifted, the motor 41 is started, the output shaft 411 of the motor 41 drives the support shaft 415 to rotate through the harmonic transmission reducer 42 and the coupler 412, the support shaft 415 drives the driving gear 431 to rotate, the driving gear 431 rotates to drive the driven gear 432 meshed with the driving gear 431 to rotate, and the rack 433 meshed with the driven gear 432 is fixed, so that the rotation of the driven gear 432 is converted into forward rolling along the rack 433, and therefore the driving gear 431, the motor 41 assembled with the driving gear 431 and the motor support 413 assembled with the driving gear are horizontally moved forwards in a sliding manner, and the scissor arms 3 are pushed to stand up to push the bed plate 22 to ascend; similarly, when the bed plate 22 needs to be lowered, the motor 41 is started, the rotating direction of the output shaft 411 is opposite to that when the bed plate 22 is raised, the output shaft 411 of the motor 41 drives the support shaft 415 to rotate reversely through the harmonic transmission reducer 42 and the coupler 412, the support shaft 415 drives the driving gear 431 to rotate, the driving gear 431 rotates to drive the driven gear 432 meshed with the driving gear 431 to rotate, the rack 433 meshed with the driven gear 432 is fixed, the rotation of the driven gear 432 is converted into backward rolling along the rack 433, and therefore the horizontal backward sliding motion of the driving gear 431, the motor 41 assembled with the driving gear 431 and the motor support 413 is realized, and the fork arm 3 is further pushed to tend to be transverse to drive the bed plate 22 to be lowered. According to the scanning bed provided by one embodiment of the invention, the
The invention also provides medical imaging equipment comprising the scanning bed. The medical Imaging device may be a Computed Tomography Imaging device (CT), a Magnetic Resonance Imaging device (MRI), a positron emission Computed Tomography Imaging device (PET-CT), an X-Ray device, or the like. The medical imaging equipment provided by the invention has the beneficial effects due to the scanning bed.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.