A highly adaptable base for a CT device

By designing a high-adaptive base for CT equipment, using the principle of pneumatic top and ball ball sleeve, the problem of heavy disassembly and damage risks during maintenance of CT equipment is solved, and rapid handling and fixing is achieved, simplifying the maintenance process.

CN115944313BActive Publication Date: 2025-06-20FMI MEDICAL SYST CO LTD
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Patent Information

Application Number
CN202211724440.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-26
Publication Date
2025-06-20
Estimated Expiration
2042-12-26

AI Technical Summary

Technical Problem

During maintenance and rectification, existing CT equipment requires a lot of time to be disassembled and reassembled, which is a heavy process and may damage components.

Method used

A highly adaptable base for CT equipment, including a support table, side jacket and air column pipe system, is designed to simplify the handling process using the principle of air pressure top, and to achieve handling without disassembly through the cooperation of balls and ball sleeves.

Benefits of technology

It realizes rapid handling and fixing of CT equipment, reduces working time and disassembly damage risks, and simplifies the maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a highly adaptable base for a CT device, relating to the technical field of bases. It includes a CT gantry body, and a base assembly is arranged below the CT gantry body. The base assembly includes a supporting table and two side clamping sleeves. The two side clamping sleeves are located at both ends of the upper side of the supporting table, and the two side clamping sleeves are arranged symmetrically along the CT gantry body in a mirror image. Air column tubes vertically arranged are fixedly installed at the four corners of the supporting table. The present invention is applicable to the fixing process of the gantry part in a CT device. During use, it can not only meet the stable fixing state, but also use the principle of air pressure jack to apply reverse force, so that the overall fixing base can be appropriately lifted to a certain height to facilitate the handling process of the overall CT gantry, without the need to disassemble and refix the CT gantry. During the fixing and transportation processes, two methods of lateral force unloading and gravity pendulum ball force unloading are respectively used to play a dual protection role for the CT gantry part.
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Description

Technical Field

[0001] The present invention relates to the technical field of bases, and particularly to a highly adaptable base for a CT device. Background Art

[0002] For a CT device, its main components mainly include a scanning bed, a scanning gantry, a high-voltage generator, and a computer system. Among them, the scanning gantry is an important component of the CT machine, which is equipped with components such as an X-ray tube, a filter, a collimator, a reference detector, a detector, and various electronic circuits. It completes the scanning work on the human body through rotational and forward-backward tilting movements.

[0003] Regarding the installation process of the scanning gantry in a CT device, mostly various components are assembled at a specified position first, and finally the scanning gantry is positioned and fixed. The fixed method adopted is a fixed-point installation method. Among them, the scanning bed is fixedly installed according to the position of the scanning gantry. However, when the CT department is rectified or the CT device is repaired and transported, professional personnel often need to disassemble the scanning gantry on-site and then transport various components one by one. After the rectification is completed, reassembly and fixation are carried out again.

[0004] The disassembly process and the reassembly process of the above process require a large amount of working time, the working process is relatively heavy, and the fixed position needs to be repositioned. In addition, during the disassembly process, various components may be damaged to a certain extent.

[0005] In view of the above technical problems, the present application proposes a solution. Summary of the Invention

[0006] The purpose of the present invention is to provide a highly adaptable base for a CT device, which is used to solve the problem that the current fixing method of CT devices is mostly a fixed-point installation method. When the CT device needs to be repaired or rectified, a large amount of working time is required to disassemble and classify the CT device again, the process is heavy and there is a risk of damaging the CT device.

[0007] The purpose of the present invention can be achieved by the following technical solutions:

[0008] A highly adaptable base for a CT device, including a CT gantry body. A base assembly is provided below the CT gantry body. The base assembly includes a supporting table and two side clamping sleeves. The two side clamping sleeves are located at both ends of the upper side of the supporting table, and the two side clamping sleeves are arranged symmetrically about the CT gantry body. Four vertical air column pipes are fixedly installed at the four corners of the supporting table, and air cylinders are installed at both ends inside the supporting table. The output end of the air cylinder is communicated with the inside of the air column pipe. The bottom end of the air column pipe extends to the lower side inside the supporting table, and a first piston rod arranged vertically is provided inside the air column pipe. A ball socket is installed at the bottom end of the first piston rod, and a rolling ball is provided inside the ball socket;

[0009] A cross positioning frame is installed at the center point position inside the supporting table. Supporting seat pieces are installed at four points of the cross positioning frame, and a first force dividing ball is installed at the center point position of the cross positioning frame. Four second force dividing balls are provided inside the supporting table, and the four second force dividing balls are arranged in a circular array around the first force dividing ball. Side unloading structures are provided inside the two side clamping sleeves.

[0010] It is further set that: the outer edge of the lower side of the supporting seat piece is tubular. The tangent plane of the lower side of the first force dividing ball is flush with the tangent plane of the lower side of the supporting seat piece. The tangent plane of the lower side of the second force dividing ball is higher than the tangent plane of the lower side of the supporting seat piece.

[0011] It is further set that: movable plates are provided inside both the first force dividing ball and the second force dividing ball. Upper positioning columns arranged vertically are installed at the center points of the inner walls at the top ends of the first force dividing ball and the second force dividing ball. The lower end position of the upper positioning column is movably connected to the center point position of the upper surface of the movable plate. A swinging cone ball arranged vertically is installed at the center position of the lower surface of the movable plate, and the movable plate is movably connected inside the inner walls of the first force dividing ball and the second force dividing ball.

[0012] It is further set that: a plurality of second dampers are installed on the inner walls above the movable plate of the first force dividing ball and the second force dividing ball. The plurality of second dampers are arranged in a circular array around the center point position of the movable plate, and the ends of the second dampers are movably connected to the upper surface of the movable plate.

[0013] It is further set that: the side unloading structure includes a fixed wedge seat, a movable wedge seat and a side arc plate. The fixed wedge seat is installed at one end inside the side clamping sleeve. The movable wedge seat is located between the fixed wedge seat and the CT gantry body. The side arc plate is installed on the outer wall of the movable wedge seat close to the CT gantry body;

[0014] A plurality of guiding sliding grooves are formed in the inclined plane position of the fixed inclined wedge seat close to the movable inclined wedge seat, a guiding strip matching the guiding sliding grooves is installed on the inclined plane position of the movable inclined wedge seat close to the fixed inclined wedge seat, and a plurality of rubber stripe protrusions are installed on the outer wall position of the lateral arc plate close to one side of the CT gantry body.

[0015] It is further set that: a plurality of vertical buffer holes are formed in the upper surface position of the fixed inclined wedge seat, a first damper is installed at the bottom end inside the vertical buffer holes, the upper end of the first damper is located at the lower end position of the upper side plane of the movable inclined wedge seat, and there is no connection between the top end of the first damper and the movable inclined wedge seat.

[0016] It is further set that: an upper pressing plate is arranged on the upper surface plane of the movable inclined wedge seat, a vertically arranged lead screw is rotatably installed at the center point position of the upper surface of the upper pressing plate, the lead screw penetrates upward to the upper side position of the side clamping sleeve, and a threaded positioning block is installed at the intersection of the side clamping sleeve and the lead screw, and the lead screw and the threaded positioning block are in threaded connection.

[0017] It is further set that: an intermediate partition plate is arranged on the outer wall position of the fixed inclined wedge seat close to the movable inclined wedge seat, the intermediate partition plate is located at the middle position between adjacent guiding sliding grooves, a side wedge block is installed inside the outer wall on the other side of the fixed inclined wedge seat, a second piston rod is installed at the center point position of the side wedge block close to the intermediate partition plate, and a piston sleeve is slidably installed on the second piston rod.

[0018] It is further set that: a top position spring is arranged on the part of the second piston rod below the piston sleeve, a rubber sheet is installed at one end of the piston sleeve close to the intermediate partition plate, and the rubber sheet is bonded to the center point position of the intermediate partition plate on one side.

[0019] The present invention has the following beneficial effects:

[0020] 1. The present invention uses two side clamping sleeves and a supporting table as the fixed base of the CT gantry body. Under the normal operation of the CT equipment, the use requirements of sufficient fixation can be met. When it is necessary to carry / transfer the CT gantry body, a reverse force is applied by using the principle of pneumatic jacking, and the overall structure is lifted to a certain height by a plurality of first piston rods. The overall structure is supported by ball bearings, and the characteristics between the ball bearings and the ball sleeves are utilized to simplify the handling process, and there is no need to disassemble and reassemble the CT gantry.

[0021] 2. During the handling and fixation process, force protection is carried out from the two side positions and the lower side position of the CT gantry body respectively. Among them, the lateral external force that the CT gantry body may receive is converted into a vertical external force through the fixed inclined wedge seat and the movable inclined wedge seat. And during this process, the converted vertical external force drives the movable inclined wedge seat to move obliquely, so as to "consume" the lateral external force, and the fixed inclined wedge seat does not participate in the oblique movement.

[0022] 3. Finally, during the transportation process, under the action of gravity, the movable plate therein performs a free linear pendulum motion under the action of the pendulum cone ball, and accordingly cooperates with a plurality of second dampers for appropriate contraction or extension. The purpose is to use the external force generated by the bumpiness during the transportation process as the "source power" to cooperate with the second dampers to do useless work, thereby reducing the impact of the external force on the CT gantry body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0024] Figure 1 is a schematic structural diagram of a highly adaptable base for a CT device proposed by the present invention;

[0025] Figure 2 is a schematic structural diagram of a base assembly in a highly adaptable base for a CT device proposed by the present invention;

[0026] Figure 3 is a sectional view of a side clamping sleeve component in a highly adaptable base for a CT device proposed by the present invention;

[0027] Figure 4 is a schematic structural diagram of a side positioning structure in a highly adaptable base for a CT device proposed by the present invention;

[0028] Figure 5 in a highly adaptable base for a CT device proposed by the present invention Figure 4 front view;

[0029] Figure 6 is a schematic structural diagram of a fixed wedge seat component in a highly adaptable base for a CT device proposed by the present invention;

[0030] Figure 7 is a sectional view of a fixed wedge seat component in a highly adaptable base for a CT device proposed by the present invention;

[0031] Figure 8 is a sectional view of a side wedge block component in a highly adaptable base for a CT device proposed by the present invention;

[0032] Figure 9 is a sectional view of a support table component in a highly adaptable base for a CT device proposed by the present invention;

[0033] Figure 10Cross-sectional view of an air column tube component in a highly adaptable base for a CT device proposed by the present invention;

[0034] Figure 11 Schematic structural diagram of a cross positioning frame component in a highly adaptable base for a CT device proposed by the present invention;

[0035] Figure 12 Cross-sectional view of a first component force ball in a highly adaptable base for a CT device proposed by the present invention.

[0036] In the figure: 1, supporting table; 2, side clamping sleeve; 3, CT gantry body; 4, side arc plate; 401, rubber stripe protrusion; 5, threaded positioning block; 6, lead screw; 7, upper pressure plate; 8, fixed wedge seat; 9, movable wedge seat; 10, first damper; 11, guiding chute; 12, intermediate partition; 13, vertical buffer hole; 14, side wedge block; 15, piston sleeve; 16, rubber sheet; 17, guiding strip; 18, top position spring; 19, cylinder; 20, air column tube; 21, second component force ball; 22, cross positioning frame; 23, first component force ball; 24, first piston rod; 25, ball sleeve; 26, rolling ball; 27, supporting seat plate; 28, upper positioning column; 29, second damper; 30, movable plate; 31, pendulum cone ball; 32, second piston rod. Specific embodiments

[0037] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0038] Embodiment 1

[0039] During the renovation of the CT department or the repair and handling of the CT device, it is often necessary for professional personnel to disassemble the scanning frame again and then transport various components one by one. After the renovation is completed, reassembly and fixation are required again, which takes a lot of working time, the working process is relatively heavy, and repositioning and fixation are needed. In addition, during the disassembly process, certain damages may be caused to various components. Therefore, the following technical solutions are proposed:

[0040] As Figures 1-12, in this embodiment, a highly adaptable base for a CT device includes a CT gantry body 3. A base assembly is provided below the CT gantry body 3. The base assembly includes a supporting table 1 and two side clamping sleeves 2. The two side clamping sleeves 2 are located at both ends of the upper side of the supporting table 1, and the two side clamping sleeves 2 are arranged symmetrically with respect to the CT gantry body 3. Vertical air column pipes 20 are fixedly installed at the four corners of the supporting table 1, and air cylinders 19 are installed at both ends inside the supporting table 1. The output end of the air cylinder 19 communicates with the inside of the air column pipe 20. The bottom end of the air column pipe 20 extends to the lower side inside the supporting table 1, and a first piston rod 24 arranged vertically is provided inside the air column pipe 20. A ball sleeve 25 is installed at the bottom end of the first piston rod 24, and a rolling ball 26 is arranged inside the ball sleeve 25;

[0041] A cross positioning frame 22 is installed at the center point position inside the supporting table 1. Support seat pieces 27 are installed at four points of the cross positioning frame 22, and a first force dividing ball 23 is installed at the center point position of the cross positioning frame 22. Four second force dividing balls 21 are arranged inside the supporting table 1, and the four second force dividing balls 21 are arranged in a circular array along the first force dividing ball 23. Side unloading structures are arranged inside the two side clamping sleeves 2.

[0042] The outer edge of the lower side of the support seat piece 27 is tubular. The tangent plane on the lower side of the first force dividing ball 23 is flush with the tangent plane on the lower side of the support seat piece 27. The tangent plane on the lower side of the second force dividing ball 21 is higher than the tangent plane on the lower side of the support seat piece 27.

[0043] Working principle: As Figure 1 shown, the CT gantry body 3 is placed on the supporting table 1, and the CT gantry body 3 can be installed on the supporting table 1 with screws. The two side clamping sleeves 2 are located on both sides of the CT gantry body 3, and then it can be fixed from the side position of the CT gantry body 3;

[0044] During the installation process of the CT device, first, at a designated place, such as in a CT room in a hospital, the supporting table 1 is installed first. At this time, the entire supporting table 1 is supported by the four support seat pieces 27, and the position of the rolling ball 26 is higher than that of the support seat piece 27. Therefore, after the CT gantry body 3 is installed, the overall structure forms an integral body with the CT gantry body 3. Finally, structures such as the CT scanning bed are assembled according to the position of the CT gantry body 3, which will not be elaborated here;

[0045] It should be noted that when the CT department needs to be rectified and repaired, the CT scanning bed needs to be removed first, and the CT machine head body 3 does not need to be disassembled. At this time, the air cylinder 19 is started to inject high-pressure gas into the air column tube 20, so that the first piston rod 24 moves downward, and the principle of the air pressure top is used to apply a reverse force to the supporting table 1, so that the position of the ball 26 of the air column slowly contacts the ground of the CT department and continues to move downward until the overall structure is lifted to a certain height. The overall structure is supported by the ball 26, and the ball 26 can roll in the ball sleeve 25, so as to facilitate the handling of the overall CT machine head body 3 and achieve the purpose of simplifying the handling process;

[0046] When the overall structure needs to be fixed again, the air cylinder 19 is started again to slowly reduce the gas inside the air column tube 20, so that the four supporting seat pieces 27 slowly contact the ground, and the overall structure is supported by the supporting seat pieces 27.

[0047] Embodiment 2

[0048] This embodiment describes the force relief method inside the first sub-force ball and the second sub-force ball:

[0049] An activity plate 30 is arranged inside both the first sub-force ball 23 and the second sub-force ball 21. And a vertically arranged upper positioning column 28 is installed at the center point position of the top end of the inner wall of the first sub-force ball 23 and the second sub-force ball 21. There is an activity connection between the lower end position of the upper positioning column 28 and the center point position of the upper surface of the activity plate 30. A pendulum cone ball 31 arranged vertically is installed at the center position of the lower surface of the activity plate 30. And the activity plate 30 is movably connected in the inner walls of the first sub-force ball 23 and the second sub-force ball 21. A plurality of second dampers 29 are installed on the inner walls of the first sub-force ball 23 and the second sub-force ball 21 above the activity plate 30. The plurality of second dampers 29 are arranged in a circular array along the center point position of the activity plate 30. And the end of the second damper 29 is movably connected to the upper surface of the activity plate 30.

[0050] The advantages are as follows: During the handling process, although the balls 26 and the ball sleeves 25 are used to achieve the purpose of simplifying the handling process, during the handling process, it is inevitable to encounter bumps and generate vibration external forces, causing the overall structure to vibrate, and causing damage to the electrical components inside the CT machine head body 3. Therefore, the first sub-force ball 23 and the second sub-force ball 21 are used as the structures for dispersing the vibration external forces, specifically as follows:

[0051] Step 1: The movable plate 30 provided in the first component force ball 23 and the second component force ball 21 can move freely. The movement process is "determined" by the movement of the pendulum cone ball 31. Under the action of the gravitational field, the direction of the pendulum cone ball 31 is perpendicular to the movable plate 30. Therefore, when the overall structure is affected by external vibration forces, the pendulum cone ball 31 performs a cycloid motion with the external vibration force as the "prime mover", and drives the movable plate 30 to move appropriately in cooperation with the pendulum cone ball 31. Under the action of gravity, the pendulum cone ball 31 synchronously makes appropriate movements. The two movement processes cooperate with each other. In other words, it can be understood that the external vibration force and gravity acting on the overall structure cooperate to do work, reducing the impact of the external vibration force on the overall structure, and the activities participated by the movable plate 30 and the pendulum cone ball 31 will not affect the overall structure. The useless work they do is only to make the external vibration force and gravity cooperate and "offset" each other;

[0052] Process 2: The principle of the damper needs to be utilized in this part. The damper stores and releases kinetic energy to achieve the function of shock absorption and protection. However, in this embodiment, the second damper 29 also needs to play a role in restricting the movement range of the movable plate 30.

[0053] Embodiment 3

[0054] This embodiment illustrates the force discharge method inside the side jacket:

[0055] The side force discharge structure includes a fixed wedge seat 8, a movable wedge seat 9, and a side arc plate 4. The fixed wedge seat 8 is installed at one end inside the side jacket 2. The movable wedge seat 9 is located between the fixed wedge seat 8 and the CT gantry body 3. The side arc plate 4 is installed on the outer wall of the movable wedge seat 9 close to the CT gantry body 3;

[0056] A plurality of guiding chutes 11 are formed on the inclined surface of the fixed wedge seat 8 close to the movable wedge seat 9. A guiding strip 17 matching the guiding chutes 11 is installed on the inclined surface of the movable wedge seat 9 close to the fixed wedge seat 8. A plurality of rubber stripe protrusions 401 are installed on the outer wall of the side arc plate 4 on the side close to the CT gantry body 3.

[0057] A plurality of vertical buffer holes 13 are formed on the upper surface of the fixed wedge seat 8. A first damper 10 is installed at the bottom end inside the vertical buffer holes 13. The upper end of the first damper 10 is located at the lower end of the upper side plane of the movable wedge seat 9, and the top end of the first damper 10 is not connected to the movable wedge seat 9.

[0058] An upper pressure plate 7 is arranged on the upper surface plane of the movable wedge seat 9. A vertically arranged lead screw 6 is rotatably installed at the center point of the upper surface of the upper pressure plate 7. The lead screw 6 penetrates upward to the upper side of the side jacket 2. A threaded positioning block 5 is installed at the intersection of the side jacket 2 and the lead screw 6. The lead screw 6 is threadedly connected to the threaded positioning block 5.

[0059] An intermediate partition plate 12 is provided at a position on the outer wall of the fixed wedge seat 8 close to the movable wedge seat 9. The intermediate partition plate 12 is located at the middle position of the adjacent guide chute 11. Inside the inner wall of the other side of the fixed wedge seat 8, a side wedge block 14 is installed. A second piston rod 32 is installed at a position close to the center point of the intermediate partition plate 12 of the side wedge block 14, and a piston sleeve 15 is slidably installed on the second piston rod 32.

[0060] A top spring 18 is provided on the lower side portion of the second piston rod 32 located below the piston sleeve 15. One end of the piston sleeve 15 close to the intermediate partition plate 12 is installed with a rubber sheet 16, and the rubber sheet 16 is bonded to the center point position between one side and the intermediate partition plate 12.

[0061] Its advantages are as follows: Similar to Embodiment 2, this embodiment is also a way to discharge the external vibration force. The difference is that this embodiment is aimed at the force received at the side position of the CT head body 3, and the force discharge method is different:

[0062] A: The lateral force of the CT head body 3 is transmitted to the movable wedge seat 9 through the side arc plate 4, and theoretically drives the movable wedge seat 9 to move in the horizontal direction. However, the principle of the wedge block is utilized here, and the movable wedge seat 9 can move along the inclined surface of the fixed wedge seat 8 in the inclined direction, thereby changing the lateral force into a vertical force;

[0063] B: When the movable wedge seat 9 moves, the bottom end of the first damper 10 is installed on the fixed wedge seat 8, and its upper end is located at the lower end of the movable wedge seat 9. Therefore, when the movable wedge seat 9 moves relative to the fixed wedge seat 8, the first damper 10 is used to shock-absorb and protect the movement process of the movable wedge seat 9.

[0064] The purpose of the above two processes of Part A and Part B is: to cooperate with the lateral force direction of the CT head body 3, so that the movable wedge seat 9 can move in the corresponding vertical direction. When the movable wedge seat 9 moves, the CT head body 3 can be further clamped and stabilized, and the influence of the lateral force on the CT head body 3 can be reduced.

[0065] In addition, when fixing the CT head body 3 in Embodiment 1, it is necessary to rotate the screw rod 6 to lower the upper pressure plate 7. The purpose is to promote the movable wedge seat 9 to move downward to the maximum distance to complete the fixation of the CT head body 3. However, during the handling process, it is necessary to separate the upper pressure plate 7 from the movable wedge seat 9 to make the movable wedge seat 9 in a "free movement" state.

[0066] The purpose of the side wedge block 14 is: when the movable wedge seat 9 approaches the fixed wedge seat 8, the pressure generated when the piston sleeve 15 moves in the second piston rod 32 can be used to further buffer and protect the lateral external force of the CT head body 3.

[0067] In summary: With two side jackets and a supporting table as the fixed base of the CT gantry body, under normal operation of the CT device, the requirements for sufficient fixation can be met. When it is necessary to carry / transfer the CT gantry body, the principle of pneumatic jacking is used to apply reverse force, and multiple first piston rods are used to lift the overall structure to a certain height. The overall structure is supported by balls, and the characteristics between the balls and the ball sleeves are utilized to simplify the handling process, and there is no need to disassemble and reassemble the CT gantry.

[0068] The above content is only an example and explanation of the structure of the present invention. Those skilled in the art of this technology can make various modifications or supplements to the described specific embodiments or use similar methods to replace them. As long as they do not deviate from the structure of the invention or exceed the scope defined by this claim book, they should fall within the protection scope of the present invention.

[0069] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0070] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only the specific implementation manners. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments to better explain the principle and practical application of the present invention, so that those skilled in the art of this technology can well understand and utilize the present invention. The present invention is only limited by the claim book and its full scope and equivalents.

Claims

1. A highly adaptable base for a CT device, comprising a CT gantry body (3), characterized in that, A base assembly is provided on the lower side of the CT gantry body (3). The base assembly includes a supporting table (1) and two side clamping sleeves (2). The two side clamping sleeves (2) are located at both ends of the upper side of the supporting table (1), and the two side clamping sleeves (2) are arranged in mirror symmetry along the CT gantry body (3). Four vertical air column pipes (20) are fixedly installed at the four corners of the supporting table (1), and air cylinders (19) are installed at both ends inside the supporting table (1). The output end of the air cylinder (19) is communicated with the inside of the air column pipe (20). The bottom end of the air column pipe (20) extends to the lower side inside the supporting table (1), and a first piston rod (24) arranged vertically is provided inside the air column pipe (20). A ball socket (25) is installed at the bottom end of the first piston rod (24), and a rolling ball (26) is arranged inside the ball socket (25). A cross positioning frame (22) is installed at the center point position inside the supporting table (1). Supporting seat pieces (27) are installed at four points of the cross positioning frame (22), and a first force dividing ball (23) is installed at the center point position of the cross positioning frame (22). Four second force dividing balls (21) are arranged inside the supporting table (1). The four second force dividing balls (21) are arranged in a circular array along the first force dividing ball (23). Side unloading structures are arranged inside the two side clamping sleeves (2). Moving plates (30) are arranged inside both the first force dividing ball (23) and the second force dividing balls (21). An upper positioning column (28) arranged vertically is installed at the center point position of the top end inner wall of the first force dividing ball (23) and the second force dividing balls (21). The lower end position of the upper positioning column (28) is movably connected to the center point position of the upper surface of the moving plate (30). A pendulum cone ball (31) arranged vertically is installed at the center position of the lower surface of the moving plate (30), and the moving plate (30) is movably connected inside the inner walls of the first force dividing ball (23) and the second force dividing balls (21). The side unloading structure includes a fixed wedge seat (8), a movable wedge seat (9), and a side arc plate (4). The fixed wedge seat (8) is installed at one end position inside the side clamping sleeve (2). The movable wedge seat (9) is located at the middle position between the fixed wedge seat (8) and the CT gantry body (3). The side arc plate (4) is installed on the outer wall of the movable wedge seat (9) close to the CT gantry body (3). A plurality of guiding sliding grooves (11) are formed on the inclined surface of the fixed wedge seat (8) close to the movable wedge seat (9). A guiding strip (17) matching the guiding sliding grooves (11) is installed on the inclined surface of the movable wedge seat (9) close to the fixed wedge seat (8). A plurality of rubber stripe protrusions (401) are installed on the outer wall of the side arc plate (4) on the side close to the CT gantry body (3).

2. The highly adaptable base for a CT device according to claim 1, characterized in that, The outer edge of the lower side of the supporting seat piece (27) is tubular. The tangent plane of the lower side of the first force dividing ball (23) is flush with the tangent plane of the lower side of the supporting seat piece (27). The tangent plane of the lower side of the second force dividing balls (21) is higher than the tangent plane of the lower side of the supporting seat piece (27).

3. The highly adaptable base for a CT device according to claim 1, characterized in that, The first component force ball (23) and the second component force ball (21) are located on the upper inner wall of the movable plate (30), and a plurality of second dampers (29) are installed. The plurality of second dampers (29) are arranged in a circular array along the center point position of the movable plate (30), and the end of the second damper (29) is movably connected to the upper surface of the movable plate (30).

4. The highly adaptable base for a CT device according to claim 1, characterized in that, A plurality of vertical buffer holes (13) are formed in the upper surface position of the fixed wedge seat (8). A first damper (10) is installed at the bottom end inside the vertical buffer hole (13). The upper end of the first damper (10) is located at the lower end position of the upper side plane of the movable wedge seat (9), and the top end of the first damper (10) is not connected to the movable wedge seat (9).

5. The highly adaptable base for a CT device according to claim 1, characterized in that, An upper pressure plate (7) is arranged on the upper surface plane of the movable wedge seat (9). A vertically arranged lead screw (6) is rotatably installed at the center point position of the upper surface of the upper pressure plate (7). The lead screw (6) penetrates upward to the upper side position of the side clamping sleeve (2). A threaded positioning block (5) is installed at the intersection of the side clamping sleeve (2) and the lead screw (6). The lead screw (6) is threadedly connected to the threaded positioning block (5).

6. The highly adaptable base for a CT device according to claim 1, characterized in that, An intermediate partition plate (12) is arranged on the outer wall of the fixed wedge seat (8) close to the movable wedge seat (9). The intermediate partition plate (12) is located at the middle position of the adjacent guide chute (11). A side wedge block (14) is installed inside the outer wall on the other side of the fixed wedge seat (8). A second piston rod (32) is installed at the center point position of the side wedge block (14) close to the intermediate partition plate (12). A piston sleeve (15) is slidably installed on the second piston rod (32).

7. The highly adaptable base for a CT device according to claim 6, characterized in that, A top spring (18) is arranged on the lower side part of the second piston rod (32) located below the piston sleeve (15). A rubber sheet (16) is installed at one end of the piston sleeve (15) close to the intermediate partition plate (12). One side of the rubber sheet (16) is bonded to the center point position of the intermediate partition plate (12).

Citation Information

Patent Citations

  • Gantry of x-ray ct scanner

    JP1994178769A

  • X-ray transparent bed and gurney extender for use with mobile computerized tomography (CT) imaging systems

    US20100205740A1