CN207665268U - A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism - Google Patents
A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism Download PDFInfo
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- CN207665268U CN207665268U CN201721734357.8U CN201721734357U CN207665268U CN 207665268 U CN207665268 U CN 207665268U CN 201721734357 U CN201721734357 U CN 201721734357U CN 207665268 U CN207665268 U CN 207665268U
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- drive mechanism
- rod drive
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Abstract
The utility model discloses a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism, the mechanism includes rack, synchronization transmission structure, perturbation stick adjustment structure and position limiting structure, synchronization transmission structure and perturbation stick adjustment structure are installed in the rack, synchronization transmission structure driving perturbation stick adjustment structure moves up and down, the moving direction of the perturbation stick adjustment structure of rack limitation simultaneously, position limiting structure is mounted in perturbation stick adjustment structure, to limit the moving range of perturbation stick adjustment structure.The utility model is compact-sized, driving structure is reduced to be taken up space, it is moved up and down simultaneously with perturbation stick by roller bearing lead screw to drive, speed control is more accurate, the moving direction that perturbation stick is limited by the linear guide makes driving mechanism operation more stablize, dependable performance, it is simple in structure, it is easy to repair.
Description
Technical field
The utility model belongs to cyclotron technical field, specifically, being related to a kind of superconducting cyclotron resonant cavity
Perturbation rod drive mechanism.
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 a crucial role, particle moved in cyclotron needed for energy be to be provided by high-frequency resonant cavity.Work as particle
By cavity accelerating gap when, since two boundary of high-frequency resonant cavity is there are potential difference, solid particless can obtain energy to being added
Speed.But when power source is to cavity feed-in power, the surface of resonant cavity can generate local deformation because of heat waste, cause humorous
Vibration frequency deviates, and in order to carry out micro adjustment to resonant cavity frequency, can use and arrive perturbation stick, in order to realize perturbation
Stick moves up and down, and the utility model provides following technical scheme.
Invention content
The purpose of this utility model is to provide a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanisms.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism, including rack, synchronization transmission structure, perturbation stick tune
Section structure and position limiting structure, synchronization transmission structure and perturbation stick adjustment structure are equipped in the rack, and synchronization transmission structure drives
Dynamic perturbation stick adjustment structure makees stretching motion, and position limiting structure is mounted in perturbation stick adjustment structure；
The rack includes mounting disc, the linear guide and fixed flange, and the mounting disc passes through three with fixed flange
Root the linear guide connects, and potentiometer is equipped in mounting disc；
The synchronization transmission structure includes motor, driving wheel, driven wheel, adjusts 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 wheel and tune are equipped on the another side of mounting disc
Tensioning wheel is saved, the driving wheel is connect with motor, and driving wheel drives three driven wheels to rotate synchronously by bi-directional synchronization band, three
Driven wheel is separately connected one end of three roller bearing lead screws, and the other end of roller bearing lead screw is mounted on by bearing on fixed flange；
The perturbation stick adjustment structure includes rotary flange disk, nut and perturbation stick, and one end of perturbation stick is pacified by bolt
On rotary flange disk, the other end of perturbation stick passes through fixed flange；
It is provided with guide rail through-hole and nut through hole on the rotary flange disk, nut, guide rail through-hole are installed in nut through hole
In pass through the linear guide, the cooperation of roller bearing lead screw and nut to install；
The position limiting structure includes limit switch, upper limit position block and lower position block, and the limit switch is mounted on Mobile Method
On blue disk, upper limit position block is mounted on lower position block in the linear guide.
Further, the mounting disc is mutually parallel with plane residing for fixed flange.
Further, the driving wheel and driven wheel are two-way gear.
Further, three driven wheels distribution triangular in shape in mounting disc, the driving wheel be mounted on three from
In delta-shaped region formed by driving wheel.
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 stick passes through outer conductor, driving mechanism to be connect with resonant cavity by outer conductor, passes through motor
It is communicated to connect with potentiometer and tuning control system.
A kind of working method of superconducting cyclotron resonant cavity perturbation rod drive mechanism, includes the following steps, motor drives
Dynamic driving wheel rotation, driving wheel drive driven wheel by bi-directional synchronization band, and driven wheel drives roller bearing lead screw, roller bearing lead screw by with
The cooperation driving rotary flange disk of nut moves up and down, and rotary flange disk is limited by limit switch, upper limit position block and lower position block
System makees stretching motion within the scope of safety movement.
The beneficial effects of the utility model：The utility model is compact-sized, reduces driving structure and is taken up space, and passes through rolling
Axial filament bar drives with the linear guide and guides perturbation stick to move up and down, and speed control is more accurate, and the movement of perturbation stick is more
Stablize, dependable performance is simple in structure, easy to repair.
Description of the drawings
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial structural diagram of the utility model；
Fig. 3 is the assembling position and workflow schematic diagram of the utility model.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism, including rack, synchronization transmission structure, perturbation stick tune
Section structure and position limiting structure, synchronization transmission structure and perturbation stick adjustment structure are equipped in the rack, and synchronization transmission structure drives
Dynamic perturbation stick adjustment structure makees stretching motion, and position limiting structure is mounted in perturbation stick adjustment structure.
As shown in Figure 1, the rack includes mounting disc 2, the linear guide 5 and fixed flange 8, the mounting disc 2 with it is solid
Determine ring flange 8 to connect by three the linear guides 5, the both ends of three the linear guides 5 are bolted on mounting disc 2 and fix
On ring flange 8, mounting disc 2 is mutually parallel with plane residing for fixed flange 8, and potentiometer 21, potentiometer are equipped in mounting disc 2
The starting point that 21 record motors 1 rotate, original set-point is given for change after resonant cavity travels frequently over 10 frequency modulation of perturbation stick.
As shown in Figure 1 and Figure 2, the synchronization transmission structure includes motor 1, driving wheel 3, driven wheel 11, adjusts tensioning wheel
13, bi-directional synchronization band 12, roller bearing lead screw 4, the motor 1 are mounted in the one side opposite with perturbation stick 10 of mounting disc 2,
Driving wheel 3, driven wheel 11 are installed on the another side of mounting disc 2 and adjust tensioning wheel 13, wherein driving wheel 3 and driven wheel 11
It is two-way gear, the driving wheel 3 is connect with motor 1, as shown in figure 3, three driven wheels 11 are triangular in shape in mounting disc 2
Distribution, driving wheel 3 are mounted in delta-shaped region formed by three driven wheels 11, and driving wheel 3 is driven by bi-directional synchronization band 12
Three driven wheels 11 rotate synchronously, and reach the requirement of small space eccentric gearing, are also equipped in mounting disc 2 and adjust tensioning wheel 13,
To adjust the tensioning degree of bi-directional synchronization band 12, three driven wheels 11 are separately connected one end of three roller bearing lead screws 4, roller bearing silk
The other end of bar 4 is mounted on by bearing on fixed flange 8.
The perturbation stick adjustment structure includes rotary flange disk 7, nut 71 and perturbation stick 10, and one end of perturbation stick 10 is logical
Bolt is crossed on rotary flange disk 7, the other end of perturbation stick passes through fixed flange 8；
It is provided with guide rail through-hole and nut through hole on the rotary flange disk 7, nut 71 is installed in nut through hole, installs
When, the linear guide 5 passes through guide rail through-hole, the lateral shift of limitation rotary flange disk 7 to keep the operation of perturbation stick adjustment structure more accurate
Really, roller bearing lead screw 4 passes through nut 71, drives perturbation stick adjustment structure to move up and down by the rotation of roller bearing lead screw 4.
The position limiting structure includes that limit switch 6, upper limit position block 61 and lower position block 62, the limit switch 6 are mounted on
On rotary flange disk 7, upper limit position block 61 is mounted on lower position block 62 in the linear guide 5, and two limited blocks are respectively at movement
Above and below ring flange 7, limitation perturbation stick adjustment structure is moved in the range of safety, and limit switch 6 uses machine
Tool formula limit switch avoids electric signal under complex electromagnetic environment from losing or be distorted.
A kind of working method of superconducting cyclotron resonant cavity perturbation rod drive mechanism, includes the following steps, motor drives
Dynamic driving wheel rotation, driving wheel drive driven wheel by bi-directional synchronization band, and driven wheel drives roller bearing lead screw, roller bearing lead screw by with
The cooperation driving rotary flange disk of nut moves up and down, and rotary flange disk is limited by limit switch, upper limit position block and lower position block
System makees stretching motion within the scope of safety movement.
As shown in Figure 1, Figure 3, a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism described in the utility model
It is connect with resonant cavity by outer conductor 9, is communicated to connect by motor 1 and potentiometer 21 and tuning control system, it is described when work
Tuning control system collects phase data by the way that the probe presented in mouth section resonant cavity in resonant cavity is arranged, and according to tuning need
Control synchronization transmission structure work is asked, suitable reduction ratio driving perturbation stick 10 is matched and moves up and down, to reach to resonant cavity frequency
Rate carries out the purpose of micro adjustment.
The utility model is compact-sized, reduces driving structure and is taken up space, by roller bearing lead screw 4 and the linear guide 5 come
Driving and guiding perturbation stick 10 move up and down, and speed control is more accurate, and the movement of perturbation stick 10 is more stablized, dependable performance,
It is simple in structure, it is easy to repair.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments or example
In can be combined in any suitable manner.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member makes various modifications or additions to the described embodiments or substitutes by a similar method, without departing from hair
Bright structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (7)
1. a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism, which is characterized in that including rack, Synchronous Transmission knot
Structure, perturbation stick adjustment structure and position limiting structure are equipped with synchronization transmission structure and perturbation stick adjustment structure in the rack, synchronous
Drive mechanism driving perturbation stick adjustment structure makees stretching motion, and position limiting structure is mounted in perturbation stick adjustment structure；
The rack includes mounting disc (2), the linear guide (5) and fixed flange (8), the mounting disc (2) and mounting flange
Disk (8) is connected by three the linear guides (5), and potentiometer (21) is equipped in mounting disc (2)；
The synchronization transmission structure includes motor (1), driving wheel (3), driven wheel (11), adjusts tensioning wheel (13), bi-directional synchronization
Band (12), roller bearing lead screw (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 wheel (11) are installed and adjust tensioning wheel (13), the driving wheel (3) connect with motor (1), actively
Take turns (3) drives three driven wheels (11) to rotate synchronously by bi-directional synchronization band (12), and three driven wheels (11) are separately connected three
The other end of one end of roller bearing lead screw (4), roller bearing lead screw (4) is mounted on by bearing on fixed flange (8)；
The perturbation stick adjustment structure includes rotary flange disk (7), nut (71) and perturbation stick (10), one end of perturbation stick (10)
It is mounted on rotary flange disk (7) by bolt, the other end of perturbation stick (10) passes through fixed flange (8)；
It is provided with guide rail through-hole and nut through hole on the rotary flange disk (7), nut (71) is installed in nut through hole, guide rail is logical
The linear guide (5), roller bearing lead screw (4) is passed through to be installed with nut (71) cooperation in hole；
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 mounted on lower position block (62) in the linear guide (5).
2. a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, which is characterized in that institute
Mounting disc (2) is stated to be mutually parallel with plane residing for fixed flange (8).
3. a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, which is characterized in that institute
It is two-way gear that driving wheel (3), which is stated, with driven wheel (11).
4. a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, which is characterized in that three
A driven wheel (11) distribution triangular in shape in mounting disc (2), the driving wheel (3) are mounted on three driven wheel (11) institutes
At delta-shaped region in.
5. a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, which is characterized 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.
6. a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, which is characterized in that institute
It states limit switch (6) and uses mechanical limit switch.
7. a kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism according to claim 1, which is characterized in that institute
Stating perturbation stick (10) passes through outer conductor (9), driving mechanism to be connect with resonant cavity by outer conductor (9), passes through motor (1) and current potential
Device (21) is communicated to connect with tuning control system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734357.8U CN207665268U (en) | 2017-12-13 | 2017-12-13 | A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism |
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| CN201721734357.8U CN207665268U (en) | 2017-12-13 | 2017-12-13 | A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107896416A (en) * | 2017-12-13 | 2018-04-10 | 合肥中科离子医学技术装备有限公司 | A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism and its working method |
-
2017
- 2017-12-13 CN CN201721734357.8U patent/CN207665268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107896416A (en) * | 2017-12-13 | 2018-04-10 | 合肥中科离子医学技术装备有限公司 | A kind of superconducting cyclotron resonant cavity perturbation rod drive mechanism and its working method |
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