Inclination adjusting system of CT scanning gantry

Abstract

The utility model discloses an inclination adjusting system of a CT scanning gantry, which comprises a fixed underframe, the left side and the right side of the top of the fixed underframe are fixedly connected with mounting support plates, the top of the surface of each mounting support plate is movably provided with a movable column, the surface of each movable column is sleeved with an angle sensor, and the angle sensor is fixedly connected with the fixed underframe. And a CT scanner rack is fixedly mounted on the opposite sides of the two movable columns. According to the utility model, the angle sensor, the laser distance measuring sensor, the auxiliary plate and the movable column are matched for use, so that the purposes of angle detection and distance detection can be achieved by utilizing the characteristics of the angle sensor and the laser distance measuring sensor, and the purpose of intelligent monitoring is achieved; through cooperative use of the transmission adjusting assembly, the rotating speed sensor and the speed reduction driving assembly, the CT scanner can be driven by the variable-speed motor, namely the movable plate can act to change the inclination angle of the CT scanner rack, and meanwhile the rotating speed of the variable-speed motor can be flexibly adjusted under cooperation of the rotating speed sensor.

Description

Technical Field

[0001] The utility model relates to the technical field of CT scanners, in particular to a tilt adjustment system for a CT scanner rack. Background Art

[0002] CT scanner is an analytical instrument used in the basic disciplines of engineering and technological science. It is mainly used to study in vitro specimens (such as bones, teeth) or samples of various materials, perform high-resolution scanning and reconstruction, analyze internal structures and mechanical properties, and can also use coagulable contrast agents.

[0003] In CT scanning, the scanning gantry and mobile scanning bed are one of the indispensable parts. It is a mechanical structure with a scanning hole in the center. In actual operation, the inspector lies flat on the mobile scanning bed and then moves through the scanning gantry. The scanning gantry can be tilted ±30 degrees according to the needs of the inspection. The tilt adjustment system cannot have both intelligent adjustment and manual adjustment. The actual adjustment convenience and accuracy are average, and the adjustment speed cannot be flexibly changed. For older inspectors, high-speed rotation adjustment of the equipment is easy to cause fright, and the supporting height cannot be changed synchronously. When the inclination angle is large, it is easy to cause collision damage, which has certain limitations.

[0004] Therefore, it is necessary to invent a tilt adjustment system for a CT scanning gantry to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a tilt adjustment system for a CT scanning frame, which has the advantages of dual adjustment, flexible speed change and synchronous height adjustment, and solves the problems that the tilt adjustment system cannot have both intelligent adjustment and manual adjustment, cannot flexibly change the adjustment speed, and the high-speed rotation adjustment of the equipment is easy to cause fright, and the supporting height cannot be changed synchronously.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tilt adjustment system for a CT scanning frame, comprising a fixed base frame, wherein the left and right sides of the top of the fixed base frame are fixedly connected with mounting support plates, a movable column is movably installed on the top of the surface of the mounting support plate, an angle sensor is sleeved on the surface of the movable column, a CT scanning machine frame is fixedly installed on the opposite side of the two movable columns, a transmission adjustment component is installed on the rear side of the surface of the fixed base frame, the transmission adjustment component includes a mounting shell and a screw, a reduction drive component is installed on the back surface of the mounting shell, the reduction drive component includes a protective shell, a laser ranging sensor is fixedly installed on the top of the surface of the protective shell, a fixed plate is fixedly connected at the center of the front surface of the fixed base frame, a height adjustment component is installed on the top of the fixed plate, the height adjustment component includes a storage seat and a displacement seat, and a guide frame is fixedly connected to the top of the displacement seat.

[0007] Preferably, a local display screen and a main body intercom are fixedly installed at the center of the top of the CT scanner frame, a local controller and a wireless signal transceiver are fixedly installed on the left side of the front surface of the CT scanner frame, a multi-state light is screwed onto the surface of the local controller, an input end of the local controller is electrically connected to a power supply module, an output end of the local controller is electrically connected to the local display screen and the input end of the multi-state light, respectively, and the main body intercom, angle sensor, and laser ranging sensor are all electrically connected to the local controller in both directions.

[0008] Preferably, the local controller is bidirectionally signal-connected to the wireless signal transceiver, the wireless signal transceiver is bidirectionally signal-connected to a signal amplification module, the signal amplification module is bidirectionally signal-connected to a signal filtering module, the signal filtering module is bidirectionally signal-connected to a remote control module, the output end signal of the remote control module is bidirectionally signal-connected to a data storage module and a remote display module, and the remote control module is bidirectionally signal-connected to a remote intercom module.

[0009] Preferably, the surface of the mounting shell is fixedly connected to the connection point of the fixed base frame, the surface of the protective shell is fixedly connected to the connection point of the mounting shell, and the surface of the screw rod is movably connected to the connection point of the mounting shell.

[0010] Preferably, a displacement screw sleeve is provided at the center of the screw surface, the top of the displacement screw sleeve is fixedly connected to an auxiliary plate, the top of the auxiliary plate is movably connected to a movable plate via a rotating shaft, and the other end of the movable plate is movably connected to the right side of the CT scanner frame via a rotating shaft.

[0011] Preferably, a positioning groove for use with the auxiliary plate is provided on the top of the mounting shell, and the surface of the displacement screw sleeve is in sliding contact with the inner wall of the mounting shell.

[0012] Preferably, a variable speed motor is fixedly installed on the top of the inner cavity of the protective shell, a speed sensor is installed on the output end of the variable speed motor, a second gear is fixedly installed on the output end of the variable speed motor, a first gear is fixedly installed on the surface of the screw and located in the inner cavity of the protective shell, the first gear is meshed with the second gear, the input end of the variable speed motor is electrically connected to the output end of the local controller, and the speed sensor is electrically connected to the local controller in both directions.

[0013] Preferably, the bottom of the storage seat is fixedly connected to the top of the fixed plate, the surface of the displacement seat is in sliding contact with the inner wall of the storage seat, the top of the front surface and the back surface of the storage seat are bolted with small hydraulic cylinders, the output end of the small hydraulic cylinder passes through the inner cavity of the storage seat and contacts with the displacement seat, the bottom of the inner cavity of the storage seat is fixedly connected with a support spring, the top of the support spring is fixedly connected to the bottom of the displacement seat, the surface of the displacement seat is fixedly sleeved with an extension plate, the front and rear sides of the bottom of the extension plate are fixedly connected with hemispherical contact heads, the left and right sides of the front surface of the CT scanner frame are fixedly connected with inclined plates, the top of the inclined plates is in sliding contact with the bottom of the hemispherical contact heads.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model has the advantage of intelligent monitoring by using an angle sensor, a laser distance sensor, an auxiliary plate and a movable column. It can use the characteristics of the angle sensor and the laser distance sensor to achieve the purpose of angle detection and distance detection, so as to meet the purpose of intelligent monitoring and facilitate operators to accurately and quickly adjust the tilt angle;

[0016] 2. The utility model has the advantage of drive adjustment by using a transmission adjustment component, a speed sensor and a reduction drive component in combination. It can be driven by a variable speed motor, so that the movable plate can be moved to change the tilt angle of the CT scanner frame. At the same time, the speed of the variable speed motor can be flexibly adjusted with the cooperation of the speed sensor;

[0017] 3. The utility model uses the signal amplification module, the signal filtering module, the main intercom and the remote intercom module in combination, has the advantage of signal filtering, can amplify and filter various signals, ensure the stability of signal transmission, make the intercom sound clear, and facilitate various monitoring storage and backup;

[0018] 4. The utility model uses an extension plate, a hemispherical contact head, an inclined plate, a displacement seat, a support spring, a small hydraulic cylinder and a storage seat in combination, and has the advantage of elastic support. When the small hydraulic cylinder is retracted, the guide frame can be synchronously displaced up and down as the inclination angle of the CT scanner frame changes, which better meets the needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a rear perspective view of the structure of the utility model;

[0021] Figure 3 It is a three-dimensional schematic diagram of the utility model when the local structure is separated;

[0022] Figure 4 It is a side cutaway perspective view of the transmission adjustment assembly of the utility model;

[0023] Figure 5 For this utility model Figure 4 Middle A is an enlarged schematic diagram;

[0024] Figure 6 This is the principle diagram of the utility model system;

[0025] Figure 7 It is a three-dimensional schematic diagram of the height adjustment component of the utility model when it is separated.

[0026] In the figure: 1, fixed chassis; 2, CT scanner frame; 3, transmission adjustment assembly; 31, mounting shell; 32, screw; 33, movable plate; 34, displacement screw sleeve; 35, auxiliary plate; 36, positioning slot; 4, local display screen; 5, main intercom; 6, local controller; 7, multi-state light; 8, mounting support plate; 9, angle sensor; 10, movable column; 11, reduction drive assembly; 111, first gear; 112, second gear; 113, protective shell; 114, variable speed motor; 12, speed sensor sensor; 13. laser ranging sensor; 14. wireless signal transceiver; 15. power supply module; 16. signal amplification module; 17. signal filtering module; 18. remote control module; 19. data storage module; 20. remote display module; 21. remote intercom module; 22. guide frame; 23. fixing plate; 24. height adjustment assembly; 241. extension plate; 242. hemispherical contact head; 243. inclined plate; 244. displacement seat; 245. support spring; 246. small hydraulic cylinder; 247. storage seat. DETAILED DESCRIPTION

[0027] See also Figure 1-Figure 7A tilt adjustment system for a CT scanning machine frame includes a fixed base frame 1, the left and right sides of the top of the fixed base frame 1 are fixedly connected with mounting support plates 8, the top of the surface of the mounting support plate 8 is movably mounted with a movable column 10, the surface of the movable column 10 is sleeved with an angle sensor 9, a CT scanning machine frame 2 is fixedly mounted on the opposite side of the two movable columns 10, a local display screen 4 and a main body intercom 5 are respectively fixedly mounted at the center of the top of the CT scanning machine frame 2, a local controller 6 and a wireless signal transceiver 14 are respectively fixedly mounted on the left side of the front surface of the CT scanning machine frame 2, and the surface of the local controller 6 is screw-mounted There are multiple state lights 7, a transmission adjustment component 3 is installed on the rear side of the surface of the fixed chassis 1, the transmission adjustment component 3 includes a mounting shell 31 and a screw 32, a reduction drive component 11 is installed on the back surface of the mounting shell 31, the reduction drive component 11 includes a protective shell 113, a laser ranging sensor 13 is fixedly installed on the top of the surface of the protective shell 113, a fixing plate 23 is fixedly connected at the center of the front surface of the fixed chassis 1, a height adjustment component 24 is installed on the top of the fixing plate 23, the height adjustment component 24 includes a storage seat 247 and a displacement seat 244, and a guide frame 22 is fixedly connected to the top of the displacement seat 244;

[0028] The input end of the local controller 6 is electrically connected to the power supply module 15, the output end of the local controller 6 is electrically connected to the input ends of the local display screen 4 and the multi-state light 7 respectively, and the main body intercom 5, the angle sensor 9, and the laser ranging sensor 13 are all bidirectionally electrically connected to the local controller 6;

[0029] The local controller 6 is bidirectionally connected to the wireless signal transceiver 14, the wireless signal transceiver 14 is bidirectionally connected to the signal amplification module 16, the signal amplification module 16 is bidirectionally connected to the signal filtering module 17, the signal filtering module 17 is bidirectionally connected to the remote control module 18, the output end signal of the remote control module 18 is connected to the data storage module 19 and the remote display module 20, and the remote control module 18 is bidirectionally connected to the remote intercom module 21;

[0030] The surface of the mounting shell 31 is fixedly connected to the connection of the fixed base frame 1, the surface of the protective shell 113 is fixedly connected to the connection of the mounting shell 31, and the surface of the screw rod 32 is movably connected to the connection of the mounting shell 31;

[0031] A displacement screw sleeve 34 is threadedly sleeved at the center of the surface of the screw rod 32, an auxiliary plate 35 is fixedly connected to the top of the displacement screw sleeve 34, a movable plate 33 is movably connected to the top of the auxiliary plate 35 via a rotating shaft, and the other end of the movable plate 33 is movably connected to the right side of the CT scanner frame 2 via a rotating shaft;

[0032] A positioning groove 36 for use with the auxiliary plate 35 is provided on the top of the mounting shell 31, and the surface of the displacement screw sleeve 34 is in sliding contact with the inner wall of the mounting shell 31;

[0033] A variable speed motor 114 is fixedly installed on the top of the inner cavity of the protective shell 113, and a speed sensor 12 is sleeved on the output end of the variable speed motor 114. A second gear 112 is fixedly sleeved on the output end of the variable speed motor 114. A first gear 111 is fixedly sleeved on the surface of the screw 32 and located in the inner cavity of the protective shell 113. The first gear 111 is meshed with the second gear 112. The input end of the variable speed motor 114 is electrically connected to the output end of the local controller 6, and the speed sensor 12 is bidirectionally electrically connected to the local controller 6.

[0034] The bottom of the storage seat 247 is fixedly connected to the top of the fixed plate 23, the surface of the displacement seat 244 is in sliding contact with the inner wall of the storage seat 247, the top of the front surface and the back surface of the storage seat 247 are bolted with small hydraulic cylinders 246, the output end of the small hydraulic cylinder 246 penetrates into the inner cavity of the storage seat 247 and contacts the displacement seat 244, the bottom of the inner cavity of the storage seat 247 is fixedly connected with a support spring 245, the top of the support spring 245 is fixedly connected to the bottom of the displacement seat 244, the surface of the displacement seat 244 is fixedly sleeved with an extension plate 241, the front and rear sides of the bottom of the extension plate 241 are fixedly connected with a hemispherical contact head 242, the left and right sides of the front surface of the CT scanner frame 2 are fixedly connected with an inclined plate 243, the top of the inclined plate 243 is in sliding contact with the bottom of the hemispherical contact head 242;

[0035] By setting the mounting shell 31, the activity requirements of the mounting shell 31 and the displacement space requirements of the displacement screw sleeve 34 can be met. By setting the screw rod 32 and the displacement screw sleeve 34, the role of thread transmission can be achieved. When the screw rod 32 rotates, the displacement screw sleeve 34 can generate a linear displacement.

[0036] By setting the positioning groove 36, the displacement space requirement of the auxiliary plate 35 can be met. By setting the local display screen 4, the monitoring signals of the rotation speed sensor 12, the laser distance sensor 13 and the angle sensor 9 can be displayed locally. By setting the main body intercom 5 and the remote intercom module 21, the remote intercom function can be achieved, so as to facilitate flexible communication between the operator and the inspector.

[0037] By setting up the local controller 6 and the remote control module 18, both can play the role of central control to meet the needs of various signal transmissions. By setting up the multi-state light 7, different colors of lights can be displayed according to the working steps of the equipment, which is convenient for observation and identification.

[0038] By setting the mounting support plate 8, the movable column 10 can be installed in a movable manner, and by setting the angle sensor 9, the laser distance sensor 13 and the speed sensor 12, the angle of the movable column 10, the distance of the auxiliary plate 35 and the speed of the variable speed motor 114 can be monitored respectively;

[0039] By providing the movable column 10, the angle sensor 9 assembly requirements and the CT scanner frame 2 fixed installation requirements can be met. By providing the first gear 111 and the second gear 112, a meshing transmission effect can be achieved, and the screw rod 32 can be driven by the variable speed motor 114 to reduce the rotation speed.

[0040] By setting the signal amplification module 16 and the signal filtering module 17, the transmission signal can be amplified and filtered respectively to improve the stability of signal transmission. By setting the data storage module 19 and the remote display module 20, the monitoring signals of the angle sensor 9, the laser ranging sensor 13 and the speed sensor 12 can be backed up, stored and displayed in real time.

[0041] There is a hole in the structure of the angle sensor 9 that can fit the corresponding shaft. When connected to the RCX, the angle sensor 9 will count once every 1 / 16 turn of the shaft. When turning in one direction, the count increases, and when the direction of rotation changes, the count decreases. The count is related to the initial position of the angle sensor 9. When the angle sensor 9 is initialized, its count value is set to 0;

[0042] The speed sensor 12 is a sensor that converts the speed of a rotating object into an electrical output. It is an indirect measuring device and can be manufactured by mechanical, electrical, magnetic, optical and hybrid methods. According to the different signal forms, the speed sensor 12 can be divided into two types: analog and digital. It has the following characteristics: high sensitivity, high reliability, long life, long trigger distance, signal trigger is ferromagnetic (soft) magnetic material, can realize long-distance transmission, strong anti-electromagnetic interference ability, good impact resistance and shock resistance;

[0043] The variable speed motor 114 is a rotary machine that converts electrical energy into mechanical energy. It mainly includes an electromagnet winding or a distributed stator winding for generating a magnetic field and a rotating armature or rotor, the wires of which have current flowing through them and are caused to rotate by the magnetic field. Some types of these machines can be used as motors or generators.

[0044] The principle of the laser ranging sensor 13 is that the laser diode first aims at the target and emits a laser pulse. After being reflected by the target, the laser is scattered in all directions. Part of the scattered light returns to the sensor receiver and is received by the optical system and imaged onto the avalanche photodiode. The avalanche photodiode is an optical sensor with an internal amplification function, so it can detect extremely weak light signals, record and process the time from the light pulse being sent to the return being received, and thus determine the target distance.

[0045] A method for using a tilt adjustment system of a CT scanning gantry comprises the following steps:

[0046] A: All components are in the initial installation state. The fixed base frame 1 is fixed in a suitable position through the cooperation of the external bolts. First, the remote staff communicates with the tester through the remote intercom module 21 and the main intercom 5 to guide the tester to lie flat according to the specifications. During the CT scanning test, when it is necessary to manually adjust the tilt angle of the CT scanner frame 2, the remote staff sends a signal from the remote control module 18 to control the variable speed motor 114 to work. The signal is transmitted to the local controller 6 through the signal filtering module 17, the signal amplification module 16 and the wireless signal transceiver 14 in turn, which can be used by the present invention. The ground controller 6 controls the variable speed motor 114 to work, driving the second gear 112 to rotate. Under the meshing transmission of the first gear 111, the screw 32 is rotated, and the second gear 112 is smaller than the first gear 111. The screw 32 is in a decelerated rotation state, and then under the thread transmission, the displacement screw sleeve 34 is linearly displaced in the mounting shell 31, driving the auxiliary plate 35 to move and change the position of the bottom of the movable plate 33, adjusting the inclination angle of the movable plate 33, and under the positioning effect of the movable column 10, the CT scanner frame 2 is made to rotate in a circle around the movable column 10, so as to achieve the purpose of manual control and adjustment;

[0047] B: When intelligent operation is required, the monitoring value of the angle sensor 9 or the laser ranging sensor 13 needs to be preset. When tilt control is performed, the remote staff sends a signal to move the auxiliary plate 35 and rotate the movable column 10. When the angle sensor 9 is set to detect the angle, the rotating angle of the movable column 10 reaches the preset angle value. When the laser ranging sensor 13 is set to detect the distance value, the distance between the auxiliary plate 35 and the laser ranging sensor 13 reaches the preset distance value. The angle sensor 9 or the movable column 10 sends a signal to the local controller 6, and the local controller 6 automatically controls the variable speed motor 114 to stop working. At this time, the angle of the CT scanner frame 2 should be the preset value, which meets the user's intelligent operation requirements. The angle sensor 9 and the laser ranging sensor 13 correspond to each other. When any device in the angle sensor 9 or the laser ranging sensor 13 is damaged, the intelligent detection requirements can still be met;

[0048] C: In the above process, the signals sent by the main intercom 5, the angle sensor 9, the laser distance sensor 13 and the speed sensor 12 are all transmitted to the local controller 6, and are transmitted in sequence through the wireless signal transceiver 14, the signal amplification module 16 and the signal filtering module 17. After the signal processing, it is transmitted to the remote control module 18, wherein the signals generated by the angle sensor 9, the laser distance sensor 13 and the speed sensor 12 are displayed in real time by the remote display module 20 and backed up and stored by the data storage module 19, and the signals generated by the main intercom 5 are converted and played by the remote intercom module 21 to realize interactive communication, while ensuring the stability of signal transmission, so that the sound propagation is clear, which is conducive to efficient communication between the operator and the detector;

[0049] D: The top of the guide frame 22 should be installed with a necessary structure of the CT scanner - a mobile scanning bed. The mobile scanning bed can be displaced through the CT scanner frame 2, and the support spring 245 is in a stretched state. Before the CT scanner frame 2 rotates, the small hydraulic cylinder 246 should be controlled to no longer contact the displacement seat 244. As the inclination angle of the CT scanner frame 2 changes, the inclined plate 243 is driven to rotate. At the positive speed, the hemispherical contact head 242 is pushed up, so that the displacement seat 244 moves up in the storage seat 247. During the reverse rotation, the displacement seat 244 is driven to move down under the action of the support spring 245 to change the height of the guide frame 22, so that the height of the mobile scanning bed on the guide frame 22 meets the space requirement when the CT scanner frame 2 is tilted. Finally, the small hydraulic cylinder 246 is controlled to reset and extend to contact and press against the displacement seat 244. During the movement of the mobile scanning bed, the support stability is guaranteed to meet the needs of users.

[0050] In summary, the tilt adjustment system of the CT scanning frame solves the problems that the tilt adjustment system cannot have both intelligent adjustment and manual adjustment, cannot flexibly change the adjustment speed, and the high-speed rotation adjustment of the equipment is easy to cause fright, and the supporting height cannot be changed synchronously by arranging the transmission adjustment component 3, the main body intercom 5, the angle sensor 9, the reduction drive component 11, the speed sensor 12, the laser ranging sensor 13, the wireless signal transceiver 14, the signal amplification module 16, the signal filtering module 17 and the remote intercom module 21.

Claims

1. A tilt adjustment system for a CT scanning gantry, comprising a fixed base frame (1), characterized in that: The left and right sides of the top of the fixed base frame (1) are fixedly connected to mounting support plates (8); a movable column (10) is movably mounted on the top of the surface of the mounting support plate (8); an angle sensor (9) is sleeved on the surface of the movable column (10); a CT scanner frame (2) is fixedly mounted on the opposite side of the two movable columns (10); a transmission adjustment component (3) is mounted on the rear side of the surface of the fixed base frame (1); the transmission adjustment component (3) comprises a mounting shell (31) and a screw rod (32); and a rear surface of the mounting shell (31) is provided with a mounting screw (32). A reduction drive assembly (11) is installed, the reduction drive assembly (11) comprising a protective shell (113), a laser distance measuring sensor (13) is fixedly mounted on the top of the surface of the protective shell (113), a fixing plate (23) is fixedly connected at the center of the front surface of the fixed base frame (1), a height adjustment assembly (24) is installed on the top of the fixing plate (23), the height adjustment assembly (24) comprises a storage seat (247) and a displacement seat (244), and a guide frame (22) is fixedly connected to the top of the displacement seat (244).

2. The tilt adjustment system for a CT scanning gantry according to claim 1, characterized in that: A local display screen (4) and a main body intercom (5) are fixedly mounted at the center of the top of the CT scanner frame (2), a local controller (6) and a wireless signal transceiver (14) are fixedly mounted on the left side of the front surface of the CT scanner frame (2), a multi-element status light (7) is screwed onto the surface of the local controller (6), an input end of the local controller (6) is electrically connected to a power supply module (15), an output end of the local controller (6) is electrically connected to the input ends of the local display screen (4) and the multi-element status light (7), and the main body intercom (5), the angle sensor (9), and the laser distance sensor (13) are all bidirectionally electrically connected to the local controller (6).

3. The tilt adjustment system for a CT scanning gantry according to claim 2, characterized in that: The local controller (6) is bidirectionally signal-connected to the wireless signal transceiver (14); the wireless signal transceiver (14) is bidirectionally signal-connected to a signal amplification module (16); the signal amplification module (16) is bidirectionally signal-connected to a signal filtering module (17); the signal filtering module (17) is bidirectionally signal-connected to a remote control module (18); the output end signal of the remote control module (18) is bidirectionally signal-connected to a data storage module (19) and a remote display module (20); and the remote control module (18) is bidirectionally signal-connected to a remote intercom module (21).

4. The tilt adjustment system for a CT scanning gantry according to claim 1, characterized in that: The surface of the mounting shell (31) is fixedly connected to the connection point of the fixed base frame (1), the surface of the protective shell (113) is fixedly connected to the connection point of the mounting shell (31), and the surface of the screw rod (32) is movably connected to the connection point of the mounting shell (31).

5. The tilt adjustment system for a CT scanning gantry according to claim 1, characterized in that: A displacement screw sleeve (34) is provided in a threaded sleeve at the center of the surface of the screw rod (32); an auxiliary plate (35) is fixedly connected to the top of the displacement screw sleeve (34); a movable plate (33) is movably connected to the top of the auxiliary plate (35) via a rotating shaft; and the other end of the movable plate (33) is movably connected to the right side of the CT scanner frame (2) via a rotating shaft.

6. The tilt adjustment system for a CT scanning gantry according to claim 5, characterized in that: A positioning groove (36) for use with the auxiliary plate (35) is provided on the top of the installation shell (31), and the surface of the displacement screw sleeve (34) is in sliding contact with the inner wall of the installation shell (31).

7. The tilt adjustment system for a CT scanning gantry according to claim 1, characterized in that: A variable speed motor (114) is fixedly mounted on the top of the inner cavity of the protective shell (113); a rotation speed sensor (12) is sleeved and mounted on the output end of the variable speed motor (114); a second gear (112) is fixedly sleeved on the output end of the variable speed motor (114); a first gear (111) is fixedly sleeved on the surface of the screw rod (32) and located in the inner cavity of the protective shell (113); the first gear (111) is meshed with the second gear (112).

8. The tilt adjustment system for a CT scanning gantry according to claim 1, characterized in that: The bottom of the storage seat (247) is fixedly connected to the top of the fixed plate (23); the surface of the displacement seat (244) is in sliding contact with the inner wall of the storage seat (247); the tops of the front and back surfaces of the storage seat (247) are both bolted with small hydraulic cylinders (246); the output end of the small hydraulic cylinder (246) penetrates the inner cavity of the storage seat (247) and contacts the displacement seat (244); the bottom of the inner cavity of the storage seat (247) is fixedly connected with a support spring (245), the top of the support spring (245) is fixedly connected to the bottom of the displacement seat (244), the surface of the displacement seat (244) is fixedly sleeved with an extension plate (241), the front and rear sides of the bottom of the extension plate (241) are fixedly connected to hemispherical contact heads (242), the left and right sides of the front surface of the CT scanner frame (2) are fixedly connected to inclined plates (243), and the top of the inclined plate (243) is in sliding contact with the bottom of the hemispherical contact head (242).

Images