阅读说明：本技术 分离式超导磁体法兰、超导磁体及回旋管装配方法 (Separated superconducting magnet flange, superconducting magnet and gyrotron assembly method ) 是由 张峰 黄梅 黄崇津 成渝 于 2021-09-06 设计创作，主要内容包括：本发明公开了一种分离式超导磁体法兰、超导磁体及回旋管装配方法,法兰包括外同心调整定位环和内分离式定位环；2片所述内分离式定位环分别通过导向轴与所述外同心调整定位环内侧连接,以保证所述内分离式定位环与所述外同心调整定位环在一个自由度上可调；2片所述内分离式定位环分别通过开合调节螺丝与所述外同心调整定位环螺纹连接,通过调节所述开合调节螺丝使得2片所述内分离式定位环打开和闭合,以实现法兰的内径可调；本发明采用分离式法兰盘,使回旋管与法兰盘之间有足够的缝隙,可提高回旋管安装过程中陶瓷的安全性,并提高安装效率。(The invention discloses a separated superconducting magnet flange, a superconducting magnet and a gyrotron assembly method, wherein the flange comprises an outer concentric adjusting positioning ring and an inner separated positioning ring; 2 pieces of the inner separation type positioning rings are respectively connected with the inner sides of the outer concentric adjusting positioning rings through guide shafts so as to ensure that the inner separation type positioning rings and the outer concentric adjusting positioning rings are adjustable in one degree of freedom; the 2 inner separated positioning rings are respectively in threaded connection with the outer concentric adjusting positioning ring through opening and closing adjusting screws, and the 2 inner separated positioning rings are opened and closed through adjusting the opening and closing adjusting screws so as to realize the adjustable inner diameter of the flange; the invention adopts the separated flange plate, so that a sufficient gap is formed between the gyrotron and the flange plate, the ceramic safety in the mounting process of the gyrotron can be improved, and the mounting efficiency is improved.)

1. A separated superconducting magnet flange is characterized by comprising an outer concentric adjusting positioning ring (1) and an inner separated positioning ring (2);

2 pieces of the inner separation type positioning rings (2) are respectively connected with the inner side of the outer concentric adjusting positioning ring (1) through guide shafts (5) so as to ensure that the inner separation type positioning rings (2) and the outer concentric adjusting positioning ring (1) are adjustable in one degree of freedom;

2 interior disconnect-type holding ring (2) respectively through adjusting screw (6) that opens and shuts with outer concentric adjustment holding ring (1) threaded connection makes 2 through adjusting screw (6) that opens and shuts interior disconnect-type holding ring (2) are opened and are closed to the internal diameter that realizes the flange is adjustable.

2. A split superconducting magnet flange according to claim 1, wherein the side of the inner split positioning ring (2) is provided with a T-shaped groove which is matched with the cylindrical step structure at the root of the opening and closing adjusting screw (6);

the side surface of the outer concentric adjusting positioning ring (1) is provided with an internal thread structure which is matched with the external thread structure in the middle of the opening and closing adjusting screw (6);

through rotating the opening and closing adjusting screw (6), the cylindrical step structure at the root of the opening and closing adjusting screw (6) and the T-shaped groove of the inner separation type positioning ring (2) rotate relatively, so that 2 pieces of opening and closing of the inner separation type positioning ring (2) are realized.

3. A split superconducting magnet flange according to claim 1, wherein the inner split positioning ring (2) forms a sliding fit with the outer concentric adjusting positioning ring (1) with only one degree of freedom via 2 guiding shafts (5);

the guide shaft (5) is positioned through a guide hole arranged on the outer concentric adjusting positioning ring (1).

4. A split superconducting magnet flange according to claim 1, wherein a limit step (11) is arranged inside the outer concentric adjusting and positioning ring (1);

the limiting step (11) is used for ensuring that 2 inner separation type positioning rings (2) are closed on the slidable degree of freedom to form a circular ring which is always coaxial with the outer concentric adjusting positioning ring, and repeated positioning is realized.

5. A split superconducting magnet flange according to claim 1, wherein the outer concentric adjusting positioning ring (1) is uniformly provided with a plurality of ball head adjusting screws (4) along the periphery;

the outer concentric adjusting positioning ring (1) is evenly provided with a plurality of threaded holes (12) along the circumferential direction, the threaded holes (12) are used for arranging a plane control gasket (3), and the outer concentric adjusting positioning ring (1) is matched with a magnet end cover (7) in a plane displacement mode by adjusting the plane control gasket (3).

6. A split superconducting magnet flange according to claim 5, wherein the outer concentric adjusting and positioning ring (1) is provided with 8 ball head adjusting screws (4) and 4 threaded holes (12).

7. A superconducting magnet for a gyrotron is characterized by comprising an upper end cover and a lower end cover (7);

the end cap (7) is provided with a circular sinking groove at the center for installing the flange according to any one of claims 1 to 6, and the flange is embedded below the surface of the end cap (7).

8. A superconducting magnet according to claim 7, wherein a threaded hole is provided in the circular countersink for mounting the outer concentric adjusting positioning ring (1);

loosening the plane control gasket (3), and adjusting the outer concentric adjusting positioning ring (1) through a plurality of ball head adjusting screws (4) uniformly arranged on the side surface of the outer concentric adjusting positioning ring (1) to enable the center of the inner separated positioning ring (2) and the magnetic shaft of the superconducting magnet to achieve the required coaxiality when the inner separated positioning ring (2) is closed;

the outer concentric adjusting positioning ring (1) is fixed on the end cover (7) by fastening the plane control gasket (3), so that the relative position of the outer concentric adjusting positioning ring (1) and the end cover (7) is ensured not to change;

the 2 piece internal separation type positioning rings (2) are respectively installed in a sliding fit mode through the guide shafts (5) and the external concentric adjusting positioning rings (1), and the 2 piece internal separation type positioning rings (2) are opened and closed through adjusting the opening and closing adjusting screws (6).

9. A method of assembling a gyrotron for a superconducting magnet according to any one of claims 7 to 8, comprising:

before the superconducting magnet is assembled with the gyrotron for the first time, the ball head screw (4) needs to be adjusted to enable the center of the inner separated positioning ring (2) and the magnetic axis of the superconducting magnet to achieve the required coaxiality when the inner separated positioning ring (2) is closed;

during installation, the opening and closing adjusting screws (6) are adjusted to open 2 pieces of the inner separation type positioning rings (2), and at the moment, the inner diameter of the flange is larger, so that the flange is stably and quickly installed into the gyrotron;

adjusting the opening and closing adjusting screws (6) to close the 2 inner separating type positioning rings (2), and matching the inner diameter of the flange with the outer diameter of the gyrotron to realize the installation of the gyrotron;

when the pipe is disassembled, the opening and closing adjusting screws (6) are adjusted again, so that 2 pieces of the inner separation type positioning rings (2) are opened, and the gyrotron can be disassembled quickly.

Technical Field

The invention belongs to the technical field of high-power microwave equipment, and particularly relates to a separated superconducting magnet flange, a superconducting magnet and a gyrotron assembly method.

Background

The gyrotron is used as a high-frequency high-power microwave source, has extremely high requirements on the configuration and concentricity of a magnetic field, and generally requires that the concentricity of a gyrotron cavity and a magnetic axis of a magnet is better than 0.1 mm. At present, a magnetic field required by a gyrotron is generally provided by a superconducting magnet, and adjustable flanges are arranged at room temperature holes on the upper end surface and the lower end surface of the superconducting magnet, so that the deviation between a magnetic axis of the superconducting magnet and the central lines of the upper flange and the lower flange is less than 0.1 mm. The cavity of the convolute duct is tightly matched with the upper flange and the lower flange, and the concentricity of the convolute duct and the magnet can be ensured to be better than 0.1mm under the condition that the deviation between the upper flange and the lower flange and the magnetic axis meets the requirement. Because the gyrotron is tightly matched with the upper flange and the lower flange, a gap is very small, and the flange plates are in a full-circle ring shape and cannot be separated, the gyrotron needs to be arranged and taken out with extreme care, and is matched by multiple persons, otherwise, the ceramics on the gyrotron are easily damaged, and the situation of sparking can easily occur when the ceramics are subjected to high pressure after being damaged.

Disclosure of Invention

In order to solve the problem that the existing gyrotron is easy to damage in the dismounting process and low in safety, the invention provides the separated superconducting magnet flange.

The invention is realized by the following technical scheme:

a separated superconducting magnet flange comprises an outer concentric adjusting positioning ring and an inner separated positioning ring;

2 pieces of the inner separation type positioning rings are respectively connected with the inner sides of the outer concentric adjusting positioning rings through guide shafts so as to ensure that the inner separation type positioning rings and the outer concentric adjusting positioning rings are adjustable in one degree of freedom;

2 the internal separation type positioning rings are respectively in threaded connection with the external concentric adjusting positioning rings through opening and closing adjusting screws, and the opening and closing adjusting screws are adjusted to enable the internal separation type positioning rings to be opened and closed by 2 pieces so as to realize the adjustable inner diameter of the flange.

The flange structure of the invention adopts the structure that the inner ring and the outer ring are independent, and the inner ring adopts a split structure, thereby realizing the adjustability (changeability) of the inner diameter of the flange.

Preferably, the side surface of the internal separation type positioning ring is provided with a T-shaped groove which is matched with the cylindrical step structure at the root part of the opening and closing adjusting screw;

the side surface of the outer concentric adjusting positioning ring is provided with an internal thread structure which is matched with the external thread structure in the middle of the opening and closing adjusting screw;

the cylindrical step structure at the root part of the opening and closing adjusting screw and the T-shaped groove of the inner separation type positioning ring rotate relatively by rotating the opening and closing adjusting screw, so that the opening and closing of the 2 inner separation type positioning rings are realized.

Preferably, the inner separation type positioning ring of the invention forms a sliding fit with only one degree of freedom with the outer concentric adjusting positioning ring through 2 guide shafts;

the guide shaft is positioned through a guide hole arranged on the outer concentric adjusting positioning ring.

Preferably, the inner side of the outer concentric adjusting and positioning ring is provided with a limiting step;

the limiting step is used for ensuring that 2 inner separation type positioning rings are closed on the slidable freedom degree to form a circular ring which is always coaxial with the outer concentric adjusting positioning ring, and repeated positioning is realized.

Preferably, a plurality of ball head adjusting screws are uniformly arranged on the outer concentric adjusting positioning ring along the periphery;

the outer concentric adjusting positioning ring is evenly provided with a plurality of threaded holes along the circumferential direction, the threaded holes are used for arranging plane control gaskets, and the plane displacement matching between the outer concentric adjusting positioning ring and the magnet end cover is realized by adjusting the plane control gaskets. The invention realizes multi-direction adjustment of coaxiality by arranging a plurality of ball head adjusting screws.

Preferably, the outer concentric adjusting positioning ring of the invention is provided with 8 ball head adjusting screws and 4 threaded holes.

In a second aspect, the invention provides a superconducting magnet for a cyclotron tube, which comprises an upper end cover and a lower end cover;

the circular sinking groove is formed in the center of the end cover and used for installing the flange, and the flange is embedded below the surface of the end cover.

Preferably, a threaded hole is formed in the circular sinking groove and used for mounting the outer concentric adjusting and positioning ring;

loosening the plane control gasket, and adjusting the outer concentric adjusting positioning ring through a plurality of ball head adjusting screws uniformly arranged on the side surface of the outer concentric adjusting positioning ring so that the center of the inner separated positioning ring and the magnetic shaft of the superconducting magnet reach the required coaxiality when the inner separated positioning ring is closed;

the outer concentric adjusting positioning ring is fixed on the end cover by fastening the plane control gasket, so that the relative position of the outer concentric adjusting positioning ring and the end cover is ensured not to change;

the 2 piece internal separation type positioning rings are respectively installed in a sliding fit mode through the guide shaft and the external concentric adjusting positioning ring, and the 2 piece internal separation type positioning rings are opened and closed through adjusting the opening and closing adjusting screws.

In a third aspect, the present invention provides a method for assembling a gyrotron of a superconducting magnet according to the present invention, including:

before the superconducting magnet is assembled with the gyrotron for the first time, the ball head screw needs to be adjusted to enable the center of the inner separated positioning ring and the magnetic axis of the superconducting magnet to achieve the required coaxiality when the inner separated positioning ring is closed;

during installation, the opening and closing adjusting screws are adjusted to open 2 pieces of the inner separation type positioning rings, and the inner diameter of the flange is larger, so that the flange can be stably and quickly installed into the gyrotron;

adjusting the opening and closing adjusting screws to close the 2 inner separating type positioning rings, and matching the inner diameter of the flange with the outer diameter of the gyrotron to realize the installation of the gyrotron;

when the pipe is disassembled, the opening and closing adjusting screws are adjusted again, so that 2 pieces of the inner separating type positioning rings are opened, and the gyrotron can be rapidly disassembled.

The invention has the following advantages and beneficial effects:

the flange structure provided by the invention can divide the flange plate into two parts in the installation process, so that an enough gap is formed between the gyrotron and the flange plate under the condition of ensuring that the coaxiality is not changed, the safety of ceramics in the installation process of the gyrotron can be improved, and the installation efficiency is improved.

The flange structure provided by the invention is a repeated positioning flange with a variable inner diameter, the inner diameter of the flange structure is split, an inner independent adjusting ring and an outer independent adjusting ring are assembled together in a simple and effective mode, the outer ring can independently adjust the coaxiality and is stable and reliable after being adjusted and fixed at one time, the inner ring and the outer ring are in sliding fit with only one degree of freedom through a guide shaft, and the outer ring is provided with a limiting step, so that the position degree is unchanged in the process of adjusting the inner ring, repeated positioning adjustment is not needed, the space utilization rate is high, and the flange structure is convenient and reliable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of a flange outer ring assembly of the present invention.

FIG. 2 is a schematic view of a flange inner ring assembly of the present invention.

FIG. 3 is a schematic view of the flange inner diameter closure of the present invention.

Fig. 4 is a schematic view of the flange inner diameter opening of the present invention.

Fig. 5 is a top view of the flange of the present invention.

Fig. 6 is a cross-sectional view of a flange of the present invention.

Fig. 7 is a top view of the flange of the present invention after assembly.

Fig. 8 is a sectional view of the flange of the present invention after assembly.

FIG. 9 is a rear isometric view of the flange of the present invention assembled.

Reference numbers and corresponding part names in the drawings:

1-outer concentric adjusting positioning ring, 2-inner separated positioning ring, 3-plane control gasket, 4-ball head adjusting screw, 5-guide shaft, 6-opening and closing adjusting screw and 7-end cover.

Detailed Description

Hereinafter, the term "comprising" or "may include" used in various embodiments of the present invention indicates the presence of the invented function, operation or element, and does not limit the addition of one or more functions, operations or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprising," "having," and their derivatives, are intended to be only representative of the particular features, integers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the presence of, or adding to one or more other features, integers, steps, operations, elements, components, or combinations of the foregoing.

In various embodiments of the invention, the expression "or" at least one of a or/and B "includes any or all combinations of the words listed simultaneously. For example, the expression "a or B" or "at least one of a or/and B" may include a, may include B, or may include both a and B.

Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.

It should be noted that: if it is described that one constituent element is "connected" to another constituent element, the first constituent element may be directly connected to the second constituent element, and a third constituent element may be "connected" between the first constituent element and the second constituent element. In contrast, when one constituent element is "directly connected" to another constituent element, it is understood that there is no third constituent element between the first constituent element and the second constituent element.

The terminology used in the various embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the invention. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not to be construed as limiting the present invention.

Examples

The existing concentric adjusting flange is complex in structure, low in space utilization rate and unadjustable in flange inner diameter, ceramic is arranged on the surface of the flange, a convoluted pipe needs to be repeatedly detached, the condition that the convoluted pipe cavity is blocked, damaged and damaged is often extremely easily caused in the using process, the equipment is extremely unfriendly to use, and a large amount of manpower, material resources and time cost are wasted. Therefore this embodiment provides a but inside diameter variable and repeatedly location's disconnect-type superconducting magnet flange, this flange adopts inside and outside independent adjusting ring, and the inner ring adopts split type structure, through with inside and outside independent adjusting ring assembly together, the outer loop can independently adjust the axiality and once adjust fixed back reliable and stable, the sliding fit that the inner ring only has a degree of freedom through guiding axle and outer loop production, set up spacing step on the outer loop moreover and make and adjust the inner ring in-process position degree unchangeable, do not need the repeated location to adjust, convenient and reliable.

As shown in particular in fig. 1-4, the flange of the present embodiment includes an outer concentric adjustable retaining ring 1 and an inner split retaining ring 2. The outer concentric adjusting positioning ring 1 of the present embodiment is a circular ring structure, the inner separated positioning ring 2 is a semicircular ring structure, and 2 inner separated positioning rings 2 can be closed to form a circular ring structure.

Wherein, the inner separated positioning ring 2 forms a sliding fit with only one degree of freedom with the outer concentric adjusting positioning ring 1 through the guide shaft 5 (in this embodiment, 2 guide shafts 5 are adopted); in the embodiment, 2 internal separation type positioning rings 2 are adopted, and the 2 internal separation type positioning rings 2 form sliding fit with only one degree of freedom with an external concentric adjusting positioning ring 1 through 2 guide shafts 5 respectively. The guide shaft 5 of the embodiment is installed and fixed through the guide hole on the outer concentric adjusting positioning ring 1, and the guide precision is ensured.

The 2-piece internal separation type positioning ring 2 is in threaded connection with the external concentric adjusting positioning ring 1 through an opening and closing adjusting screw 6 respectively, and the internal separation type positioning ring 2 and the external concentric adjusting positioning ring 1 generate relative displacement with one degree of freedom by rotating the opening and closing adjusting screw 6.

The side surface of the inner separated type positioning ring 2 is provided with a T-shaped groove which is matched with a cylindrical step structure at the root part of the opening and closing adjusting screw 6, the opening and closing adjusting screw 6 is matched and connected with an internal thread structure arranged at the side surface of the outer concentric adjusting positioning ring 1 through a middle external thread structure, and the cylindrical step structure at the root part of the opening and closing adjusting screw 6 and the T-shaped groove arranged at the side surface of the inner separated type positioning ring 2 generate relative rotation (namely, the inner ring and the outer ring can rotate relatively but cannot move relatively, so that the inner ring and the outer ring can move relatively in only one degree of freedom) through rotating the opening and closing adjusting screw 6, thereby realizing the opening and closing of the inner separated type positioning ring 2 of the 2-piece chip; the inner diameter is closed as shown in fig. 3 and 4, and is open as shown in fig. 5.

The outer concentric adjustment holding ring 1 inboard is provided with spacing step 11 (this embodiment symmetry sets up 2 spacing steps), guarantees that interior disconnect-type holding ring 2 is closed on the slidable degree of freedom and constitutes the ring, realizes repeated location (through spacing cooperation between outer concentric adjustment holding ring 1 and the interior disconnect-type holding ring 2 promptly, when interior disconnect-type holding ring is closed, keeps the ring and the outer concentric adjustment holding ring coaxial that closed constitution all the time, realizes the coaxial repeatedly location).

A plurality of ball head adjusting screws 4 are uniformly arranged on the outer concentric adjusting positioning ring 1 along the periphery, preferably 8 in the embodiment, a plurality of threaded holes 12 are uniformly arranged on the outer concentric adjusting positioning ring 1 along the circumferential direction, and are used for adjusting the plane control gasket 3 to realize plane displacement matching or fixing of the outer concentric adjusting positioning ring 1 and the end cover 7, preferably 4 in the embodiment; in the embodiment, the coaxiality of the outer concentric adjusting positioning ring 1 can be adjusted in multiple angles by loosening the plane control gasket 3 and adjusting the ball head adjusting screw 4; the outer concentric adjusting positioning ring 1 is fixed on the end cap 7 by fastening the plane control washer 3.

The flange of the embodiment is embedded below the surface of the upper end cover 7 and the lower end cover 7 of the gyrotron superconducting magnet, so that the space utilization rate is high, the inner diameter is adjustable, the use is convenient, and the fast disassembly and assembly of the gyrotron can be realized, as shown in fig. 6-7.

As shown in fig. 8-9, the superconducting magnet includes an upper end cover 7 and a lower end cover 7 of the gyrotron superconducting magnet, a room temperature tube and other structures are installed in the center of the end cover 7, a circular sinking groove is formed in the center of the end cover 7, an outer concentric adjusting positioning ring 1 is installed in the groove, and the outer concentric adjusting positioning ring 1 is embedded below the surface of the end cover without affecting the use height of the magnet; adjusting the outer concentric adjusting positioning ring 1 to the required coaxiality through a plurality of ball head adjusting screws 4 uniformly arranged on the side surface of the outer concentric adjusting positioning ring 1; the outer concentric adjusting positioning ring 1 is pressed on the end cover 7 through the plane control gasket 3, and the outer concentric adjusting positioning ring 1 can be effectively controlled to be attached to the end cover 7 and only generates plane sliding during adjustment.

The 2 piece internal separation type positioning rings 2 are respectively installed with the external concentric adjusting positioning ring 1 in a sliding fit mode through 2 guide shafts 5, and the 2 piece internal separation type positioning rings 2 are opened and closed through adjusting opening and closing adjusting screws 6.

The assembly principle of the convolute duct of this embodiment is:

before the superconducting magnet is assembled with the gyrotron for the first time, the center of the flange and the magnetic axis of the superconducting magnet need to be adjusted to reach the required coaxiality (namely, the center of the inner separated positioning ring 2 and the magnetic axis of the superconducting magnet reach the required coaxiality when the inner separated positioning ring 2 is closed); when the gyrotron is installed, the opening and closing adjusting screws 6 are adjusted to open the inner ring, and at the moment, the inner diameter of the flange is larger (namely the inner diameter of the flange is larger than the outer diameter of the gyrotron, and a larger gap exists between the flange and the gyrotron), so that the gyrotron is stably and quickly installed; then, the inner ring is closed by adjusting the opening and closing adjusting screws 6, and the inner diameter of the flange is just matched with the outer diameter of the gyrotron, so that the precision is ensured. When the gyrotron is disassembled, the inner ring is opened, and simultaneously, due to the repeated positioning function, the coaxiality does not need to be adjusted again when the gyrotron is assembled again, and the installation efficiency is improved.

The simple structure of this embodiment is reliable, and the size is compact, and interior positioning ring separation realizes that the cooperation aperture is variable, makes things convenient for dismouting gyrotron, can not damage gyrotron surface, and outer holding ring is fixed motionless on the end cover simultaneously, can realize after the adjustment once that effectual repeated location need not the secondary and adjust, improves the installation effectiveness.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.