CN107896416A - A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism and its working method - Google Patents
A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism and its working method Download PDFInfo
- Publication number
- CN107896416A CN107896416A CN201711328672.5A CN201711328672A CN107896416A CN 107896416 A CN107896416 A CN 107896416A CN 201711328672 A CN201711328672 A CN 201711328672A CN 107896416 A CN107896416 A CN 107896416A
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- perturbation rod
- drive mechanism
- perturbation
- resonant cavity
- driven pulley
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- 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
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/14—Vacuum chambers
- H05H7/18—Cavities; Resonators
- H05H7/20—Cavities; Resonators with superconductive walls
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- 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
- H05H13/00—Magnetic resonance accelerators; Cyclotrons
- H05H13/005—Cyclotrons
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- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Particle Accelerators (AREA)
Abstract
The present invention discloses a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism and its working method, the mechanism includes frame, synchronization transmission structure, perturbation rod adjustment structure and position limiting structure, synchronization transmission structure and perturbation rod adjustment structure are installed in the frame, synchronization transmission structure driving perturbation rod adjustment structure moves up and down, the moving direction of the perturbation rod adjustment structure of frame limitation simultaneously, position limiting structure is arranged in perturbation rod adjustment structure, to limit the moving range of perturbation rod adjustment structure.The present invention is compact-sized, reduces driving structure and is taken up space, while is moved up and down by roller bearing screw mandrel to drive with perturbation rod, speed control is more accurate, and the moving direction of perturbation rod is limited by line slideway, makes drive mechanism operation more stable, dependable performance, it is simple in construction, it is easy to repair.
Description
Technical field
The invention belongs to cyclotron technical field, specifically, being related to a kind of superconducting cyclotron resonant cavity perturbation
Rod drive mechanism and its working method.
Background technology
Cyclotron is widely used in biological effects of heavy ions, heavy-ion cancer therapy, material science and space flight device
The research fields such as single particle effect.
Radio frequency system is the important component of superconducting cyclotron project, and wherein high-frequency resonant cavity is in radio frequency system
In play vital effect, particle moved in cyclotron needed for energy be to be provided by high-frequency resonant cavity.Work as particle
By cavity accelerating gap when, because the border of high-frequency resonant cavity two has an electrical potential difference, solid particless can obtain energy so as to be added
Speed.But when power source is to cavity feed-in power, the surface of resonator can produce local deformation because of heat waste, cause humorous
Vibration frequency is offset, and in order to carry out micro adjustment to resonator frequency, can be used and be arrived perturbation rod, in order to realize perturbation
Rod moves up and down, and the invention provides following technical scheme.
The content of the invention
It is an object of the invention to provide a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism and its work side
Formula.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism, including frame, synchronization transmission structure, perturbation rod are adjusted
Nodule structure and position limiting structure, synchronization transmission structure and perturbation rod adjustment structure are provided with the frame, and synchronization transmission structure drives
Dynamic perturbation rod adjustment structure makees stretching motion, and position limiting structure is arranged in perturbation rod adjustment structure；
The frame includes mounting disc, line slideway and fixed flange, and the mounting disc passes through three with fixed flange
Root line slideway is connected, and potentiometer is provided with mounting disc；
The synchronization transmission structure includes motor, driving wheel, driven pulley, regulation tensioning wheel, bi-directional synchronization band, roller bearing silk
Bar, the motor are mounted in the one side of mounting disc, and driving wheel, driven pulley and tune are provided with the another side of mounting disc
Save tensioning wheel, the driving wheel and motor connection, driving wheel drive three driven pulley synchronous axial systems by bi-directional synchronization band, three
Driven pulley connects one end of three roller bearing screw mandrels respectively, and the other end of roller bearing screw mandrel is arranged on fixed flange by bearing；
The perturbation rod adjustment structure includes rotary flange disk, nut and perturbation rod, and one end of perturbation rod is pacified by bolt
On rotary flange disk, the other end of perturbation rod passes through fixed flange；
Guide rail through hole and nut through hole are provided with the rotary flange disk, nut, guide rail through hole are installed in nut through hole
In pass through line slideway, roller bearing screw mandrel coordinates with nut to be installed；
The position limiting structure includes limit switch, upper limit position block and lower position block, and the limit switch is arranged on Mobile Method
On blue disk, upper limit position block is arranged on line slideway with lower position block.
Further, the mounting disc is parallel to each other with plane residing for fixed flange.
Further, the driving wheel and driven pulley are two-way gear.
Further, three driven pulleys distribution triangular in shape in mounting disc, the driving wheel be arranged on three from
Formed by driving wheel in delta-shaped region.
Further, the upper limit position block is installed on the top of rotary flange disk, and the lower position block is installed on Mobile Method
The lower section of blue disk.
Further, the limit switch uses mechanical limit switch.
Further, the perturbation rod passes through outer conductor, and drive mechanism is connected by outer conductor with resonator, passes through motor
Communicated to connect with potentiometer and tuning control system.
A kind of working method of superconducting cyclotron resonant cavity perturbation rod drive mechanism, comprises the following steps, motor drives
Dynamic driving wheel rotates, and driving wheel drives driven pulley by bi-directional synchronization band, and driven pulley drives roller bearing screw mandrel, roller bearing screw mandrel by with
The cooperation driving rotary flange disk of nut is moved up and down, and rotary flange disk is limited by limit switch, upper limit position block and lower position block
System makees stretching motion in the range of safety movement.
Beneficial effects of the present invention：The present invention is compact-sized, reduces driving structure and is taken up space, by roller bearing screw mandrel and
Line slideway drives and guided perturbation rod to move up and down, and speed control is more accurate, and the movement of perturbation rod is more stable, performance
Reliably, it is simple in construction, it is easy to repair.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial structural diagram of the present invention；
Fig. 3 is the assembling position and workflow schematic diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism, including frame, synchronization transmission structure, perturbation rod are adjusted
Nodule structure and position limiting structure, synchronization transmission structure and perturbation rod adjustment structure are provided with the frame, and synchronization transmission structure drives
Dynamic perturbation rod adjustment structure makees stretching motion, and position limiting structure is arranged in perturbation rod adjustment structure.
As shown in figure 1, the frame includes mounting disc 2, line slideway 5 and fixed flange 8, the mounting disc 2 is with consolidating
Determine ring flange 8 to connect by three line slideways 5, the both ends of three line slideways 5 are bolted on mounting disc 2 with fixing
On ring flange 8, mounting disc 2 is parallel to each other with plane residing for fixed flange 8, and potentiometer 21, potentiometer are provided with mounting disc 2
The starting point that 21 record motors 1 rotate, original set-point is given for change after resonator travels frequently over the frequency modulation of perturbation rod 10.
As shown in Figure 1 and Figure 2, the synchronization transmission structure includes motor 1, driving wheel 3, driven pulley 11, regulation tensioning wheel
13rd, bi-directional synchronization band 12, roller bearing screw mandrel 4, the motor 1 are mounted in the one side opposite with perturbation rod 10 of mounting disc 2, peace
Driving wheel 3, driven pulley 11 and regulation tensioning wheel 13, wherein driving wheel 3 and driven pulley 11 are installed equal on the another side of sabot 2
For two-way gear, the driving wheel 3 is connected with motor 1, as shown in figure 3, three driven pulleys 11 are triangular in shape point in mounting disc 2
Cloth, driving wheel 3 are arranged on formed by three driven pulleys 11 in delta-shaped region, and driving wheel 3 drives three by bi-directional synchronization band 12
The individual synchronous axial system of driven pulley 11, reach the requirement of small space eccentric gearing, be also equipped with adjusting tensioning wheel 13 in mounting disc 2, use
To adjust the tensioning degree of bi-directional synchronization band 12, three driven pulleys 11 connect one end of three roller bearing screw mandrels 4, roller bearing screw mandrel respectively
4 other end is arranged on fixed flange 8 by bearing.
The perturbation rod adjustment structure includes rotary flange disk 7, nut 71 and perturbation rod 10, and one end of perturbation rod 10 passes through
Bolt is arranged on rotary flange disk 7, and the other end of perturbation rod passes through fixed flange 8；
Guide rail through hole and nut through hole are provided with the rotary flange disk 7, nut 71 is installed in nut through hole, is installed
When, line slideway 5 passes through guide rail through hole, the lateral shift of limitation rotary flange disk 7, makes the operation of perturbation rod adjustment structure more accurate
Really, roller bearing screw mandrel 4 passes through nut 71, drives perturbation rod adjustment structure to move up and down by the rotation of roller bearing screw mandrel 4.
The position limiting structure includes limit switch 6, upper limit position block 61 and lower position block 62, the limit switch 6 and is arranged on
On rotary flange disk 7, upper limit position block 61 is arranged on line slideway 5 with lower position block 62, and two limited blocks are respectively at movement
Above and below ring flange 7, limitation perturbation rod adjustment structure moves in the scope of safety, and limit switch 6 uses machine
Tool formula limit switch, avoid electric signal loss or distortion under complex electromagnetic environment.
A kind of working method of superconducting cyclotron resonant cavity perturbation rod drive mechanism, comprises the following steps, motor drives
Dynamic driving wheel rotates, and driving wheel drives driven pulley by bi-directional synchronization band, and driven pulley drives roller bearing screw mandrel, roller bearing screw mandrel by with
The cooperation driving rotary flange disk of nut is moved up and down, and rotary flange disk is limited by limit switch, upper limit position block and lower position block
System makees stretching motion in the range of safety movement.
As shown in Figure 1, Figure 3, a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism of the present invention passes through
Outer conductor 9 is connected with resonator, is communicated to connect by motor 1 and potentiometer 21 and tuning control system, during work, the tuning
Control system collects phase data by being arranged on the probe that resonator is presented in mouth section resonant cavity, and according to tuning demand control
Synchronization transmission structure work processed, match suitable speed reducing ratio driving perturbation rod 10 and move up and down, resonator frequency is entered with reaching
The purpose of the micro adjustment of row.
The present invention is compact-sized, reduces driving structure and is taken up space, is driven by roller bearing screw mandrel 4 with line slideway 5
Moved up and down with guiding perturbation rod 10, speed control is more accurate, and the movement of perturbation rod 10 is more stable, dependable performance, structure
Simply, it is easy to repair.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
Above content is only to structure example of the present invention and explanation, affiliated those skilled in the art couple
Described specific embodiment is made various modifications or supplement or substituted using similar mode, without departing from invention
Structure surmounts scope defined in the claims, all should belong to protection scope of the present invention.
Claims (8)
1. a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism, it is characterised in that including frame, Synchronous Transmission knot
Structure, perturbation rod adjustment structure and position limiting structure, synchronization transmission structure and perturbation rod adjustment structure are installed in the frame, it is synchronous
Drive mechanism driving perturbation rod adjustment structure makees stretching motion, and position limiting structure is arranged in perturbation rod adjustment structure；
The frame includes mounting disc (2), line slideway (5) and fixed flange (8), the mounting disc (2) and mounting flange
Disk (8) is connected by three line slideways (5), and potentiometer (21) is provided with mounting disc (2)；
The synchronization transmission structure includes motor (1), driving wheel (3), driven pulley (11), regulation tensioning wheel (13), bi-directional synchronization
Band (12), roller bearing screw mandrel (4), the motor (1) is mounted in the one side of mounting disc (2), on the another side of mounting disc (2)
Driving wheel (3), driven pulley (11) and regulation tensioning wheel (13), the driving wheel (3) are installed to be connected with motor (1), actively
Take turns (3) and three driven pulley (11) synchronous axial systems are driven by bi-directional synchronization band (12), three driven pulleys (11) connect three respectively
One end of roller bearing screw mandrel (4), the other end of roller bearing screw mandrel (4) are arranged on fixed flange (8) by bearing；
The perturbation rod adjustment structure includes rotary flange disk (7), nut (71) and perturbation rod (10), one end of perturbation rod (10)
It is arranged on by bolt on rotary flange disk (7), the other end of perturbation rod (10) passes through fixed flange (8)；
Guide rail through hole and nut through hole are provided with the rotary flange disk (7), nut (71) is installed, guide rail leads in nut through hole
Line slideway (5) is passed through in hole, roller bearing screw mandrel (4) coordinates with nut (71) to be installed；
The position limiting structure includes limit switch (6), upper limit position block (61) and lower position block (62), limit switch (6) peace
On rotary flange disk (7), upper limit position block (61) is arranged on line slideway (5) with lower position block (62).
A kind of 2. superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, it is characterised in that institute
Mounting disc (2) is stated to be parallel to each other with plane residing for fixed flange (8).
A kind of 3. superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, it is characterised in that institute
It is two-way gear that driving wheel (3), which is stated, with driven pulley (11).
4. a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, it is characterised in that three
The individual driven pulley (11) distribution triangular in shape in mounting disc (2), the driving wheel (3) are arranged on three driven pulley (11) institutes
Into delta-shaped region in.
A kind of 5. superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, it is characterised in that institute
The top that upper limit position block (61) is installed on rotary flange disk (7) is stated, the lower position block (62) is installed on rotary flange disk (7)
Lower section.
A kind of 6. superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, it is characterised in that institute
State limit switch (6) and use mechanical limit switch.
A kind of 7. superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, it is characterised in that institute
State perturbation rod (10) and pass through outer conductor (9), drive mechanism is connected by outer conductor (9) with resonator, passes through motor (1) and current potential
Device (21) communicates to connect with tuning control system.
8. a kind of working method of superconducting cyclotron resonant cavity perturbation rod drive mechanism, it is characterised in that including following step
Suddenly：Motor (1) driving driving wheel (3) rotates, and driving wheel (3) drives driven pulley (11), driven pulley by bi-directional synchronization band (12)
(11) roller bearing screw mandrel (4) is driven, roller bearing screw mandrel (4) drives rotary flange disk (7) to move up and down by the cooperation with nut (71),
Rotary flange disk (7) is limited in the range of safety movement by limit switch (6), upper limit position block (61) with lower position block (62) to be made
Stretching motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328672.5A CN107896416A (en) | 2017-12-13 | 2017-12-13 | A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism and its working method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328672.5A CN107896416A (en) | 2017-12-13 | 2017-12-13 | A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism and its working method |
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| Publication Number | Publication Date |
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| CN107896416A true CN107896416A (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711328672.5A Pending CN107896416A (en) | 2017-12-13 | 2017-12-13 | A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism and its working method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109219227A (en) * | 2018-11-01 | 2019-01-15 | 中国科学院近代物理研究所 | Tuner and Superconducting cavity LINAC with it |
| CN109362171A (en) * | 2018-11-14 | 2019-02-19 | 中国原子能科学研究院 | A kind of resonant cavity frequency automatic tuning apparatus |
| CN109936908A (en) * | 2019-02-02 | 2019-06-25 | 中国科学院近代物理研究所 | A kind of mechanical structure adjusted for the superconduction frequency cavity degree of coupling under low temperature |
| CN113437458A (en) * | 2021-05-06 | 2021-09-24 | 武汉凡谷电子技术股份有限公司 | Filter for realizing frequency modulation by synchronous belt transmission structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109219227A (en) * | 2018-11-01 | 2019-01-15 | 中国科学院近代物理研究所 | Tuner and Superconducting cavity LINAC with it |
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| CN113437458A (en) * | 2021-05-06 | 2021-09-24 | 武汉凡谷电子技术股份有限公司 | Filter for realizing frequency modulation by synchronous belt transmission structure |
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