Cultural relic CT (Computed Tomography) scanning detection equipment

Abstract

The invention discloses cultural relic CT scanning detection equipment, and relates to the technical field of scanning equipment, the cultural relic CT scanning detection equipment comprises a scanning platform and a CT scanner arranged on the scanning platform, one side of the scanning platform is provided with a first object placing table and a second object placing table which can rotate synchronously, and the first object placing table and the second object placing table are distributed from high to low; a first carrying frame and a second carrying frame are fixed to the ends, close to each other, of the first storage table and the second storage table correspondingly. Through a mode of continuously scanning the two cultural relics, while the scanning efficiency is improved, the phenomenon that fragile cultural relics are damaged due to vibration and collision in the process of carrying the cultural relics one by one can be reduced. The cultural relics are loaded and unloaded at a low station all the time, physical output caused by manual lifting of the cultural relics to a high station is avoided, and the risk that the cultural relics slide down during high-place operation is reduced. The process of adjusting the position of the cultural relics to receive scanning operation is stable and controllable, and the safety in the cultural relic carrying and scanning process is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of scanning equipment, and in particular to a cultural relic CT scanning and detecting device. BACKGROUND

[0002] CT scanning is a core non-destructive testing technology in cultural relic restoration and archaeological research, and its core value lies in comprehensively analyzing internal structure, disease condition and process information without damaging the cultural relics, thereby providing accurate basis for restoration, protection and research. The cultural relics obtained in archaeological exploration are mostly in the condition of "perfect surface and internal damage", such as internal rust holes of bronze ding, hidden cracks of ceramic ware and body decay of organic cultural relics, which cannot be detected by traditional naked eye or local sampling. CT scanning can penetrate the cultural relics, clearly present the internal details through tomographic imaging, without disassembly or sampling, thereby avoiding irreversible damage to fragile cultural relics. The disease position and range are determined, such as the thickness of the internal rust layer of ironware, the spread of the spongy alkali area of pottery and the internal crack direction of stone cultural relics, thereby providing basis for priority order of restoration. Moreover, through CT scanning technology, the disease causes can be analyzed. Specifically, through internal structure changes, it can be judged whether the cultural relic damage is natural aging, buried environment influence or human factors, and the restoration material and process are selected accordingly.

[0003] The existing CT device for cultural relic scanning mostly needs to manually place the cultural relic at a specified position in a scanning room, and then implement scanning operation. The whole process needs to strictly follow the serial process of loading and unloading the cultural relic, positioning and calibration, scanning and taking down the cultural relic. When a cultural relic is scanned, the device needs to be completely stopped during the replacement process of the cultural relic, which is low in efficiency. Moreover, in the process of moving the cultural relic to the device, the time consumed in the process of carrying the cultural relic is long, the vibration amplitude generated when the cultural relic is manually carried and placed near the scanning device is large, and there is a certain operation risk. SUMMARY

[0004] In view of the above problems, the present application provides a cultural relic CT scanning and detecting device.

[0005] To achieve the above object, the application provides the following technical scheme: a cultural relic CT scanning detection device, comprising a scanning platform and a CT scanner arranged on the scanning platform, one side of the scanning platform is provided with a first material placing table and a second material placing table capable of synchronous rotation, the first material placing table and the second material placing table are distributed from high to low, and one end of the first material placing table and the second material placing table close to each other is respectively fixed with a first carrier and a second carrier, when the first material placing table and the second material placing table rotate synchronously along the horizontal direction, the first carrier and the second carrier respectively carry the first material placing table and the second material placing table to move up and down along the direction perpendicular to the horizontal plane, so that the first material placing table and the second material placing table synchronously switch the height and position, when the first material placing table or the second material placing table moves to the same height of the scanning platform, the first material placing table or the second material placing table is opposite to the scanning range of the CT scanner.

[0006] The first material placing table and the second material placing table are both provided with a detachable supporting table, the supporting table is fixed with an electric turntable, and the supporting table is formed with an extension plate body extending along the horizontal direction, when the supporting table abuts against the upper surface of the first material placing table or the second material placing table, the extension plate body of the supporting table is located above the first material placing table or the second material placing table.

[0007] Further, the scanning platform is fixed with a base below, the base is provided with a rotatable electric turntable, the electric turntable is installed with a driving shaft through a bearing seat, and the driving shaft is installed with two driving gears capable of synchronous rotation.

[0008] The first carrier and the second carrier are both provided with a set of linkage racks on the side close to each other, the two sets of linkage racks on the first carrier and the second carrier are respectively engaged on the two sides of the driving gear, with the rotation of the driving gear, the first carrier and the linkage rack on the first carrier and the second carrier and the linkage rack on the second carrier move in opposite directions.

[0009] Further, the driving shaft is installed with a speed reducer for driving the rotation of the driving shaft, the speed reducer is installed with a motor matched therewith, and the speed reducer and the motor are both fixed to the inner side of the electric turntable.

[0010] Further, the electric turntable is fixed with a set of vertically distributed guide rails on the two sides, the two sets of guide rails are respectively connected with the first carrier and the second carrier in sliding mode, the top ends of the two sets of guide rails are fixed through a reinforcing table, and the reinforcing table is fixed to the top end of the electric turntable, when the first carrier and the second carrier move in opposite directions respectively, the first carrier and the second carrier move along the guide rail distribution path.

[0011] Further, the bottom end of the supporting table is fixed with a plurality of moving legs equally distributed along the circular track, when the supporting table moves above the first material placing table or the second material placing table, the moving legs extend below the first material placing table or the second material placing table.

[0012] Further, the first and second storage tables are provided with first and second limiting frames, the first and second limiting frames are respectively provided with first and second limiting wheel sets, the end of the supporting table extension plate is provided with two slits for avoiding the first and second limiting frames, the end of the slit is provided with a limiting channel for accommodating the movement of the first and second limiting frames, when the supporting table moves above the first or second storage table, the first and second limiting frames move to the outside of the two limiting channels, and with the movement of the first and second limiting frames, the first and second limiting wheel sets abut the inside of the two limiting channels.

[0013] Further, the first and second limiting frames are respectively provided with first and second traction strips, and the first and second storage tables are connected with the first and second traction strips through slide rails.

[0014] The opposite sides of the first and second traction strips are respectively provided with the same electric gear through a rack, and the electric gear is installed with the first or second storage table, and with the rotation of the electric gear, the first and second traction strips move towards each other or in opposite directions.

[0015] Further, the two limiting channels are in trapezoidal structure, and the guiding frames are fixed on the symmetrical inclined edges of the limiting channels, and the guiding frames are respectively provided with guiding rollers.

[0016] In summary, the technical effects and advantages of the present application are:

[0017] 1. The present application can reduce the damage of fragile cultural relics caused by vibration and collision during the process of carrying cultural relics one by one, while improving the scanning efficiency. Moreover, the loading and unloading of cultural relics is always carried out at low positions, avoiding the physical exertion of manually lifting cultural relics to high positions, and reducing the risk of cultural relics falling from high positions. The position of the cultural relics is stable and controllable during the scanning process, effectively reducing the vibration amplitude when the cultural relics are manually carried and placed near the scanning device, and improving the safety during the process of carrying and scanning cultural relics.

[0018] 2. The present application is provided with a detachable supporting table, which can quickly load cultural relics onto the first or second storage table by moving the supporting table, reducing the workload of manually moving cultural relics and improving the efficiency and portability of loading and reloading operations. At the same time, it can ensure the close docking of the supporting table with the first or second storage table, effectively prevent the supporting table from shaking or deviating, limit its position, and ensure the stability of the cultural relics during the scanning process, avoiding the influence of scanning accuracy caused by the shaking of the supporting table. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0020] Figure 1 It is a schematic view of the three-dimensional structure of the present application.

[0021] Figure 2 It is a schematic view of the second perspective structure of the present application.

[0022] Figure 3 It is a schematic view of the relative position of the first storage platform and the second storage platform of the present application.

[0023] Figure 4 It is a schematic view of the equipment state after the supporting table on the second storage platform is separated from it.

[0024] Figure 5 It is a schematic view of the second perspective state of the equipment after the supporting table on the second storage platform is separated from it.

[0025] Figure 6 It is a schematic view of the state after the supporting tables on the first storage platform and the second storage platform are separated.

[0026] Figure 7 It is a schematic view of the second perspective state after the supporting tables on the first storage platform and the second storage platform are separated.

[0027] Figure 8 It is a schematic view of the electric rotating table structure of the present application.

[0028] Figure 9 It is a schematic view of the supporting table structure of the present application.

[0029] In the figure: 1, scanning platform; 2, first storage platform; 21, first carrier; 3, second storage platform; 31, second carrier; 4, supporting table; 41, notch; 42, limiting channel; 5, guide frame; 51, guide roller; 6, electric rotating disc; 7, linkage rack; 8, moving foot; 9, first limiting frame; 91, first traction strip; 92, first limiting wheel set; 10, second limiting frame; 101, second traction strip; 102, second limiting wheel set; 11, CT scanner; 12, base; 13, electric rotating table; 131, guide rail; 132, reinforcing table; 14, electric gear; 15, drive gear; 16, drive shaft; 17, speed reducer; 18, motor. DETAILED DESCRIPTION

[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0031] Embodiment 1: Reference Figures 1-3 The CT scanning detection device for cultural relics shown in the figure comprises a scanning platform 1 and a CT scanner 11 arranged on the scanning platform 1. A first material placing table 2 and a second material placing table 3 are arranged on one side of the scanning platform 1 and can rotate synchronously. The first material placing table 2 and the second material placing table 3 are arranged from high to low, and the first material placing table 2 and the second material placing table 3 are fixed with a first carrier 21 and a second carrier 31 respectively at one end close to each other. When the first material placing table 2 and the second material placing table 3 rotate synchronously along the horizontal direction, the first carrier 21 and the second carrier 31 respectively carry the first material placing table 2 and the second material placing table 3 to move up and down along the direction perpendicular to the horizontal plane, so that the first material placing table 2 and the second material placing table 3 synchronously switch the height and position. When the first material placing table 2 or the second material placing table 3 moves to the same height of the scanning platform 1, the first material placing table 2 or the second material placing table 3 is opposite to the scanning range of the CT scanner 11.

[0032] Specifically, in the process of implementing the CT scanning operation on the cultural relics, with the rotation of the first material placing table 2 and the second material placing table 3, the first material placing table 2 and the second material placing table 3 are successively rotated to the side away from the scanning platform 1 and are at the low position. The workers can successively implement the feeding operation of the cultural relics on the first material placing table 2 and the second material placing table 3.

[0033] Subsequently, with the synchronous rotation and lifting movement of the first material placing table 2 and the second material placing table 3, the first material placing table 2 and the second material placing table 3 can synchronously switch the height and position, so as to successively implement the scanning operation on the cultural relics fed on the first material placing table 2 and the second material placing table 3.

[0034] After the scanning of the cultural relics on the first material placing table 2 and the second material placing table 3 is completed, the CT scanner 11 is closed. With the synchronous rotation and lifting movement of the first material placing table 2 and the second material placing table 3, the cultural relics on the first material placing table 2 and the second material placing table 3 after the scanning are successively taken down, and new cultural relics to be detected are added, so as to achieve the purpose of implementing the feeding operation.

[0035] By continuously scanning two cultural relics, the damage of fragile cultural relics caused by vibration and collision during the process of carrying cultural relics one by one can be reduced. Especially for organic cultural relics, the structural stress damage caused by movement can be avoided to the greatest extent. Moreover, the loading and unloading of cultural relics is always carried out at a low position, avoiding the physical exertion of manually lifting cultural relics to a high position and reducing the risk of cultural relics falling from a high position. The first placement table 2 and the second placement table 3 are stable and controllable during the switching of positions and heights, effectively reducing the vibration amplitude generated when manually carrying and placing cultural relics close to the scanning equipment, improving the safety during the process of carrying and scanning cultural relics, and protecting the surface and internal structure integrity of cultural relics.

[0036] It is worth mentioning that the scanning process needs to be carried out in a sealed lead house. When the first placement table 2 or the second placement table 3 moves to the same height as the scanning platform 1, the first placement table 2 or the second placement table 3 is directly opposite the scanning range of the CT scanner 11. At this time, the front needs to be moved to the opposite side of the CT scanner 11 by a movable device carrying a flat detector, and the cultural relics to be scanned on the first placement table 2 or the second placement table 3 are located between the CT scanner 11 and the flat detector. The combination of the flat detector and the mobile device is a widely used operation mode in the prior art, and will not be described in detail here.

[0037] Further, as shown in Figures 3-5 In this embodiment, the first placement table 2 and the second placement table 3 are each provided with a detachable support table 4, and the support table 4 is fixed with an electric turntable 6. When the first placement table 2 or the second placement table 3 is at a low position and receives loading operation, the support table 4 and the electric turntable 6 can be separated from the first placement table 2 or the second placement table 3. The cultural relics at a distance can be directly placed on the electric turntable 6 provided on the support table 4. By moving the support table 4, the support table 4 together with the electric turntable 6 can be installed back on the first placement table 2 or the second placement table 3, so as to quickly load the cultural relics onto the first placement table 2 or the second placement table 3, reduce the workload of manually transferring cultural relics, improve the loading efficiency, and also make it more convenient to place cultural relics in the appropriate position.

[0038] In actual use, the support table 4 can be provided with multiple support tables 4, so that the support table 4 carrying the cultural relics to be scanned can be replaced with the support table 4 carrying the scanned cultural relics during the reloading process, so as to achieve the purpose of quick reloading and further improve the reloading efficiency. The detachable design of the support table 4 and the first placement table 2 and the second placement table 3 facilitates cleaning, maintenance and replacement of the support table 4.

[0039] The setting of the electric turntable 6 enables the cultural relics to automatically rotate as needed during scanning, without the need for manual adjustment of the angle of the cultural relics, so as to realize multi-angle scanning, greatly improve the efficiency and comprehensiveness of scanning, and obtain more complete and accurate three-dimensional information of the cultural relics.

[0040] As shown in Figures 3-5 To improve the stability of the lifting platform 4 when it is docked with the first or second storage platform 2 or 3, an extension plate body is formed on the lifting platform 4 along the horizontal direction. When the lifting platform 4 abuts against the upper surface of the first or second storage platform 2 or 3, the extension plate body of the lifting platform 4 is located above the first or second storage platform 2 or 3.

[0041] As shown in Figure 6 , Figure 7 A base 12 is fixed below the scanning platform 1, and a rotatable motorized turntable 13 is arranged on the base 12. A driving shaft 16 is installed on the motorized turntable 13 through a bearing seat. When the motorized turntable 13 rotates, the first or second storage platform 2 or 3 rotates synchronously. To enable the first and second storage platforms 2 and 3 to switch heights synchronously during rotation, two driving gears 15 that can rotate synchronously with the driving shaft 16 are installed on the driving shaft 16 in this embodiment. A set of linkage racks 7 is arranged on one side of the first and second carriers 21 and 31. The two sets of linkage racks 7 located on the first and second carriers 21 and 31 are respectively engaged with the two sides of the driving gears 15. With the rotation of the driving gears 15, the first carrier 21 and the set of linkage racks 7 located on the first carrier 21 move in the opposite direction of the second carrier 31 and the set of linkage racks 7 located on the second carrier 31, so as to drive the first and second storage platforms 2 and 3 to switch heights during rotation.

[0042] As shown in Figure 8 A reduction box 17 for driving the rotation of the driving shaft 16 is installed on the driving shaft 16. A motor 18 that is compatible with the reduction box 17 is installed on the reduction box 17. The reduction box 17 and the motor 18 are both fixed to the inner side of the motorized turntable 13. The reduction box 17 is a worm gear reduction box in the prior art. The worm gear mechanism has natural self-locking property and can lock the reverse rotation of the gear. Even if the motor 18 is powered off, the worm gear can still bear the equipment load. The motor 18 is a driving motor with brake function. The motor 18 has a brake function and directly locks the driving end to avoid the phenomenon of gear rotation caused by loss of magnetic field of the motor.

[0043] In this embodiment, the driving gears 15 and the linkage racks 17 are both selected to be coarse tooth gears with module ≥3, the tooth width is widened (tooth width ≥1.5 times module), and the gears are treated by quenching of 45 steel (hardness HRC40-50) to improve the compression and wear resistance of the gear surface. The number of simultaneously engaged teeth of the driving gears 15 and the linkage racks 17 is guaranteed to be ≥2-3 teeth to disperse the single tooth load and reduce the local stress concentration phenomenon.

[0044] As shown in Figure 8As shown, the electric rotating table 13 is fixed with a group of vertically distributed guide rails 131 on both sides, and the two groups of guide rails 131 are respectively connected with the first carrier 21 and the second carrier 31 in a sliding manner. The top ends of the two groups of guide rails 131 are fixed through a reinforcing table 132, and the reinforcing table 132 is fixed to the top end of the electric rotating table 13. When the first carrier 21 and the second carrier 31 move in opposite directions respectively, the first carrier 21 and the second carrier 31 move along the distribution path of the guide rails 131. The guide rails 131 can bear the radial load of the equipment, such as shaking and unbalanced load, so as to avoid that the driving gear 15 and the linkage rack 17 bear additional lateral force.

[0045] Embodiment 2: as Figures 6-9 shown, on the basis of embodiment 1, since the supporting table 4 and the first supporting table 2 and the second supporting table 3 are detachable structures, in order to facilitate the movement of the supporting table 4, a plurality of moving legs 8 are fixed to the bottom end of the supporting table 4 and are distributed equidistantly along the annular track. When the supporting table 4 moves above the first supporting table 2 or the second supporting table 3, the moving legs 8 extend below the first supporting table 2 or the second supporting table 3. When the first supporting table 2 or the second supporting table 3 rotates synchronously to switch positions and heights, the moving legs 8 move together with the supporting table 4.

[0046] The first supporting table 2 and the second supporting table 3 are respectively provided with a first limiting frame 9 and a second limiting frame 10, and the first limiting frame 9 and the second limiting frame 10 are respectively provided with a first limiting wheel set 92 and a second limiting wheel set 102. The end part of the extension plate body of the supporting table 4 is provided with two apertures 41 for avoiding the first limiting frame 9 and the second limiting frame 10 to pass through, and the end part of the aperture 41 is provided with a limiting passage 42 for accommodating the movement of the first limiting frame 9 and the second limiting frame 10. When the supporting table 4 moves above the first supporting table 2 or the second supporting table 3, the first limiting frame 9 and the second limiting frame 10 respectively move to the outside of the two limiting passages 42. With the movement of the first limiting frame 9 and the second limiting frame 10, the first limiting wheel set 92 and the second limiting wheel set 102 respectively abut the inside of the two limiting passages 42.

[0047] The abutment of the first limiting frame 9 and the second limiting frame 10 with the limiting passage 42 through the first limiting wheel set 92 and the second limiting wheel set 102 can ensure that the extension plate body of the supporting table 4 is closely connected with the first supporting table 2 or the second supporting table 3. In the process of the first supporting table 2 or the second supporting table 3 carrying the supporting table 4 to move synchronously, the supporting table 4 can be effectively prevented from shaking or deviating, and the relics can be positioned to ensure the stability of the relics in the scanning process and avoid affecting the scanning accuracy due to the shaking of the supporting table 4.

[0048] In addition, the first limiting wheel set 92 and the second limiting wheel set 102 are in rolling contact with the limiting passage 42, which greatly reduces the movement resistance compared with sliding friction, and the positioning process of the supporting table 4 is more smooth, and the collision and wear phenomenon is reduced.

[0049] Moreover, this limiting method facilitates the quick installation and removal of the tray. When the tray 4 needs to be cleaned, maintained or replaced, the operator can easily remove the tray from the first shelf 2 or the second shelf 3, which improves the convenience and efficiency of equipment maintenance.

[0050] like Figure 6 As shown, the first limiting frame 9 and the second limiting frame 10 are both fixed with parallel first traction bars 91 and second traction bars 101. The first shelf 2 and the second shelf 3 are both connected to the first traction bar 91 and the second traction bar 101 through slide rails.

[0051] The first traction bar 91 and the second traction bar 101 are both connected to the same electric gear 14 via racks on opposite sides. The electric gear 14 is installed on either the first platform 2 or the second platform 3. As the electric gear 14 rotates, the first traction bar 91 and the second traction bar 101 move in opposite directions to drive the first limiting frame 9 and the second limiting frame 10 closer to or further away from each other. As the first limiting frame 9 and the second limiting frame 10 gradually move closer together, they gradually engage inside the limiting channel 42.

[0052] like Figure 9 As shown, it is worth mentioning that in this embodiment, both limiting channels 42 are trapezoidal in structure, and guide frames 5 are fixed on the symmetrically distributed hypotenuses of the limiting channels 42, with guide rollers 51 fixed to each guide frame 5. Therefore, when the first limiting frame 9 and the second limiting frame 10 gradually move closer together, even if there is a slight offset in the docking of the support platform 4 with the first or second placement platform 2, as the first and second limiting frames 10 gradually engage with the limiting channels 42, based on the trapezoidal structure of the limiting channels 42, the first and second limiting wheel sets 92 and 102 can both adjust the pressure of the support platform 4 through rolling contact with the guide rollers 51, ensuring that the support platform 4 accurately falls into the predetermined position of the first or second placement platform 3, improving the installation accuracy of the support platform 4, and further enhancing the stability of the equipment operation. The combination of the guide frame 5 and the guide rollers 51 replaces some of the sliding friction with rolling friction, effectively reducing the collision wear phenomenon during the pressure adjustment process and extending the service life of the equipment.

[0053] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A CT scanning detection device for cultural relics, characterized in that: The system includes a scanning platform (1) and a CT scanner (11) mounted on the scanning platform (1). The scanning platform (1) has a first platform (2) and a second platform (3) that can rotate synchronously on one side. The first platform (2) and the second platform (3) are distributed from high to low. The first platform (2) and the second platform (3) are respectively fixed with a first carrier (21) and a second carrier (31) at the ends of the first platform (2) and the second platform (3) that are close to each other. When the first platform (2) and the second platform (3) rotate synchronously in the horizontal direction, the first carrier (21) and the second carrier (31) respectively carry the first platform (2) and the second platform (3) and move up and down in the direction perpendicular to the horizontal plane, so that the first platform (2) and the second platform (3) switch height and position synchronously. When the first platform (2) or the second platform (3) moves the scanning platform (1) to the same height, the first platform (2) or the second platform (3) is directly facing the scanning range of the CT scanner (11). The first shelf (2) and the second shelf (3) are each provided with a detachable support (4). An electric turntable (6) is fixed on each support (4), and each support (4) extends horizontally to form an extension plate. When the support (4) abuts against the upper surface of the first shelf (2) or the second shelf (3), the extension plate of the support (4) is located above the first shelf (2) or the second shelf (3).

2. The cultural relic CT scanning detection equipment according to claim 1, characterized in that: The scanning platform (1) is fixed with a base (12) below it. The base (12) is provided with a rotatable electric turntable (13). The electric turntable (13) is equipped with a drive shaft (16) through a bearing seat. The drive shaft (16) is equipped with two drive gears (15) that can rotate synchronously with it. A set of linkage racks (7) is provided on the side of the first carrier (21) and the second carrier (31) that are close to each other. The two sets of linkage racks (7) on the first carrier (21) and the second carrier (31) are respectively meshed on both sides of the drive gear (15). As the drive gear (15) rotates, the first carrier (21) and the set of linkage racks (7) on the first carrier (21) move in opposite directions to the second carrier (31) and the set of linkage racks (7) on the second carrier (31).

3. The cultural relic CT scanning detection equipment according to claim 2, characterized in that: A gearbox (17) for driving the drive shaft (16) to rotate is installed on the drive shaft (16). A motor (18) adapted to the gearbox (17) is installed on the gearbox (17). The gearbox (17) and the motor (18) are both fixed inside the electric turntable (13).

4. The cultural relic CT scanning detection equipment according to claim 3, characterized in that: Both sides of the electric turntable (13) are fixed with a set of vertically distributed guide rails (131). The two sets of guide rails (131) are slidably connected to the first carrier (21) and the second carrier (31) respectively. The tops of the two sets of guide rails (131) are fixed by a reinforcing platform (132). The reinforcing platform (132) is fixed to the top of the electric turntable (13). When the first carrier (21) and the second carrier (31) move in opposite directions, the first carrier (21) and the second carrier (31) move along the distribution path of the guide rails (131).

5. The cultural relic CT scanning detection equipment according to claim 1, characterized in that: The bottom of each support platform (4) is fixed with multiple movable legs (8) that are equidistantly distributed along a circular trajectory. When the support platform (4) moves above the first shelf (2) or the second shelf (3), the movable legs (8) extend below the first shelf (2) or the second shelf (3).

6. The CT scanning and detection equipment for cultural relics according to claim 1, characterized in that: The first shelf (2) and the second shelf (3) are each provided with a first limiting frame (9) and a second limiting frame (10). The first limiting frame (9) and the second limiting frame (10) are respectively installed with a first limiting wheel set (92) and a second limiting wheel set (102). The end of the extension plate of the support (4) is provided with two notches (41) to avoid the passage of the first limiting frame (9) and the second limiting frame (10). The end of the notches (41) is provided with a first limiting wheel set (92) and a second limiting wheel set (102) to accommodate the first limiting frame (9) and the second limiting frame (102). The limiting channel (42) for the movement of the first limiting frame (9) and the second limiting frame (10) is such that when the platform (4) moves above the first shelf (2) or the second shelf (3), the first limiting frame (9) and the second limiting frame (10) move to the outside of the two limiting channels (42) respectively. As the first limiting frame (9) and the second limiting frame (10) move, the first limiting wheel set (92) and the second limiting wheel set (102) abut against the inside of the two limiting channels (42) respectively.

7. The cultural relic CT scanning detection equipment according to claim 6, characterized in that: The first limiting frame (9) and the second limiting frame (10) are fixed with parallel first traction bar (91) and second traction bar (101). The first shelf (2) and the second shelf (3) are connected to the first traction bar (91) and the second traction bar (101) through slide rails. The first traction bar (91) and the second traction bar (101) are connected to the same electric gear (14) by a rack on opposite sides. The electric gear (14) is installed with the first platform (2) or the second platform (3). As the electric gear (14) rotates, the first traction bar (91) and the second traction bar (101) move in opposite directions.

8. The cultural relic CT scanning detection equipment according to claim 7, characterized in that: Both of the limiting channels (42) are trapezoidal in shape, and guide frames (5) are fixed on the symmetrically distributed hypotenuses of the limiting channels (42), and guide rollers (51) are fixed on the guide frames (5).

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