CN-118130514-B - Inspection apparatus

Abstract

The invention provides inspection equipment which comprises a bearing frame, an inspection device and a pressure detection part, wherein the inspection device is arranged inside the bearing frame and is configured to emit radiation rays to an object to be inspected so as to obtain a scanning image of the object to be inspected, and the pressure detection part is connected with the bearing frame, wherein the pressure detection part comprises N detection mechanisms, the N detection mechanisms are used for detecting pressure values applied by the bearing frame at N positions, and N is an integer greater than or equal to 1. According to the inspection equipment disclosed by the invention, the plurality of detection mechanisms are arranged at the bottom of the bearing frame and are used for detecting the pressure value of the corresponding position of the bearing frame, and measures are conveniently taken in time for the region with larger bearing frame stress based on the pressure value, so that the whole bearing frame is stressed uniformly, the ground contacted with the inspection equipment is prevented from being damaged, and the reliable operation of the inspection equipment is ensured.

Inventors

• ZHANG LI
• HUANG QINGPING
• LIANG JINNING
• LI YUE
• ZHAI JIANGLAN
• ZHOU LIFENG
• ZHANG LINLIN
• CHENG YI

Assignees

• 同方威视技术股份有限公司
• 清华大学

Dates

Publication Date

20260508

Application Date

20240327

Claims (14)

1. 1. A CT examination apparatus comprising: A load-bearing frame; An inspection device mounted inside the carrying frame, the inspection device including a first shielding member configured with a first shielding passage, a second shielding member configured with a second shielding passage, and a radiation scanning member configured with a scanning passage, the first shielding passage, the scanning passage, and the second shielding passage being communicated with each other to constitute an inspection passage of the inspection device, the inspection device being configured to emit radiation rays to an object to be inspected through the radiation scanning member to obtain a scanned image of the object to be inspected; The pressure detection part is connected with the bearing frame, wherein the pressure detection part comprises N detection mechanisms, the N detection mechanisms are used for detecting pressure values applied by the bearing frame at N positions, and N is an integer greater than or equal to 1; The weight of the ray scanning component is larger than that of the first shielding component and that of the second shielding component, the bearing frame comprises a first frame, a second frame and a third frame which are in one-to-one correspondence with the first shielding component, the second shielding component and the ray scanning component and are mutually connected in a mechanical mode so as to cooperatively share the weight of the inspection device, the third frame is provided with a supporting frame for bearing a rotating part of the ray scanning component, the top of the supporting frame is connected with a third vertical beam of the third frame through the inclined section in a fourth connecting beam comprising a horizontal section and an inclined section which form an obtuse angle, and the first frame and the third frame share the third vertical beam.
2. 2. The CT examination apparatus of claim 1, wherein the detection mechanism comprises: A support mechanism configured to support the load frame thereon; and the pressure sensor is connected with the bottom of the bearing frame and the supporting mechanism and is positioned between the bearing frame and the supporting mechanism.
3. 3. The CT examination apparatus of claim 2, wherein the support mechanism comprises: the base is propped against the ground; one end of the adjusting rod is connected with the pressure sensor, and the other end of the adjusting rod is connected with the base; the adjustment bar is configured to change a distance between a bottom of the load frame and the ground.
4. 4. The CT examination apparatus of claim 3, wherein the adjustment lever comprises: And one end of the adjusting screw rod is in threaded connection with the pressure sensor, and/or the other end of the adjusting screw rod is in threaded connection with the base.
5. 5. The CT examination apparatus of claim 3, wherein the pressure at each of the locations has a corresponding standard value, the CT examination apparatus further comprising: the data acquisition device is in communication connection with the N pressure sensors and is used for acquiring N pressure values detected by the N pressure sensors; and the control device is in communication connection with the data acquisition device, and is used for controlling the adjusting rod to change the distance when any pressure value deviates from the standard value until the error between the pressure value and the standard value is smaller than or equal to a preset value.
6. 6. The CT examination apparatus of claim 1, wherein the carrying frame comprises: S vertical beams for supporting and transmitting a load of the inspection device, S being greater than or equal to N; t connecting beams, wherein two ends of each connecting beam are respectively connected with the vertical beams and are used for supporting and transmitting the load of the inspection device, and T is greater than or equal to 1; The front projections of the N detection mechanisms are close to or overlap with the front projections of the N vertical beams in one-to-one correspondence.
7. 7. The CT examination apparatus of claim 6, wherein between the top ends of any two adjacent vertical beams are connected by the connecting beam and between the bottom ends are connected by another of the connecting beams.
8. 8. The CT examination apparatus of any one of claims 1-6, wherein the carrier frame comprises: m carrying parts, each carrying at least one component of the inspection device; Wherein, the mechanical connection between any two adjacent bearing parts is used for cooperatively sharing the weight of the inspection device, and M is an integer greater than or equal to 2.
9. 9. The CT examination apparatus of claim 8, wherein the mechanical connection between any two adjacent carriers comprises a mechanical connection between top ends of the carriers and a mechanical connection between bottom ends of the carriers.
10. 10. The CT examination apparatus of claim 9, wherein, An inspection channel is defined in the inspection device, and penetrates through the first shielding group section, the ray scanning group section and the second shielding group section of the inspection device in sequence; the M bearing parts comprise: the first bearing part corresponds to the first frame and bears the first shielding group section; the second bearing part corresponds to the second frame and bears the second shielding group section; The third bearing part corresponds to the third frame and bears the ray scanning group section, a first end of the third bearing part is connected with the first bearing part, a second end of the third bearing part is connected with the second bearing part, and the first end is opposite to the second end.
11. 11. The CT examination apparatus of claim 10, wherein the weight of the radiation scanning group segment is greater than the weight of any one of the first shielding group segment and the second shielding group segment, the N detection mechanisms comprising: n1 first detection mechanisms are positioned at the bottom of the first end; n2 second detection mechanisms are positioned at the bottom of the second end; And N3 third detection mechanisms are positioned between the first end and the second end, and N1, N2 and N3 are all larger than or equal to 1 between N1 first detection mechanisms and N2 second detection mechanisms.
12. 12. The CT examination apparatus of claim 11, wherein, N1 first detection mechanisms are distributed at least one bottom corner of the first end; N2 second detection mechanisms are distributed at the corner of at least one bottom of the second end; n3 third detection mechanisms are distributed at least one side edge of the middle of the bottom of the third bearing part.
13. 13. The CT examination apparatus of claim 11, wherein, The CT inspection equipment comprises an inspection platform which is connected with the first shielding group section and is used for placing the object to be inspected to be scanned; the M bearing parts also comprise fourth bearing parts for bearing the inspection table; The N detection mechanisms further include: N4 fourth detection mechanisms are distributed at the corners of at least one bottom of the fourth bearing part, and N4 is larger than or equal to 1.
14. 14. The CT examination apparatus of claim 13, wherein, The CT inspection equipment comprises an inspection table, wherein the inspection table is connected with the second shielding group section and is used for placing the object to be inspected after scanning is finished; the M bearing parts also comprise fifth bearing parts for bearing the inspection table; The N detection mechanisms further include: n5 fifth detection mechanisms are distributed at the corners of at least one bottom of the fifth bearing part, and N5 is larger than or equal to 1.

Description

Inspection apparatus Technical Field The invention relates to the technical field of detection equipment, in particular to inspection equipment. Background CT equipment utilizes X-ray beam to shine article or human body, judges whether to carry dangerous goods or diagnose the disease according to scanning image, CT equipment wide application in security check field and medical field. CT apparatus typically comprises a plurality of components, which are typically mounted on a load bearing pallet in the prior art, with differences in weight between the individual components, and with different sections of the load bearing pallet being subjected to different loads. The CT equipment is placed on the ground, and the bearing support plate is in direct contact with the ground, so that the load borne by different areas of the bearing support plate cannot be detected. The pressure of different areas of the ground contacted with the bearing plate is unbalanced, and the risk of collapse or cracking can occur in the area with larger ground stress, thereby affecting the reliable operation of CT equipment. In addition, the bearing support plates deform due to uneven stress, so that gaps among all parts and the heights of all parts change, and the inspection channels deform to influence the operation of the equipment. Disclosure of Invention In view of the above, the present invention provides an inspection apparatus for solving the problem that the existing inspection device fails to detect the pressure carried by different areas thereof, resulting in poor operation reliability. An embodiment of the present invention provides an inspection apparatus including: A load-bearing frame; An inspection device mounted inside the carrying frame, the inspection device being configured to emit radiation rays to an object to be inspected to obtain a scanned image of the object to be inspected; and the pressure detection part is connected with the bearing frame, wherein the pressure detection part comprises N detection mechanisms, the N detection mechanisms are used for detecting pressure values applied by the bearing frame at N positions, and N is an integer greater than or equal to 1. According to an embodiment of the invention, the detection mechanism comprises a support mechanism and a pressure sensor, wherein the support mechanism is configured to support the bearing frame on the support mechanism, and the pressure sensor is connected with the bottom of the bearing frame and the support mechanism and is positioned between the bearing frame and the support mechanism. According to an embodiment of the invention, the supporting mechanism comprises a base, an adjusting rod and a supporting frame, wherein the base is abutted against the ground, one end of the adjusting rod is connected with the pressure sensor, the other end of the adjusting rod is connected with the base, and the adjusting rod is configured to change the distance between the bottom of the supporting frame and the ground. According to an embodiment of the invention, the adjusting rod comprises an adjusting screw, one end of which is in threaded connection with the pressure sensor and/or the other end of which is in threaded connection with the base. According to the embodiment of the invention, the pressure at each position has a corresponding standard value, and the inspection equipment further comprises a data acquisition device which is in communication connection with the N pressure sensors and is used for acquiring N pressure values detected by the N pressure sensors, and a control device which is in communication connection with the data acquisition device and is used for controlling the adjusting rod to change the distance when any pressure value deviates from the standard value until the error between the pressure value and the standard value is smaller than or equal to a preset value. According to the embodiment of the invention, the bearing frame comprises S vertical beams used for supporting and transmitting the load of the inspection device, S is larger than or equal to N, T connecting beams, wherein two ends of each connecting beam are respectively connected with the vertical beams and used for supporting and transmitting the load of the inspection device, T is larger than or equal to 1, and the orthographic projections of the N detection mechanisms are close to or overlapped with the orthographic projections of the N vertical beams in a one-to-one correspondence mode. According to an embodiment of the invention, the top ends of any two adjacent vertical beams are connected by said connecting beam, and the bottom ends are connected by another said connecting beam. According to the embodiment of the invention, the bearing frame comprises M bearing parts, wherein each bearing part bears at least one component of the inspection device, any two adjacent bearing parts are mechanically connected so as to cooperatively share the weight of the inspection device,