CN112975822A - Long-tail Dewar installation device for water-cooled magnet and application method of long-tail Dewar installation device - Google Patents
Long-tail Dewar installation device for water-cooled magnet and application method of long-tail Dewar installation device Download PDFInfo
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- CN112975822A CN112975822A CN202110217591.8A CN202110217591A CN112975822A CN 112975822 A CN112975822 A CN 112975822A CN 202110217591 A CN202110217591 A CN 202110217591A CN 112975822 A CN112975822 A CN 112975822A
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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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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Abstract
The invention discloses a water-cooled magnet long-tail Dewar installation device, which comprises a magnet, a Dewar and a Dewar long tail, and further comprises a magnet platform, an adjustable bracket, a translation adjusting assembly, an inclination angle adjusting assembly and an optical feedback device, wherein the magnet platform is arranged on the magnet platform; an installation groove is formed in the magnet platform; the adjustable bracket is arranged in the mounting groove; the translation adjusting assemblies are provided with a plurality of groups, and the plurality of groups of translation adjusting assemblies are used for adjusting the horizontal positions of the Dewar supporting device; one end of the inclination angle adjusting component is fixed with the Dewar supporting device, and the other end of the inclination angle adjusting component is movably connected with the supporting underframe; the optical feedback device comprises a camera and a light source device; according to the invention, the adjustable bracket, the translation adjusting component and the inclination angle adjusting component are arranged between the magnet and the Dewar, the Dewar is supported by the adjustable bracket, the translation and inclination angle adjusting functions are added to the adjustable bracket, and the optical feedback device is adopted for feedback, so that the parallelism between the Dewar and the water-cooling magnet in the installation process of the Dewar can be ensured, and collision contact can be avoided.
Description
Technical Field
The invention relates to the technical field of water-cooled magnet design, in particular to a long-tail Dewar installation device for a water-cooled magnet and a using method.
Background
The water-cooled magnet is the main method for generating the strong magnetic field of more than 20 Tesla at present, the bore diameter of the strong magnetic field provided by the water-cooled magnet is usually a room temperature hole of 50mm, and the distance between the plane of the magnet and the magnetic center is generally more than 600 mm. In scientific experiments, the water-cooled magnet needs to be matched with a long-tail low-temperature Dewar for use. In order to obtain larger low-temperature experimental sample space, the outer diameter of the long tail of the Dewar is close to the room-temperature aperture (about 2mm) of the magnet, and in the installation process of the Dewar, namely, the unilateral distance is only about 1mm, so that the requirements on the collimation degree and the parallelism degree of the long tail of the Dewar are high.
Patent CN104465283A discloses a cryogenic cooling system of a superconducting high-intensity magnetic field magnetron sputtering cathode, which is composed of two liquid nitrogen storage dewars, a booster valve, an air release valve, a first infusion pipeline and a first infusion rod, a second infusion pipeline and a second infusion rod, a vacuum cavity, a magnet dewar upper cover and a magnet dewar base; the superconducting magnet, the outer yoke, the inner yoke and the bottom yoke are arranged in a closed space surrounded by the upper magnet Dewar cover and the magnet Dewar base, the upper magnet Dewar cover and the cathode target are fixed together, and a partial vacuum gap is reserved between the upper magnet Dewar cover and the cathode target. However, the installation mode of the superconducting magnet and the Dewar in the technology often causes the contact of the long tail of the Dewar with the magnet, causes short circuit and increases experimental measurement errors.
Disclosure of Invention
The invention aims to solve the technical problem that the existing installation mode of the water-cooled magnet and the long-tail Dewar often causes the contact between the long tail of the long-tail Dewar and the water-cooled magnet, causes short circuit and increases experimental measurement errors.
The invention solves the technical problems through the following technical means:
a water-cooled magnet long-tail Dewar installation device comprises a magnet, a Dewar and a Dewar long tail, and further comprises a magnet platform, an adjustable bracket, a translation adjusting assembly, an inclination adjusting assembly and an optical feedback device; an up-down through mounting groove is formed in the magnet platform;
the adjustable bracket is arranged in the mounting groove; the adjustable support comprises a support underframe and a Dewar supporting device, the support underframe is fixed at the top of the mounting groove, and the Dewar supporting device is arranged on the support underframe;
the horizontal adjusting assemblies are arranged in multiple groups, the multiple groups of horizontal adjusting assemblies are fixed on the supporting underframe at equal intervals in an annular shape, and the multiple groups of horizontal adjusting assemblies are used for adjusting the horizontal positions of the Dewar supporting device from different directions;
one end of the inclination angle adjusting component is fixed with the Dewar supporting device, and the other end of the inclination angle adjusting component is movably connected with the supporting underframe;
the optical feedback device comprises a camera and a light source device; the camera is arranged at the bottom of the mounting groove; the light source device is arranged at the bottom of the supporting bottom frame and provides a light source for the camera.
According to the invention, the adjustable bracket, the translation adjusting assembly and the inclination angle adjusting assembly are arranged between the magnet and the Dewar, the Dewar is supported by the adjustable bracket, the translation and inclination angle adjusting functions are added to the adjustable bracket, and the optical feedback device is adopted for feedback, so that the parallelism between the Dewar and the magnet in the installation process of the Dewar can be ensured, and collision contact can be avoided.
Preferably, the dewar supporting means comprises a translation plate, a dewar supporting plate and a connecting rod; the translation plate is arranged on the supporting underframe, and the supporting underframe is hollow; the Dewar supporting plate is arranged in the mounting groove; the connecting rod upper end with translation board fixed connection, the connecting rod lower extreme with dewar backup pad fixed connection.
Preferably, the translation plate is a rectangular plate structure with a hollow interior.
Preferably, a dewar long tail mounting hole is formed in the middle of the dewar supporting plate, and the light source device is fixed to the bottom of the dewar long tail mounting hole.
Preferably, the connecting rod is provided in number.
Preferably, the translation adjusting assembly comprises a screw rod fixing seat and a screw rod; the screw rod fixing seat is fixed on the supporting underframe and is provided with a threaded hole; one end of the screw rod is sleeved in the threaded hole, and the other end of the screw rod abuts against the side wall of the Dewar supporting device.
Preferably, the inclination angle adjusting component is an adjusting nut, the middle part of a screw rod of the adjusting nut is sleeved on the Dewar supporting device, and the lower end of the screw rod of the adjusting nut extends to the lower part of the Dewar supporting device and is in threaded connection with the supporting underframe.
Preferably, the tilt angle adjustment assembly is provided with a plurality of sets.
Preferably, the light source device is a non-magnetic LED strip.
The invention also discloses a method for using the water-cooled magnet long-tail Dewar installation device, which comprises the following steps:
s1, firstly, mounting the magnet in the magnet platform;
s2, fixing the supporting underframe at the top of the mounting groove of the magnet platform, placing the Dewar supporting device on the supporting underframe, and roughly adjusting the position of the Dewar supporting device to enable the Dewar supporting device to be horizontal to the magnet platform;
s3, slowly placing the Dewar into the adjustable bracket by using the suspension device, in the process, turning on the light source device, observing the position relation between the long tail of the Dewar and the magnet through the camera until the Dewar completely falls on the Dewar supporting device, and at the moment, extending the Dewar into the mounting groove and being positioned above the camera;
s4, the Dewar supporting device drives the Dewar to horizontally translate on the supporting underframe by adjusting the translation adjusting assembly, and then the inclination angle adjusting assembly is adjusted to adjust the inclination angles of the Dewar supporting device and the supporting underframe until the image of the Dewar long tail completely falls in the middle of the camera aperture.
The invention has the advantages that:
1. different from the traditional method of directly placing the Dewar in the magnet, the Dewar installation method is characterized in that the adjustable bracket, the translation adjusting assembly and the inclination angle adjusting assembly are arranged between the magnet and the Dewar, the Dewar is supported by the adjustable bracket, the translation and inclination angle adjusting functions are added to the adjustable bracket, and the optical feedback device is adopted for feedback, so that the parallelism between the Dewar and the magnet in the installation process of the Dewar installation can be ensured, and collision contact is avoided.
2. According to the invention, the adjustable bracket is arranged between the magnet and the Dewar, so that the impact contact between the long tail of the Dewar and the magnet in the installation process of the Dewar can be avoided.
Drawings
FIG. 1 is a schematic structural diagram of a water-cooled magnet long-tailed Dewar installation device according to the present invention;
FIG. 2 is a schematic structural diagram of a magnet platform according to an embodiment of the present invention;
FIG. 3 is a front view of an adjustable support according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of an adjustable support according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a water-cooled magnet longtailed dewar installation apparatus in a use state according to an embodiment of the present invention.
The reference numbers illustrate:
1. a magnet platform; 11. mounting grooves; 2. an adjustable support; 21. a support chassis; 22. a dewar support means; 221. a translation plate; 222. a dewar support plate; 223. a connecting rod; 3. a translation adjustment assembly; 4. a tilt angle adjustment assembly; 5. an optical feedback device; 51. a camera; 52. a light source device; 101. a magnet; 102. a Dewar; 103. the long tail of Dewar.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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.
Example one
As shown in fig. 1 and fig. 2, the embodiment discloses a water-cooled magnet long-tail dewar installation device, which includes a magnet 101, a dewar 102 and a dewar long tail 103, and further includes a magnet platform 1, an adjustable bracket 2, a translation adjusting assembly 3, an inclination adjusting assembly 4 and an optical feedback device 5.
The magnet 101, dewar 102 and dewar long tail 103 of the present embodiment are conventional devices.
As shown in fig. 1 and 2, the magnet platform 1 of the present embodiment is a hollow frame structure, and the material of the magnet platform 1 has no magnetism, and the magnet platform 1 is provided with an installation slot 11 therein, and the installation positions of the magnet 101 located at two sides of the installation slot 11 are used for placing and installing the magnet 101.
As shown in fig. 1, 3, and 4, the adjustable support 2 of the present embodiment includes a support chassis 21 and a dewar support 22; dewar support 22 comprises a translation plate 221, a Dewar support plate 222, and a connecting rod 223;
as shown in fig. 4, the supporting chassis 21 of the present embodiment is a plate-shaped structure with irregular shape and hollow inside, but the supporting chassis 21 of the present invention may also be a plate-shaped structure with regular shape, such as a hollow rectangular plate or a hollow circular plate; as shown in fig. 1, and specifically referring to the orientation of fig. 1, the bottom of the support chassis 21 and the top of the magnet platform 1 may be welded or fixed by bolts or screws, and the support chassis 21 and the magnet platform 1 are kept parallel;
in addition, the supporting bottom frame 21 of the present embodiment is made of wood, so that a nut or a screw can be conveniently drilled into the supporting bottom frame 21 under the action of an external force.
As shown in fig. 4, the translating plate 221 of the present embodiment is a hollow rectangular plate structure, as shown in fig. 1, the diameter of the inner hole of the translating plate 221 is smaller than that of the inner hole of the supporting chassis 21, and the translating plate 221 is placed on the top of the supporting chassis 21 and can move in the horizontal direction and the vertical direction relative to the supporting chassis 21; as shown in fig. 1, the dewar supporting plate 222 is disposed in the installation groove 11, and a dewar long tail installation hole is formed in the middle of the dewar supporting plate 222; connecting rod 223 upper end and translation board 221 bottom welded fastening, also can be integrated into one piece, and connecting rod 223 lower extreme and dewar backup pad 222 top welded fastening, also can be integrated into one piece, as shown in fig. 4, the connecting rod 223 of this embodiment is provided with a plurality of, and a plurality of connecting rod 223 passes the hole of supporting chassis 21, and can not contact with the interior pore wall of supporting chassis 21.
As shown in fig. 1, 3 and 4, and with reference to the orientation of fig. 1 in particular, the translational adjustment assemblies 3 of the present embodiment are provided with four sets, and the four sets of translational adjustment assemblies 3 are annularly and equally spaced and fixed on the support chassis 21; as shown in fig. 4, in the translational adjustment assembly 3 of the present embodiment, the screw rod fixing seat 31 is fixed on the support chassis 21, the bottom of the screw rod fixing seat 31 is welded and fixed with the top of the support chassis 21, or may be fixedly connected by a bolt or a screw, and the screw rod fixing seat 31 is provided with a threaded hole; one end of the screw rod 32 is sleeved in the threaded hole and is in threaded connection with the threaded hole, when the screw rod 32 is screwed, the other end of the screw rod 32 can be abutted against the side wall of the Dewar supporting device 22, the screw rods 32 of the four translation adjusting assemblies 3 of the embodiment can be abutted against four side edges of the translation plate 221 respectively, and then the translation plate 221 drives the Dewar supporting plate 222 to move horizontally in four directions.
As shown in fig. 1, fig. 3 and fig. 4, the inclination angle adjusting assembly 4 of this embodiment is provided with a plurality of, correspondingly, a plurality of mounting holes have been seted up on the translation board 221 of this embodiment, the inclination angle adjusting assembly 4 is current adjusting nut, adjusting nut's screw rod middle part cup joints in the mounting hole on translation board 221, adjusting nut's screw rod middle part and mounting hole inside can welded fastening, also can splice fixedly, and adjusting nut's screw rod lower extreme stretches out to translation board 221 below and with support chassis 21 threaded connection, through adjusting the degree of depth that the adjusting nut in each direction bored into support chassis 21, and then adjustable translation board 221 is for the gradient of support chassis 21.
As shown in fig. 1, the optical feedback device 5 of the present embodiment includes a camera 51 and a light source device 52; the camera 51 is arranged at the bottom of the mounting groove 11, and the camera 51 can detect the inside of the mounting groove 11; the light source device 52 is embedded at the bottom of the supporting chassis 21, and the light source device 52 provides light source for the camera 51.
As shown in fig. 5, the invention also discloses a method for using the installation device of the water-cooled magnet long-tailed dewar, which comprises the following steps:
s1, firstly, installing the magnet 101 in the magnet platform 1;
s2, fixing the support chassis 21 on the top of the installation groove 11 of the magnet platform 1, then placing the Dewar supporting device 22 on the support chassis 21, positioning the translation plate 221 on the top of the support chassis 21, allowing the connecting rod 223 and the connecting rod 223 to penetrate through the inner hole of the support chassis 21 and extend into the installation groove 11, and then roughly adjusting the position of the Dewar supporting device 22 to enable the Dewar supporting device 22 to be horizontal to the magnet platform 1;
s3, slowly placing the Dewar 102 into the adjustable bracket 2 by using a suspension device, in the process, turning on the light source device 52, observing the position relation between the long tail of the Dewar and the magnet 101 through the camera 51 until the Dewar 102 completely falls on the Dewar supporting plate 222, and at the moment, extending the Dewar 102 into the installation groove 11 and locating above the camera 51;
s4, by screwing the screw rods 32 of the four sets of translation adjusting components 3, the four screw rods 32 can push the translation plate 221 to move in four directions from four directions, so that the translation plate 221 drives the Dewar 102 to translate horizontally on the supporting underframe 21, then the adjusting nuts of the inclination angle adjusting components 4 are adjusted, and further the inclination angles of the Dewar supporting device 22 and the supporting underframe 21 are adjusted until the image of the Dewar long tail 103 completely falls in the middle of the diaphragm of the camera 51.
Compared with the prior art, the invention has the following advantages: firstly, different from the traditional method of directly placing the Dewar 102 in the magnet 101, the Dewar 102 installation method is characterized in that the adjustable bracket 2, the translation adjusting component 3 and the inclination angle adjusting component 4 are arranged between the magnet 101 and the Dewar 102, the Dewar 102 is supported by the adjustable bracket 2, the functions of translation and inclination angle adjustment are added to the adjustable bracket 2, and then the optical feedback device 5 is adopted for feedback, so that the parallelism between the Dewar 102 and the magnet 101 in the installation process of the Dewar 102 can be ensured, and collision contact is avoided; secondly, the adjustable bracket 2 is arranged between the magnet 101 and the Dewar 102, so that the Dewar long tail 103 can be prevented from colliding and contacting with the magnet 101 in the installation process of the Dewar 102.
Example two
The present embodiment differs from the above embodiments in that: the translation plate 221 of this embodiment is a hollow circular ring-shaped structure inside, and correspondingly, the translation adjusting assembly 3 of this embodiment is provided with a plurality of groups, the plurality of groups of translation adjusting assemblies 3 are fixed on the supporting underframe 21 at equal intervals, and the plurality of groups of translation adjusting assemblies 3 can adjust the horizontal position of the translation plate 221 from each position.
EXAMPLE III
The present embodiment differs from the above embodiments in that: the light source device 52 of the present embodiment is a non-magnetic LED strip.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a long tail dewar installation device of water-cooling magnet, includes magnet, dewar and the long tail of dewar, its characterized in that: the device also comprises a magnet platform, an adjustable bracket, a translation adjusting component, an inclination adjusting component and an optical feedback device; an up-down through mounting groove is formed in the magnet platform;
the adjustable bracket is arranged in the mounting groove; the adjustable support comprises a support underframe and a Dewar supporting device, the support underframe is fixed at the top of the mounting groove, and the Dewar supporting device is arranged on the support underframe;
the horizontal adjusting assemblies are arranged in multiple groups, the multiple groups of horizontal adjusting assemblies are fixed on the supporting underframe at equal intervals in an annular shape, and the multiple groups of horizontal adjusting assemblies are used for adjusting the horizontal positions of the Dewar supporting device from different directions;
one end of the inclination angle adjusting component is fixed with the Dewar supporting device, and the other end of the inclination angle adjusting component is movably connected with the supporting underframe;
the optical feedback device comprises a camera and a light source device; the camera is arranged at the bottom of the mounting groove; the light source device is arranged at the bottom of the supporting bottom frame and provides a light source for the camera.
2. The water-cooled magnet longtailed dewar installation apparatus of claim 1, wherein: the Dewar supporting device comprises a translation plate, a Dewar supporting plate and a connecting rod; the translation plate is arranged on the supporting underframe, and the supporting underframe is hollow; the Dewar supporting plate is arranged in the mounting groove; the connecting rod upper end with translation board fixed connection, the connecting rod lower extreme with dewar backup pad fixed connection.
3. The water-cooled magnet longtailed dewar installation apparatus of claim 2, wherein: the translation plate is of a rectangular plate structure with a hollow interior.
4. The water-cooled magnet longtailed dewar installation apparatus of claim 2, wherein: the middle part of the Dewar supporting plate is provided with a Dewar long tail mounting hole, and the light source device is fixed at the bottom of the Dewar long tail mounting hole.
5. The water-cooled magnet longtailed dewar installation apparatus of claim 2, wherein: the connecting rod is provided with a plurality of.
6. The water-cooled magnet longtailed dewar installation apparatus of claim 5, wherein: the translation adjusting assembly comprises a screw rod fixing seat and a screw rod; the screw rod fixing seat is fixed on the supporting underframe and is provided with a threaded hole; one end of the screw rod is sleeved in the threaded hole, and the other end of the screw rod abuts against the side wall of the Dewar supporting device.
7. The water-cooled magnet longtailed dewar installation apparatus of claim 2, wherein: the inclination angle adjusting component is an adjusting nut, the middle part of a screw rod of the adjusting nut is sleeved on the translation plate, and the lower end of the screw rod of the adjusting nut extends to the lower part of the translation plate and is in threaded connection with the supporting underframe.
8. The water-cooled magnet longtailed dewar installation apparatus of claim 7, wherein: the inclination angle adjusting assembly is provided with a plurality of groups.
9. The water-cooled magnet longtailed dewar installation apparatus of claim 1, wherein: the light source device is a non-magnetic LED lamp strip.
10. A method of using the water-cooled magnet longtailed dewar installation apparatus of claim 1, comprising the steps of:
s1, firstly, mounting the magnet in the magnet platform;
s2, fixing the supporting underframe at the top of the mounting groove of the magnet platform, placing the Dewar supporting device on the supporting underframe, and roughly adjusting the position of the Dewar supporting device to enable the Dewar supporting device to be horizontal to the magnet platform;
s3, slowly placing the Dewar into the adjustable bracket by using the suspension device, in the process, turning on the light source device, observing the position relation between the long tail of the Dewar and the magnet through the camera until the Dewar completely falls on the Dewar supporting device, and at the moment, extending the Dewar into the mounting groove and being positioned above the camera;
s4, the Dewar supporting device drives the Dewar to horizontally translate on the supporting underframe by adjusting the translation adjusting assembly, and then the inclination angle adjusting assembly is adjusted to adjust the inclination angles of the Dewar supporting device and the supporting underframe until the image of the Dewar long tail completely falls in the middle of the camera aperture.
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Citations (5)
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EP0550053A1 (en) * | 1991-12-31 | 1993-07-07 | Air Products And Chemicals, Inc. | Method and apparatus for insulating cryogenic devices |
US20080173090A1 (en) * | 2006-11-23 | 2008-07-24 | Technological Resources Pty. Ltd. | Gravity Gradiometer |
CN101943664A (en) * | 2009-07-08 | 2011-01-12 | 中国科学院半导体研究所 | Spin dependent transport measurement system under strong magnetic field environment and liquid nitrogen temperature |
CN111365572A (en) * | 2018-12-26 | 2020-07-03 | 青岛海信激光显示股份有限公司 | Projection support and projection system |
CN212028970U (en) * | 2020-03-11 | 2020-11-27 | 青岛联合创智科技有限公司 | Camera rotating holder capable of freely adjusting angle |
-
2021
- 2021-02-26 CN CN202110217591.8A patent/CN112975822B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0550053A1 (en) * | 1991-12-31 | 1993-07-07 | Air Products And Chemicals, Inc. | Method and apparatus for insulating cryogenic devices |
US20080173090A1 (en) * | 2006-11-23 | 2008-07-24 | Technological Resources Pty. Ltd. | Gravity Gradiometer |
CN101943664A (en) * | 2009-07-08 | 2011-01-12 | 中国科学院半导体研究所 | Spin dependent transport measurement system under strong magnetic field environment and liquid nitrogen temperature |
CN111365572A (en) * | 2018-12-26 | 2020-07-03 | 青岛海信激光显示股份有限公司 | Projection support and projection system |
CN212028970U (en) * | 2020-03-11 | 2020-11-27 | 青岛联合创智科技有限公司 | Camera rotating holder capable of freely adjusting angle |
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