CN116893184A - Special leaky ray detection equipment and detection method for X-ray tube assembly - Google Patents
Special leaky ray detection equipment and detection method for X-ray tube assembly Download PDFInfo
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- CN116893184A CN116893184A CN202310908237.9A CN202310908237A CN116893184A CN 116893184 A CN116893184 A CN 116893184A CN 202310908237 A CN202310908237 A CN 202310908237A CN 116893184 A CN116893184 A CN 116893184A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
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Abstract
The invention relates to the field of X-ray detection, in particular to special ray leakage detection equipment and a detection method for an X-ray tube assembly.
Description
Technical Field
The invention relates to the field of X-ray detection, in particular to special leakage ray detection equipment and a detection method for an X-ray tube assembly.
Background
The bulb tube is a vacuum component working under high voltage, is used for diagnosis in medicine, is used for nondestructive testing, structural analysis, spectral analysis, film exposure and the like of materials in the aspect of industrial technology, has wide application, has special channels to lead out X rays and irradiate objects to obtain images when the bulb tube works, and needs to shield X rays in other directions by lead and other materials to leak and damage surrounding human bodies when the X rays are led out, so that a manufacturer of the bulb tube needs to perform ray leakage testing on the bulb tube after the bulb tube is produced, and ensures that the bulb tube has no ray leakage problem.
The device for bulb tube ray leakage testing comprises a rotating assembly, a trolley guiding assembly and a C-shaped arm assembly, wherein the rotating assembly is arranged on the ground through a base, the C-shaped arm assembly is fixed on the ground through a vertical column square tube, a C-shaped arm in the C-shaped arm assembly is semicircular, the rotating assembly is located at one end of the C-shaped arm, an output end in the rotating assembly is arranged along the radial direction of the C-shaped arm and faces the circle center of the semicircular ring formed by the C-shaped arm, the trolley guiding assembly is arranged on the ground and located in front of the inclined direction of the rotating assembly, and the output end in the rotating assembly faces parallel.
According to the above patent, when the bulb to be tested rotates along with the rotating shaft, all other positions except the transmitting port for transmitting the X-rays are exposed in the coverage area of the X-ray detector mounted on the C-arm, so that whether the condition of the leaked rays exists or not can be ensured to be detected in all positions, however, the detection of the X-rays emitted by the X-ray bulb assembly is not guaranteed to be comprehensive, the condition that the leaked rays are not detected still exists is still detected, and the detection is not comprehensive, so that a detection device capable of comprehensively detecting the leaked rays is needed at present.
Disclosure of Invention
Aiming at the problems existing in the prior art, the special ray leakage detection equipment for the X-ray tube assembly is provided, and the ray leakage detection method for the X-ray tube assembly is further provided, and the direct rays emitted in the tube of the X-ray tube assembly and the direct rays emitted outside the tube of the X-ray tube assembly can be respectively detected by the first ray sensor and the second ray sensor in a mode that the X-ray tube assembly body moves along the annular track and rotates, so that the detection effect is improved.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the invention provides special ray leakage detection equipment for an X-ray tube assembly, which comprises a chassis for mounting the X-ray tube assembly body, wherein an annular track is arranged on the chassis, a sliding block is arranged on the annular track, the X-ray tube assembly body is arranged on the sliding block, a sliding driver for driving the sliding block to slide along the annular track is arranged on the chassis, a rotary driver for driving the X-ray tube assembly body to rotate is arranged on the sliding block, a circular ring coaxial with the annular track is arranged on the chassis, a plurality of first X-ray sensors are arranged on the circular ring, the plurality of first X-ray sensors are uniformly distributed along the circumferential direction of the circular ring, the working end of each first X-ray sensor faces to the outer side, the working end of the X-ray tube assembly body faces to the working end of the first X-ray sensor, a plurality of bars are uniformly distributed in the circular ring, a plurality of second X-ray sensors are respectively arranged on the bars at equal intervals along the length direction of the bars, the working end of each second X-ray sensor faces to the outer side, and the chassis is also provided with a distance regulating and controlling assembly for driving the plurality of bars to move along the circular ring to control the distance between the second X-ray tube assembly body and the X-ray tube assembly body.
Preferably, the sliding driver is provided with a rotating frame which is of an annular structure, the rotating frame is rotationally arranged on the underframe, a coaxial line of the rotating frame and the circular ring is connected with a first bearing between the rotating frame and the inner side of the underframe, a second bearing is connected between the rotating frame and the outer side of the underframe, a first rotating motor used for driving the rotating frame to rotate is arranged on the underframe, the circular ring is fixedly connected with the rotating frame, the plurality of ray tube assembly bodies are uniformly distributed along the circumferential direction of the annular track, sliding blocks used for installing each ray tube assembly body are arranged on the annular track, and a connecting plate is fixedly connected between each sliding block and the rotating frame.
Preferably, the rotary driver is provided with a collar, the collar is fixedly arranged on the sliding block, the tail end of the ray tube assembly body is fixedly provided with a rotary ring, the axis of the rotary ring and the axis of the working end of the first ray sensor are positioned on the same plane, the rotary ring is coaxial and rotationally arranged in the collar, a third bearing is connected between the rotary ring and the collar, a gear is coaxially and fixedly arranged on the rotary ring, an outer ring of the underframe is fixedly provided with a gear ring coaxial with the circular ring, and the gear ring are meshed with each other.
Preferably, the distance regulating and controlling assembly is provided with a fixed ring, the fixed ring is fixedly arranged on the underframe, the fixed ring and the circular ring are coaxial, a plurality of bars are uniformly distributed around the fixed ring, one end of each bar is hinged with the fixed ring, the fixed ring is provided with a hinged part for hinging the end part of each bar, the distance regulating and controlling assembly is also provided with a movable ring, the movable ring is coaxial and movably arranged above the fixed ring, a connecting piece is arranged between each bar and the movable ring, and a movable driver for driving the movable ring to vertically move is arranged on the fixed ring.
Preferably, a diaphragm is arranged on the plurality of bars in a surrounding manner, the diaphragm is fixedly connected with the inner side of each bar, and the lower end of the diaphragm is fixedly sleeved on the fixing ring.
Preferably, the connecting piece is equipped with auxiliary rod, and auxiliary rod's one end and bar pole fixed connection, auxiliary rod's the other end extends towards the direction of solid fixed ring, and auxiliary rod's pole wall laminating is in the inner wall of diaphragm, and the connecting piece still is equipped with the push-and-pull rod, and the one end of push-and-pull rod is articulated with auxiliary rod's lower extreme, and the other end of push-and-pull rod upwards extends and articulates with the expansion ring, has the articulated portion that supplies every push-and-pull rod tip to articulate on the expansion ring.
Preferably, the movable driver is provided with a threaded rod, the threaded rod is coaxially and rotatably arranged on the fixed ring, the movable ring is sleeved on the threaded rod in a threaded manner, and the fixed ring is provided with a second rotating motor for driving the threaded rod to rotate.
Preferably, the upper end of the threaded rod is fixedly sleeved with an anti-drop ring for preventing the movable ring from sliding upwards to be separated from the threaded rod.
Preferably, the straight ray passing through the pipe orifice by the working end of the ray tube assembly body faces the first ray sensor and is sensed by the first ray sensor.
Preferably, the straight rays passing through the working end of the ray tube assembly body outside the tube orifice face the second ray sensor and are sensed by the second ray sensor.
In a second aspect, based on the above-mentioned special leakage ray detection device, the present invention further proposes a leakage ray detection method for an X-ray tube assembly, comprising the steps of:
s1, debugging: the distance between the second ray sensor and the ray tube assembly body is adjusted, the movable ring is driven to vertically move through the movable driver, and the connected connecting piece is driven to move, so that a plurality of bars are pushed to swing on the fixed ring at the same time, and the second ray sensor on the bars is driven to be close to or far away from the ray tube assembly body until the second ray sensor is located in a preset interval for detecting ray leakage;
s2, starting: starting a sliding driver, and enabling the ray tube assembly body to keep autorotation while driving the ray tube assembly body to revolve around the circular orbit;
s3, detecting: the direct rays emitted by the ray tube assembly body are received by a plurality of first ray sensors distributed along the circular circumferential array; the leakage rays emitted outwards from the ray tube assembly body through the tube wall are received by a plurality of second ray sensors distributed at the center of the circular ring along the linear array.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the mode that the ray tube assembly body moves along the annular track and rotates, the direct rays emitted by the tube of the ray tube assembly body and the direct rays emitted by the outside of the tube can be respectively detected by the first ray sensor and the second ray sensor, so that the comprehensive detection of the leaked rays of the ray tube assembly body is realized, and the detection effect is improved.
2. According to the invention, the sliding block is driven to move in the annular track through the rotation of the rotating frame, and the plurality of ray tube assembly bodies in the annular track can be detected by the first ray sensor simultaneously along with the arrangement of the plurality of ray tube assembly bodies, so that the detection efficiency is improved, the leaked rays emitted out of the ray tube assembly bodies are detected by the second ray sensor, the comprehensive detection of the leaked rays is realized, and the detection effect is improved.
3. According to the invention, through the cooperation of the gear and the gear ring, the gear is driven to roll along the gear ring in the process of moving the sliding block along the annular track, so that the ray tube assembly body is driven to rotate, the purpose that leakage rays outside the tube emitted from the ray tube assembly body are irradiated on the second ray sensor is realized, the leakage rays are ensured to be detected completely, and the detection effect is improved.
4. According to the invention, the second ray sensor on the bar is driven to be close to or far away from the ray tube assembly body by swinging the bar on the fixing ring, so that the leakage rays emitted by the ray tube assembly body are detected in the emission range, the detection of the leakage ray emission distance is realized, the leakage rays are ensured to be comprehensively detected, and the detection precision is improved.
Drawings
FIG. 1 is a schematic perspective view of a dedicated leaky ray detection apparatus for an X-ray tube assembly;
FIG. 2 is a top view of a dedicated leak detection apparatus for an X-ray tube assembly;
FIG. 3 is a partial perspective view of the structure at A-A of FIG. 2;
FIG. 4 is a front view of a dedicated leak detection apparatus for an X-ray tube assembly;
FIG. 5 is a cross-sectional view at B-B of FIG. 4;
FIG. 6 is a cross-sectional view of the perspective structure at B-B of FIG. 4;
FIG. 7 is an enlarged schematic view at C of FIG. 5;
FIG. 8 is an enlarged schematic view at D of FIG. 6;
FIG. 9 is an enlarged schematic view at E of FIG. 5;
fig. 10 is an enlarged schematic view at F of fig. 6.
The reference numerals in the figures are:
1-a chassis; a 2-ray tube assembly body; 3-circular tracks; 31-a slider; 311-connecting plates; 32-a slide drive; 321-rotating rack; 3211-a first bearing; 3212-a second bearing; 322-a first rotating electric machine; 33-a rotary drive; 331-collar; 332-a rotating ring; 3321—a third bearing; 333-gear; 334-ring gear; 4-a first radiation sensor; 41-a circular ring; 5-a second radiation sensor; 51-bar; 6-a distance control assembly; 61-a fixing ring; 62-a movable ring; 621-connecting pieces; 6211-auxiliary bar; 6212-a push-pull rod; 63-an active drive; 631-a threaded rod; 6311-anticreep ring; 632-a second rotating electrical machine; 64-separator.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Example 1
Referring to fig. 1-6, a special ray leakage detection device for an X-ray tube assembly is shown, the special ray leakage detection device comprises a chassis 1 for mounting a ray tube assembly body 2, an annular track 3 is arranged on the chassis 1, a sliding block 31 is arranged on the annular track 3, the ray tube assembly body 2 is arranged on the sliding block 31, a sliding driver 32 for driving the sliding block 31 to slide along the annular track 3 is arranged on the chassis 1, a rotary driver 33 for driving the ray tube assembly body 2 to rotate is arranged on the sliding block 31, a circular ring 41 coaxial with the annular track 3 is arranged on the chassis 1, a plurality of first ray sensors 4 are arranged on the circular ring 41, the plurality of first ray sensors 4 are uniformly distributed along the circumferential direction of the circular ring 41, the working end of each first ray sensor 4 faces to the outside, a plurality of bars 51 are uniformly distributed in the circular ring 41, a plurality of second ray sensors 5 are respectively and equidistantly arranged on each bar 51 along the length direction, and the working end of each second ray sensor 5 faces to the working end of the first ray tube assembly body 4, and the distance between the second ray tube assembly body and the second ray tube assembly body 5 is controlled by the distance between the first ray tube assembly body and the second ray tube assembly body 1 and the second ray tube assembly body 6.
When the X-ray leakage detection process is carried out, the X-ray tube assembly body 2 is driven to rotate around the annular track 3 through the sliding driver 32, as the X-ray generation source of the X-ray tube assembly body 2 faces the first ray sensors 4, the first ray sensors 4 on the annular ring 41 can sense the straight rays emitted from the tube, and as the sliding block 31 is provided with the rotary driver 33 matched with the X-ray tube assembly body 2, the X-ray tube assembly body 2 is subjected to autorotation in the process of moving along the annular track 3, the X-rays emitted outwards from the X-ray tube assembly body 2 through the tube wall are irradiated on the second ray sensors 5, so that the leakage rays of the X-ray tube assembly body 2 are detected, and the straight rays and the outside of the tube can be detected in the tube through the arrangement of the first ray tube assembly body 2 and the second ray sensors 5, and the full leakage rays are detected in the rotating process.
Referring to fig. 3-8, the sliding driver 32 is provided with a rotating frame 321 with a ring structure, the rotating frame 321 is provided with an inner ring, an outer ring and a connecting rod fixedly connected with the inner ring and the outer ring, the rotating frame 321 is rotatably arranged on the chassis 1, the rotating frame 321 is coaxial with the ring 41, a first bearing 3211 is connected between the rotating frame 321 and the inner side of the chassis 1, a second bearing 3212 is connected between the rotating frame 321 and the outer side of the chassis 1, a first rotating motor 322 for driving the rotating frame 321 to rotate is arranged on the chassis 1, the ring 41 is fixedly connected with the rotating frame 321, the plurality of ray tube assembly bodies 2 are arranged, each ray tube assembly body 2 is installed on the ring track 3 through a single sliding block 31, and a connecting plate 311 is fixedly connected between each sliding block 31 and the rotating frame 321.
When the sliding driver 32 drives the ray tube assembly body 2 to move along the annular track 3, the first rotating motor 322 drives the rotating frame 321 to rotate, the circular ring 41 rotates along with the rotating frame, the sliding block 31 moves in the annular track 3, and due to the arrangement of the plurality of ray tube assembly bodies 2 on the annular track 3, the plurality of first ray sensors 4 on the circular ring 41 can respectively detect the plurality of ray tube assemblies simultaneously, and detect the straight rays emitted by the tubes, so that the detection efficiency is improved.
Referring to fig. 3-8, the rotary driver 33 is provided with a collar 331, the collar 331 is fixedly arranged on the slider 31, the tail end of the tube assembly body 2 is fixedly provided with a rotary ring 332, the axis of the rotary ring 332 and the axis of the working end of the first radiation sensor 4 are located on the same plane, the rotary ring 332 is coaxially and rotatably arranged in the collar 331, a third bearing 3321 is connected between the rotary ring 332 and the collar 331, a gear 333 is coaxially and fixedly arranged on the rotary ring 332, a gear ring 334 coaxial with the circular ring 41 is fixedly arranged on the outer ring of the chassis 1, and the gear 333 and the gear ring 334 are mutually meshed.
In the process of driving the ray tube assembly body 2 to move along the annular track 3 on the sliding block 31, the ray tube assembly body 2 is arranged in the collar 331 through the rotation of the rotating ring 332, and the gear 333 on the rotating ring 332 is meshed with the gear 334 on the outer side of the annular track 3, so that the sliding block 31 rotates along the annular track 3 in the process of moving along the annular track 334, the gear 333 drives the ray tube assembly body 2 to rotate, and the emitted leakage rays are enabled to be all irradiated on the second ray sensor 5, so that the effect of comprehensive detection is achieved.
Referring to fig. 3-10, the distance adjusting and controlling component 6 is provided with a fixed ring 61, the fixed ring 61 is fixedly arranged on the chassis 1, the fixed ring 61 is coaxial with the circular ring 41, a plurality of bars 51 are uniformly distributed around the fixed ring 61, one end of each bar 51 is hinged with the fixed ring 61, the fixed ring 61 is provided with a hinged part for hinging the end part of each bar 51, the distance adjusting and controlling component 6 is also provided with a movable ring 62, the movable ring 62 is coaxially and movably arranged above the fixed ring 61, a connecting piece 621 is arranged between each bar 51 and the movable ring 62, and the fixed ring 61 is provided with a movable driver 63 for driving the movable ring 62 to vertically move.
When the distance between the second radiation sensor 5 and the radiation tube assembly body 2 is adjusted by the distance adjusting and controlling assembly 6, in order to ensure that the emission of the leaked radiation can be detected by the second radiation sensor 5, the range between the second radiation sensor 5 and the radiation tube assembly body needs to be adjusted until the emission of the leaked radiation is detected, the distance of the emission of the leaked radiation is detected, the movable ring 62 is driven to vertically move by the movable driver 63, so that the connected connecting piece 621 is driven to move, a plurality of bars 51 are pushed to swing on the fixed ring 61 at the same time, and the second radiation sensor 5 on the bars 51 is caused to gradually approach or separate from the radiation tube assembly body 2, so that the emission range of the leaked radiation is effectively detected.
Referring to fig. 3 to 10, a plurality of bars 51 are provided with a diaphragm 64 around them, the diaphragm 64 is fixedly connected to the inner side of each bar 51, and the lower end of the diaphragm 64 is fixedly fitted over the fixing ring 61.
When the radiation tube assembly body 2 emits the radiation, in order to avoid that the X-rays penetrate between two adjacent bars 51 to affect the detection of the second radiation sensor 5, the diaphragm 64 is arranged, so that the X-rays play a role in preventing the penetration when the X-rays irradiate on the diaphragm 64, and the working ends of the X-rays and the second radiation sensor 5 are kept on the same plane, thereby being beneficial to the accurate detection of the second radiation sensor 5.
Referring to fig. 3 to 10, the connecting member 621 is provided with an auxiliary rod 6211, one end of the auxiliary rod 6211 is fixedly connected with the bar rod 51, the other end of the auxiliary rod 6211 extends toward the direction of the fixed ring 61, the rod wall of the auxiliary rod 6211 is attached to the inner wall of the diaphragm 64, the connecting member 621 is further provided with a push-pull rod 6212, one end of the push-pull rod 6212 is hinged with the lower end of the auxiliary rod 6211, the other end of the push-pull rod 6212 extends upward and is hinged with the movable ring 62, and the movable ring 62 is provided with a hinge portion for hinging the end of each push-pull rod 6212.
When the movable ring 62 moves, the movable ring 62 drives the push-pull rod 6212 to move, and because the push-pull rod 6212 is hinged with the auxiliary rod 6211, the push-pull rod 6212 pushes the push-pull rod 6212 when moving, thereby driving the bar rod 51 to swing on the fixed ring 61, and realizing the distance regulation and control between the second ray sensor 5 and the ray tube assembly body 2.
Referring to fig. 3-10, the movable driver 63 is provided with a threaded rod 631, the threaded rod 631 is coaxially and rotatably disposed on the fixed ring 61, the movable ring 62 is threadedly sleeved on the threaded rod 631, and the fixed ring 61 is provided with a second rotating motor 632 for driving the threaded rod 631 to rotate.
When the movable driver 63 is started, the second rotating motor 632 drives the threaded rod 631 to rotate, and the threaded rod 631 is in threaded engagement with the movable ring 62, so as to drive the movable ring 62 to move.
Referring to fig. 3-10, the upper end of the threaded rod 631 is fixedly sleeved with an anti-drop ring 6311 for preventing the movable ring 62 from sliding upward off the threaded rod 631.
When the movable ring 62 moves on the threaded rod 631, in order to prevent the movable ring 62 from moving upward out of the threaded rod 631, therefore, the movement range of the movable ring 62 is limited by the provision of the end of the threaded rod 631 such that the movement range of the movable ring 62 is between the anti-slip ring 6311 and the fixed ring 61.
Referring to fig. 3-10, the straight rays passing through the nozzle at the working end of the tube assembly body 2 are directed toward and sensed by the first radiation sensor 4.
When the ray tube assembly body 2 emits the straight rays in the tube, in order to ensure that the first ray sensor 4 can accurately detect the straight rays, the ray tube assembly body 2 and the first ray sensor 4 are arranged on the same plane, so that the straight rays in the tube are ensured to irradiate on the first ray sensor 4, and whether the straight rays in the tube of the ray tube assembly body 2 are accurate is detected.
Referring to fig. 3 to 10, the straight rays passing beyond the nozzle through which the working end of the tube assembly body 2 passes are directed toward and sensed by the second radiation sensor 5.
When the ray tube assembly body 2 emits the leaked rays outside the tube, the leaked rays are emitted towards the direction of the second ray sensor 5 and rotate along with the ray tube assembly body 2, so that the second ray sensor 5 can comprehensively detect the leaked rays emitted from the outer circumferential direction of the tube.
Example 2
The embodiment provides a leaky ray detection method for a special leaky ray detection device of an X-ray tube assembly, which comprises the following steps:
s1, debugging: the distance between the second ray sensor 5 and the ray tube assembly body 2 is adjusted, the movable ring 62 is driven to vertically move through the movable driver 63 to drive the connected connecting piece 621 to move, so that the plurality of bars 51 are pushed to swing on the fixed ring 61 at the same time, and the second ray sensor 5 on the bars 51 is driven to be close to or far away from the ray tube assembly body 2 until the second ray sensor 5 is in a preset interval for detecting ray leakage;
s2, starting: starting a sliding driver 32, wherein the sliding driver 32 drives the ray tube assembly body 2 to circularly revolve around the annular orbit 3, and simultaneously, the ray tube assembly body 2 keeps autorotation;
s3, detecting: the straight rays emitted in the tube assembly body 2 are received by a plurality of first ray sensors 4 distributed along the circumferential array of the circular ring 41; the leakage radiation emitted outwards through the tube wall in the tube assembly body 2 is received by a plurality of second radiation sensors 5 distributed in a linear array at the centre of the ring 41.
According to the invention, through the mode that the ray tube assembly body 2 moves along the annular track 3 and rotates, the direct rays emitted by the tube of the ray tube assembly body 2 and the direct rays emitted by the outside of the tube can be respectively detected by the first ray sensor 4 and the second ray sensor 5, so that the detection effect is improved.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (11)
1. The special ray leakage detection equipment for the X-ray tube assembly comprises a chassis (1) for mounting the X-ray tube assembly body (2), and is characterized in that the chassis (1) is provided with an annular track (3), the annular track (3) is provided with a sliding block (31), the X-ray tube assembly body (2) is arranged on the sliding block (31), the chassis (1) is provided with a sliding driver (32) for driving the sliding block (31) to slide along the annular track (3), the sliding block (31) is provided with a rotary driver (33) for driving the X-ray tube assembly body (2) to rotate, the chassis (1) is provided with a circular ring (41) coaxial with the annular track (3), the circular ring (41) is provided with a plurality of first ray sensors (4), the first ray sensors (4) are uniformly distributed along the circumferential direction of the circular ring (41), the working end of each first ray sensor (4) faces to the outer side, the working end of the X-ray tube assembly body (2) faces to the working end of the first ray sensors (4), the working end of each first ray sensor (51) is uniformly distributed in the circular ring (41), the second ray sensor (51) faces to the outer side of each second ray sensor (5) in the equal distance along the length of each ray rod (5), and the underframe (1) is also provided with a distance regulating and controlling component (6) which is used for driving the plurality of bars (51) to move so as to control the distance between the second ray sensor (5) and the ray tube component body (2).
2. The special ray leakage detection device for the X-ray tube assembly according to claim 1, wherein the sliding driver (32) is provided with a rotating frame (321) with an annular structure, the rotating frame (321) is rotatably arranged on the underframe (1), the rotating frame (321) is coaxial with the annular ring (41), a first bearing (3211) is connected between the rotating frame (321) and the inner side of the underframe (1), a second bearing (3212) is connected between the rotating frame (321) and the outer side of the underframe (1), the underframe (1) is provided with a first rotating motor (322) for driving the rotating frame (321) to rotate, the annular ring (41) is fixedly connected with the rotating frame (321), the plurality of ray tube assembly bodies (2) are uniformly distributed along the circumferential direction of the annular rail (3), and a connecting plate (311) is fixedly connected between each sliding block (31) and the rotating frame (321) for installing each ray tube assembly body (2).
3. The special-purpose leakage ray detection device for an X-ray tube assembly according to claim 1, wherein the rotary driver (33) is provided with a collar (331), the collar (331) is fixedly arranged on the sliding block (31), the tail end of the ray tube assembly body (2) is fixedly provided with a rotary ring (332), the axis of the rotary ring (332) is in the same plane with the axis of the working end of the first ray sensor (4), the rotary ring (332) is coaxially and rotatably arranged in the collar (331), a third bearing (3321) is connected between the rotary ring (332) and the collar (331), a gear (333) is coaxially and fixedly arranged on the rotary ring (332), the outer ring of the chassis (1) is fixedly provided with a gear ring (334) coaxial with the circular ring (41), and the gear (333) is meshed with the gear ring (334).
4. The special leakage radiation detection device for the X-ray tube assembly according to claim 1, wherein the distance control assembly (6) is provided with a fixed ring (61), the fixed ring (61) is fixedly arranged on the underframe (1), the fixed ring (61) is coaxial with the circular ring (41), the plurality of bars (51) are uniformly distributed around the fixed ring (61), one end of each bar (51) is hinged with the fixed ring (61), the fixed ring (61) is provided with a hinge part for the end part of each bar (51), the distance control assembly (6) is also provided with a movable ring (62), the movable ring (62) is coaxially and movably arranged above the fixed ring (61), a connecting piece (621) is arranged between each bar (51) and the movable ring (62), and the fixed ring (61) is provided with a movable driver (63) for driving the movable ring (62) to vertically move.
5. The special leakage ray detection device for the X-ray tube assembly according to claim 4, wherein a diaphragm (64) is arranged on the plurality of bars (51) in a surrounding manner, the diaphragm (64) is fixedly connected with the inner side of each bar (51), and the lower end of the diaphragm (64) is fixedly sleeved on the fixing ring (61).
6. The special radiation leakage detection device for an X-ray tube assembly according to claim 4, wherein the connecting piece (621) is provided with an auxiliary rod (6211), one end of the auxiliary rod (6211) is fixedly connected with the bar (51), the other end of the auxiliary rod (6211) extends towards the direction of the fixed ring (61), the rod wall of the auxiliary rod (6211) is attached to the inner wall of the diaphragm (64), the connecting piece (621) is further provided with a push-pull rod (6212), one end of the push-pull rod (6212) is hinged with the lower end of the auxiliary rod (6211), the other end of the push-pull rod (6212) extends upwards and is hinged with the movable ring (62), and the movable ring (62) is provided with a hinge part for hinging the end of each push-pull rod (6212).
7. The special leakage ray detection apparatus for an X-ray tube assembly according to claim 4, wherein the movable driver (63) is provided with a threaded rod (631), the threaded rod (631) is coaxially and rotatably arranged on the fixed ring (61), the movable ring (62) is threadedly sleeved on the threaded rod (631), and the fixed ring (61) is provided with a second rotating motor (632) for driving the threaded rod (631) to rotate.
8. The special leakage ray detection apparatus for an X-ray tube assembly according to claim 7, wherein the upper end of the threaded rod (631) is fixedly sleeved with an anti-slip ring (6311) for preventing the movable ring (62) from sliding upwards off the threaded rod (631).
9. The special leaky ray detection device for an X-ray tube assembly according to claim 1, wherein the direct rays passing through the nozzle by the working end of the tube assembly body (2) are directed towards and induced by the first ray sensor (4).
10. The special leaky ray detection device for an X-ray tube assembly according to claim 1, wherein the direct rays passing beyond the nozzle through which the working end of the tube assembly body (2) passes are directed towards and sensed by the second radiation sensor (5).
11. The leaky ray detection method of a dedicated leaky ray detection apparatus according to any one of claims 1 to 10, comprising the steps of:
s1, debugging: the distance between the second ray sensor (5) and the ray tube assembly body (2) is adjusted, the movable ring (62) is driven to vertically move through the movable driver (63) to drive the connected connecting piece (621) to move, so that the plurality of bars (51) are pushed to swing on the fixed ring (61) at the same time, and the second ray sensor (5) on the bars (51) is driven to be close to or far away from the ray tube assembly body (2) until the second ray sensor (5) is positioned in a preset interval in which ray leakage is detected;
s2, starting: starting a sliding driver (32), wherein the sliding driver (32) drives the ray tube assembly body (2) to revolve around the circular orbit (3) in a circular revolution mode, and meanwhile, the ray tube assembly body (2) keeps rotating;
s3, detecting: the straight rays emitted by the ray tube assembly body (2) are received by a plurality of first ray sensors (4) distributed along the circumferential array of the circular ring (41); the leakage rays emitted outwards through the tube wall in the tube assembly body (2) are received by a plurality of second ray sensors (5) distributed at the center of the circular ring (41) along a linear array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310908237.9A CN116893184A (en) | 2023-07-24 | 2023-07-24 | Special leaky ray detection equipment and detection method for X-ray tube assembly |
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| CN202310908237.9A CN116893184A (en) | 2023-07-24 | 2023-07-24 | Special leaky ray detection equipment and detection method for X-ray tube assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117740239A (en) * | 2024-02-21 | 2024-03-22 | 无锡市宇寿医疗器械有限公司 | Bearing test system for bipolar X-ray tube |
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2023
- 2023-07-24 CN CN202310908237.9A patent/CN116893184A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117740239A (en) * | 2024-02-21 | 2024-03-22 | 无锡市宇寿医疗器械有限公司 | Bearing test system for bipolar X-ray tube |
| CN117740239B (en) * | 2024-02-21 | 2024-04-26 | 无锡市宇寿医疗器械有限公司 | Bearing test system for bipolar X-ray tube |
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