CN216209810U - Adjusting device and magnetic resonance equipment - Google Patents
Adjusting device and magnetic resonance equipment Download PDFInfo
- Publication number
- CN216209810U CN216209810U CN202122386133.5U CN202122386133U CN216209810U CN 216209810 U CN216209810 U CN 216209810U CN 202122386133 U CN202122386133 U CN 202122386133U CN 216209810 U CN216209810 U CN 216209810U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- gradient coil
- adjusting
- guide rail
- fixing frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims description 19
- 230000000712 assembly Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 10
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 241001465754 Metazoa Species 0.000 description 6
- 238000002595 magnetic resonance imaging Methods 0.000 description 6
- 238000010171 animal model Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The utility model provides an adjusting device and a magnetic resonance device, which are arranged on a magnet provided with a mounting hole and used for adjusting a gradient coil accommodated in the mounting hole, and comprise: the fixing frame can be fixedly arranged on the end surface of the magnet and is annularly arranged in the mounting hole; the adjusting component is movably arranged on the fixed frame; and the guide rail assembly is arranged in the mounting hole and used for supporting the gradient coil and being in rolling fit with the gradient coil when the gradient coil is inserted into the mounting hole, the end part of the guide rail assembly is fixedly arranged on the fixing frame, and the adjusting device is provided with the guide rail assembly, so that when the gradient coil is mounted, the gradient coil can slide into the mounting hole of the magnet through the guide rail assembly, and the inner wall of the mounting hole is prevented from being directly contacted with the inner wall of the mounting hole and being scratched.
Description
Technical Field
The utility model relates to the technical field of adjusting devices, in particular to an adjusting device and magnetic resonance equipment.
Background
High field animal magnetic resonance imaging systems are important tools for basic research in life sciences. In a high-field animal magnetic resonance imaging experiment, because the difference of the overall dimensions of different experimental animals is large, gradient coils with different dimensions need to be configured for the experimental animals with different body types, and the position precision of the gradient coils during fixing has a large influence on the final imaging quality. The above factors put high demands on the convenience of disassembly and assembly and the precision of the installation position when the gradient coil is replaced.
The existing gradient coil for high-field magnetic resonance imaging of an animal is usually locked and fixed by front and rear end face screws, sliding friction is generated between the gradient coil and the surface of an inner hole of a magnet in the process of replacing a gradient line, multiple cooperative operations are needed, the outer surface of the gradient coil can be scratched after multiple replacement, and the reliability is difficult to guarantee due to the small stress area of the screw locking and fixing.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for an improved adjusting device and a magnetic resonance apparatus, the adjusting device is provided with a guide rail assembly, so that gradient coils with different sizes can slide into a mounting hole of a piece of magnet through the guide rail assembly, and the position of the gradient coil in the mounting hole can be adjusted through the piece of adjusting assembly, thereby improving the quality of the coil.
The utility model provides magnetic resonance equipment which comprises a magnet and an adjusting device, wherein the magnet is provided with a mounting hole, the adjusting device is used for adjusting a gradient coil accommodated in the mounting hole, the adjusting device comprises one or more guide rail assemblies, and the guide rail assemblies are arranged in the mounting hole and are used for supporting the gradient coil and are matched with the gradient coil in a rolling manner when the gradient coil is inserted into the mounting hole.
So set up, through setting up the guide rail subassembly for when installation gradient coil, gradient coil can slide into in the mounting hole of magnet through the guide rail subassembly, avoid with the inner wall direct contact of mounting hole, the inner wall of fish tail mounting hole.
Further, the guide rail assembly comprises a base, a roller mounting seat and a roller, the roller is rotatably mounted on the roller mounting seat, the roller mounting seat is fixedly mounted on the base, and one end of the base is fixedly mounted on the fixing frame.
So set up, through set up the gyro wheel on the base to change the sliding friction of gradient coil and mounting hole inner wall into rolling friction, so that gradient coil's installation.
Further, the quantity of gyro wheel mount pad is provided with a plurality ofly, and is a plurality of the gyro wheel mount pad is followed the length direction interval of base sets up.
In order to alleviate the vibration when installing the gradient coil, the guide rail assembly comprises a first buffer pad which is arranged at the bottom of the base.
So set up, through setting up first blotter in the bottom of base to alleviate the vibrations when installing the gradient.
Further, the number of the guide rail assemblies is two, and the two guide rail assemblies are symmetrically arranged on the vertical central axis plane of the mounting hole.
In order to fix the guide rail assembly, the adjusting device further comprises a fixing frame, the fixing frame is installed on the end face of the magnet and is annularly arranged in the installation hole, and the end portion of the guide rail assembly is connected with the fixing frame.
So set up, through setting up the mount to with guide rail set spare fixed connection in the mount, in order to fix guide rail set spare.
In order to adjust the position of the gradient coil in the mounting hole after installation, the adjusting device further comprises an adjusting component, the number of the adjusting component is set to be a plurality of, the adjusting component is followed the fixing frame is arranged at intervals, and the adjusting component is movably arranged in the fixing frame.
So set up, through setting up adjusting part in order to adjust the positional relationship of gradient coil in the mounting hole.
Furthermore, the adjusting assembly comprises a butt-joint part and a set screw, the fixing frame is provided with a threaded hole penetrating through the fixing frame along the radial direction, the set screw is movably arranged in the threaded hole, and the butt-joint part is fixedly arranged at one end, close to the central axis of the fixing frame, of the set screw.
According to the arrangement, the position of the butt joint piece mounted on the screw in the radial direction is adjusted through the expansion and contraction of the set screw in the radial direction, so that the gradient coils butted with each other on the butt joint piece are adjusted.
Furthermore, the adjusting assembly further comprises a locknut, and the locknut is fixedly installed at one end, relatively far away from the central axis of the fixing frame, of the set screw.
So set up, through setting up locknut to it is not hard up to avoid holding screw fixed back.
Further, the adjusting assembly further comprises a second cushion pad, and the second cushion pad is arranged at one end of the abutting piece, which is relatively close to the central axis of the fixing frame.
So set up, through setting up the second blotter to avoid butt joint spare fish tail gradient coil.
The utility model provides an improved adjusting device and a magnetic resonance device, wherein the adjusting device is provided with a guide rail assembly, so that gradient coils with different sizes and specifications can slide into a mounting hole of a piece of magnet through the guide rail assembly, and the position of the gradient coil in the mounting hole can be adjusted through the piece of adjusting assembly, thereby improving the desired quality of the coil.
Drawings
Fig. 1 is a structural sectional view of a magnetic resonance apparatus provided by the present invention;
fig. 2 is a schematic view of the configuration of the adjusting means in the magnetic resonance apparatus shown in fig. 1;
FIG. 3 is a cross-sectional structural schematic view of the adjustment assembly shown in FIG. 2;
fig. 4 is a schematic view of the structure of the guide rail assembly in the adjusting device shown in fig. 2.
100. An adjustment device; 10. a fixed mount; 11. an adjustment hole; 20. an adjustment assembly; 21. tightening the screw; 22. a docking member; 23. a locknut; 24. a second cushion pad; 30. a guide rail assembly; 31. a base; 311. welding holes; 32. a roller mounting seat; 33. a roller; 34. a first cushion pad; 200. a magnet; 210. mounting holes; 300. a gradient coil.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
High field animal magnetic resonance imaging systems are important tools for basic research in life sciences. In a high-field animal magnetic resonance imaging experiment, because the difference of the external dimensions of different experimental animals is large, gradient coils with different dimensions and specifications need to be configured for experimental animals with different body types, and the position precision of the fixed gradient coils has a large influence on the final imaging quality; this puts high demands on the ease of assembly and disassembly and the accuracy of the mounting position when replacing the gradient coil.
The existing gradient coil for high-field magnetic resonance imaging of an animal is usually locked and fixed by front and rear end face screws, sliding friction is generated between the gradient coil and the surface of an inner hole of a magnet in the process of replacing the gradient coil, more cooperative operation is needed, the outer surface of the gradient coil can be scratched after multiple replacement, and the reliability is difficult to guarantee due to the small stress area of the screw locking and fixing.
In view of the above technical problems, the present invention provides an improved adjusting device 100 and a magnetic resonance apparatus, the adjusting device 100 is provided with a guide rail assembly 30, so that gradient coils 300 with different sizes can slide into mounting holes 210 of a piece magnet 200 through the guide rail assembly 30, and the position of the gradient coil 300 in the mounting hole 210 can be adjusted through a piece adjusting assembly 20, thereby improving the desired quality of the coil.
It should be noted that, in the present embodiment, the adjusting assembly 20 is used to adjust the position of the gradient coil 300 in the magnetic resonance apparatus in the mounting hole 210, so that gradient coils 300 with different specifications can be mounted with maximum accuracy, thereby improving the imaging quality of the magnetic resonance apparatus; however, the present invention is not limited to the adjustment device 100 adjusting the gradient coil 300, and in other embodiments, the adjustment device 100 can adjust and transfer the position of the rf coil in the mounting hole 210, but the adjustment device 100 can also provide adjustment for other technical fields, such as transformer technology, as long as the adjustment of the mounting member can be achieved.
In this embodiment, the magnet 200 is provided with a mounting hole 210, and the mounting hole 210 has a housing space capable of accommodating the gradient coil 300, the radio frequency coil, the shim assembly, the water cooling tube, the mounting case, and the like. The adjusting device 100 is disposed in the mounting hole 210, and is used for adjusting the position of the gradient coil 300 accommodated in the mounting hole 210; the adjusting device 100 comprises a fixed frame 10, an adjusting component 20 and a guide rail component 30, wherein the fixed frame 10 is fixedly arranged on the magnet 200, the adjusting component 20 is movably arranged on the fixed frame 10, and the guide rail component 30 is fixedly arranged on the fixed frame 10; the fixed frame 10 is used for installing the adjusting component 20 and the guide rail component 30; the adjustment assembly 20 is used to adjust the gradient coil 300 mounted in the mounting hole 210; the rail assembly 30 is used to slidably mount the gradient coil 300.
Specifically, referring to fig. 1 to 4, fig. 1 is a structural cross-sectional view of a magnetic resonance apparatus provided by the present invention, fig. 2 is a structural schematic view of an adjusting device in the magnetic resonance apparatus shown in fig. 1, fig. 3 is a cross-sectional structural schematic view of an adjusting assembly shown in fig. 2, and fig. 4 is a structural schematic view of a guide rail assembly in the adjusting device shown in fig. 2.
The cylindrical mounting hole 210 that the level set up is seted up on magnet 200, mount 10 fixed mounting is in the terminal surface of magnet 200 to corresponding mounting hole 210 to set up to the ring form, mount 10 encircles the port of establishing mounting hole 210, the central axis of mount 10 and the central axis of mounting hole 210 coincide each other, mount 10 is followed horizontal direction and vertical direction and is seted up the regulation hole 11 that is used for installing adjustment assembly 20, adjustment assembly 20 installs to in the regulation hole 11.
In this embodiment, as shown in fig. 3, by providing metal flanges for the fixing frame 10 at the front and rear end surfaces of the magnet 200, the metal flanges are provided with screw holes to facilitate the installation of the adjustment assembly 20 and the rail assembly 30.
It is understood that the type of the metal flange may be an integral flange, a butt welding flange, a plate type flat welding flange, a butt welding ring plate type loose flange, a flat welding ring plate type loose flange, a flanging ring plate type loose flange, a flange cover, etc., the shape of the fixing frame 10 is not limited by the present invention, and in other embodiments, the fixing frame 10 may also be a square ring shape as long as the fixing frame 10 can mount the adjusting assembly 20 and the guide rail assembly 30. The fixing frame 10 may be made of cast iron flange, cast steel, forged, Q235, stainless steel flange, plastic flange, etc.
Meanwhile, in order to enable the adjustment assembly 20 to adjust the gradient coil 300 mounted to the mounting hole 210; the adjusting assembly 20 is movably mounted on the fixing frame 10, the adjusting assembly 20 includes a set screw 21 and an abutting member 22, the set screw 21 is movably mounted in the adjusting hole 11 and can be relatively close to or far from the central axis of the mounting hole 210 for adjusting the position of the gradient coil 300; an abutment 22 is mounted at one end of the set screw 21 for abutting the gradient coil 300.
Specifically, the fixing frame 10 is provided with four adjusting holes 11 in the horizontal direction and the vertical direction, the four adjusting holes 11 are uniformly arranged along the periphery of the fixing frame 10, the oppositely arranged mounting holes 210 are symmetrically arranged about the central axis of the mounting holes 210, the adjusting holes 11 of the fixing frame 10 are threaded holes, the set screws 21 are rotatably mounted in the threaded holes, and the set screws 21 can be relatively close to or relatively far away from the central axis of the mounting holes 210 through the rotating members, so that the set screws 21 can be relatively close to or relatively far away from the central axis of the mounting holes 210; the cross section of the abutting piece 22 is approximately in a concave shape, one end face of the abutting piece 22 is provided with a notch, one end, relatively close to the central axis of the mounting hole 210, of the set screw 21 is fixedly mounted in the notch of the abutting piece 22, so that the abutting piece 22 can abut against the gradient coil 300 through the abutting piece 22 along with the set screw 21 relatively close to or relatively far away from the central axis of the mounting hole 210, and the position of the gradient coil 300 is adjusted; meanwhile, the adjusting assembly 20 further includes a locknut 23, the locknut 23 is sleeved on one end of the set screw 21 relatively far away from the central axis of the mounting hole 210 to fasten the set screw 21 and prevent the set screw 21 from loosening.
So set up, through setting up mounting hole 210 with mount 10 as the screw hole, holding screw 21 rotates and installs in the screw hole for holding screw can drive interfacing part 22 butt gradient coil 300, with the position of adjusting gradient coil 300.
It is understood that the present invention is not limited to adjusting the position of the gradient coil 300 by the engagement of the screw and the screw, and in other embodiments, a pneumatic or hydraulic rod may be provided on the fixing frame 10, and the position of the gradient coil 300 may be adjusted by the pneumatic or hydraulic rod as long as the gradient coil 300 can be installed at a suitable position.
Meanwhile, in order to avoid the abutting piece 22 from scratching the gradient coil 300 when abutting against the gradient coil 300 and damaging the gradient coil 300, a second cushion pad 24 is arranged on one end face of the abutting piece 22, which is relatively close to the central axis of the mounting hole 210, so that the abutting piece 22 and the gradient coil 300 are in contact through the second cushion pad 24 to avoid scratching; the second cushion pad 24 may be made of rubber, silicone, natural rubber, sponge, or the like.
It should be noted that the position of the adjusting assembly 20 disposed on the fixing frame 10 is not limited in the present invention, and in other embodiments, the adjusting assembly 20 may be disposed on the fixing frame 10 at an angle of 45 degrees, 30 degrees, etc. with respect to the horizontal axis, as long as the adjusting assembly 20 can adjust the gradient coil 300 mounted in the mounting hole 210.
In addition, in order to enable the gradient coil 300 to be smoothly accommodated in the mounting hole 210, in the present embodiment, the rail assembly 30 is provided such that the gradient coil 300 can be smoothly mounted into the mounting hole 210 through the rail assembly 30; the guide rail assembly 30 is a roller guide rail structure and comprises a base 31, a roller mounting seat 32 and a roller 33, wherein the roller 33 is rotatably mounted on the roller mounting seat 32, and the roller mounting seat 32 is fixedly mounted on the base 31; the roller 33 is used for rolling the gradient coil 300 so that the gradient coil 300 moves smoothly; the roller mounting seat 32 is used for mounting a roller 33; the base 31 is used for installing the roller 33 fixing seat.
The number of the guide rail assemblies 30 is set to be a plurality, the plurality of guide rail assemblies 30 are arranged along the circumference of the gradient coil 300, the plurality of guide rail assemblies 30 are fixedly installed on the inner wall of the installation hole 210, at least one guide rail assembly 30 exists in the plurality of guide rail assemblies 30, the guide rail assemblies 30 support the gradient coil 300, the outer surface of the gradient coil 300 is prevented from being in direct contact with the inner surface of the installation hole 210, and therefore the inner surface of the installation hole 210 is prevented from being scratched.
Specifically, the number of the rail assemblies 30 is set to two, two rail assemblies 30 are symmetrically arranged about the vertical central axis of the mounting hole 210, a plane formed by a straight line where each rail assembly 30 is located and the central axis of the mounting hole 210 forms an included angle of 45 ° with the vertical central axis, and the two rail assemblies 30 support the gradient coil 300, thereby preventing the outer circumferential wall of the gradient coil 300 from contacting the inner wall of the mounting hole 210.
So configured, the gradient coil 300 can be stably driven to move by symmetrically arranging the guide rail assembly 30 along the vertical central axis of the mounting hole 210.
It is understood that the present invention is not limited to the plane formed by the straight line of each guide rail assembly 30 and the central axis of the mounting hole 210 and the vertical central axis forming an angle of 45 °, and in other embodiments, the plane formed by the straight line of each guide rail assembly 30 and the central axis of the mounting hole 210 and the vertical central axis forming an angle of 30 ° is provided as long as the gradient coil 300 can pass through the base 31.
Specifically, the base 31 is substantially in the shape of a long strip plate, the length of the base 31 is equal to the depth of the mounting hole 210, the base 31 extends into the mounting hole 210, and one end of the base 31 is fixedly connected to the fixed frame 10; the base 31 is provided with a fixing hole for the mounting part roller mounting seat 32, the base 31 is provided with a welding hole 311, the welding hole 311 can be butted to a welding nail in the magnet 200, so that the base 31 can be fixedly mounted in the mounting hole 210 of the magnet 200, and preferably, the base 31 is a metal guide rail.
With this arrangement, the base 31 can be stably mounted to the predetermined position by forming the welding holes 311 in the base 31 corresponding to the welding nails inside the magnet 200.
It is understood that the present invention is not limited to the fixing manner of the base 31, and in other embodiments, the base 31 may be fixedly installed to a preset position in the installation hole 210 by a screw or a snap.
The roller mounting seats 32 are fixedly mounted on the base 31 through screws and are arranged at intervals along the length direction of the base 31, each roller mounting seat 32 is provided with a containing area for containing a roller 33, the rollers 33 are rotatably mounted in the containing areas, each roller mounting seat 32 is provided with two rollers 33, and the two rollers 33 are symmetrically arranged about the central line of the roller mounting seat 32; preferably, the roller mounts 32 are uniformly arranged along the length direction of the base 31.
So set up, through setting up gyro wheel mount 32 for gyro wheel 33 rotates to be installed in gyro wheel mount 32, makes when installing gradient coil 300, and gradient coil 300 can install into mounting hole 210 through gyro wheel 33.
It should be understood that the present invention is not limited to rolling the gradient coil 300 into the mounting hole 210 by means of the roller 33, and in other embodiments, a ball may be disposed on the base 31 as long as the gradient coil 300 can be easily accommodated in the mounting hole 210.
Meanwhile, in order to prevent the ignition phenomenon between the metal guide rail and the magnet 200 during the operation of the magnet 200, the utility model further provides a first buffer pad 34, wherein the first buffer pad 34 is installed between the metal base 31 and the magnet 200 to prevent the metal guide rail from directly contacting the magnet 200, and specifically, the first buffer pad 34 is a rubber pad, and can play a role in damping and increasing the stressed area of the guide rail and the magnet 200.
The utility model also provides a magnetic resonance device which comprises the adjusting device 100, wherein the magnetic resonance device provided with the adjusting device 100 can adjust the gradient coils 300 with different sizes through the adjusting device 100 so as to keep the gradient coils 300 at the preset position, thereby improving the imaging precision of the magnetic resonance device.
The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.
Claims (10)
1. A magnetic resonance device comprises a magnet (200), wherein the magnet (200) is provided with a mounting hole (210), and is characterized by further comprising an adjusting device used for adjusting a gradient coil (300) accommodated in the mounting hole (210), the adjusting device comprises one or more guide rail assemblies (30), the guide rail assemblies (30) are arranged in the mounting hole (210), and are used for supporting the gradient coil (300) and are in rolling fit with the gradient coil (300) when the gradient coil (300) is inserted into the mounting hole (210).
2. The MRD of claim 1, wherein the guide rail assembly (30) comprises a base (31), a roller mounting seat (32) and a roller (33), the roller (33) is rotatably mounted on the roller mounting seat (32), the roller mounting seat (32) is fixedly mounted on the base (31), and the base (31) is mounted on the inner wall of the mounting hole (210).
3. The MRD of claim 2, wherein the number of the roller mounting seats (32) is provided in plurality, and the plurality of roller mounting seats (32) are arranged at intervals along the length direction of the base (31).
4. The MR apparatus according to claim 3, wherein the rail assembly (30) comprises a first cushion (34), the first cushion (34) being disposed at a bottom of the base (31).
5. The MRD of claim 2, wherein the number of the rail assemblies (30) is two, and the two rail assemblies (30) are symmetrically arranged about the vertical central axis plane of the mounting hole (210).
6. The MRD of claim 1, wherein the adjusting device further comprises a fixing frame (10), the fixing frame (10) is installed on the end face of the magnet (200) and is annularly arranged in the installation hole (210), and the end of the guide rail assembly (30) is connected with the fixing frame (10).
7. The MR apparatus according to claim 6, wherein the adjusting device further comprises a plurality of adjusting assemblies (20), the plurality of adjusting assemblies (20) are arranged at intervals along the fixing frame (10), and the adjusting assemblies (20) are movably mounted on the fixing frame (10).
8. The magnetic resonance apparatus according to claim 7, wherein the adjusting assembly (20) includes an abutting member (22) and a set screw (21), the fixed frame (10) is opened with a threaded hole penetrating through the fixed frame (10) along a radial direction, the set screw (21) is movably mounted in the threaded hole, and the abutting member (22) is fixedly mounted at one end of the set screw (21) relatively close to a central axis of the fixed frame (10).
9. The MR apparatus according to claim 8, wherein the adjustment assembly (20) further comprises a locknut (23), the locknut (23) being fixedly mounted to an end of the set screw (21) relatively distant from a central axis of the stationary frame (10).
10. The mr apparatus of claim 9, wherein the adjustment assembly (20) further comprises a second cushion (24), the second cushion (24) being disposed at an end of the interface element (22) relatively close to a central axis of the mount (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122386133.5U CN216209810U (en) | 2021-09-29 | 2021-09-29 | Adjusting device and magnetic resonance equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122386133.5U CN216209810U (en) | 2021-09-29 | 2021-09-29 | Adjusting device and magnetic resonance equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216209810U true CN216209810U (en) | 2022-04-05 |
Family
ID=80927178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122386133.5U Active CN216209810U (en) | 2021-09-29 | 2021-09-29 | Adjusting device and magnetic resonance equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216209810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115553747A (en) * | 2022-04-15 | 2023-01-03 | 无锡锡州机械有限公司 | Nuclear magnetic resonance winding coil support convenient to supplementary installation |
-
2021
- 2021-09-29 CN CN202122386133.5U patent/CN216209810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115553747A (en) * | 2022-04-15 | 2023-01-03 | 无锡锡州机械有限公司 | Nuclear magnetic resonance winding coil support convenient to supplementary installation |
| CN115553747B (en) * | 2022-04-15 | 2024-02-09 | 无锡锡州机械有限公司 | Nuclear magnetic resonance coil bracket convenient for auxiliary installation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216209810U (en) | Adjusting device and magnetic resonance equipment | |
| CN104455181B (en) | A kind of accurate zero stiffness vibration isolator that adopts annular permanent magnet to produce negative stiffness | |
| US8757568B2 (en) | Wall mount assembly | |
| CN100506148C (en) | Magnetic resonance imaging system | |
| US4573809A (en) | Shaft mounting | |
| JP6169175B2 (en) | Curved hook | |
| JPH03185802A (en) | Passive shim composite substance for mr magnet | |
| CN103648379B (en) | MR imaging apparatus, the MR imaging apparatus diagnostic bed localization method in diagnostic bed and MR imaging apparatus | |
| US10126388B2 (en) | Gradient coil unit and magnetic resonance imaging apparatus | |
| US20140125341A1 (en) | Gradient coil mounting unit and magnetic resonance imaging apparatus having the same | |
| US8630062B2 (en) | Bearing apparatus having concentric inner and outer roller bearings and information recording/reproducing apparatus | |
| EP1581963B1 (en) | Mid span support for a magnetic array of a cylindrical magnetron sputter device | |
| CN108742625B (en) | Housing arrangement with user interface and medical imaging device with such a housing arrangement | |
| CN211287125U (en) | Tolerance adjustment device for concealed door handle outside motor vehicle | |
| US10189051B2 (en) | Vibration motor and method of manufacturing the same | |
| CN114047593B (en) | Light-weight SiC primary mirror supporting mechanism of optical measuring equipment | |
| CN206000877U (en) | A kind of self adaptation bearing block | |
| CN210640791U (en) | Magnetic suspension motor radial sensor mounting structure | |
| CN211040315U (en) | Supporting mechanism with adjustable length | |
| CN213196439U (en) | Gradient coil assembly fixture | |
| CN106321632B (en) | Magnetic steel fixing seat and magnetic suspension bearing | |
| CN218378588U (en) | Camera shooting cloud platform | |
| CN219432999U (en) | Mounting mechanism and apparatus | |
| CN220501023U (en) | Unmanned aerial vehicle mounts quick assembly disassembly structure | |
| CN209815325U (en) | Vertical angle-adjustable roller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |