CN111983029A - Ultrasonic tomography micro-rotation system - Google Patents
Ultrasonic tomography micro-rotation system Download PDFInfo
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- CN111983029A CN111983029A CN201910436098.8A CN201910436098A CN111983029A CN 111983029 A CN111983029 A CN 111983029A CN 201910436098 A CN201910436098 A CN 201910436098A CN 111983029 A CN111983029 A CN 111983029A
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- 238000003325 tomography Methods 0.000 title claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 27
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000002604 ultrasonography Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0654—Imaging
- G01N29/0672—Imaging by acoustic tomography
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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Abstract
The invention discloses an ultrasonic tomography micro-rotation system which comprises a support, wherein a control box is installed at the upper end of one side of the support through a screw I, a lead screw module is fixedly installed at the upper end of the other side of the support, a stepping motor worm reducer is installed on a sliding block of the lead screw module through a screw II, a fixed tray is fixedly connected to the lower end of a connecting frame, a rotary tray is placed in the fixed tray, a gear is meshed with outer gear teeth of a tray on the rotary tray, and an annular ultrasonic probe is fixed on the rotary tray; this little rotary system of ultrasonic tomography, the lift of the rotation and the translation from top to bottom that realizes annular ultrasonic probe that can be stable promotes the resolution ratio that annular ultrasonic probe formed images to can be just being imaged the different aspect of object and being imaged.
Description
Technical Field
The invention relates to the technical field of ultrasonic imaging, in particular to an ultrasonic tomography micro-rotation system.
Background
The existing research shows that in order to improve the imaging resolution of the annular ultrasonic probe, the annular ultrasonic probe needs to make high-precision micro-rotation motion in water, and besides the micro-rotation requirement, the probe system is also needed to image different layers of an imaged object in actual use, and the annular probe needs to correspondingly lift and fall in the water; to this end, we propose an ultrasound tomography micro-rotation system.
Disclosure of Invention
The present invention is directed to a micro-rotation system for ultrasonic tomography, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an ultrasonic tomography micro-rotation system comprises a bracket, wherein a control box is installed at the upper end of one side of the bracket through a screw I, a screw rod module is fixedly installed at the upper end of the other side of the bracket, a stepping motor worm reducer is installed on a sliding block of the screw rod module through a screw II, the lower end of the stepping motor worm reducer is fixedly installed on a connecting frame through the screw II, the lower end of the connecting frame is fixedly connected with a fixed tray, a rotating tray is placed in the fixed tray, a plurality of balls are arranged at the clearance between the fixed tray and the rotating tray in a surrounding manner, outer gear teeth of the tray are welded at the outer side of the rotating tray in a surrounding manner, a connecting lug plate is welded and fixed at one outer side of the fixed tray, a bearing hole is formed in the connecting lug plate, a bearing is inserted in the bearing hole and is welded and fixed with the bearing, an output rotating shaft is arranged at the lower end of, the lower extreme of output shaft is inserted and is established in the bearing, the fixed cover in the top of connecting the otic placode in the output shaft is equipped with the gear, the gear meshes with the tray foreign steamer tooth on the rotatory tray, be fixed with annular ultrasonic probe on the rotatory tray, one side of support is provided with the water tank, fixed tray, rotatory tray and annular ultrasonic probe are all placed in the water tank.
Preferably, the support comprises vertical square steel, the lower end of the vertical square steel is fixedly welded with three transverse H-shaped steel, the transverse H-shaped steel is perpendicular to the vertical square steel, angles formed between every two adjacent transverse H-shaped steel are equal, and triangular reinforcing plates are welded between the transverse H-shaped steel and the vertical square steel.
Preferably, the link includes arc roof and two I shape connecting plates, and two I shape connecting plates all fix the lower extreme both sides at the arc roof through screw III, the both ends that the outside of fixed tray is located the connection otic placode have all welded and have supported the otic placode, and the lower extreme of two I shape connecting plates all supports on two support otic placodes and through screw IIII fixed connection.
Preferably, the step motor worm reducer is fixed at the upper end of the arc-shaped top plate, and an output rotating shaft on the step motor worm reducer penetrates through the middle of the arc-shaped top plate.
Preferably, the fixed tray and the rotating tray are both annular, and a central rotating shaft of the rotating tray passes through the annular center of the annular ultrasonic probe.
Preferably, the step angle precision of the step motor worm reducer is not less than 0.0001125 degrees, and the ratio of the gear to the radius of the gear formed by the tray outer gear teeth on the rotating tray is not higher than 1: 10.
Compared with the prior art, the invention has the beneficial effects that: the ultrasonic tomography micro-rotation system is reasonable in structural design, and the rotation assembly mainly comprises a step motor worm reducer and a rotation tray and the translation assembly mainly comprises a screw rod module, a connecting frame and a fixed tray, so that the rotation and the up-and-down translation lifting of the annular ultrasonic probe can be stably realized, the imaging resolution of the annular ultrasonic probe is improved, and different layers of an imaged object can be imaged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of a connecting frame according to the present invention;
FIG. 4 is a schematic view of an output shaft according to the present invention;
FIG. 5 is a schematic view of a rotating tray 8 of the present invention;
FIG. 6 is a schematic view of a mounting tray of the present invention.
In the figure: the device comprises a support 1, vertical square steel 101, transverse I-shaped steel 102, a triangular reinforcing plate 103, a control box 2, a screw rod module 3, a stepping motor worm reducer 4, an output rotating shaft 401, a gear 402, a connecting frame 5, an arc-shaped top plate 501, an I-shaped connecting plate 502, a water tank 6, a fixed tray 7, a supporting lug plate 701, a connecting lug plate 702, a bearing 703, a ball 704, a rotating tray 8, a tray outer gear tooth 801 and an annular ultrasonic probe 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an ultrasonic tomography micro-rotation system comprises a support 1, wherein the support 1 comprises vertical square steel 101, the lower end of the vertical square steel 101 is fixedly welded with three transverse H-shaped steels 102, the transverse H-shaped steels 102 are perpendicular to the vertical square steel 101, angles formed between every two adjacent transverse H-shaped steels 102 are equal, triangular reinforcing plates 103 are welded between the transverse H-shaped steels 102 and the vertical square steel 101, and the support 1 formed by the structural assembly can be stably supported and has high stability;
a control box 2 is arranged at the upper end of one side of a support 1 through a screw I, the control box 2 is used for controlling a worm reducer 4 of a stepping motor to work, a lead screw module 3 is fixedly arranged at the upper end of the other side of the support 1, the worm reducer 4 of the stepping motor is arranged on a sliding block of the lead screw module 3 through a screw II, the lower end of the worm reducer 4 of the stepping motor is fixedly arranged on a connecting frame 5 through a screw II, a fixing tray 7 is fixedly connected with the lower end of the connecting frame 5, the connecting frame 5 comprises an arc-shaped top plate 501 and two I-shaped connecting plates 502, the two I-shaped connecting plates 502 are fixed on the two sides of the lower end of the arc-shaped top plate 501 through screws III, supporting lug plates 701 are welded at the two ends of the connecting lug plates 702 outside the fixing tray 7, the lower ends of the two I-shaped connecting, The translation assembly formed by the connecting frame 5 and the fixed tray 7 can stably realize the lifting of the up-and-down translation of the annular ultrasonic probe, and the lifting principle is that a sliding block on a screw rod module 3 connected with a worm reducer 4 of a stepping motor can be adjusted in an up-and-down sliding manner, so that the up-and-down translation of the fixed tray 7 is realized;
A rotating tray 8 is placed in a fixed tray 7, a plurality of balls 704 are arranged at the clearance between the fixed tray 7 and the rotating tray 8 in a surrounding manner, tray outer gear teeth 801 are welded at the outer side of the rotating tray 8 in a surrounding manner, a connecting lug plate 702 is welded and fixed at one outer side of the fixed tray 7, a bearing hole is formed in the connecting lug plate 702, a bearing 703 is inserted and welded and fixed in the bearing hole, an output rotating shaft 401 is arranged at the lower end of a stepping motor worm reducer 4, the stepping motor worm reducer 4 is fixed at the upper end of an arc-shaped top plate 501, the output rotating shaft 401 on the stepping motor worm reducer 4 penetrates through the middle part of the arc-shaped top plate 501, the lower end of the output rotating shaft 401 is inserted in the bearing 703, a gear 402 is fixedly sleeved on the output rotating shaft 401 above the connecting lug plate 702, the gear 402 is meshed with the tray outer gear teeth 801 on the rotating tray 8, the stepping angle precision of the stepping motor worm reducer 4 is not inferior to 0.0001125, the more excellent the precision is shown; the better the precision, the better the control of the micro-rotation), for example, in the present invention, the stepper motor may adopt a 40000 subdivided driver, the worm may adopt 80 times of speed reduction, the precision of the output step angle is 360 °/40000/80=0.0001125 °, and the rotation of the ring-shaped ultrasonic probe 9 can also be affected; the ratio of the gear radius formed by the tray outer gear teeth 801 on the action gear 402 and the rotating tray 8 is not higher than 1:10, and can play a role of further reducing the rotation angle so as to realize micro-rotation, with the step angle precision of the stepping motor worm reducer of 0.0001125 °, and the ratio of the gear radius formed by the tray outer gear teeth 801 on the gear 402 and the rotating tray 8 is controlled to be 10: 108, for example, it is possible in particular to achieve a micro-rotation of rotation angle 0.0001125 ° + 10/108=0.00001041667 °, with a resolution of ultrasound tomography of up to one hundred thousandth of a degree;
Be fixed with annular ultrasonic probe 9 on the rotatory tray 8, fixed tray 7 all is the annular with rotatory tray 8, and the central rotation axis of rotatory tray 8 can drive annular ultrasonic probe 9 rotatoryly through annular ultrasonic probe 9's annular center, the rotating assembly who comprises step motor worm reducer 4 and rotatory tray 8, and the rotation principle is: the rotating tray 8 can rotate relative to the fixed tray 7 under the action of the balls 704, the gear 402 on the output rotating shaft 401 is driven to rotate by the worm reducer 4 of the stepping motor, the gear 402 is meshed with the outer gear teeth 801 of the tray on the rotating tray 8, the rotating tray 8 can be driven to rotate, and the rotating tray 8 is fixed with the annular ultrasonic probe 9, so that the annular ultrasonic probe 9 can be driven to rotate;
the ultrasonic tomography micro-rotation system can realize ultrasonic tomography imaging on a large-volume measured object, can be very conveniently matched with the water tank for use, can only soak waterproof mechanical parts in water through ingenious structural arrangement of all components, and has good waterproof effect because other electrical control parts are all outside the water; for example, the lead screw module 3, the step motor worm reducer 4 and other related electrical control parts are arranged outside the water tank, the annular ultrasonic probe 9 and other mechanical components (such as the rotating tray 8, the fixed tray 7, the gear 402, the ball 704 and the like) can be completely arranged in the water tank and submerged by water, the connecting frame 5 can be partially arranged outside the water tank 6, and the other part is arranged inside the water tank 6; the annular ultrasonic probe 9 is waterproof, parts of components soaked in water together in the system are stainless steel components or other rustless material components, no electric component is arranged in the system, the structure of the single-side lifting annular ultrasonic probe 9 is made, and the imaging of an object to be imaged is facilitated, for example, thighs or arms of a person can extend into the middle of the annular probe to image.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An ultrasonic tomography micro-rotation system comprising a support (1), characterized in that: the automatic feeding device is characterized in that a control box (2) is installed at the upper end of one side of a support (1) through a screw I, a screw rod module (3) is fixedly installed at the upper end of the other side of the support (1), a stepping motor worm reducer (4) is installed on a sliding block of the screw rod module (3) through a screw II, the lower end of the stepping motor worm reducer (4) is fixedly installed on a connecting frame (5) through the screw II, a fixed tray (7) is fixedly connected to the lower end of the connecting frame (5), a rotary tray (8) is placed in the fixed tray (7), a plurality of balls (704) are arranged at a gap between the fixed tray (7) and the rotary tray (8) in a surrounding mode, outer gear teeth (801) of the tray are welded around the outer side of the rotary tray (8), and a connecting lug plate (702) is welded and fixed to the outer side of the fixed tray (7), connect and seted up the dead eye on otic placode (702), insert in the dead eye and establish and welded fastening has bearing (703), the lower extreme of step motor worm reducer (4) is provided with output pivot (401), the lower extreme of output pivot (401) is inserted and is established in bearing (703), the fixed cover in the top of connecting otic placode (702) is equipped with gear (402) on output pivot (401), the meshing of the outer teeth of a cogwheel of tray (801) on gear (402) and the rotatory tray (8), be fixed with annular ultrasonic probe (9) on rotatory tray (8), one side of support (1) is provided with water tank (6), fixed tray (7), rotatory tray (8) and annular ultrasonic probe (9) are all placed in water tank (6).
2. An ultrasound tomography micro-rotation system according to claim 1, characterized in that: the support (1) comprises vertical square steel (101), the lower end of the vertical square steel (101) is fixedly welded with three transverse H-shaped steels (102), the transverse H-shaped steels (102) are perpendicular to the vertical square steel (101), angles formed between every two adjacent transverse H-shaped steels (102) are equal, and triangular reinforcing plates (103) are welded between the transverse H-shaped steels (102) and the vertical square steel (101).
3. An ultrasound tomography micro-rotation system according to claim 1, characterized in that: the connecting frame (5) comprises an arc-shaped top plate (501) and two I-shaped connecting plates (502), the two I-shaped connecting plates (502) are fixed on the two sides of the lower end of the arc-shaped top plate (501) through screws III, supporting ear plates (701) are welded at the two ends, located at the connecting ear plates (702), of the outer side of the fixed tray (7), and the lower ends of the two I-shaped connecting plates (502) are supported on the two supporting ear plates (701) and are fixedly connected through screws IIII.
4. An ultrasound tomography micro-rotation system according to claims 1 and 3, characterized in that: the step motor worm reducer (4) is fixed at the upper end of the arc-shaped top plate (501), and an output rotating shaft (401) on the step motor worm reducer (4) penetrates through the middle of the arc-shaped top plate (501).
5. An ultrasound tomography micro-rotation system according to claim 1, characterized in that: the fixed tray (7) and the rotary tray (8) are both annular, and the central rotating shaft of the rotary tray (8) passes through the annular center of the annular ultrasonic probe (9).
6. An ultrasound tomography micro-rotation system according to claim 1, characterized in that: the accuracy of the step angle of the worm reducer (4) of the stepping motor is not lower than 0.0001125 degrees, and the ratio of the gear (402) to the radius of the gear formed by the tray outer gear teeth (801) on the rotating tray (8) is not higher than 1: 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910436098.8A CN111983029A (en) | 2019-05-23 | 2019-05-23 | Ultrasonic tomography micro-rotation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910436098.8A CN111983029A (en) | 2019-05-23 | 2019-05-23 | Ultrasonic tomography micro-rotation system |
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| Publication Number | Publication Date |
|---|---|
| CN111983029A true CN111983029A (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910436098.8A Pending CN111983029A (en) | 2019-05-23 | 2019-05-23 | Ultrasonic tomography micro-rotation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617904A (en) * | 2021-01-08 | 2021-04-09 | 中国科学技术大学 | Three-dimensional panoramic fault ultrasonic device |
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| CN203479762U (en) * | 2013-11-29 | 2014-03-12 | 广东汕头超声电子股份有限公司 | A-B axis motorized fine adjustment mechanism of six-degree-of-freedom ultrasonic imaging device |
| CN104076089A (en) * | 2014-06-27 | 2014-10-01 | 南京晨光集团有限责任公司 | Automatic ultrasonic C scanning detection system for annular forging |
| CN204410839U (en) * | 2014-12-30 | 2015-06-24 | 中国人民解放军第三军医大学第三附属医院 | The ultrasonic dynamic Small object monitoring imaging system of arc micro scanning |
| CN105572227A (en) * | 2016-03-16 | 2016-05-11 | 武汉优凯检测技术有限公司 | Automatic flaw detection device for probe underneath type non-contact detecting steel plate |
| US20170273660A1 (en) * | 2016-03-24 | 2017-09-28 | Episonica Corporation | Ultrasound image-capturing device for whole breast |
| CN109350116A (en) * | 2018-12-05 | 2019-02-19 | 武汉维视医学影像有限公司 | A kind of sonde configuration of breast ultrasound computed tomography (SPECT) system |
-
2019
- 2019-05-23 CN CN201910436098.8A patent/CN111983029A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203479762U (en) * | 2013-11-29 | 2014-03-12 | 广东汕头超声电子股份有限公司 | A-B axis motorized fine adjustment mechanism of six-degree-of-freedom ultrasonic imaging device |
| CN104076089A (en) * | 2014-06-27 | 2014-10-01 | 南京晨光集团有限责任公司 | Automatic ultrasonic C scanning detection system for annular forging |
| CN204410839U (en) * | 2014-12-30 | 2015-06-24 | 中国人民解放军第三军医大学第三附属医院 | The ultrasonic dynamic Small object monitoring imaging system of arc micro scanning |
| CN105572227A (en) * | 2016-03-16 | 2016-05-11 | 武汉优凯检测技术有限公司 | Automatic flaw detection device for probe underneath type non-contact detecting steel plate |
| US20170273660A1 (en) * | 2016-03-24 | 2017-09-28 | Episonica Corporation | Ultrasound image-capturing device for whole breast |
| CN109350116A (en) * | 2018-12-05 | 2019-02-19 | 武汉维视医学影像有限公司 | A kind of sonde configuration of breast ultrasound computed tomography (SPECT) system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617904A (en) * | 2021-01-08 | 2021-04-09 | 中国科学技术大学 | Three-dimensional panoramic fault ultrasonic device |
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