CN106455284B - High-speed rotary cooler with target piece quick assembly disassembly structure - Google Patents
High-speed rotary cooler with target piece quick assembly disassembly structure Download PDFInfo
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- CN106455284B CN106455284B CN201610798063.5A CN201610798063A CN106455284B CN 106455284 B CN106455284 B CN 106455284B CN 201610798063 A CN201610798063 A CN 201610798063A CN 106455284 B CN106455284 B CN 106455284B
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- rotary
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- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000005096 rolling process Methods 0.000 claims description 8
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 7
- 229910052805 deuterium Inorganic materials 0.000 claims description 7
- 238000010884 ion-beam technique Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 7
- 229910052722 tritium Inorganic materials 0.000 description 6
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H6/00—Targets for producing nuclear reactions
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- High Energy & Nuclear Physics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Particle Accelerators (AREA)
Abstract
The invention belongs to the field of high-speed rotary coolers, and particularly relates to a high-speed rotary cooler with a target piece rapid dismounting structure. The device comprises a shell body and a shell cover; the sleeve-shaped bracket is coaxially sleeved in the cylinder cavity of the outer shell and forms rotary fit with the cylinder bottom of the outer shell; the device also comprises a rotary shaft, wherein the shaft end of the rotary shaft extends along the axis of the target piece to the target surface of the target piece and forms detachable fixedly connected fit with the target surface of the target piece; threaded holes are uniformly distributed at the cylinder opening of the sleeve-shaped bracket, mounting holes are formed in the target surface of the target piece, and fastening screws penetrate through the mounting holes and are in threaded fit with the threaded holes; the shell cover is provided with an operation window, an orifice area of the operation window is positioned on the installation path of at least one fastening screw, and a sealing cover is arranged at the orifice end of the operation window, which is positioned on the outer wall of the shell cover. The invention can effectively improve the efficiency of dismounting and replacing the target, and can maximally reduce the radiation hazard to operators in the workplace of the high-speed rotary cooler.
Description
Technical Field
The invention belongs to the field of high-speed rotary coolers, and particularly relates to a high-speed rotary cooler with a target piece rapid dismounting structure.
Background
The high-speed rotary cooler is applied to the neutron generator, is a key device of the neutron generator, and the performance of the high-speed rotary cooler directly determines the neutron intensity and stability of the neutron generator. When the deuterium ion beam is transmitted to a tritium target sheet in the high-speed rotary cooler after acceleration, and a deuterium-tritium fusion reaction is generated between the deuterium ion beam and tritium nuclei in the target sheet to generate neutrons, the generated neutrons can be applied to specific industries such as neutron cancer treatment and the like. Because tritium atoms on the target of the high speed rotary cooler gradually fail due to fusion reactions, the target must be replaced after the high speed rotary cooler is operated for a period of time. The high-speed rotary cooler works with strong radiation, and how to maximize the efficiency of the disassembly, assembly and replacement of the target piece so as to reduce the stay time of operators on the site as much as possible is a long-standing problem for designers.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a high-speed rotary cooler with a target piece rapid dismounting structure, which is reasonable and simple in structure. The invention can effectively improve the efficiency of dismounting and replacing the target, can maximally reduce the radiation hazard to operators in the workplace of the high-speed rotary cooler, and can obviously improve the safety of the maintenance operation of the target.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a high-speed rotatory cooler with target quick assembly disassembly structure, its characterized in that: the device comprises a cylindrical outer shell and a shell cover, wherein the outer shell cover is used for being detachably matched with a shell opening of the outer shell, and a space formed by enclosing the outer shell cover and the shell wall of the outer shell forms an accommodating space for accommodating a target and a sleeve-shaped bracket; the sleeve-shaped bracket is coaxially sleeved in the cylinder cavity of the outer shell and forms rotary fit with the cylinder bottom of the outer shell, and the cylinder cavity of the sleeve-shaped bracket forms a channel for passing deuterium ion beams; the device also comprises a rotary shaft which is coaxial with the shell cover and forms rotary fit with the shell cover, and the shaft end of the rotary shaft extends along the axis of the target piece to the target surface of the target piece and forms detachable fixedly connected fit with the target surface of the target piece; threaded holes are uniformly distributed around the axis of the target at the cylinder opening of the sleeve-shaped bracket facing the target, mounting holes are correspondingly formed in the target surface of the target, and fastening screws penetrate through the mounting holes and form threaded fit with the threaded holes; the shell cover is provided with an operation window penetrating through the cover body, an orifice area of the operation window is positioned on the installation path of at least one fastening screw, and a sealing cover for opening and closing the operation window at any time is arranged at the orifice end of the operation window positioned on the outer wall of the shell cover.
Positioning counter bores are uniformly distributed along the outer wall of the sleeve-shaped bracket and around the axis of the sleeve-shaped bracket, and positioning through holes coaxial with the positioning counter bores are formed in the outer wall of the outer shell in a penetrating manner; the rotation stop pin passes through the positioning through hole and forms a constraint structure with the positioning counter bore for constraining the rotation of the target piece and the sleeve-shaped bracket.
And the hole wall of the positioning through hole is provided with internal threads, and the rotation stop pin and the positioning through hole form threaded fit.
The operating window is in a fan-shaped hole shape, the axis of the fan-shaped cambered surface of the operating window and the axis of the shell cover are coaxial with each other, and the shape of the cover is in a fan-shaped plate shape consistent with the outline of the operating window; the four corner ends of the sealing cover are provided with rotary holes, the corresponding corner ends of the operating window are provided with threaded fixing holes, and the fixing screws penetrate through the rotary holes and are in threaded fit with the threaded fixing holes.
The operation windows are two and are symmetrically arranged at the cover surface of the housing cover by taking the vertical surface as the symmetrical surface.
A counter bore part is concavely arranged at the target surface of the target piece, which is used for matching with the shaft end of the rotary shaft, a positioning circular ring is coaxially convexly arranged in the hole cavity of the counter bore part, and an annular groove used for clamping and embedding the positioning circular ring is concavely arranged at the shaft end surface of the rotary shaft; and an inner thread is arranged at the inner ring surface of the positioning circular ring, an outer thread is arranged at the inner groove surface of the annular groove matched with the inner thread, and the inner groove surface and the outer groove surface form thread fixedly connected fit.
The hole wall of the counter bore part is provided with a key slot along the axis direction, the outer wall of the shaft end of the rotary shaft is concavely provided with a matched positioning slot, and the spline penetrates into the area formed by the positioning slot and the key slot in a surrounding way, so that the key connection type transmission fit between the rotary shaft and the target piece is formed.
A threaded mounting hole is arranged at the cylinder opening of the outer shell, a matching hole is arranged at the corresponding cover surface of the outer shell cover, and a fixing bolt penetrates through the matching hole and is in threaded fit with the threaded mounting hole; the mounting paths of the fixing bolts and the mounting paths of the fastening screws are parallel to each other, and the mounting paths are parallel to the axis of the outer shell.
The invention has the main advantages that:
1) The invention adopts a unique design concept of 'complete disassembly and zero replacement', on one hand, the sleeve-shaped bracket which is not required to be frequently disassembled and assembled and the shell form an integrated assembly structure, and on the other hand, the target piece which is the object of the disassembly and the assembly is detachably fixed on the shell cover. Such removable fittings include, but are not limited to, threaded fasteners or rivet fastening, even snap-fit, etc. When the device is used, the operation window on the shell cover is utilized to detach the target and the sleeve-shaped bracket at first, then the target and the shell cover are detached integrally and are moved to an external non-radiation or low-radiation environment to realize secondary detachment, and finally, the new target and the shell body are assembled integrally and then are moved into the workplace to be assembled relative to the shell body and the sleeve-shaped shell body finally. Through the scheme, a large amount of disassembly and assembly time is distributed at the operation window or in the disassembly and assembly operation of the target piece and the rotating shaft which are carried out in different places, so that the radiation hazard to operators, which is caused by the fact that the traditional target piece disassembly and assembly operation is directly carried out in the open state of the high-speed rotary cooler, is greatly avoided, and the safety of the target piece maintenance operation and the efficiency of the disassembly and assembly operation can be obviously improved.
2) On the basis of the scheme, the invention adds a rotation stopping structure, which is specifically expressed as follows: the positioning counter bores are circumferentially arranged on the outer wall of the sleeve mounting bracket, so that positioning fit is formed between the positioning counter bores and the rotation stopping pin penetrating through the outer wall of the outer shell, and the rotation stopping function of the sleeve-shaped bracket which performs rotation motion at any time is realized. The realization of above-mentioned rotation stopping function has guaranteed when carrying out dismouting operation to fastening screw through the operation window, and the fastening screw who receives the dismouting at present can be in invariable operating position department all the time, and can not appear fastening screw dismouting inconvenient or even unable dismouting's situation because of sleeve form bracket's random rotation, and then can effectually promote the relative fastening screw's of operating personnel dismouting efficiency. The stop pin and the outer shell body are in threaded fit, so that the action stability of the stop pin and the outer shell body can be effectively guaranteed, and the pin body can be in a stable suspended state and a state of being separated from the positioning counter bore when the stop pin is required to withdraw from the positioning counter bore.
3) The fan-shaped structure of the operation window is characterized in that 2-3 fastening screws can be detached from one window at the same time when the fan-shaped structure is actually used, so that the maximization of the operation range can be effectively ensured, and meanwhile, the disassembly and assembly efficiency can be improved. The sealing cover is fixed with the operation window through the fixing screw, so that when the operation of disassembling and assembling the fastening screw is needed, the operation window can be opened through reserving a unscrewed fixing screw and rotating the sealing cover, and the operation efficiency is extremely high.
4) In practice, the design idea of the invention is to realize the rapid off-site replacement operation of the target by 'complete disassembly and zero replacement'. Therefore, it is important to ensure that the rotatability of the target plate is not affected after the assembly is completed while the target plate is quickly connected with the whole-disassembly operation of the housing cover. The counter bore part is arranged at the target center of the spherical target surface of the target piece, so that the counter bore part is in surface abutting fit with the rotating shaft. Meanwhile, a positioning circular ring with internal threads is arranged in the counter bore part, so that the positioning circular ring can be in threaded fit with an annular groove at the rotary shaft matched with the positioning circular ring. The arrangement of the spline ensures that after the rotary shaft and the target piece are matched, the rotary motion is generated without depending on the screw tightening force between the rotary shaft and the target piece, and the transmission of the moment is ensured by depending on the key connection of the rotary shaft and the target piece, so that the motion reliability and stability of the rotary shaft and the target piece are ensured.
5) The outer shell and the outer shell cover are matched by the fixing bolts, and the dismounting direction of the outer shell is consistent with the dismounting direction of the fastening bolts, so that the purpose of single-side quick dismounting based on the high-speed rotary cooler is realized. In actual operation, after the disassembling operation of the fastening screw at the operation window is performed, the fastening screw is screwed off, so that the separation operation between the outer shell and the outer shell cover can be realized, and at the moment, the outer shell cover, the rotating shaft and the target piece to be replaced are moved to the outside environment with at least radiation or no radiation, and the new operation of disassembling, assembling and replacing the target piece under the high-safety environment can be easily realized. When the new target is reinstalled at the shaft end of the rotating shaft, the fastening operation purpose of the outer shell, the outer shell cover and the target and the sleeve-shaped bracket can be realized by fixing the fastening screw first and then fixing the fastening screw in sequence.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged partial view of section I of FIG. 2;
fig. 4 is a partial enlarged view of a portion II of fig. 2.
The correspondence of the reference numerals and the names of the components of the present invention is shown as follows:
a-air bearing b-rolling bearing c-dry gas seal d-contact mechanical seal
E-stator f-rotor g-nozzle h-connecting flange i-thin wall
10-outer housing 20-housing cover 21-operating window 22-cover 23-fixing screw
30-target 31-positioning circular ring 40-sleeve-shaped bracket 41-positioning counter bore
50-rotating shaft 51-annular groove 60-fastening screw
70-stop pin 80-spline 90-fixing bolt
Detailed Description
For ease of understanding, the following further description of the specific embodiments of the invention will be provided with reference to the accompanying drawings:
the specific structure of the invention is shown in fig. 1-4, and the whole structure is a two-end supporting structure, and mainly comprises an air bearing a, a rolling bearing b, a dry gas seal c, a contact mechanical seal d, a stator e, a rotor f, a rotating cavity (namely a sleeve-shaped bracket 40), a cooler shell (namely a shell body 10), a shell cover 20, a spray head g, a target piece 30, a connecting flange h and the like.
As shown in fig. 1, the power device of the device mainly comprises a stator e and a rotor f in a matching way. The rotor f is coupled directly to the sleeve-like bracket 40, thus ensuring reliability and compactness of the driving structure. The radial support of the device is carried by an air bearing a at the right side of the structure of fig. 2 and a rolling bearing b at the left side of the structure of fig. 2. The air bearing a can meet the requirement of high-speed rotation with a large shaft diameter, and is therefore applied to the rotary fit position of the sleeve-shaped bracket 40 and the outer housing 10. The rolling bearing b is applied to the mating section of the rotating shaft 50 and the housing cover 20 where the shaft diameter is small, typically less than 65mm, so that the rolling bearing b can meet the requirement of 10000 r/mm in rotation speed under the shaft diameter, and the axial force can be borne by the rolling bearing b. A dry gas seal c is arranged at the outer side of the above-mentioned air bearing a, while the seal between the rolling bearing b and the target plate 30 at the rotary shaft 50 is taken over by a contact mechanical seal d. The sleeve-shaped bracket 40 drives the target 30 to rotate together when rotating at a high speed, and the spray head g sprays water on the outer side surface of the target 30, so that the heat exchange times between the water and the target 30 are increased by rotating the target 30 at a high speed, and the heat exchange efficiency is improved. The heat of the target 30 is derived from the deuterium ion beam. The connection flange h is positioned at the rightmost side of the structure shown in fig. 2 and is used for externally connecting a deuterium ion beam pipeline.
With the above structure, as shown in fig. 1, the present apparatus further includes operation windows 21 provided on the housing cover 20, the operation windows 21 being two and symmetrically arranged on both sides of the thin wall i as a neutron outlet. The target 30 and the sleeve-shaped bracket 40 are fastened by fastening screws 60, and the case cover 20 and the case body 10 are fastened by fastening bolts 90. As shown in fig. 2-3, a rotation stop pin 70 is fixedly connected to the outer wall of the outer casing 10 in a threaded manner, and the rotation stop pin 70 is inserted to the outer wall of the sleeve-shaped bracket 40 along the radial direction of the outer casing 10 and forms positioning fit with a positioning counter bore 41 preset in the outer wall of the sleeve-shaped bracket 40. The rotary shaft 50 has a two-stage stepped shaft shape, and the target 30 has a spherical plate-like structure protruding toward the housing cover 20 as a whole. In addition, as shown in fig. 4, a countersink region for matching with the shaft end of the large-diameter section of the rotary shaft 50 is arranged at the shaft center of the target 30, and a positioning circular ring 31 is arranged in the countersink region, so that a clamping screw thread matching is formed between the countersink region and an annular groove 51 at the shaft end surface of the rotary shaft 50. A keyway is also provided in the bore wall of the countersink region to facilitate a keyhole configuration for axial insertion of the spline 80 in combination with a locating groove recessed in the outer wall of the large diameter section of the rotary shaft 50.
Based on the structure, the specific working flow of the invention is as follows:
in operation, the sleeve-shaped carrier 40 is driven by the motor to rotate at a high speed, thereby rotating the target 30. After acceleration, the deuterium ion beam travels along the barrel cavity of the sleeve-shaped bracket 40, is finally transmitted to the tritium target sheet 30, and generates neutrons by deuterium-tritium fusion reaction with tritium nuclei in the target sheet 30.
When the target 30 is detached, the sleeve-like bracket 40 is fixed by the positioning pins so as not to be rotated. The now detachable set screw 23 is detached entirely through the operating window 21 on the housing cover 20. When some of the fixing screws 23 are not removed due to the operation dead angle of the operation window 21, the rotation stop pin 70 is released to rotate the sleeve-shaped bracket 40 by a small extent until the fixing screws 23 are within the operation range of the operation window 21, and the above-mentioned operations of fixing the rotation stop pin 70 and removing the fixing screws 23 are continued. When the fixing screws 23 are completely removed, the fixing bolts 90 for fixing the outer case 10 and the outer case cover 20 are removed. Since the rotation shaft 50 has integrally connected the target 30 and the housing cover 20, the target 30 and the housing cover 20 can be integrally detached. Then, the joint between the rotating shaft 50 and the target 30 is removed, so that the old target 30 can be removed.
After the replacement of the new target 30, the target 30 is reattached to the housing cover 20 by the pivot shaft 50. The fixing bolts 90 are tightened to fix the outer case cover 20 to the outer case 10, and at this time, the rotary shaft 50 and the target 30 are already fixed together, so that the target 30 automatically centers the nozzle of the sleeve-shaped bracket 40. Then, the rotation stopping operation of the rotation stopping pin 70 is performed, and the fixing screws 23 are sequentially fixed to the operation window 21, thereby fastening the target piece 30 to the sleeve-shaped bracket 40. When all the fixing screws 23 are assembled, the stop pin 70 is rotated finally to separate the pin body from the positioning counter bore 41, the target 30 is replaced, and the high-speed rotary cooler can work normally.
Claims (8)
1. A high-speed rotatory cooler with target quick assembly disassembly structure, its characterized in that: the device comprises a cylindrical outer shell (10) and a shell cover (20) which is used for forming detachable fit with a shell opening of the outer shell (10), wherein a space formed by enclosing the shell cover (20) and the wall of the outer shell (10) forms an accommodating space for accommodating a target piece (30) and a sleeve-shaped bracket (40); the sleeve-shaped bracket (40) is coaxially sleeved in the barrel cavity of the outer shell (10) and forms rotary fit with the barrel bottom of the outer shell (10), and the barrel cavity of the sleeve-shaped bracket (40) forms a channel for passing deuterium ion beams; the rotary shaft (50) is coaxial with the shell cover (20) and forms rotary fit with the shell cover, and the shaft end of the rotary shaft (50) extends to the target surface of the target piece (30) along the shaft axis of the target piece (30) and forms detachable fixedly connected fit with the target surface of the target piece (30); threaded holes are uniformly distributed around the axis of the target (30) at the cylinder opening of the sleeve-shaped bracket (40) facing the target (30), mounting holes are correspondingly formed in the target surface of the target (30), and fastening screws (60) penetrate through the mounting holes and are in threaded fit with the threaded holes; an operation window (21) penetrating through the cover body is formed in the housing cover (20), an orifice area of the operation window (21) is located on an installation path of at least one fastening screw (60), and a sealing cover (22) for opening and closing the operation window (21) at any time is arranged at the orifice end of the operation window (21) located on the outer wall of the housing cover (20);
the sleeve-shaped bracket (40) is provided with a small-diameter section which is used for being matched with a small-caliber section at the outer shell (10), and an air bearing (a) is sleeved at the small-diameter section so as to form coaxial rotary matching with the small-caliber section; the rotary shaft (50) is coaxially and rotatably matched with the shell cover (20) in a simple beam mode through the rolling bearing (b); the shaft diameter of the rotary shaft (50) is smaller than the outer diameter of the small-diameter section of the sleeve-shaped bracket (40);
the sleeve-shaped bracket (40) is of a four-section ladder sleeve-shaped structure with gradually reduced diameter, and the small-diameter section is formed by a section of cylinder cavity with the smallest opposite outer diameter; a diameter section adjacent to the small diameter section on the sleeve-shaped bracket (40) is taken as a second diameter section, a rotor (f) is hooped on the second diameter section, and a stator (e) matched with the rotor (f) is arranged at the hole wall of the small diameter section at the position of the outer shell (10); the stator (e) and the rotor (f) form a driving part for driving the sleeve-shaped bracket (40) to rotate.
2. The high-speed rotary cooler with a target quick assembly disassembly structure according to claim 1, wherein: positioning counter bores (41) are uniformly distributed along the outer wall of the sleeve-shaped bracket (40) and around the axis of the sleeve-shaped bracket, and positioning through holes coaxial with the positioning counter bores (41) are formed in the outer wall of the outer shell (10) in a penetrating manner; the stop pin (70) passes through the positioning through hole and forms a constraint structure with the positioning counter bore (41) for constraining the rotation of the target piece (30) and the sleeve-shaped bracket (40).
3. The high-speed rotary cooler with a target quick assembly disassembly structure according to claim 2, wherein: and the hole wall of the positioning through hole is provided with internal threads, and the rotation stop pin (70) and the positioning through hole form threaded fit.
4. A high-speed rotary cooler with a rapid dismounting structure for a target according to claim 1, 2 or 3, characterized in that: the operating window (21) is in a fan-shaped hole shape, the axis of the fan-shaped cambered surface of the operating window is coaxial with the axis of the shell cover (20), and the shape of the sealing cover (22) is in a fan-shaped plate shape consistent with the shape outline of the operating window (21); the four corner ends of the sealing cover (22) are provided with rotary holes, the corresponding corner ends of the operating window (21) are provided with threaded fixing holes, and the fixing screws (23) penetrate through the rotary holes and form threaded fit with the threaded fixing holes.
5. The high-speed rotary cooler with a rapid target assembly and disassembly structure according to claim 4, wherein: the operation windows (21) are arranged at the cover surface of the housing cover (20) symmetrically by taking the vertical plane as the symmetry plane.
6. A high-speed rotary cooler with a rapid dismounting structure for a target according to claim 1, 2 or 3, characterized in that: a counter bore part is concavely arranged at a target surface of the target piece (30) for matching with the shaft end of the rotary shaft (50), a positioning circular ring is coaxially convexly arranged in a hole cavity of the counter bore part, and an annular groove (51) for clamping and embedding the positioning circular ring is concavely arranged at the shaft end surface of the rotary shaft (50); an inner thread is arranged at the inner ring surface of the positioning circular ring, an outer thread is arranged at the inner side groove surface of the annular groove (51) matched with the inner thread, and the inner thread and the outer thread form thread fixedly connected matching.
7. The high-speed rotary cooler with a rapid target assembly and disassembly structure according to claim 6, wherein: the hole wall of the counter bore part is provided with a key slot along the axis direction, the outer wall of the shaft end of the rotary shaft (50) is concavely provided with a matched positioning slot, and a spline (80) penetrates into a region formed by surrounding the positioning slot and the key slot, so that the key connection type transmission fit between the rotary shaft (50) and the target piece (30) is formed.
8. A high-speed rotary cooler with a rapid dismounting structure for a target according to claim 1, 2 or 3, characterized in that: a threaded mounting hole is arranged at the cylinder opening of the outer shell (10), a matching hole is arranged at the corresponding cover surface of the outer shell cover (20), and a fixing bolt (90) penetrates through the matching hole and is in threaded fit with the threaded mounting hole; the mounting path of the fixing bolt (90) and the mounting path of the fastening screw (60) are parallel to each other, and the mounting paths are parallel to the axis of the outer casing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798063.5A CN106455284B (en) | 2016-08-31 | 2016-08-31 | High-speed rotary cooler with target piece quick assembly disassembly structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798063.5A CN106455284B (en) | 2016-08-31 | 2016-08-31 | High-speed rotary cooler with target piece quick assembly disassembly structure |
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| Publication Number | Publication Date |
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| CN106455284A CN106455284A (en) | 2017-02-22 |
| CN106455284B true CN106455284B (en) | 2023-11-14 |
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| CN115134984B (en) * | 2022-08-31 | 2022-11-22 | 合肥中科离子医学技术装备有限公司 | Solid target device |
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| CN203057673U (en) * | 2013-01-27 | 2013-07-10 | 兰州大学 | Rotating target for fusion reaction high-current accelerator neutron source |
| CN104602439A (en) * | 2015-02-05 | 2015-05-06 | 中国科学院合肥物质科学研究院 | Rotation tritium target device cooled by gallium-indium liquid metal |
| CN206118154U (en) * | 2016-08-31 | 2017-04-19 | 合肥华升泵阀股份有限公司 | High -speed rotatory cooler with target quick assembly disassembly structure |
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| GB1328956A (en) * | 1970-01-20 | 1973-09-05 | Commissariat Energie Atomique | Rotary target for electrostatic accelerator which operates as a neutron generator |
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