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WO2024032357A1 - 射线源机构及静态计算机断层扫描设备 - Google Patents

射线源机构及静态计算机断层扫描设备 Download PDF

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Publication number
WO2024032357A1
WO2024032357A1 PCT/CN2023/108790 CN2023108790W WO2024032357A1 WO 2024032357 A1 WO2024032357 A1 WO 2024032357A1 CN 2023108790 W CN2023108790 W CN 2023108790W WO 2024032357 A1 WO2024032357 A1 WO 2024032357A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
working surface
shaped member
frame
mechanism according
Prior art date
Application number
PCT/CN2023/108790
Other languages
English (en)
French (fr)
Inventor
陈志强
张丽
李元景
黄清萍
季超
周勇
丁辉
Original Assignee
清华大学
同方威视技术股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 清华大学, 同方威视技术股份有限公司 filed Critical 清华大学
Publication of WO2024032357A1 publication Critical patent/WO2024032357A1/zh

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A61B6/035—Mechanical aspects of CT
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor

Definitions

  • At least one embodiment of the present disclosure relates to a static computed tomography apparatus, and more particularly, to a radiation source mechanism and a static computed tomography apparatus.
  • the detector mechanism of static computed tomography equipment (static CT) is mostly installed between the radiation source mechanism and the channel.
  • static CT static computed tomography equipment
  • the radiation source mechanism used in static computed tomography equipment is large in size and weight.
  • a hoist such as a crane, crane, gantry crane, etc.
  • the present disclosure provides a radiation source mechanism and a static computed tomography scanning device, which can move the radiation source mechanism by pushing the radiation source mechanism to detect the The detector mechanism covered by the ray source mechanism is installed, repaired or replaced.
  • a ray source mechanism which is suitable for being installed on a frame of a computed tomography equipment and includes: a body, suitable for outputting rays; and a pulling component, suitable for limiting the relative position of the body to a position of the frame and allowing the body to rotate about a first axis of the pulling assembly between a closed position proximate the frame and an open position remote from the frame; and a first support assembly mounted on The lower end of the body is used to support the lower end of the body to rotate smoothly around the first axis relative to the first working surface located below the first support component; wherein a part of the first support component has a The disengagement state of the first working surface and the contact state with the first working surface during the body disengaging from the closed position to adjust the contact area between the first support component and the first working surface .
  • the first support component when the first support component is in the contact state, the first support component forms rolling friction with the first working surface.
  • the pulling component includes: a first connecting piece installed on the body; and a pivoting portion pivotably provided on the first connecting piece and the machine. between the frames to support the rotation of the body between the closed position and the open position.
  • the pulling assembly further includes a first locking member adapted to limit the movement of the first connecting member relative to the frame when the pivoting portion is in a closed position. move.
  • the first connecting member is configured to include a block structure disposed on the body and adapted to be connected to the pulling component.
  • the first connecting member is configured to include a frame structure, and the first connecting member includes: a bottom plate, installed on the upper end of the body; a side plate, orthogonal to the bottom plate , and is attached to the mounting surface of the frame through the first locking piece; and a longitudinal plate is orthogonal to both the bottom plate and the side plate, and is suitable for connection with one end of the pivot part.
  • the first locking member includes a first bolt, the first bolt is detachably provided between the side plate and the frame, and is suitable for connecting the first connection The piece remains in contact with the frame.
  • the pivot part includes: a first hinge base, which is provided on the frame; and a pull rod, one end of which is pivotably provided on the first hinge base.
  • the other end of the pull rod is suitable for connection with the first connecting piece; wherein the axis of rotation of the pull rod around the first hinge base defines the first axis.
  • the pivot part further includes a second hinge seat, the second hinge seat is installed on the end surface of the first connecting member facing the pull rod, and the pull rod The other end is pivotably mounted on the second hinge base, so that the pull rod has a degree of freedom to rotate around the second axis of the second hinge base.
  • the upper end surface of the first working surface is provided with at least one arc-shaped groove
  • the arc center of the arc-shaped groove is located on the first axis
  • the first support assembly includes : a plate-shaped member, suitable for providing a support body, at least a part of the plate-shaped member is provided with a through hole at a position corresponding to each of the arc-shaped grooves; and a telescopic portion, provided on the plate-shaped member and at least A part of the through hole corresponds to the position.
  • the telescopic part includes a universal ball disposed at an end of the telescopic part facing the first working surface, and the universal ball is configured to interact with the first working surface. move between the contact position of surface contact and the disengagement position of disengagement from the first working surface; wherein, when the first support component is in the disengagement state, the The universal ball is located in the through hole and is in a disengagement position away from the arc-shaped groove. When the first support component is in contact, at least a part of the universal ball protrudes from the through hole to The contact position is against the bottom of the arc-shaped groove and rolls along the arc-shaped groove with the rotation of the body.
  • the telescopic part further includes: a base, which is provided on the plate-shaped member; a screw rod, which is sleeved in the base and threadedly cooperates with the base; and A universal ball seat is provided at the lower end of the screw; wherein the universal ball is disposed in the universal ball seat.
  • the first supporting component further includes a second connecting member, and the second connecting member is adapted to constrain the body to the plate-shaped member.
  • the end of the second connecting member facing the body protrudes from the upper end surface of the plate-shaped member and extends into the body to connect the The body is limited to the plate-shaped member.
  • the first support component further includes a second locking member, which is detachably disposed between the plate-shaped member and the first working surface to limit the contact between the plate-shaped member and the first working surface. The relative position of the working surface.
  • the first working surface is further provided with at least one auxiliary arcuate groove, the arcuate groove and the auxiliary arcuate groove have the same arc center, and the auxiliary arcuate groove The radius of the arc-shaped groove is larger than the radius of the arc-shaped groove.
  • At least a portion of the plate-shaped member is provided with a through hole at a position corresponding to each of the auxiliary arc-shaped grooves; and a telescopic portion is provided between the plate-shaped member and at least A part of the through hole corresponds to the position.
  • a second support component is also included, which is disposed on the lower end surface of the plate-shaped member.
  • the second supporting component is abutted between the plate-shaped member and the second working surface parallel to the first working surface, so as to support the portion of the plate-shaped member extending from the first working surface relative to the second working surface.
  • the second working surface provides support.
  • the second support assembly includes a wheel-shaped component.
  • the wheel-shaped component When a part of the plate-shaped component is rotated away from the first working surface, the wheel-shaped component abuts against the first working surface.
  • the second working surface is used to support the plate-shaped component and guide the plate-shaped component to rotate along the second working surface.
  • the second supporting component is detachably installed on the lower end surface of the plate-shaped member.
  • the second support component is telescopically disposed on the lower end surface of the plate-shaped member, and is configured to be in a retracted position away from the second working surface and to abut against the second working surface. between extended positions on the second working surface.
  • An embodiment of the present disclosure also provides a computed tomography equipment including: a rack defining a detection channel suitable for placing a detected target; at least one detector mechanism including a plurality of detector arrays, disposed on the on the side wall of the frame; and at least one ray source mechanism according to any one of claims 1 to 1, at least one detector array is respectively disposed between the ray source mechanism and the frame; wherein, the ray source The mechanism is configured to move between a closed position shielding the detector mechanism and an open position exposing the detector mechanism.
  • the upper end of the frame extends outward in the horizontal direction to form a first protrusion, and the lower end of the frame forms a second protrusion parallel to the first protrusion.
  • the detector mechanism is disposed between the first protruding part and the second protruding part, and the first working surface is formed on the upper side of the second protruding part.
  • each detector mechanism is adapted to receive rays from a ray source mechanism far away from the detector mechanism and penetrating the detected target.
  • the detector mechanism is adapted to receive scattered rays based on scattering of rays from the detector mechanism from the detected target.
  • the pulling assembly is suitable for establishing a connection relationship between the upper part of the body and the frame, and during the process of rotating the body between the closed position and the open position, Pull the main body to prevent it from falling over.
  • the first support component is disposed between the body and the first working surface. When the body is in the closed position, a part of the first support component is in a detached state from the first working surface, so that at least the other parts of the first support component A part is in surface contact with the first working surface, so that the relative position of the body and the first working surface is maintained through the friction force formed between the first supporting component and the body's own weight, which is beneficial to maintaining the stability of the body. .
  • FIG. 1 is a perspective view of a static computed tomography device according to an illustrative embodiment of the present disclosure
  • Figure 2 is a perspective view of a radiation source mechanism according to an exemplary embodiment of the present disclosure
  • Figure 3 is an enlarged view of part A shown in Figure 2;
  • Figure 4 is a partial enlarged view of the first support assembly part of the radiation source mechanism of the illustrative embodiment shown in Figure 2;
  • Figure 5 is a partial cross-sectional view of the telescopic portion of the first support assembly of the illustrative embodiment shown in Figure 4;
  • Figure 6 is a three-dimensional schematic view of the radiation source mechanism of the exemplary embodiment shown in Figure 2 when it swings to an open state;
  • Figure 7 is a schematic diagram of a second supporting component part of the radiation source mechanism of the illustrative embodiment shown in Figure 2;
  • FIG. 8 is a perspective view of a static computed tomography apparatus according to an illustrative embodiment of the present disclosure, in which the radiation source mechanism is in an open state.
  • the reference symbols have the following specific meanings: 1. Rack; 11. The first protruding part; 12. The second protruding part; 13. Detection channel; 2. Radiation source mechanism; 21. Pulling component; 211. The first hinge base; 212. Pull rod; 213. Second hinge base; 214. First connector; 215. First bolt; 216. Second bolt; 22. Ontology; 23. The first supporting component; 231. Plate-shaped parts; 232. Telescopic part; 2321. The first screw; 2322. Universal ball; 2323. Base; 2324, screw; 2325. Universal tee; 233. Arc groove; 234. The third screw; 235. Second connector; 236. Auxiliary arc groove; 24. Second support component; 241. Universal wheel; and 3. Detector mechanism.
  • a radiation source mechanism and a static computed tomography scanning device are provided.
  • FIG. 1 is a perspective view of a static computed tomography apparatus according to an illustrative embodiment of the present disclosure.
  • a static computed tomography equipment As shown in FIG. 1 , according to an exemplary embodiment of the present disclosure, a static computed tomography equipment is provided.
  • the static computed tomography equipment includes a frame 1 , and a radiation source mechanism is installed on the frame 1 .
  • FIG. 2 is a perspective view of a radiation source mechanism according to an exemplary embodiment of the present disclosure.
  • An exemplary embodiment of the present disclosure provides a radiation source mechanism 2, as shown in FIG. 2, including a body 22, a pulling component 21 and a first supporting component 23.
  • the body 22 is suitable for outputting rays.
  • the pulling assembly 21 is adapted to limit the position of the body 22 relative to the frame 1 and allows the body 22 to rotate about the first axis of the pulling assembly 21 between a closed position close to the frame 1 and an open position far away from the frame 1 .
  • the first support component 23 is installed at the lower end of the body 22 to support the lower end of the body 22 to smoothly rotate around the first axis relative to the first working surface located below the first support component 23 .
  • a part of the first support component 23 has a detached state from the first working surface, and a contact state from the first working surface during the process of the body 22 disengaging from the closed position, so as to adjust the relationship between the first support component (23) and the first working surface.
  • the contact area of the first working surface is a part of the first support component 23.
  • body 22 includes, but is not limited to, an X-ray source. It should be noted here that the body 22 is not the key point of protection of the present disclosure. Any ray source that can be used in static computed tomography equipment in the art can be selected and applied, and no detailed description will be given.
  • the pulling assembly 21 is installed between the body 22 and the frame 1 .
  • the pulling component 21 includes but is not limited to being connected to at least one of the upper part and any end surface of the side part of the body 22 .
  • the pulling assembly 21 includes at least one pivot, with an axis of one of the pivots extending generally in the vertical direction as the first axis.
  • the first supporting component 23 is disposed on the lower end surface of the frame 1 .
  • the first supporting component 23 is at least partially coincident with the lower end surface of the frame 1 in the projection formed in the vertical direction. It should be understood that embodiments of the present disclosure are not limited thereto.
  • the first supporting component 23 is configured as a frame-shaped structure, and the frame-shaped structure is installed around the outer edge of the lower end surface of the body 22 to cover the lower end of the body 22 .
  • the first working surface includes, but is not limited to, any one of an end surface formed on the rack, the ground, and an end surface (such as the floor) of the space where the static computed tomography equipment is placed. .
  • the pulling assembly 21 is installed on another frame (not shown in the figure) outside the body 22 and the frame 1 .
  • a frame is disposed outside the frame 1 at a position facing the body 22 , and the pulling component 21 is disposed between the frame and the body 22 .
  • the frame includes, but is not limited to, any structural frame configured as a portal, an arch, a beam, a longitudinal beam, or other structural frames suitable for connecting the pulling components 21 .
  • the pulling assembly 21 is suitable for establishing a connection relationship between the upper part of the body 22 and the frame 1, and pulling the body 22 during the rotation of the body 22 between the closed position and the open position. , to prevent the body from tipping.
  • the first support component 23 is disposed between the body 22 and the first working surface. When the body is in the closed position, a part of the first support component is in a detached state from the first working surface, so that the first support component 23 At least part of the other part is in surface contact with the first working surface, so as to maintain the relative position of the body 22 and the first working surface through the friction force formed between the self-weight of the first support component 23 and the body 22 and the first working surface, Helps maintain the stability of the body.
  • the first support component 23 is in a contact state, and the first support component 23 forms rolling friction with the first working surface.
  • the body when the body is disengaged from the closed position and moved to the open position, a part of the first support component 23 is in contact with the first working surface, so that the first support component 23 and the first working surface are in contact with each other. Rolling friction is formed between the surfaces so that the operator can move the body 22 to open without using a spreader.
  • the position is such that the detector mechanism 3 is at least partially exposed outside the radiation source mechanism for installation, repair or replacement.
  • FIG. 3 is an enlarged view of part A (including the pulling assembly part) shown in FIG. 2 .
  • the pulling assembly 21 includes a first connecting member 214 and a pivot part.
  • the first connecting piece 214 is installed on the body 22 .
  • the pivot part is pivotably disposed between the first connecting member 214 and the frame 1 to support the body to rotate between the closed position and the open position.
  • the first connecting member 214 is disposed on the upper end surface of the body 22 .
  • pivot portion is provided between the first connecting member 214 and the side wall of the frame 1 .
  • the first connecting member 214 is installed on the upper end surface of the body 22 so that the side end surface of the body 22 facing the detector mechanism 3 is not blocked.
  • the pivot portion is suitable for connecting the first connecting member 214 to the frame 1 and provides the first connecting member 214 with a degree of freedom to rotate about the first axis.
  • the pulling assembly 21 further includes a first locking member, which is adapted to limit the first connecting member 214 relative to the machine when the pivot part is in a closed position. Movement of rack 1.
  • the first locking member is disposed between the first connecting member 214 and the frame 1, and is suitable for fixing the first connecting member 214 to the frame 1, and is suitable for fixing the first connecting member 214 to the frame 1.
  • 214 and the frame 1 are kept in a position of mutual contact to limit the relative movement of the body 22 and the frame 1 .
  • the first locking part is provided on the pivot part.
  • the first locking member is provided on the pivot axis of the pivot part to keep the body in the closed position by limiting the rotation of the pivot axis.
  • the axis of the pivot is defined as the first axis.
  • the pivot shaft is rotatably arranged in the hinge base, and one axial end of the pivot shaft is connected to the output end of a motor.
  • the torque output by the motor drives the pivot shaft to rotate.
  • Rotation of the lower pivot is limited.
  • a tubular piece is set on the outside of the pivot shaft.
  • a deep groove bearing is set between the tubular piece and the pivot shaft.
  • the deep groove bearing is filled with magnetorheological grease.
  • a coil is set in the tubular piece. When the coil is energized, In this state, the magnetorheological grease in the bearing forms Bingham fluid, so that the inner and outer rings of the bearing are in a locked state, and the rotation of the pivot axis relative to the tubular member is restricted.
  • the first locking member is used to limit the relative position of the body 22 and the frame 1 so as to keep the body 22 in a closed position covering the detector mechanism 3 .
  • the first connecting member 214 is configured to include but is not limited to a block structure, is disposed on the body 22 , and is suitable for connecting with the pulling assembly 21 .
  • the block structure includes, but is not limited to, a cylindrical mechanism configured into a roughly cube, cylinder, elliptical cylinder and other polygonal shapes to facilitate a more effective and stable connection between the first connecting piece 214 and the body 22. should.
  • the first connecting member 214 is configured to include but is not limited to a frame structure, and the first connecting member 214 includes a bottom plate, a side plate and a longitudinal plate.
  • the bottom plate is arranged on the upper end of the body 22 .
  • the side plate is orthogonal to the bottom plate and is attached to the mounting surface of the rack 1 through the first locking piece.
  • the vertical plate is orthogonal to the bottom plate and the side plate, and is suitable for connection with one end of the pivot part.
  • the first connecting member 214 includes, but is not limited to, at least one bottom plate, at least one side plate, and two longitudinal plates.
  • the base plate constitutes the bottom surface of the cube structure.
  • One end of the base plate facing the rack 1 is provided with a side plate. Both ends of the side plate (the left end and the right end as shown in Figure 3) are respectively provided with vertical plates.
  • the bottom plate is fixed to the upper end surface of the body 22 through second bolts 216 .
  • bottom plate, side plates and vertical plates are connected by any connection method including but not limited to welding, riveting, bolting and integral molding. It should be understood that embodiments of the present disclosure are not limited thereto.
  • the first connecting member 214 includes but is not limited to a keel structure and any other structure that is suitable for being assembled with the body 22 and can simultaneously abut a certain surface of the frame 1 .
  • the base plate is adapted to be fixed to the body 22
  • the side plate is adapted to be connected to the frame 1 through the first locking member
  • the vertical plate is disposed between the base plate and the side plate to enhance the structural strength of the first connecting member 214 , which can more effectively prevent the body 22 from overturning when connected to the frame 1 .
  • the first locking member includes but is not limited to a first bolt 215 , and the first bolt 215 is detachably disposed between the side plate and the frame 1 . It is suitable for keeping the first connecting piece 214 in a position in contact with the frame 1 .
  • screw holes are provided in at least part of the position covered by the side plate on the frame 1, in the horizontal direction opposite to the orthographic projection direction of the screw holes. Through holes are formed on the side plates at corresponding positions to accommodate the first bolts 215 to pass through and be fixed on the frame 1 .
  • the first bolt 215 when the first bolt 215 is engaged with the screw hole, the first bolt 215 can provide a large tensile force for the body through thread engagement, so as to maintain the stability of the body in the closed state.
  • one of the frame 1 and the side plate is provided with a caulking groove (not shown in the figure), and the other of the frame 1 and the side plate is disposed between the caulking groove and the caulking groove.
  • the insert block (not shown in the figure) corresponding to the shape and size is fitted into the insert groove when the pivot part is in the third position.
  • One end of the insert groove is provided with a pin hole, and the pin passes through the pin hole. The insert is inserted through the slot and inserted into the insert along a line of defense that is orthogonal to the direction of extension of the slot to maintain the position of the insert in the slot.
  • the matching method of the inlay grooves, inlay blocks and pins can be used for quick connection between the frame 1 and the side panel.
  • the pivot part includes a first hinge base 211 and a pull rod 212 .
  • One end of the pull rod 212 (the left end as shown in Figure 2) is pivotably disposed on the first hinge base 211, and the other end of the pull rod 212 (the right end as shown in Figure 2) is suitable for connection with the first connecting member 214;
  • the axis around which the pull rod 212 rotates around the first hinge base 211 defines the first axis.
  • the pivot part further includes a second hinge base 213 , which is installed on the end surface of the first connecting piece 214 facing the pull rod.
  • the other end of 212 is pivotably mounted on the second hinge base 213 so that the pull rod 212 has a degree of freedom to rotate around the second axis of the second hinge base 213 .
  • the second hinge base 213 is provided on the longitudinal plate.
  • both ends of the pull rod 212 are pivotably provided on the first hinge base 211 and the second hinge base 213 respectively.
  • both the first hinge base 211 and the second hinge base 213 are configured to rotate around respective hinge axes in the horizontal direction.
  • the axis of the hinge shaft at the end of the first hinge base 211 connected to the pull rod 212 defines the first axis.
  • the first axis is located outside the orthographic projection of the body 22 in the vertical direction.
  • the first hinge base 211 and the installed hinge shaft provide the body 22 with a degree of freedom to rotate around the first axis.
  • both the first hinge base 211 and the second hinge base 213 are configured to rotate around respective hinge axes in the horizontal direction.
  • the axis of the hinge shaft of the second hinge seat 213 connected to the end of the pull rod 212 defines the second axis.
  • the second axis is located inside the orthographic projection of the body 22 in the vertical direction.
  • the second hinge base 213 and the installed hinge shaft provide the body 22 with a degree of freedom to rotate around the second axis.
  • the second hinge seat 213 is suitable for making up for the difference in fit between the first hinge seat 211, the pull rod 212 and the first connecting piece 214 due to processing accuracy and assembly errors, so that the pull rod 212 can fully circle the first hinge seat 211.
  • a large amount of angle of rotation is required to satisfy the full movement of the body 22 between the closed position and the open position; on the other hand, if a guide groove is provided between the first support component 23 and the first working surface, the body 22 can be rotated around the first supporting component 23 and the first working surface.
  • the first hinge axis When the first hinge axis is rotated to a certain position, it is rotated around the second hinge axis to adjust the relative position of the body 22 and the frame 1 and/or the detector mechanism 3 .
  • the cooperative relationship between the guide groove and the body 22 and/or the first support component 23 is not the key point of protection of this disclosure. Any cylindrical slider that can pass through the guide groove and the cooperation in this field can be selected and applied. No further details will be given.
  • FIG. 4 is a partial enlarged view of the first support assembly part of the radiation source mechanism of the illustrative embodiment shown in FIG. 2 .
  • 5 is a partial cross-sectional view of a telescopic portion of the first support assembly of the illustrative embodiment shown in FIG. 4 .
  • the upper end surface of the first working surface is provided with at least one arc-shaped groove, and the arc center of the arc-shaped groove is located on the first axis.
  • the first support component 23 includes a plate-shaped member 231 and a telescopic portion 232 .
  • the plate-shaped member 231 is arranged along the horizontal direction.
  • the plate-shaped member 231 is suitable for setting the support body 22.
  • At least a part of the plate-shaped member 231 is provided with through holes at positions corresponding to each arc-shaped groove.
  • the telescopic portion 232 is provided at a position corresponding to at least a portion of the through hole of the plate-shaped member 231 .
  • the telescopic part 232 includes a universal ball 2322 disposed at an end of the telescopic part 232 facing the first working surface, and the universal ball 2322 is configured to interact with the first working surface. Move between the contact position where the working surface is in contact and the disengagement position where it is separated from the first working surface.
  • the universal ball 2322 is located in the through hole to escape the disengagement position of the arc-shaped groove.
  • the first support component 23 is in the contact state, at least a part of the universal ball 2322 passes through the through hole. The contact position is extended to abut against the bottom of the arc-shaped groove, and rolls along the arc-shaped groove with the rotation of the body.
  • the first working surface is provided with, but is not limited to, two arc-shaped grooves.
  • the two arc-shaped grooves are symmetrically arranged with the projection formed by the first axis in the vertical direction as the center of the circle.
  • the first working surface is provided with one, three, four, five or any other number of arc-shaped grooves.
  • the plate-shaped member 231 is provided with a number of telescopic portions 232 that is greater than or equal to the number of arc-shaped grooves, so that the universal ball 2322 of each telescopic portion 232 is in a contact position.
  • each arc-shaped groove can accommodate at least one universal ball 2322.
  • the universal ball 2322 is detached from the arc-shaped groove under the action of the telescopic portion 232. Move between the position and the contact position against the bottom of the arcuate groove.
  • the extending direction of the arc-shaped groove defines at least a part of the translation direction of the radiation source mechanism 2 to guide the movement of the radiation source mechanism 2 .
  • the universal ball 2322 is in the disengaged position, the lower end surface of the plate-shaped member 231 is in surface contact with the first working surface.
  • sliding friction is formed between the plate-shaped member 231 and the working surface, which can more effectively maintain the stability of the radiation source mechanism 2 .
  • the telescopic part 232 includes a base 2323 , a screw 2324 and a universal ball seat 2325 .
  • the base 2323 is provided on the plate-shaped member 231.
  • the screw rod 2324 is sleeved in the base 2323 and threadedly matched with the base 2323.
  • the universal ball seat 2325 is provided at the lower end of the screw rod 2324.
  • a universal ball 2322 is provided in the universal ball seat 2325. It should be understood that embodiments of the present disclosure are not limited thereto.
  • the screw 2324 can be replaced by, but not limited to, a cylinder, a lead screw, and other mechanisms with telescopic functions.
  • the base 2323 is fixed on the plate-shaped member 231 .
  • the base 2323 is fixed on the plate-shaped member 231 through the first screw 2321.
  • the universal ball seat 2325 (including the universal ball 2322) is coaxially fixed to the lower end of the screw rod 2324 as shown in Figure 5. It should be understood that embodiments of the present disclosure are not limited thereto.
  • the base 2323 can be fixed on the plate-shaped member 231 by any method including but not limited to bolts, riveting, and welding.
  • the threaded cooperation between the screw rod 2324 and the base 2323 can provide a large torque to push the universal ball 2322 out from below the through hole to abut against the arcuate groove.
  • the first support assembly 23 further includes a second connecting member 235 , and the second connecting member 235 is suitable for constraining the body 22 to the plate-shaped member 231 .
  • the end of the second connecting member 235 facing the body 22 protrudes from the upper end surface of the plate-shaped member 231 and extends into the body 22 to connect the body 22 constrained on the plate-shaped member 231.
  • the second connecting member 235 is configured to include but is not limited to a cylindrical structure, one end of the cylindrical structure passes upward from the lower end of the plate-shaped member 231, and the other end of the cylindrical structure extends along A flange is formed by extending radially outward to abut against the end surface of the plate-shaped member 231 facing the flange.
  • the lower end surface of the body 22 is set at a position facing the cylindrical structure extending out of the plate-shaped member 231 There are slots to accommodate the cylindrical structure.
  • the second connecting member 235 is fitted with the body 22, which can more effectively limit the relative displacement of the body 22 and the plate-shaped member 231 in the horizontal direction, so as to integrally fix the plate-shaped member 231 and the body 22.
  • the second connecting member 235 further includes a plurality of second screws.
  • the plurality of second screws pass upward from the lower end surface of the plate-shaped member 231 and are arranged around the cylindrical structure to connect the The second connecting member 235 is fixed to the plate-shaped member 231 and the body 22 .
  • the body 22 can be fixed on the plate-shaped member 231 by welding, riveting, tenoning or any other method.
  • the first support component 23 further includes a second locking member, which is detachably disposed between the plate-shaped member 231 and the first working surface to limit the contact between the plate-shaped member 231 and the first working surface. The relative position of the first working surface.
  • the second locking member includes, but is not limited to, the third screw 234 .
  • the plate-shaped member 231 is provided with a through hole
  • the first working surface is provided with a positioning hole corresponding to the position of the through hole.
  • the third screw 234 can be inserted into the positioning hole. hole to limit the relative position of the plate-shaped component 231 and the working surface.
  • FIG. 6 is a schematic perspective view of the radiation source mechanism of the exemplary embodiment shown in FIG. 2 when it swings to an open state.
  • the first working surface is also provided with at least one auxiliary arc groove 236.
  • the arc groove 233 and the auxiliary arc groove 236 have the same arc center, and the auxiliary arc groove 233 has the same arc center.
  • the radius of the shaped groove 236 is larger than the radius of the arcuate groove 233 .
  • the plate-shaped member 231 is provided with a through hole at a position corresponding to each auxiliary arc-shaped groove.
  • the telescopic portion 232 is provided at a position corresponding to at least a portion of the through hole of the plate-shaped member 231 .
  • the first working surface is provided with two arc-shaped grooves 233 including but not limited to.
  • the two arc-shaped grooves 233 take the projection formed by the first axis in the vertical direction as the center of the circle, and the center of the circle is symmetrically arranged to form a substantially annular structure.
  • first working surface is provided with but not limited to an auxiliary arcuate groove 236 .
  • the four corners of the plate-shaped member 231 are respectively provided with, but are not limited to, four telescopic parts 232 , in which the universal balls 2322 of two telescopic parts 232 are in the contact position and abut against the arc.
  • the groove bottom and/or groove wall of the auxiliary arc-shaped groove 233, and the universal balls 2322 of the other two telescopic parts 232 are in contact positions against the groove bottom and/or groove wall of the auxiliary arc-shaped groove 236.
  • the arcuate groove 233, the auxiliary arcuate groove 236 and the plurality of telescopic portions 232 are suitable for dispersion.
  • the pressure exerted by the main body 22 on the plate-shaped member 231 makes the force on the radiation source mechanism 2 uniform during the translation process, which not only helps to prevent the body 22 from overturning due to uneven force, but also helps to lift the main body 22 during the translation process. medium smoothness.
  • the radiation source mechanism 2 further includes a second support component 24 , which is disposed on the lower end surface of the plate-shaped member 231 , and rotates until a part of the plate-shaped member 231 is separated from the first working surface. In the state of The second working surface is supported.
  • the first working surface is represented by a plane formed by the upper end surface of the second protruding portion 12 of the bracket.
  • the second working surface is characterized by a plane formed by the ground below the support.
  • the plate-shaped member 231 is rotated to the position shown in Figure 5, and the part of the plate-shaped member 231 (the right end shown in Figure 6) is detached from the first working surface and is suspended above the first working surface. state.
  • the second support component 24 extends longitudinally, and the two ends of the second support component 24 respectively abut the lower end surface and the second working surface of the plate-shaped member 231 to support the plate-shaped member 231 and the body 22, which can be more effective. To prevent overturning caused by the center deviation of the body 22 caused by the suspended plate-shaped member 231.
  • the second support mechanism includes but is not limited to a wheel-shaped member.
  • the wheel-shaped member When a part of the plate-shaped member 231 is rotated away from the first working surface, the wheel-shaped member abuts against the first working surface. on the second working surface to support the plate-shaped member 231 and guide the plate-shaped member 231 to rotate along the second working surface.
  • the wheel-shaped member includes, but is not limited to, the universal wheel 241 .
  • the universal wheel 241 is provided on the lower end surface of the plate-shaped member 231 to rotate the plate-shaped member 231 to a state where it is separated from the first working surface (the right end as shown in FIG. 6 ). 231 and the body 22 for support.
  • Such an implementation can be applied to usage scenarios where the size of the frame 1 is limited.
  • the universal wheel 241 can rotate the plate-shaped member 231 After being separated from the first working surface, the plate-shaped member 231 is supported and guided. This will help improve the stability of the radiation source mechanism 2 and expand the usage scenarios of the radiation source mechanism 2 . It should be understood that embodiments of the present disclosure are not limited thereto.
  • the second support mechanism may include pads, supports, and other structures that can fill the gap formed in the vertical direction between the first working surface and the second working surface.
  • the second supporting component 24 is detachably provided on the plate-shaped member 231 The lower end surface.
  • the plate-shaped member 231 is preset with a plurality of mounting holes.
  • the position where the plate-shaped member 231 is provided with the mounting holes moves to a position separated from the first working surface, the operator
  • the second support component 24 can be placed between the lower end surface of the plate-shaped component 231 and the second working surface, and the second support component 24 can be fixed in the installation hole.
  • the second support component 24 has high flexibility, and the operator can select the second support component 24 with suitable size and strength according to the actual usage scenario. Moreover, the second support component 24 has wide adaptability. For example, in a scenario where the second working surface is relatively flat, the second supporting component 24 can use a universal wheel 241. For another example, the second supporting component 24 has a local convex shape on the second working surface. In the scenario of an uneven surface, the second support component 24 may use at least one of support rods, pads, or other plate-shaped members 231 to support the body 22 .
  • FIG. 7 is a schematic diagram of a second supporting component part of the radiation source mechanism of the illustrative embodiment shown in FIG. 2 .
  • the second supporting component 24 is telescopically disposed on the lower end surface of the plate-shaped member 231 and is configured to be in a retracted position away from the second working surface and to abut against the second working surface. Move between extended positions on the surface.
  • the second support component 24 includes, but is not limited to, any one of a telescopic cylinder, an electric push rod, a screw, and other structures with telescopic and lifting functions.
  • a groove is provided on the plate-shaped member 231 and/or the frame 1, and the second support component 24 is located in the groove in the retracted state, and extends from the groove and is supported on the plate-shaped member in the extended state. between piece 231 and the second working surface.
  • the second support assembly 24 includes, but is not limited to, a retractable universal wheel 241 .
  • the telescopic method of the universal wheel 241 includes but is not limited to telescopic in the vertical direction, folding in the horizontal direction, or other universal wheel 241 and universal wheel frame mechanisms with telescopic functions. It should be noted here that the specific method of telescopic universal wheel 241 is not a key point of protection of this disclosure. Any telescopic universal wheel 241 known in the art can be selected and applied, and will not be further elaborated.
  • FIG. 8 is a perspective view of a static computed tomography apparatus according to an illustrative embodiment of the present disclosure, in which the radiation source mechanism is in an open state.
  • Illustrative embodiments of the present disclosure also provide a static computed tomography equipment, as shown in FIGS. 1 and 8 , including a frame 1 , at least one detector mechanism 3 and at least one ray source mechanism 2 .
  • the frame 1 defines a detection channel 13 suitable for placing the target to be detected.
  • the detector mechanism 3 is arranged on the side wall of the frame 1, and each detector mechanism 3 includes multiple detector arrays.
  • the detector arrays 3 are respectively arranged between the radiation source mechanism 2 and the frame 1 .
  • the ray source mechanism 2 is configured to move between a closed position in which the detector mechanism 3 is shielded and an open position in which the detector mechanism 3 is opened.
  • the ray source mechanism 2 is pivotably disposed on the frame 1. In the open position, the ray source mechanism 2 opens the detector mechanism 3 so that the operator can maintain and maintain the detector mechanism 3. /or repair. In the closed position, it is reset to a position where the detector mechanism 3 is shielded, so that the static computed tomography equipment can perform tomography work.
  • the upper end of the frame 1 extends outward in the horizontal direction to form a first protruding portion 11
  • the lower end of the frame 1 forms a second protruding portion parallel to the first protruding portion 11 .
  • the protruding part 12 and the detector mechanism 3 are arranged between the first protruding part 11 and the second protruding part 12 , and the first working surface is formed on the upper side of the second protruding part 12 .
  • the radiation source mechanism 2 is disposed on the frame 1 so that the radiation source mechanism 2 and the detector mechanism 3 have a high integrity and facilitate the overall installation, maintenance and transportation of the static computed tomography equipment.
  • the static computed tomography equipment includes two detector mechanisms 3 respectively disposed outside two opposite side walls of the frame 1 , and two detector mechanisms 3 respectively disposed on the outside of the two opposite side walls of the frame 1 .
  • the detector mechanism 3 is adapted to receive rays output by the facing ray source mechanisms 2 that pass through the object to be detected.
  • the detector mechanism 3 is adapted to receive scattered rays based on scattering of rays from the detector mechanism 3 from a detected target.
  • the pulling component 21 is disposed on the first protruding part 11, and the first supporting component 23 is disposed between the second protruding part 12 and the body 22.
  • the first supporting component 23 is disposed on the first protruding part 11.
  • a support component 23 is in the contact position, so that the first support component 23 forms sliding friction extending along the first working surface with the first working surface under the action of the body and its own weight, which is beneficial to maintaining the stability of the body in the closed position.
  • a part of the first support component 23 is in contact with the first working surface, so that rolling friction is formed between the first support component 23 and the first working surface. , so that the operator can move the body 22 to the open position without using a spreader, so that the detector mechanism 3 is at least partially exposed to the outside of the radiation source mechanism for installation, maintenance or replacement.

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Abstract

一种射线源机构，包括：本体（22），适用于输出射线；牵拉组件（21），适用于限制本体（22）相对于机架（1）的位置、并允许本体（22）绕牵拉组件（21）的第一轴线在靠近机架（1）的闭合位置及远离机架（1）的打开位置之间旋转；以及第一支承组件（23），安装在本体（22）的下端，以支承本体（22）的下端相对于位于第一支承组件（23）的下方的第一工作面绕第一轴线平滑旋转；其中，第一支承组件（23）的一部分具有与第一工作面脱离的脱离状态、及与第一工作面在本体（22）脱离闭合位置的过程中接触的接触状态，以调节第一支承组件（23）与第一工作面的接触面积。还提供一种计算机断层扫描设备，包括机架（1）、探测器机构（3）及射线源机构（2），射线源机构（2）被构造成在将探测器机构（3）遮蔽的闭合位置及将探测器机构（3）开放的打开位置之间移动。

Description

射线源机构及静态计算机断层扫描设备 技术领域
本公开的至少一种实施例涉及一种静态计算机断层扫描设备，更具体地，涉及一种射线源机构及静态计算机断层扫描设备。
背景技术
静态计算机断层扫描设备(静态CT)的探测器机构由于光路排布原因，多设置于射线源机构及通道之间。当需要对探测器机构进行更换和/或维护时，由于射线源机构的阻挡、无法由外部直接接触探测器机构，因此，需要将发射源机构移开，并在更换和/或维护完成后，再将射线源机构复位。
目前，静态计算机断层扫描设备所用的射线源机构的尺寸及重量较大，在移动射线源机构时需要通过吊具(如天车、吊车、龙门吊等设备)进行吊装，并且在复位时还多人配合以确保发射源机构与探测器机构的相对位置，以维持发射源机构的复位精度。
发明内容
为解决现有技术中的上述以及其他方面的至少一种技术问题，本公开提供一种射线源机构及静态计算机断层扫描设备，可以通过推动射线源机构以使射线源机构进行移动，以对由所述射线源机构覆盖的探测器机构进行安装、维修或者更换。
为了实现上述目的，本公开的实施例提供一种射线源机构，适用于安装在计算机断层扫描设备的机架上包括：本体，适用于输出射线；牵拉组件，适用于限制所述本体相对于机架的位置、并允许所述本体绕所述牵拉组件的第一轴线在靠近所述机架的闭合位置及远离所述机架的打开位置之间旋转；以及第一支承组件，安装在所述本体的下端，以支承所述本体的下端相对于位于所述第一支承组件的下方的第一工作面绕所述第一轴线平滑旋转；其中，所述第一支承组件的一部分具有与所述第一工作面脱离的脱离状态、及与所述第一工作面在所述本体脱离闭合位置的过程中接触的接触状态，以调节所述第一支承组件与第一工作面的接触面积。
在一种示意性的实施例中，所述第一支承组件处于所述接触状态下，所述第一支承组件与第一工作面形成滚动摩擦。
在一种示意性的实施例中，所述牵拉组件包括：第一连接件，安装在所述本体上；以及枢转部，可枢转的设置于所述第一连接件及所述机架之间，以支承所述本体在所述闭合位置及打开位置之间旋转。
在一种示意性的实施例中，所述牵拉组件还包括第一锁止件，适用于在所述枢转部处于闭合位置的状态下，限制所述第一连接件相对于机架的移动。
在一种示意性的实施例中，所述第一连接件被构造成包括块状结构，设置于所述本体上，适用于与所述牵拉组件连接。
在一种示意性的实施例中，所述第一连接件被构造成包括框架结构，所述第一连接件包括：底板，安装在所述本体的上端；侧板，与所述底板正交，并通过所述第一锁止件贴合到所述机架的安装面上；以及纵板，与所述底板及侧板均正交，适用于与所述枢转部的一端连接。
在一种示意性的实施例中，所述第一锁止件包括第一螺栓，所述第一螺栓可拆卸的设置于所述侧板及机架之间，适用于将所述第一连接件保持在与所述机架相接触的位置。
在一种示意性的实施例中，所述枢转部包括：第一铰座，设置于所述机架上；以及拉杆，所述拉杆的一端可枢转的设置于所述第一铰座上，所述拉杆的另一端适用于与所述第一连接件连接；其中，所述拉杆绕所述第一铰座旋转的轴限定所述第一轴线。
在一种示意性的实施例中，所述枢转部还包括第二铰座，所述第二铰座安装在与所述拉杆相面对的第一连接件的端面上，所述拉杆的另一端可枢转的安装在所述第二铰座上，以使所述拉杆具有绕所述第二铰座的第二轴线旋转的自由度。
在一种示意性的实施例中，所述第一工作面的上端面设置有至少一个弧形槽，所述弧形槽的弧心位于所述第一轴线上，所述第一支承组件包括：板形件，适用于设置支承本体，所述板形件的至少一部分与每个所述弧形槽相对应的位置设置有通孔；以及伸缩部，设置于所述板形件的与至少一部分所述通孔相对应的位置上。
在一种示意性的实施例中，所述伸缩部包括设置于所述伸缩部的与第一工作面相面对的端部的万向球，所述万向球被构造成在与第一工作面接触的接触位置及与第一工作面脱离的脱离位置之间移动；其中，在所述第一支承组件处于脱离状态下，所述 万向球位于所述通孔内、位于脱离所述弧形槽的脱离位置，在所述第一支承组件处于接触状态下，所述万向球的至少一部分由所述通孔伸出、以抵靠在所述弧形槽的槽底，并随所述本体的转动沿所述弧形槽滚动的接触位置。
在一种示意性的实施例中，所述伸缩部还包括：基座，设置于所述板形件上；螺杆，套设于所述基座内，并与所述基座螺纹配合；以及万向球座，设置于所述螺杆的下端部；其中，所述万向球座内设置有所述万向球。
在一种示意性的实施例中，所述第一支承组件还包括第二连接件，所述第二连接件适用于将所述本体限制于所述板形件上。
在一种示意性的实施例中，所述第二连接件的与所述本体相面对的端部由所述板形件的上端面凸出、并伸入所述本体内，以将所述本体限制于所述板形件上。
在一种示意性的实施例中，所述第一支承组件还包括第二锁止件，可拆卸的设置于板形件及第一工作面之间，以限制所述板形件与第一工作面的相对位置。
在一种示意性的实施例中，所述第一工作面上还设置有至少一个辅助弧形槽，所述弧形槽与所述辅助弧形槽具有相同的弧心，并且所述辅助弧形槽的半径大于所述弧形槽的半径。
在一种示意性的实施例中，所述板形件的至少一部分与每个所述辅助弧形槽相对应的位置设置有通孔；以及伸缩部，设置于所述板形件的与至少一部分所述通孔相对应的位置上。
在一种示意性的实施例中，还包括第二支承组件，设置于所述板形件的下端面，在所述板形件的一部分旋转至脱离所述第一工作面的状态下，所述第二支承组件抵靠在所述板形件及与所述第一工作面相平行的第二工作面之间，以对所述板形件由所述第一工作面伸出的部分相对于所述第二工作面进行支承。
在一种示意性的实施例中，所述第二支承组件包括轮形件，在所述板形件的一部分旋转至脱离所述第一工作面的状态下，所述轮形件抵靠在所述第二工作面上，以对所述板形件进行支承、并引导所述板形件沿所述第二工作面旋转。
在一种示意性的实施例中，所述第二支承组件可拆卸的安装在所述板形件的下端面。
在一种示意性的实施例中，所述第二支承组件可伸缩的设置于所述板形件的下端面，并被构造成在脱离所述第二工作面的收缩位置及抵靠在所述第二工作面上的伸出位置之间移动。
本公开的实施例还提供一种计算机断层扫描设备包括：机架，所述机架内限定适用于放置被检测目标的检测通道；至少一个探测器机构，包括多个探测器阵列，设置于所述机架的侧壁上；以及至少一个如权利要求至中任一所述的射线源机构，至少一个探测器阵列分别设置在所述射线源机构和机架之间；其中，所述射线源机构被构造成在将所述探测器机构遮蔽的闭合位置及将所述探测器机构开放的打开位置之间移动。
在一种示意性的实施例中，所述机架的上端沿水平方向向外延伸形成第一凸出部，所述机架的下端形成与所述第一凸出部相平行的第二凸出部，所述探测器机构设置于所述第一凸出部及第二凸出部之间，第一工作面形成在所述第二凸出部的上侧。
在一种示意性的实施例中，包括分别设置在所述机架的两个相对的侧壁外侧的两个所述探测器机构、和分别设置在两个所述探测器机构外侧的两个射线源机构，每个探测器机构适用于接收来自于远离所述探测器机构的射线源机构、并且穿透所述被检测目标的射线。
在一种示意性的实施例中，所述探测器机构适用于接收基于来自于所述探测器机构的射线从所述被检测目标散射的散射射线。
根据本公开所公开的射线源机构及静态计算机断层扫描设备，牵拉组件适用于将本体的上部与机架之间建立连接关系，并使本体在闭合位置及打开位置之间旋转的过程中、对本体进行牵拉，以防止本体倾倒。第一支承组件设置于本体及第一工作面之间，在本体处于闭合位置的状态下，第一支承组件的一部分处于与第一工作面脱离的脱离状态，以使第一支承组件其他的至少一部分与第一工作面之间形成面接触，以通过第一支承组件及本体的自重与第一工作面之间形成的摩擦力维持本体与第一工作面的相对位置，有利于维持本体的稳定。在本体由闭合位置脱离并移动至打开位置的状态下，第一支承组件的一部分处于与第一工作面线接触或点接触的接触状态，以使改变本体相对于第一工作面的位置所需克服的摩擦力较小。以便操作人员在不使用吊具的情况下将本体移动至打开位置，以使探测器机构至少部分暴露于射线源机构之外，以便进行安装、维修或者更换。
附图说明
图1是根据本公开的一种示意性实施例的静态计算机断层扫描设备的立体图；
图2是根据本公开的一种示意性实施例的射线源机构的立体图；
图3是图2所示的A部分的放大图；
图4是图2所示的示意性实施例的射线源机构的第一支承组件部分的局部放大图；
图5是图4所示的示意性实施例的第一支承组件的伸缩部部分的局部剖视图；
图6是图2所示的示意性实施例的射线源机构摆转至打开状态时的立体示意图；
图7是图2所示的示意性实施例的射线源机构的一种第二支承组件部分的原理图；以及
图8是根据本公开的一种示意性实施例的静态计算机断层扫描设备的立体图，其中，射线源机构处于打开状态。
上述附图中，附图标记含义具体如下：
1、机架；
11、第一凸出部；
12、第二凸出部；
13、检测通道；
2、射线源机构；
21、牵拉组件；
211、第一铰座；
212、拉杆；
213、第二铰座；
214、第一连接件；
215、第一螺栓；
216、第二螺栓；
22、本体；
23、第一支承组件；
231、板形件；
232、伸缩部；
2321、第一螺钉；
2322、万向球；
2323、基座；
2324、螺杆；
2325、万向球座；
233、弧形槽；
234、第三螺钉；
235、第二连接件；
236、辅助弧形槽；
24、第二支承组件；
241、万向轮；以及
3、探测器机构。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚明白，以下结合具体实施例，并参照附图，对本公开作进一步的详细说明。在此使用的术语仅仅是为了描述具体实施例，而并非意在限制本公开。
在此使用的术语“包括”、“包含”等表明了所述特征、步骤、操作和/或组件件的存在，但是并不排除存在或添加一个或多个其他特征、步骤、操作或组件件。在此使用的所有术语包括技术和科学术语具有本领域技术人员通常所理解的含义，除非另外定义。应注意，这里使用的术语应解释为具有与本说明书的上下文相一致的含义，而不应以理想化或过于刻板的方式来解释。
在本文中，除非另有特别说明，诸如“上”、“下”、“左”、“右”、“内”、“外”等方向性术语用于表示基于附图所示的方位或位置关系，仅是为了便于描述本公开，而不是指示或暗示所指的机构、元件或组件件必须具有特定的方位、以特定的方位构造或操作。需要理解的是，当被描述对象的绝对位置改变后，则它们表示的相对位置关系也可能相应地改变。因此，这些方向性术语不能理解为对本公开的限制。
在使用类似于“A、B和C等中至少一个”这样的表述的情况下，一般来说应该 按照本领域技术人员通常理解该表述的含义来予以解释(例如，“具有A、B和C中至少一个的系统”应包括但不限于单独具有A、单独具有B、单独具有C、具有A和B、具有A和C、具有B和C、和/或具有A、B、C的系统等)。在使用类似于“A、B或C等中至少一个”这样的表述的情况下，一般来说应该按照本领域技术人员通常理解该表述的含义来予以解释(例如，“具有A、B或C中至少一个的系统”应包括但不限于单独具有A、单独具有B、单独具有C、具有A和B、具有A和C、具有B和C、和/或具有A、B、C的系统等)。
根据本公开的一种总体上的发明构思，提供一种射线源机构及静态计算机断层扫描设备。
图1是根据本公开的一种示意性实施例的静态计算机断层扫描设备的立体图。
如图1所示，根据本公开的一种示意性实施例，提供一种静态计算机断层扫描设备，静态计算机断层扫描设备包括机架1，射线源机构安装于机架1上。
图2是根据本公开的一种示意性实施例的射线源机构的立体图。
本公开的示意性实施例提供一种适用于射线源机构2，如图2所示，包括本体22、牵拉组件21及第一支承组件23。本体22适用于输出射线。牵拉组件21适用于限制本体22相对于机架1的位置、并允许本体22绕牵拉组件21的第一轴线在靠近机架1的闭合位置及远离机架1的打开位置之间旋转。第一支承组件23安装在本体22的下端，以支承本体22的下端相对于位于第一支承组件23的下方的第一工作面绕第一轴线平滑旋转。第一支承组件23的一部分具有与第一工作面脱离的脱离状态、及与第一工作面在本体22脱离闭合位置的过程中接触的接触状态，以调节所述第一支承组件(23)与第一工作面的接触面积。
在一种示意性的实施例中，本体22包括但不限于X射线源。这里需要说明的是，本体22并不作为本公开的保护要点，任何本领域能够用于静态计算机断层扫描设备的射线源均可选择适用，不再进行具体展开。
在一种示意性的实施例中，牵拉组件21安装在本体22与机架1之间。
详细地，牵拉组件21包括但不限于与本体22的上部及侧部的任一端面中的至少一个连接。
在一种示意性的实施例中，牵拉组件21包括至少一个枢轴，以其中的一个大致沿竖直方向延伸的枢轴的轴线作为第一轴线。
在一种示意性的实施例中，第一支承组件23设置于机架1的下端面。
详细地，第一支承组件23在竖直方向所形成的投影中与机架1的下端面至少部分重合。应当理解，本公开的实施例不限于此。
例如，第一支承组件23被构造成框形结构，框形结构环绕安装于本体22的下端面的外沿，以将本体22的下端包覆。
在一种示意性的实施例中，第一工作面包括但不限于机架上形成的某一端面、地面及放置有静态计算机断层扫描设备的空间的端面(如地板)中的任一一种。
在另一种示意性的实施例中，牵拉组件21安装在本体22与机架1之外的另一框架(图中未示出)上。
详细地，在机架1的外部与本体22相面对的位置设置一框架，牵拉组件21设置于框架与本体22之间。
进一步的，框架包括但不限于被构造成门型、拱形、横梁、纵梁及其他适用于连接牵拉组件21的结构框架中的任一一种。
这样的实施方式中，牵拉组件21适用于将本体22的上部与机架1之间建立连接关系，并使本体22在闭合位置及打开位置之间旋转的过程中、对本体22进行牵拉，以防止本体倾倒。第一支承组件23设置于本体22及第一工作面之间，在本体处于闭合位置的状态下，第一支承组件的一部分处于与第一工作面脱离的脱离状态，以使第一支承组件23其他的至少一部分与第一工作面之间形成面接触，以通过第一支承组件23及本体22的自重与第一工作面之间形成的摩擦力维持本体22与第一工作面的相对位置，有利于维持本体的稳定。在本体22由闭合位置脱离并移动至打开位置的状态下，第一支承组件的一部分处于与第一工作面线接触或点接触的接触状态，以使改变本体22相对于第一工作面的位置所需克服的摩擦力较小。以便操作人员在不使用吊具的情况下将本体移动至打开位置，以使探测器机构至少部分暴露于射线源机构之外，以便进行安装、维修或者更换。
根据本公开的实施例，如图1和图2所示，第一支承组件23处于接触状态下，第一支承组件23与第一工作面形成滚动摩擦。
这样的实施方式中，在本体由闭合位置脱离并移动至打开位置的状态下，第一支承组件23的一部分处于与第一工作面接触的接触状态，以使第一支承组件23和第一工作面之间形成滚动摩擦，以便操作人员在不使用吊具的情况下将本体22移动至打开 位置，以使探测器机构3至少部分暴露于射线源机构之外，以便进行安装、维修或者更换。
图3是图2所示的A部分(包括牵拉组件部分)的放大图。
根据本公开的实施例，如图1和图2所示，牵拉组件21包括第一连接件214及枢转部。第一连接件214安装在本体22上。枢转部可枢转的设置于第一连接件214及机架1之间，以支承本体在闭合位置及打开位置之间旋转。
在一种示意性的实施例中，第一连接件214设置于本体22的上端面上。
进一步的，枢转部设置于第一连接件214与机架1的侧壁之间。
这样的实施方式中，将第一连接件214安装于本体22的上端面上，可使本体22的与探测器机构3相面对的侧端面不受阻挡。枢转部适用于将第一连接件214连接于机架1上，并为第一连接件214提供绕第一轴线旋转的自由度。
根据本公开的实施例，如图1和图2所示，牵拉组件21还包括第一锁止件，适用于在枢转部处于闭合位置的状态下，限制第一连接件214相对于机架1的移动。
在一种示意性的实施例中，第一锁止件设置于第一连接件214及机架1之间，适用于将第一连接件214与机架1固定，适用于将第一连接件214与机架1保持在相互贴合的位置，以限制本体22与机架1的相对移动。
在另一种示意性的实施例中，第一锁止件设置于枢转部上。
详细地，第一锁止件设置于枢转部的枢轴上，通过限制枢轴的旋转以将本体保持在闭合位置。
进一步的，枢轴的轴线限定为第一轴线。
在一种具体的实施例中，枢轴可转动的设置于铰座内，枢轴的轴向的一端与一电机的输出端轴连接，电机输出的扭矩驱动枢轴旋转，在电机关闭的状态下枢轴的旋转被限制。
再如，枢轴的外侧套设有一管形件，管形件和枢轴之间设置有深沟轴承，深沟轴承内注有磁流变脂，管形件内设置有线圈，在线圈通电的状态下，轴承内的磁流变脂形成宾汉流体，以使轴承的内圈及外圈处于锁死状态，枢轴相对于管形件的旋转被限制。
这样的实施方式中，第一锁止件用于限制本体22与机架1的相对位置，以使本体22保持在将探测器机构3覆盖的闭合位置。
根据本公开的实施例，第一连接件214被构造成包括但不限于块状结构，设置于本体22上，适用于与牵拉组件21连接。
详细地，块状结构包括但不限于被构造成大致立方体、圆柱体、椭圆柱体及其他多边形的柱体机构，以有利于将第一连接件214与本体22进行较为有效且稳定的连接为宜。
根据本公开的实施例，如图1至图3所示，第一连接件214被构造成包括但不限于框架结构，第一连接件214包括底板、侧板及纵板。底板设置于本体22的上端。侧板与底板正交，并通过第一锁止件贴合到机架1的安装面上。纵板与底板及侧板均正交，适用于与枢转部的一端连接。
在一种示意性的实施例中，第一连接件214包括但不限于至少一个底板、至少一个侧板及两个纵板。
详细地，底板构成立方体结构的底面，底板的与机架1相面对的一端设置有侧板，侧板的两端(如图3所示的左端及右端)分别设置有纵板。
进一步的，底板通过第二螺栓216固定于本体22的上端面上。
更进一步的，底板、侧板及纵板之间包括但不限于通过焊接、铆接、螺栓固定及一体成型中的任一一种连接方式进行连接。应当理解，本公开的实施例不限于此。
例如，第一连接件214包括但不限于龙骨结构及其他适用于和本体22进行装配的状态下、可同时抵靠在机架1的某一表面的任一结构。
这样的实施方式中，底板适用于和本体22固定，侧板适用于通过第一锁止件和机架1连接，纵板设置于底板和侧板之间以提升第一连接件214的结构强度，可较为有效的防止本体22在与机架1连接的状态下发生倾覆。
根据本公开的实施例，如图1至图3所示，第一锁止件包括但不限于第一螺栓215，所述第一螺栓215可拆卸的设置于侧板及机架1之间，适用于将第一连接件214保持在与机架1相接触的位置。
在一种示意性的实施例中，在本体处于闭合位置的状态下，机架1上的被侧板所覆盖的至少一部分位置设置有螺孔，在水平方向上与螺孔的正投影方向相对应位置的侧板上形成通孔，以容纳第一螺栓215穿过并固定于机架1上。
这样的实施方式中，第一螺栓215在与螺孔配合的状态下，通过螺纹配合的方式，可为本体提供较大的抗拉力，以维持本体在闭合状态的稳定性。
在另一种示意性的实施例中，机架1及侧板中的一个上设置有嵌槽(图中未示出)，机架1及侧板中的另一个上设置于与嵌槽的形状及尺寸对应的嵌块(图中未示出)，在枢转部处于第三位位置的状态下，嵌块嵌合于嵌槽内，嵌槽的一端设置有销孔，销钉由销孔穿出嵌槽并沿与嵌槽的延伸方向相正交的防线嵌入嵌块内，以将嵌块保持在位于嵌槽内的位置。
这样的实施方式中，嵌槽、嵌块及销钉的配合方式可用于机架1与侧板的快速连接。
根据本公开的实施例，如图1至图3所示，枢转部包括第一铰座211及拉杆212。拉杆212的一端(如图2所示的左端)可枢转的设置于第一铰座211上，拉杆212的另一端(如图2所示的右端)适用于与第一连接件214连接；拉杆212绕第一铰座211旋转的轴限定所述第一轴线。
根据本公开的实施例，如图1至图3所示，枢转部还包括第二铰座213，第二铰座213安装在与拉杆相面对的第一连接件214的端面上，拉杆212的另一端可枢转的安装在第二铰座213上，以使拉杆212具有绕第二铰座213的第二轴线旋转的自由度。
在一种示意性的实施例中，第二铰座213设置于纵板上。
详细地，拉杆212的两端分别可枢转的设置于第一铰座211及第二铰座213上。
在一种示意性的实施例中，第一铰座211及第二铰座213均被构造成沿水平方向绕各自的铰轴旋转。
详细地，第一铰座211的与拉杆212连接的端部的铰轴的轴线限定第一轴线。
进一步的，第一轴线位于本体22的在竖直方向的正投影的外侧。
这样的实施方式中，第一铰座211及所安装的铰轴为本体22提供绕第一轴线旋转的自由度。
在另一种示意性的实施例中，第一铰座211及第二铰座213均被构造成沿水平方向绕各自的铰轴旋转。
详细的，第二铰座213的与拉杆212的端部连接的铰轴的轴线限定第二轴线。
进一步的，第二轴线位于本体22的在竖直方向的正投影的内侧。
这样的实施方式中，第二铰座213及所安装的铰轴为本体22提供绕第二轴线旋转的自由度。一方面，第二铰座213适用于弥补第一铰座211、拉杆212及第一连接件214由于加工精度，装配误差所造成配合度差异，以使拉杆212能绕第一铰座211尽 量大角度的旋转，以满足本体22在闭合位置及打开位置之间的充分移动；另一方面，如在第一支承组件23与第一工作面之间设置导向槽，可使本体22绕第一铰轴旋转至某一位置的状态下绕第二铰轴旋转，以调节本体22与机架1和/或探测器机构3的相对位置。这里需要说明的是，导向槽及本体22和/或第一支承组件23的配合关系并不作为本公开的保护要点，任何本领域能够通过导向槽及配合的柱形滑块均可选择适用，不再进行具体展开。
图4是图2所示的示意性实施例的射线源机构的第一支承组件部分的局部放大图。图5是图4所示的示意性实施例的第一支承组件的伸缩部部分的局部剖视图。
根据本公开的实施例，如图1、图2、图4和图5所示，第一工作面的上端面设置有至少一个弧形槽，弧形槽的弧心位于所述第一轴线上，第一支承组件23包括板形件231及伸缩部232。板形件231沿水平方向设置，板形件231适用于设置支承本体22，板形件231的至少一部分与每个弧形槽相对应的位置设置有通孔。伸缩部232设置于板形件231的与至少一部分通孔相对应的位置上。
根据本公开的实施例，如图5所示，伸缩部232包括设置于伸缩部232的与第一工作面相面对的端部的万向球2322，万向球2322被构造成在与第一工作面接触的接触位置及与第一工作面脱离的脱离位置之间移动。在第一支承组件23处于脱离状态下，万向球2322位于通孔内、以脱离弧形槽的脱离位置，在第一支承组件23处于接触状态下，万向球2322的至少一部分由通孔伸出、以抵靠在弧形槽的槽底，并随本体的转动沿弧形槽滚动的接触位置。
在一种示意性的实施例中，第一工作面上设置有包括但不限于两个弧形槽。
详细地，两个弧形槽以第一轴线在竖直方向上所形成的投影为圆心，圆心对称设置。
进一步的，板形件231上设置的通孔在竖直方向上形成的投影被弧形槽覆盖。应当理解，本公开的实施例不限于此。
例如，第一工作面上设置有一个、三个、四个、五个及其他任一数量的弧形槽。
在一种示意性的实施例中，板形件231上设置有大于或等于弧形槽的数量的伸缩部232，以使在每个伸缩部232的万向球2322均处于接触位置的状态下，每个弧形槽内可容纳有至少一个万向球2322。
这样的实施方式中，万向球2322在伸缩部232的作用下，在与弧形槽脱离的脱离 位置及抵靠在弧形槽的槽底的接触位置之间移动。弧形槽的延伸方向限定射线源机构2的至少一部分平移方向，以引导射线源机构2移动。在万向球2322处于脱离位置的状态下，板形件231的下端面与第一工作面面接触。在本体受到沿水平方向移动的压力的状态下，板形件231及工作面之间形成滑动摩擦，可较为有效的维持射线源机构2的稳定性。在万向球2322处于接触位置的状态下，万向球与弧形槽之间形成点接触，以使本体22与第一工作面之间成滚动摩擦，在该状态下，平移射线源机构2需克服的摩擦力较小，操作人员无需吊具配合，可人为推动(包括操作人员通过人体施加压力或通过机械设备施加压力)射线源机构2平移。
根据本公开的实施例，如图5所示，伸缩部232包括基座2323、螺杆2324及万向球座2325。基座2323设置于板形件231上。螺杆2324套设于基座2323内，并与基座2323螺纹配合。万向球座2325设置于螺杆2324的下端部。万向球座2325内设置有万向球2322。应当理解，本公开的实施例不限于此。
例如，螺杆2324可采用包括但不限于气缸、丝杠及其他具有伸缩功能的机构代替。
在一种示意性的实施例中，基座2323固定于板形件231上。
详细地，基座2323通过第一螺钉2321固定于板形件231上。
进一步的，万向球座2325(含万向球2322)同轴固定于螺杆2324的如图5所示的下端部。应当理解，本公开的实施例不限于此。
例如，基座2323可通过包括但不限于螺栓、铆接、焊接中的任一一种方式固定于板形件231上。
这样的实施方式中，螺杆2324与基座2323螺纹配合可提供较大的扭力以将万向球2322由通孔的下方顶出，以抵靠在弧形槽内。
根据本公开的实施例，如图3所示，第一支承组件23还包括第二连接件235，第二连接件235适用于将本体22限制于板形件231上。
根据本公开的实施例，如图3所示，第二连接件235的与本体22相面对的端部由板形件231的上端面凸出、并伸入本体22内，以将本体22限制于板形件231上。
在一种示意性的实施例中，第二连接件235被构造成包括但不限于圆柱形结构，圆柱形结构的一端由板形件231的下端面向上穿出，圆柱形结构的另一端沿径向向外延伸形成凸缘，以抵靠在板形件231与凸缘相面对的端面上。
进一步的，本体22的下端面的与伸出板形件231的圆柱形结构相面对的位置设置 有容纳圆柱形结构的嵌槽。
这样的实施方式中，第二连接件235与本体22嵌合，可较为有效的限制本体22与板形件231沿水平方向发生相对位移，以将板形件231及本体22一体固定。
在另一种示意性的实施例中，第二连接件235还包括多个第二螺钉，多个第二螺钉由板形件231的下端面向上穿出、并环绕圆柱形结构设置，以将第二连接件235与板形件231及本体22固定。应当理解，本公开的实施例不限于此。例如，本体22可通过焊接、铆接、榫接及其他任一种方式固定于板形件231上。
根据本公开的实施例，如图4所示，第一支承组件23还包括第二锁止件，可拆卸的设置于板形件231及第一工作面之间，以限制板形件231与第一工作面的相对位置。
在一种示意性的实施例中，第二锁止件包括但不限于第三螺钉234。
详细地，板形件231上设置有通孔，第一工作面上设置有与通孔的位置相对应的定位孔，在通孔与定位孔对齐的状态下，第三螺钉234可穿入定位孔内，以限制板形件231与工作面的相对位置。
图6是图2所示的示意性实施例的射线源机构摆转至打开状态时的立体示意图。
根据本公开的实施例，如图6所示，所述第一工作面上还设置有至少一个辅助弧形槽236，弧形槽233与辅助弧形槽236具有相同的弧心，并且辅助弧形槽236的半径大于弧形槽233的半径。
根据本公开的实施例，如图5和图6所示，板形件231的至少一部分与每个辅助弧形槽相对应的位置设置有通孔。伸缩部232设置于所述板形件231的与至少一部分通孔相对应的位置上。
在一种示意性的实施例中，第一工作面上设置有包括但不限于两个弧形槽233。
详细地，两个弧形槽233以第一轴线在竖直方向上所形成的投影为圆心，圆心对称设置形成大致环形的结构。
进一步的，第一工作面上设置有包括但不限于一个辅助弧形槽236。
在一种示意性的实施例中，板形件231的四角位置分别设置有包括但不限于四个伸缩部232，其中两个伸缩部232的万向球2322处于接触位置的状态抵靠在弧形槽233的槽底和/或槽壁，另外两个伸缩部232的万向球2322处于接触位置的状态下抵靠在辅助弧形槽236的槽底和/或槽壁。
这样的实施方式中，弧形槽233、辅助弧形槽236及多个伸缩部232适用于分散 本体22向板形件231施加的压力，以使射线源机构2在平移的过程中的受力均匀，即有利于防止本体22由于受力不均发生倾覆，又有利于提升本体22在平移过程中的平顺度。
根据本公开的实施例，如图6所示，射线源机构2还包括第二支承组件24，设置于板形件231的下端面，在板形件231的一部分旋转至与第一工作面脱离的状态下，第二支承组件24抵靠在板形件231及与第一工作面相平行的第二工作面之间，以对板形件231由第一工作面伸出的部分相对于所述第二工作面进行支承。
在一种示意性的实施例中，第一工作面表征为支架的第二凸出部12的上端面所形成的平面。
进一步的，第二工作面表征为支架下方的地面所形成的平面。
这样的实施方式中，板形件231旋转至如图5所示的位置，板形件231的部分(如图6所示的右端)由第一工作面脱离，处于悬空于第一工作面的状态。第二支承组件24沿纵向延伸，第二支承组件24的两端分别抵靠在板形件231的下端面及第二工作面上，以对板形件231及本体22进行支承，可较为有效的防止由于板形件231悬空所造成的本体22的中心偏移所导致的倾覆。
根据本公开的实施例，如图6所示，第二支承机构包括但不限于轮形件，在板形件231的一部分旋转至脱离第一工作面的状态下，轮形件抵靠在第二工作面上，以对板形件231进行支承、并引导板形件231沿第二工作面旋转。
在一种示意性的实施例中，轮形件包括但不限于万向轮241。
详细地，万向轮241设置于板形件231的下端面上，以在板形件231的一端(如图6所示的右端)旋转至与第一工作面脱离的状态下，对板形件231及本体22进行支承。
这样的实施方式中，可应用于机架1的尺寸受限的使用场景中，在机架1无法满足板形件231旋转至完整的行程的状态下，万向轮241可在板形件231脱离第一工作面后对板形件231进行支承及导向。这样有利于提升射线源机构2的稳定性，并拓展射线源机构2的使用场景。应当理解，本公开的实施例不限于此。
例如，第二支承机构可包括垫块、支座及其他可填充于第一工作面及第二工作面在竖直方向所形成间隙的其他结构。
根据本公开的实施例，如图6所示，第二支承组件24可拆卸的设置于板形件231 的下端面。
在一种示意性的实施例中，板形件231上预设有多个安装孔，待板形件231设置有安装孔的位置移动至与第一工作面脱离的位置的状态下，操作人员可将第二支承组件24放置于板形件231的下端面及第二工作面之间，并将第二支承组件24固定于安装孔内。
这样的实施方式中，第二支承组件24具有较高的灵活性，操作人员可依据实际的使用场景选择适合尺寸及强度的第二支承组件24。并且，第二支承组件24的适应性也较广，例如，在第二工作面较为平整的场景中，第二支承组件24可采用万向轮241，再如，在第二工作面具有局部凸出的不平整面的场景中，第二支承组件24可采用支撑杆、垫块或其他可对板形件231中的至少一种对本体22进行支承。
图7是图2所示的示意性实施例的射线源机构的一种第二支承组件部分的原理图。
根据本公开的实施例，如图7所示，第二支承组件24可伸缩的设置于板形件231的下端面，被构造成在脱离第二工作面的收缩位置及抵靠在第二工作面上的伸出位置之间移动。
在一种示意性的实施例中，第二支承组件24包括但不限于可伸缩的气缸、电动推杆、丝杠及其他具有伸缩及顶升功能的结构中的任一一种。
详细地，板形件231和/或机架1上设置有凹槽，第二支承组件24在收缩状态下，位于凹槽内，在伸出状态下，由凹槽伸出并支承于板形件231及第二工作面之间。
在另一种示意性的实施例中，第二支承组件24包括但不限于可伸缩的万向轮241。
详细地，万向轮241的伸缩方式包括但不限于沿竖直方向伸缩、沿水平方向折叠或其他具有伸缩功能的万向轮241及万向轮架机构。这里需要说明的是，万向轮241进行伸缩的具体方法，并不作为本公开的保护要点，任何本领域能够获悉的可伸缩的万向轮241均可选择适用，不再进行具体展开。
图8是根据本公开的一种示意性实施例的静态计算机断层扫描设备的立体图，其中，射线源机构处于打开状态。
本公开的示意性实施例还提供一种静态计算机断层扫描设备，如图1和图8所示，包括机架1、至少一个探测器机构3及至少一个射线源机构2。机架1内限定适用于放置被检测目标的检测通道13。探测器机构3设置于所述机架1的侧壁，每个探测器机构3上包括多个探测器阵列。探测器阵列3分别设置在射线源机构2和机架1之间。 射线源机构2被构造成在将探测器机构3遮蔽的闭合位置及将探测器机构3开放的打开位置之间移动。
这样的实施方式中，射线源机构2可枢转的设置于机架1上，在打开位置的状态下，射线源机构2将探测器机构3开放，以便操作人员对探测器机构3进行养护和/或维修。在闭合位置的状态下，复位至将探测器机构3遮蔽的位置，以使静态计算机断层扫描设备可进行断层扫描工作。
根据本公开的实施例，如图8所示，机架1的上端沿水平方向向外延伸形成第一凸出部11，机架1的下端形成与第一凸出部11相平行的第二凸出部12，探测器机构3设置于第一凸出部11及第二凸出部12之间，第一工作面形成在第二凸出部12的上侧。
这样的实施方式中，射线源机构2设置于机架1上，以使射线源机构2与探测器机构3具有较高的整体性，便于静态计算机断层扫描设备的整体安装、检修及运输。
根据本公开的实施例，如图8所示，静态计算机断层扫描设备包括分别设置在机架1的两个相对的侧壁外侧的两个探测器机构3、和分别设置在两个探测器机构3外侧的两个射线源机构2，并每个探测器机构3适用于接收来自于远离探测器机构3的射线源机构2、并且穿透被检测目标的射线。
这样的实施方式中，探测器机构3适用于接收由相面对的射线源机构2输出的穿过被检测目标的射线。
根据本公开的实施例，如图8所示，探测器机构3适用于接收基于来自于探测器机构3的射线从被检测目标散射的散射射线。
这样的实施方式中，牵拉组件21设置于第一凸出部11上，第一支承组件23设置于第二凸出部12与本体22之间，在本体由处于闭合位置的状态下，第一支承组件23处于接触位置，以使第一支承组件23在本体及自重的作用下与第一工作面之间形成沿第一工作面延伸的滑动摩擦，有利于维持本体在闭合位置的稳定。在本体由闭合位置脱离并移动至打开位置的状态下，第一支承组件23的一部分处于与第一工作面接触的接触状态，以使第一支承组件23和第一工作面之间形成滚动摩擦，以使操作人员在不使用吊具的情况下将本体22移动至打开位置，以使探测器机构3至少部分暴露于射线源机构之外，以便进行安装、维修或者更换。
本领域技术人员可以理解，本公开的各个实施例和/或权利要求中记载的特征可以 进行若干种组合或/或结合，即使这样的组合或结合没有明确记载于本公开中。特别地，在不脱离本公开精神和教导的情况下，本公开的各个实施例和/或权利要求中记载的特征可以进行若干种组合和/或结合。所有这些组合和/或结合均落入本公开的范围。
以上具体实施例，对本公开的目的、技术方案和有益效果进行了进一步详细说明，应理解的是，以上所述仅为本公开的具体实施例而已，并不用于限制本公开，凡在本公开的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。

Claims (25)

  1. 一种射线源机构，适用于安装在计算机断层扫描设备的机架(1)上，其特征在于，包括：
    本体(22)，适用于输出射线；
    牵拉组件(21)，适用于限制所述本体(22)相对于机架(1)的位置、并允许所述本体(22)绕所述牵拉组件(21)的第一轴线在靠近所述机架(1)的闭合位置及远离所述机架(1)的打开位置之间旋转；以及
    第一支承组件(23)，安装在所述本体(22)的下端，以支承所述本体(22)的下端相对于位于所述第一支承组件(23)的下方的第一工作面绕所述第一轴线平滑旋转；
    其中，所述第一支承组件(23)的一部分具有与所述第一工作面脱离的脱离状态、及与所述第一工作面在所述本体(22)脱离闭合位置的过程中接触的接触状态，以调节所述第一支承组件(23)与第一工作面的接触面积。
  2. 根据权利要求1所述的机构，其特征在于，所述第一支承组件(23)处于所述接触状态下，所述第一支承组件(23)与第一工作面形成滚动摩擦。
  3. 根据权利要求1或2所述的机构，其特征在于，所述牵拉组件(21)包括：
    第一连接件(214)，安装在所述本体(22)上；以及
    枢转部，可枢转的设置于所述第一连接件(214)及所述机架(1)之间，以支承所述本体在所述闭合位置及打开位置之间旋转。
  4. 根据权利要求3所述的机构，其特征在于，所述牵拉组件(21)还包括第一锁止件，适用于在所述枢转部处于闭合位置的状态下，限制所述第一连接件(214)相对于机架(1)的移动。
  5. 根据权利要求4所述的机构，其特征在于，所述第一连接件(214)被构造成包括块状结构，设置于所述本体(22)上，适用于与所述牵拉组件(21)连接。
  6. 根据权利要求4所述的机构，其特征在于，所述第一连接件(214)被构造成包括框架结构，所述第一连接件(214)包括：
    底板，安装在所述本体(22)的上端；
    侧板，与所述底板正交，并通过所述第一锁止件贴合到所述机架(1)的安装面上；以及
    纵板，与所述底板及侧板均正交，适用于与所述枢转部的一端连接。
  7. 根据权利要求6所述的机构，其特征在于，所述第一锁止件包括第一螺栓，所述第一螺栓可拆卸的设置于所述侧板及机架(1)之间，适用于将所述第一连接件(214)保持在与所述机架(1)相接触的位置。
  8. 根据权利要求3所述的机构，其特征在于，所述枢转部包括：
    第一铰座(211)，设置于所述机架(1)上；以及
    拉杆(212)，所述拉杆(212)的一端可枢转的设置于所述第一铰座上，所述拉杆的另一端适用于与所述第一连接件(214)连接；
    其中，所述拉杆(212)绕所述第一铰座(211)旋转的轴限定所述第一轴线。
  9. 根据权利要求8所述的机构，其特征在于，所述枢转部还包括第二铰座(213)，所述第二铰座(213)安装在与所述拉杆相面对的第一连接件(214)的端面上，所述拉杆(212)的另一端可枢转的安装在所述第二铰座(213)上，以使所述拉杆(212)具有绕所述第二铰座(213)的第二轴线旋转的自由度。
  10. 根据权利要求1至6中任一所述的机构，其特征在于，所述第一工作面的上端面设置有至少一个弧形槽，所述弧形槽的弧心位于所述第一轴线上，所述第一支承组件(23)包括：
    板形件(231)，适用于设置支承本体(22)，所述板形件(231)的至少一部分与每个所述弧形槽相对应的位置设置有通孔；以及
    伸缩部(232)，设置于所述板形件(231)的与至少一部分所述通孔相对应的位置上。
  11. 根据权利要求10所述的机构，其特征在于，所述伸缩部(232)包括设置于所述伸缩部(232)的与第一工作面相面对的端部的万向球(2322)，所述万向球(2322)被构造成在与第一工作面接触的接触位置及与第一工作面脱离的脱离位置之间移动；
    其中，在所述第一支承组件(23)处于脱离状态下，所述万向球(2322)位于所述通孔内、位于脱离所述弧形槽的脱离位置，在所述第一支承组件(23)处于接触状态下，所述万向球(2322)的至少一部分由所述通孔伸出、以抵靠在所述弧形槽的槽底，并随所述本体的转动沿所述弧形槽滚动的接触位置。
  12. 根据权利要求11所述的机构，其特征在于，所述伸缩部(232)还包括：
    基座(2323)，设置于所述板形件(231)上；
    螺杆(2324)，套设于所述基座(2323)内，并与所述基座(2323)螺纹配合；以及
    万向球座(2325)，设置于所述螺杆(2324)的下端部；
    其中，所述万向球座(2325)内设置有所述万向球(2322)。
  13. 根据权利要求10所述的机构，其特征在于，所述第一支承组件(23)还包括第二连接件(235)，所述第二连接件(235)适用于将所述本体(22)限制于所述板形件(231)上。
  14. 根据权利要求13所述的机构，其特征在于，所述第二连接件(235)的与所述本体(22)相面对的端部由所述板形件(231)的上端面凸出、并伸入所述本体(22)内，以将所述本体(22)限制于所述板形件(231)上。
  15. 根据权利要求10所述的机构，其特征在于，所述第一支承组件(23)还包括第二锁止件，可拆卸的设置于板形件(231)及第一工作面之间，以限制所述板形件(231)与第一工作面的相对位置。
  16. 根据权利要求10至15中任一所述的机构，其特征在于，所述第一工作面上还设置有至少一个辅助弧形槽(236)，所述弧形槽(233)与所述辅助弧形槽(236)具有相同的弧心，并且所述辅助弧形槽(236)的半径大于所述弧形槽(233)的半径。
  17. 根据权利要求16所述的机构，其特征在于，所述板形件(231)的至少一部分与每个所述辅助弧形槽相对应的位置设置有通孔；以及
    伸缩部(232)，设置于所述板形件(231)的与至少一部分所述通孔相对应的位置上。
  18. 根据权利要求10所述的机构，其特征在于，还包括第二支承组件(24)，设置于所述板形件(231)的下端面，在所述板形件(231)的一部分旋转至脱离所述第一工作面的状态下，所述第二支承组件(24)抵靠在所述板形件(231)及与所述第一工作面相平行的第二工作面之间，以对所述板形件(231)由所述第一工作面伸出的部分相对于所述第二工作面进行支承。
  19. 根据权利要求18所述的机构，其特征在于，所述第二支承组件(24)包括轮形件，在所述板形件(231)的一部分旋转至脱离所述第一工作面的状态下，所述轮形件抵靠在所述第二工作面上，以对所述板形件(231)进行支承、并引导所述板形件(231)沿所述第二工作面旋转。
  20. 根据权利要求18或19所述的机构，其特征在于，所述第二支承组件(24)可拆卸的安装在所述板形件(231)的下端面。
  21. 根据权利要求18或19所述的机构，其特征在于，所述第二支承组件(24)可伸缩的设置于所述板形件(231)的下端面，并被构造成在脱离所述第二工作面的收缩位置及抵靠在所述第二工作面上的伸出位置之间移动。
  22. 一种计算机断层扫描设备，其特征在于，包括：
    机架(1)，所述机架内限定适用于放置被检测目标的检测通道(13)；
    至少一个探测器机构(3)，包括多个探测器阵列，设置于所述机架(1)的侧壁上；以及
    至少一个如权利要求1至21中任一所述的射线源机构(2)，至少一个探测器阵列分别设置在所述射线源机构和机架之间；
    其中，所述射线源机构(2)被构造成在将所述探测器机构(3)遮蔽的闭合位置及将所述探测器机构(3)开放的打开位置之间移动。
  23. 根据权利要求22所述的设备，其特征在于，所述机架(1)的上端沿水平方向向外延伸形成第一凸出部(11)，所述机架(1)的下端形成与所述第一凸出部(11)相平行的第二凸出部(12)，所述探测器机构(3)设置于所述第一凸出部(11)及第二凸出部(12)之间，第一工作面形成在所述第二凸出部(12)的上侧。
  24. 根据权利要求22或23所述的设备，其特征在于，包括分别设置在所述机架(1)的两个相对的侧壁外侧的两个所述探测器机构(3)、和分别设置在两个所述探测器机构(3)外侧的两个射线源机构(2)，每个探测器机构(3)适用于接收来自于远离所述探测器机构(3)的射线源机构(2)、并且穿透所述被检测目标的射线。
  25. 根据权利要求22或23所述的设备，其特征在于，所述探测器机构(3)适用于接收基于来自于所述探测器机构(3)的射线从所述被检测目标散射的散射射线。
PCT/CN2023/108790 2022-08-08 2023-07-24 射线源机构及静态计算机断层扫描设备 WO2024032357A1 (zh)

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