CN211962064U - Medical CT rotor inspection frock - Google Patents
Medical CT rotor inspection frock Download PDFInfo
- Publication number
- CN211962064U CN211962064U CN201921263065.XU CN201921263065U CN211962064U CN 211962064 U CN211962064 U CN 211962064U CN 201921263065 U CN201921263065 U CN 201921263065U CN 211962064 U CN211962064 U CN 211962064U
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- rotor
- aluminum
- support rods
- aluminum alloy
- support
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- 238000007689 inspection Methods 0.000 title claims abstract description 44
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 34
- 239000004677 Nylon Substances 0.000 claims description 18
- 229920001778 nylon Polymers 0.000 claims description 18
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000002591 computed tomography Methods 0.000 description 15
- 239000004411 aluminium Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model relates to a medical CT rotor inspection tool, which comprises an inspection platform; the support assembly is arranged on the inspection platform and comprises four support rods, the upper ends of the support rods are connected with the annular disc of the rotor, the lower ends of the support rods are connected with a steel ball, one group of two support rods are short columns, the other two support rods are long columns, the length of each long column is greater than that of each short column, and the steel balls of the short columns are supported on the aluminum beam; and an aluminum alloy fulcrum is arranged in the middle of the lower end face of the aluminum beam. The utility model has the advantages that: the four support rods are used for supporting, so that the stress of the whole rotor is balanced, and the deformation of the rotor is obviously reduced; the support rod is not supported on the support wall any more, so that the measurement is completed in one step, and the working efficiency is improved; the steel balls are additionally arranged at the bottom end of the supporting rod, and the surface-to-surface contact is changed into point-to-surface contact, so that the phenomenon of unevenness does not exist, and the problem that workpieces are unstable can be well solved.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to medical treatment CT rotor inspection frock.
Background
Ct (computed tomography), namely, computed tomography, which uses precisely collimated X-ray beams, gamma rays, ultrasonic waves, etc. to scan sections of a human body one after another around a certain part of the human body together with a detector with extremely high sensitivity, has the characteristics of fast scanning time, clear images, etc., and can be used for the examination of various diseases; the following can be classified according to the radiation used: x-ray CT (X-CT), and gamma-ray CT (gamma-CT).
A typical CT (computed tomography) apparatus includes a gantry, a rotor mounted on the gantry, wherein the rotor is rotatable about its axis relative to the gantry, an X-ray tube and an X-ray detector mounted on the rotor in opposed relation. The known rotor comprises a rotating body and a balancing mass, the rotating body comprising an annular disc and a supporting wall, the supporting wall being connected to the outer edge of the annular disc and having an inner cylindrical surface connected to the annular disc and coaxial with the annular disc. The balance weight is connected with the rotating body and used for maintaining the stability of the rotation of the rotor.
The rotor in CT has high requirement on machining size, and comprises a rotating body and a balance block, wherein the rotating body comprises an annular disc and a supporting wall, the annular disc is provided with a plurality of threaded connecting holes, the supporting wall is annular and is connected with the outer edge of the annular disc, the upper end surface of the supporting wall is an A roller surface, the lower end surface of the supporting wall is a B roller surface, the outer circumferential surface of the supporting wall is a C round roller surface, the balance block is connected with the rotating body, the flatness of the A roller surface and the B roller surface is not more than 0.05mm, and the runout of the C round roller surface is not more than 0.08mm, so that the rotor needs to be detected after being machined. When detecting, firstly, the rotor needs to be supported on a tool, and then, the flatness and the roundness of each surface of the rotor are detected by using measuring tools such as a roundness measuring instrument and the like. As shown in a traditional tool figure 1, three cylinders are adopted to be respectively supported in three areas of a B track surface, so that the installation is convenient, the operation is easy, but a plurality of problems exist: firstly, under the support of the workpiece in the mode, the stress is unbalanced, and irregular deformation of the rolling surface A, the rolling surface B and the rolling surface C can be caused due to the influence of the self gravity of the rotor; secondly, the supporting cylinder is placed below the B track surface, interference occurs in the advancing process of a measuring needle of the measuring machine, the measuring needle cannot be in place in one step, and after the primary measurement is finished, the rotor needs to be rotated, so that the covered surface of the B track surface is exposed in the primary measurement, and the secondary measurement is carried out, so that the detection efficiency is reduced; finally, the workpiece is placed on the three-column cylinder, surface-to-surface contact is achieved, a gap exists between the workpiece and the three-column cylinder, uneven phenomena can occur, the workpiece can be placed unstably during measurement, and the above problems are solved, so that the detection is inaccurate, the detection needs to be carried out for multiple times, and the detection result is not ideal.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a medical treatment CT rotor inspection frock that the atress is balanced, can once measure and target in place.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a medical treatment CT rotor inspection frock, medical treatment CT rotor include commentaries on classics rotator and balancing piece, and the rotator includes annular disc and support wall, has a plurality of threaded connection holes on the annular disc, and the support wall is the annular form to connect the outer fringe of annular disc, and the up end of support wall is A raceway surface, and the lower terminal surface is B raceway surface, and the outer periphery is C circle raceway surface, and the rotator is connected to the balancing piece, and its innovation point lies in: comprises that
An inspection platform;
the support assembly is arranged on the inspection platform and comprises four support rods, the upper ends of the support rods are connected with the annular disc of the rotor, the lower ends of the support rods are connected with a steel ball, two of the support rods are in a group and are short columns, the other two support rods are in a group and are long columns, the length of each long column is larger than that of each short column, the steel balls of the long columns are directly supported on the inspection platform, the steel balls of the short columns are supported on the aluminum beams, and after the short columns are supported on the aluminum beams, the overall height of the aluminum beams and the short columns is consistent with that of the long columns;
and an aluminum alloy fulcrum is arranged in the middle of the lower end face of the aluminum beam and supported on the inspection platform.
Furthermore, the bracing piece includes a cylindric bracing piece main part, all has an extension section that outwards stretches out in the central point of the both sides of bracing piece main part, and all has the external screw thread structure on the extension section, and one of them extension section and the threaded connection hole screw-thread fit on the rotor annular dish, another extension section and steel ball threaded connection have the internal thread blind hole that holds the embedding of extension section simultaneously on the steel ball, this internal thread blind hole and extension section screw-thread fit.
Furthermore, the aluminum alloy supporting point comprises an aluminum alloy supporting plate, the aluminum alloy supporting plate is fixed with the aluminum beam, an aluminum alloy supporting rod protruding outwards is arranged in the middle of the bottom end of the aluminum alloy supporting plate, and the section of the aluminum alloy supporting rod is in a semicircular shape.
Furthermore, the two sides of the upper end face of the aluminum beam are respectively provided with a nylon base plate, the nylon base plates are fixed with the aluminum beam, the upper end face of one nylon base plate is provided with an oval groove matched with the steel ball, and the upper end face of the other nylon base plate is provided with a circular groove attached to the steel ball.
The utility model has the advantages that: in the inspection tool, the rotor is supported by the four support rods, so that the stress of the whole rotor is balanced, and the deformation of the rotor is obviously reduced; and divide into two long posts and two short columns through four spinal branch vaulting poles, wherein, two long posts directly support on inspection platform, and two short columns support on the aluminium roof beam, and the bottom of aluminium roof beam supports on inspection platform through an aluminum alloy fulcrum, like this when guaranteeing the four-point support of rotor, the point of supporting on inspection platform still is three points, still measures the rotor promptly based on three-point measurement principle, has guaranteed measuring accuracy.
For the supporting position between the supporting rod and the rotor, the top end of the supporting rod is fixed with the annular disc of the rotor through threads without being supported on the supporting wall, so that the interference of the supporting rod is avoided, the measurement is completed in one step, and the working efficiency is improved;
the steel balls are additionally arranged at the bottom end of the supporting rod, so that the original surface-to-surface contact is changed into point-to-surface contact, the phenomenon of unevenness does not exist, and the problem that workpieces are unstable can be well solved.
For the design of the aluminum alloy pivot, the aluminum alloy supporting plate is matched with the aluminum alloy supporting rod, and the semicircular aluminum alloy supporting rod is utilized to support the aluminum beam on the inspection platform, so that the aluminum beam can be more conveniently and smoothly tilted and swung left and right.
The nylon base plate is arranged on the aluminum beam, so that the steel balls are conveniently supported, one of the steel balls is positioned by utilizing the circular groove, and the fine adjustment of the position of the other steel ball is facilitated by the design of the oval groove so as to match with the machining error.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of a conventional medical CT rotor inspection tool.
Fig. 2 is a schematic view of the medical CT rotor inspection tool of the present invention.
Fig. 3 is a schematic view of the middle support rod of the present invention.
Fig. 4 is a schematic view of the aluminum beam of the present invention.
Fig. 5 is a schematic view of one of the nylon tie plates of the present invention.
Fig. 6 is a schematic view of another nylon backing plate of the present invention.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 2-6, the medical CT rotor inspection tool comprises a rotating body and a balance block, the rotating body comprises an annular disc 1 and a supporting wall 2, the annular disc 1 is provided with a plurality of threaded connection holes 3, the supporting wall 2 is in an annular shape and is connected with the outer edge of the annular disc 1, the upper end surface of the supporting wall 2 is an a-roller surface, the lower end surface of the supporting wall 2 is a B-roller surface, the outer circumferential surface of the supporting wall 2 is a C-roller surface, and the balance block is connected with the rotating body.
The inspection tool comprises
An inspection platform 4, wherein the inspection platform 4 is a flat plate structure.
The utility model provides a set up the supporting component on inspection platform 4, the supporting component includes four spinal branch vaulting poles, the upper end of bracing piece links to each other with the annular disc 1 of rotor, the lower extreme of bracing piece is connected with a steel ball 5, as can be known from the schematic diagram shown in fig. 3, the bracing piece includes a cylindric bracing piece main part 6, central point in the both sides of bracing piece main part 6 puts and all has an extension 7 that outwards stretches out, and all have the external screw thread structure on the extension 7, one of them extension 7 and the threaded connection hole 3 screw-thread fit on the rotor annular disc 1, another extension 7 and steel ball 5 threaded connection, have the internal thread blind hole 8 that holds extension 7 embedding simultaneously on steel ball 5, this internal thread blind hole 8 and the external screw thread structure of extension 7 are screw-thread.
For four support rods, two of the support rods are a group and are short columns 9, the other two support rods are a group and are long columns 10, the length of each long column 10 is larger than that of each short column 9, steel balls of the long columns 10 are directly supported on the inspection platform 4, the steel balls of the short columns 9 are supported on the aluminum beams 11, and after the short columns 9 are supported on the aluminum beams 11, the overall height of the aluminum beams 11 and the short columns 9 is consistent with that of the long columns 10. Through addding steel ball 5 in the bottom of bracing piece to the screw thread fixation of cooperation bracing piece and annular dish 1 makes between annular dish 1, bracing piece and the testing platform 4 from original face-to-face contact, becomes point face contact, just does not have uneven phenomenon yet, and the unstable problem is put to solution work piece that can be fine.
An aluminum alloy fulcrum 15 is installed at the middle position of the lower end face of the aluminum beam 11, and the aluminum alloy fulcrum 15 is supported on the inspection platform 4. For the cooperation between aluminium roof beam 11 and inspection platform 4, adopt the aluminium alloy fulcrum 15 in the middle part of aluminium roof beam 11 to make the middle part position of aluminium roof beam 11 support on inspection platform, and the both sides position of aluminium roof beam 11 then suspends in the top of inspection platform 4, and such design can be according to the difference of each position weight of rotor, through the slope about aluminium roof beam 11 come the cooperation rotor, ensures the support of rotor when carrying out the rotor and support.
Through dividing four spinal branch vaulting poles into two long posts 10 and two short posts 9, wherein, two long posts 10 directly support on inspection platform 4, two short posts 9 support on aluminium roof beam 11, and aluminium alloy fulcrum 15 is supported on inspection platform 1 through the bottom of aluminium roof beam 11, when guaranteeing the four-point support of rotor like this, the point of supporting 4 on inspection platform still is three points, still measures the rotor promptly based on three-point measurement principle, has guaranteed measuring accuracy.
The aluminum alloy supporting point 15 comprises an aluminum alloy supporting plate 12, the aluminum alloy supporting plate 12 is fixedly connected with the aluminum beam 11 through a bolt, an aluminum alloy supporting rod 13 protruding outwards is arranged in the middle of the bottom end of the aluminum alloy supporting plate 12, and the section of the aluminum alloy supporting rod 13 is in a semicircular shape. To the design of aluminum alloy fulcrum 15, adopt the cooperation of aluminum alloy backup pad 12 and aluminum alloy bracing piece 13, utilize the aluminum alloy bracing piece 12 of semicircle form to realize that aluminium roof beam 11 supports on inspection platform 4, more make things convenient for the smoothness of aluminium roof beam 11 horizontal tilt swing, make things convenient for the inspection measurement of the different angles of rotor.
Two sides of the upper end face of the aluminum beam 11 are respectively provided with a nylon backing plate 14, the nylon backing plates 14 are fixedly connected with the aluminum beam 11 through bolts, the upper end face of one nylon backing plate 14 is provided with an oval groove 16 matched with the steel ball 5, and the upper end face of the other nylon backing plate 14 is provided with a circular groove 17 attached to the steel ball 5. The nylon backing plate 14 is arranged on the aluminum beam 11, so that the steel balls 5 are conveniently supported, one circular groove 17 is used for positioning one steel ball 5, and the oval groove 16 is used for facilitating fine adjustment of the position of the other steel ball 5 so as to match with machining errors.
The working principle is as follows: when the rotor is inspected, firstly, the upper ends of the four support rods are respectively fixedly connected with the threaded connection holes 3 of the rotor in a threaded manner, the lower ends of the four support rods are respectively connected with an upper steel ball, then, two long columns 10 are directly supported on an inspection platform 4, short columns 9 are supported on an aluminum beam 11, the steel ball 5 of one short column 9 is placed in a circular groove 17 on a nylon base plate 14 to realize the positioning of the short column 9, the steel ball of the other short column 9 is placed in an oval groove 16 on the other nylon base plate 14, the aluminum beam 11 is supported on the inspection platform 4 to complete the support of the rotor, and finally, a roundness meter and other measuring tools are utilized to measure the A, B and C circular raceway surfaces of the rotor.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a medical treatment CT rotor inspection frock, medical treatment CT rotor include commentaries on classics rotator and balancing piece, and the rotator includes annular disc and support wall, has a plurality of threaded connection holes on the annular disc, and the support wall is the annular form to connect the outer fringe of annular disc, and the up end of support wall is A raceway surface, and the lower terminal surface is B raceway surface, and the outer periphery is C circle raceway surface, and the rotator is connected to the balancing piece, its characterized in that: comprises that
An inspection platform;
the support assembly is arranged on the inspection platform and comprises four support rods, the upper ends of the support rods are connected with the annular disc of the rotor, the lower ends of the support rods are connected with a steel ball, two of the support rods are in a group and are short columns, the other two support rods are in a group and are long columns, the length of each long column is larger than that of each short column, the steel balls of the long columns are directly supported on the inspection platform, the steel balls of the short columns are supported on the aluminum beams, and after the short columns are supported on the aluminum beams, the overall height of the aluminum beams and the short columns is consistent with that of the long columns;
and an aluminum alloy fulcrum is arranged in the middle of the lower end face of the aluminum beam and supported on the inspection platform.
2. The medical CT rotor inspection tool of claim 1, characterized in that: the supporting rod comprises a cylindrical supporting rod main body, extending sections extending outwards are arranged at the center positions of two sides of the supporting rod main body, external thread structures are arranged on the extending sections, one of the extending sections is in threaded fit with a threaded connecting hole in the rotor annular disc, the other extending section is in threaded connection with the steel ball, an internal thread blind hole for embedding the extending section is formed in the steel ball, and the internal thread blind hole is in threaded fit with the extending section.
3. The medical CT rotor inspection tool of claim 1, characterized in that: the aluminum alloy supporting point comprises an aluminum alloy supporting plate, the aluminum alloy supporting plate is fixed with the aluminum beam, an aluminum alloy supporting rod protruding outwards is arranged in the middle of the bottom end of the aluminum alloy supporting plate, and the cross section of the aluminum alloy supporting rod is in a semicircular shape.
4. The medical CT rotor inspection tool of claim 1, characterized in that: the two sides of the upper end face of the aluminum beam are respectively provided with a nylon base plate, the nylon base plates are fixed with the aluminum beam, the upper end face of one nylon base plate is provided with an oval groove matched with the steel ball, and the upper end face of the other nylon base plate is provided with a circular groove attached to the steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921263065.XU CN211962064U (en) | 2019-08-06 | 2019-08-06 | Medical CT rotor inspection frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921263065.XU CN211962064U (en) | 2019-08-06 | 2019-08-06 | Medical CT rotor inspection frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211962064U true CN211962064U (en) | 2020-11-20 |
Family
ID=73353901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921263065.XU Withdrawn - After Issue CN211962064U (en) | 2019-08-06 | 2019-08-06 | Medical CT rotor inspection frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211962064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368016A (en) * | 2019-08-06 | 2019-10-25 | 南通爱尔思轻合金精密成型有限公司 | A kind of medical treatment CT rotor inspection tooling |
-
2019
- 2019-08-06 CN CN201921263065.XU patent/CN211962064U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368016A (en) * | 2019-08-06 | 2019-10-25 | 南通爱尔思轻合金精密成型有限公司 | A kind of medical treatment CT rotor inspection tooling |
| CN110368016B (en) * | 2019-08-06 | 2024-05-24 | 南通爱尔思轻合金精密成型有限公司 | Medical CT rotor inspection tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201120 Effective date of abandoning: 20240524 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201120 Effective date of abandoning: 20240524 |