CN205503884U - Wild adjusting device of ray - Google Patents
Wild adjusting device of ray Download PDFInfo
- Publication number
- CN205503884U CN205503884U CN201521084111.1U CN201521084111U CN205503884U CN 205503884 U CN205503884 U CN 205503884U CN 201521084111 U CN201521084111 U CN 201521084111U CN 205503884 U CN205503884 U CN 205503884U
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- CN
- China
- Prior art keywords
- open country
- ray
- pair
- circular arc
- chain
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a wild adjusting device of ray, include: braced frame is including a pair of vertical circular arc support frame and a pair of horizontal circular arc support frame, four at least chains, an at least chain in four at least chains is installed along its circular arc orientation to every vertical and horizontal circular arc support frame, the wild adjusting block of a pair of vertical ray, two terminal surface departments of the wild adjusting block of every vertical ray are provided with sprocket and direction subassembly, the sprocket meshes with an at least chain of installing on a pair of vertical circular arc support frame respectively, the wild adjusting block of a pair of horizontal ray, two terminal surface departments of the wild adjusting block of every horizontal ray are provided with sprocket and direction subassembly, the sprocket meshes with an at least chain of installing on a pair of horizontal circular arc support frame respectively, and driving motor for drive each sprocket turns, in order to mesh corresponding chain.
Description
Technical field
This utility model relates to radiographic techniques field, particularly relates to a kind of ray open country and adjusts dress
Put.
Background technology
In radiographic techniques, it is used for regulating the device of roentgenization region (that is, ray is wild)
It is requisite.Such as during carrying out radiotherapy, industrial x-ray Non-Destructive Testing etc., all
Need the ray adjusting ray wild.
Generally, ray open country adjustment block is used to adjust ray during radial imaging wild.Specifically,
It is in course of adjustment, needs to make side and target spot (that is, the radiographic source of the close ray open country of adjustment block
Point) on same plane (elongated surfaces), to avoid, in ray Yezhong, penumbra region occurs.This will
The adjustment campaign seeking ray open country adjustment block is target spot along arc track, the center of circle of circular arc.
It is presently used for the kind of drive that ray open country adjusts, i.e. drives the biography of ray open country adjustment block motion
Flowing mode typically uses lead screw transmission or uses gear and Worm Wheel System, complicated structure.
And, both kinds of drive have many limitation.Such as, for applying more leading screw at present
For transmission, it typically makes adjustment block self edge while linearly dragging ray open country adjustment block
Circular arc does the rotation of certain angle.Owing to the rotational angle of ray open country adjustment block is the expression of approximation,
Therefore systematic error is inevitable.And for gear with Worm Wheel System, it is common that
Circular arc is made imperfect gear, drags ray open country adjustment block by gear engagement and rotate.This
It is high that transmission makes required precision to gear, and is difficult to repair when there is abrasion, and gap adjusts compares
Difficulty.
Utility model content
In order to overcome shortcoming present in above-mentioned prior art, the purpose of this utility model is to provide one
The drive mechanism plant simple in construction, being easily achieved realizes ray open country accurately and adjusts.
To achieve these goals, according to one side of the present utility model, it is provided that a kind of ray open country is adjusted
Engagement positions, including: support frame, described support frame includes a pair horizontally spaced layout
Vertical circle arc support frame and a pair horizontal circular arc bracing frame the most spaced apart；At least
Article four, chain, each vertical circle arc support frame and each horizontal circular arc bracing frame are along its circular arc orientation peace
Equipped with at least one chain in described at least four chains；A pair vertical ray open country adjustment block, uses
Adjust ray open country in vertically, two ends of each vertical ray open country adjustment block are provided with
Sprocket wheel and guidance set, described sprocket wheel respectively be arranged on the pair of vertical circle arc support frame
Described at least one chain engagement, described guidance set is respectively along the pair of vertical circle arc support
Frame guides the motion of this vertical ray open country adjustment block；A pair horizontal rays open country adjustment block, for along water
Square wild to adjusting ray, two ends of each horizontal rays open country adjustment block be provided with sprocket wheel and
Guidance set, described sprocket wheel respectively be arranged on the pair of horizontal circular arc bracing frame described in extremely
Few chain engagement, described guidance set guides respectively along the pair of horizontal circular arc bracing frame
The motion of this horizontal rays open country adjustment block；With driving motor, it is used for driving each sprocket wheel described to rotate,
With engagement each chain corresponding.
In this drive mechanism, using chain to fix, motor-driven drive sprockets engages with chain, thus
Driven ray open country adjustment block along the scheme of circular motion by sprocket wheel.Compared to leading screw of the prior art
Transmission or gear and Worm Wheel System, the transmission scheme knot of chain and sprocket wheel in this utility model
Structure is simple, and it is convenient to adjust and install.Further, owing to chain and sprocket wheel can use standardized element,
Can easily be commercially available and cheap, therefore can be substantially reduced manufacturing cost and work
Phase.
Accompanying drawing explanation
Referring to the schematic figures enclosed, the most by way of example, describe of the present utility model
Embodiment, wherein:
Figure 1A is the transmission principle signal of the ray open country adjusting apparatus according to this utility model embodiment
Figure；
Figure 1B is the partial sectional view of the ray open country adjusting apparatus that line A-A takes along Figure 1A；
Fig. 2 A is integrally-built the showing of the ray open country adjusting apparatus according to this utility model embodiment
Meaning property front view, Fig. 2 B is the entirety of the ray open country adjusting apparatus according to this utility model embodiment
The left side schematic elevational view of structure, Fig. 2 C is that the ray open country according to this utility model embodiment adjusts dress
The integrally-built schematic plan put, wherein each horizontally and vertically ray open country adjustment block be in
Closure state；With
Fig. 3 A is integrally-built the showing of the ray open country adjusting apparatus according to this utility model embodiment
Meaning property front view, Fig. 3 B is the entirety of the ray open country adjusting apparatus according to this utility model embodiment
The left side schematic elevational view of structure, Fig. 3 C is that the ray open country according to this utility model embodiment adjusts dress
The integrally-built schematic plan put, wherein each horizontally and vertically ray open country adjustment block be in
Kinestate.
Detailed description of the invention
1A to 3C describes the ray open country adjustment according to this utility model embodiment below with reference to the accompanying drawings
The structure of device and principle, wherein Figure 1A-1B illustrates that the ray according to this utility model embodiment is wild
The transmission principle of adjusting apparatus, Fig. 2 A-2C and 3A-3C shows according to this utility model embodiment
The overall structure of ray open country adjusting apparatus.
Specifically, include according to the ray open country adjusting apparatus 100 of this utility model embodiment: support
Framework 1, support frame 1 includes a pair spaced apart vertical circle arc support frame of H in the horizontal direction
11 and a pair vertically spaced apart horizontal circular arc bracing frame 12 of V；Article at least four, chain 2
(being 8 the most as shown in Figure 2), each vertical circle arc support frame 11 and each horizontal circular arc
Bracing frame 12 is orientated at least one chain being provided with at least four chains 2 along its circular arc；A pair
Vertically ray open country adjustment block 3, adjusts ray for vertically V wild, and each vertical ray is wild
Sprocket wheel 32 and guidance set 33, two sprocket wheels 32 it are provided with on two end faces 31 of adjustment block 3
Engage with at least one chain 2 being arranged on a pair vertical circle arc support frame 11 respectively, guiding group
Part 33 guides the fortune of this vertical ray open country adjustment block 3 respectively along a pair vertical circle arc support frame 11
Dynamic；A pair horizontal rays open country adjustment block 4, wild for adjusting ray in the horizontal direction, each level
Sprocket wheel 42 and guidance set 43, two chains it are provided with on two end faces 41 of ray open country adjustment block 4
Wheel 42 engages with at least one chain 2 being arranged on a pair horizontal circular arc bracing frame 12 respectively,
Guidance set 43 guides this horizontal rays open country adjustment block respectively along a pair horizontal circular arc bracing frame 12
The motion of 4；With driving motor 5, it is used for driving each sprocket wheel 32 and 42 to rotate, corresponding with engagement
Each chain 2.
In operation, such as with reference to Figure 1A and 1B, as a example by horizontal rays open country adjustment block 4, drive
Galvanic electricity machine 5 is opened, and drive sprocket 42 rotates continuously so that sprocket wheel 42 engages with chain 2 continuously；
Meanwhile, guidance set 43 is wild along the circular arc orientation guide horizontal rays of horizontal circular arc bracing frame 12
Adjustment block 4.Hereby it is achieved that horizontal rays open country adjustment block 4 moving along circular arc, and then realize edge
It is wild that horizontal direction adjusts ray.Similarly, for a pair vertical ray open country adjustment block 3, by with
Above-mentioned same operation can realize vertical ray open country adjustment block 3 moving along circular arc, and then realizes
Vertically adjust ray wild.
In this drive mechanism, using chain to fix, motor-driven drive sprockets engages with chain, thus
Driven ray open country adjustment block along the scheme of circular motion by sprocket wheel.Compared to leading screw of the prior art
Transmission or gear and Worm Wheel System, the transmission scheme knot of chain and sprocket wheel in this utility model
Structure is simple, and it is convenient to adjust and install.Further, owing to chain and sprocket wheel can use standardized element,
Can easily be commercially available and cheap, therefore can be substantially reduced manufacturing cost and work
Phase.Additionally, use symmetrical configuration to arrange according to the ray open country adjusting apparatus of this utility model embodiment,
The i.e. structure of two ends of each ray open country adjustment block is identical with configuration so that ray open country adjusts
Operating steadily of block.Further, a pair horizontal rays open country adjustment block and being mutually orthogonal to one another is set
Vertical ray open country is adjusted, enabling constitute size with the motion change of each adjustment block variable
Rectangle ray is wild.
In one embodiment, such as with reference to Figure 1B, each horizontal circular arc bracing frame 12 is along its circular arc
Orientation offers a groove 6, for accommodating and being fixedly mounted on this horizontal circular arc bracing frame
At least one chain 2, is shown as 2 chains 2 in fig. ib.Similarly, although not shown,
Each vertical circle arc support frame can offer a groove along its circular arc orientation, is used for accommodating and consolidating
Dingan County is contained at least one chain on this vertical circle arc support frame.But, this utility model does not limits
In this, it is possible to use chain can be fixed on any suitable structure on each circle arc support frame.
In one embodiment, sprocket wheel 32 and 42 can be monolayer sprocket wheel, is fixedly mounted on each circle
Chain 2 on arc bracing frame 11 and 12 can be 1 chain, with monolayer sprocket engagement.But,
Preferably, it would however also be possible to employ double-deck sprocket wheel, arrange on each circle arc support frame 11 and 12 simultaneously
Article two, separate chain 2, makes two separate chains 2 the most individually to regulate also
And respectively with double-deck sprocket engagement.Such that make owing to the gap of sprocket wheel and chain causes engagement fortune
Dynamic error, it is also possible to adjust sprocket wheel and chain by along the circumferential direction forward, oppositely adjustment chain
The phase contrast of bar engagement, eliminates gap, to ensure kinematic accuracy.Use this double strand chain, double
The kind of drive of layer sprocket wheel, it is possible to reduce the manufacture to each parts and the requirement of installation accuracy,
Reduce manufacturing cost.
It is additionally noted that this utility model be not limited to the described above 4 chains are set
Or the scheme of 8 chains.It will appreciated by the skilled person that can as required, if
The combination putting 1 chain and 2 chains is arranged, for example, it is possible at a horizontal circular arc bracing frame
1 chain is set on 12, and two chains is set on another horizontal circular arc bracing frame 12,
Etc., as long as being capable of goal of the invention of the present utility model.
In one embodiment, such as with reference to accompanying drawing 1B, in each horizontal rays open country adjustment block 4
Be also provided with universal rolling wheel 45 on two end faces 41, two universal rolling wheels 45 respectively with a pair water
The inner face contact of flat round arc bracing frame 12, for limiting the edge of each horizontal rays open country adjustment block 4
It is perpendicular to the play in the direction of end face 41.Similarly, although be shown without, at each vertical ray
Being also provided with universal rolling wheel (not shown) on two end faces 31 of wild adjustment block 3, two universal
Roller inner face with a pair vertical circle arc support frame 11 respectively contacts, and is used for limiting each and vertically penetrates
The play along the direction being perpendicular to end face 31 of line open country adjustment block 3.
In one embodiment, such as with reference to accompanying drawing 1B, each horizontal rays open country adjustment block 4 is also wrapped
Include and connect the sprocket wheel 42 that is arranged on two end faces 41, horizontally extending power transmission shaft 46.
Similarly, such as with reference to accompanying drawing 2B and 3B, each vertical ray open country adjustment block 3 also includes connecting
The sprocket wheel 32 being arranged on two end faces 31, the power transmission shaft 36 that vertically extends.
In a specific embodiment, such as with reference to accompanying drawing 1A and 2B-2C, each guidance set
33 or 43 include pair roller 33a, 33b or a 43a, 43b, pair roller 33a, 33b or a 43a,
43b is set to respectively along the outer arc face of corresponding vertically or horizontally circle arc support frame 11 or 12
Roll with inner arc face, with moving of the ray open country adjustment block corresponding along circular arc orientation guide.
But, this utility model is not limited to this, it is possible to use can adjust along circular arc orientation guide ray open country
Any suitable structure of block motion.
In a preferred embodiment, such as with reference to accompanying drawing 1B, each horizontal rays open country adjustment block 4
Can also include the support roller 44 being arranged on two end faces 41, respectively be arranged on two ends
Sprocket wheel 42 at face 41 is fixedly and coaxially connected and supports sprocket wheel 42, and supports roller 44 respectively
Outer arc face along corresponding horizontal circular arc bracing frame 12 rolls.Similarly, although not shown,
Each vertical ray open country adjustment block can also include the support roller being arranged on two end faces 31, point
Not be arranged on the sprocket wheel 32 at two end faces 31 and be fixedly and coaxially connected and support sprocket wheel 32, and
Support roller to roll along the outer arc face of corresponding vertical circle arc support frame 11 respectively.Arrange so
Support roller, it is possible to guide further the moving along circular arc of ray open country adjustment block.
It is additionally noted that can be that each ray open country adjustment block is separately provided driving electricity
Machine, it is also possible to be that a pair horizontal or vertical ray open country adjustment block arranges synchronous motor, make a pair level
Or vertically ray open country adjustment block is synchronously adjusted.
The foregoing describe structure and the biography of ray open country adjusting apparatus according to this utility model embodiment
Dynamic principle.But, it will appreciated by the skilled person that this utility model is not limited to this,
This utility model can be widely applied in ray non-destructive detecting device, radiotherapy equipment etc.,
Such as medical accelerator, industrial accelerator, isotope therapeutic apparatus and relevant device etc..
So far already in connection with preferred embodiment, this utility model is described.It should be understood that this
Skilled person, in the case of without departing from spirit and scope of the present utility model, can carry out each
Plant other change, replace and add.Therefore, scope of the present utility model is not limited to above-mentioned spy
Determine embodiment, and should be defined by the appended claims.
Claims (11)
1. a ray open country adjusting apparatus, it is characterised in that including:
Support frame, described support frame includes the vertical circle arc support frame of a pair horizontally spaced layout and a pair horizontal circular arc bracing frame the most spaced apart；
Article at least four, chain, each vertical circle arc support frame and each horizontal circular arc bracing frame along its circular arc orientation be provided with described at least one chain at least four chains；
A pair vertical ray open country adjustment block, ray open country is adjusted for vertically, two ends of each vertical ray open country adjustment block are provided with sprocket wheel and guidance set, described sprocket wheel engages with described at least one chain being arranged on the pair of vertical circle arc support frame respectively, and described guidance set guides the motion of this vertical ray open country adjustment block respectively along the pair of vertical circle arc support frame；
A pair horizontal rays open country adjustment block, wild for adjusting ray in the horizontal direction, two ends of each horizontal rays open country adjustment block are provided with sprocket wheel and guidance set, described sprocket wheel engages with described at least one chain being arranged on the pair of horizontal circular arc bracing frame respectively, and described guidance set guides the motion of this horizontal rays open country adjustment block respectively along the pair of horizontal circular arc bracing frame；With
Drive motor, be used for driving each sprocket wheel described to rotate, with engagement each chain corresponding.
Ray open country the most according to claim 1 adjusting apparatus, it is characterised in that each vertical circle arc support frame offers a groove along its circular arc orientation, for described at least one chain accommodating and being fixedly mounted on this vertical circle arc support frame.
Ray open country the most according to claim 2 adjusting apparatus, it is characterised in that each horizontal circular arc bracing frame offers a groove along its circular arc orientation, for described at least one chain accommodating and being fixedly mounted on this horizontal circular arc bracing frame.
Ray open country the most according to claim 3 adjusting apparatus, it is characterised in that each sprocket wheel described is monolayer sprocket wheel, described at least one chain includes a chain, with described monolayer sprocket engagement.
Ray open country the most according to claim 3 adjusting apparatus, it is characterised in that each sprocket wheel described is double-deck sprocket wheel, and described at least one chain includes separate two chain, with described double-deck sprocket engagement.
6. according to ray open country in any one of the preceding claims wherein adjusting apparatus, it is characterized in that, it is additionally provided with universal rolling wheel on each end face described, each universal rolling wheel described inner face with the pair of vertical circle arc support frame and the pair of horizontal circular arc bracing frame respectively contacts, for limit described each vertically and horizontally ray open country adjustment block along the play being perpendicular to end face direction.
7. according to the ray open country adjusting apparatus according to any one of claim 1-5, it is characterized in that, each guidance set includes a pair roller, the pair of roller is set to respectively along outer arc face and the rolling of inner arc face of corresponding vertically or horizontally circle arc support frame, with moving of the ray open country adjustment block corresponding along circular arc orientation guide.
Ray open country the most according to claim 7 adjusting apparatus, it is characterised in that each vertical ray open country adjustment block also includes connecting power transmission shaft that be arranged on the described sprocket wheel of said two end, that vertically extend.
Ray open country the most according to claim 8 adjusting apparatus, it is characterised in that each horizontal rays open country adjustment block also includes connecting that be arranged on the described sprocket wheel of said two end, horizontally extending power transmission shaft.
10. according to the ray open country adjusting apparatus according to any one of claim 1-5, it is characterized in that, each vertical ray open country adjustment block also includes the support roller being arranged on said two end face, fix with the sprocket coaxiality being arranged on said two end respectively and be connected and support described sprocket wheel, and described support roller rolls along the outer arc face of corresponding vertical circle arc support frame respectively.
11. ray open country according to claim 10 adjusting apparatus, it is characterized in that, each horizontal rays open country adjustment block also includes the support roller being arranged on said two end face, fix with the sprocket coaxiality being arranged on said two end respectively and be connected and support described sprocket wheel, and described support roller rolls along the outer arc face of corresponding horizontal circular arc bracing frame respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084111.1U CN205503884U (en) | 2015-12-23 | 2015-12-23 | Wild adjusting device of ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084111.1U CN205503884U (en) | 2015-12-23 | 2015-12-23 | Wild adjusting device of ray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205503884U true CN205503884U (en) | 2016-08-24 |
Family
ID=56720270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521084111.1U Withdrawn - After Issue CN205503884U (en) | 2015-12-23 | 2015-12-23 | Wild adjusting device of ray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205503884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443688A (en) * | 2015-12-23 | 2016-03-30 | 同方威视技术股份有限公司 | Radiation field adjusting device |
-
2015
- 2015-12-23 CN CN201521084111.1U patent/CN205503884U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443688A (en) * | 2015-12-23 | 2016-03-30 | 同方威视技术股份有限公司 | Radiation field adjusting device |
| CN105443688B (en) * | 2015-12-23 | 2018-02-16 | 同方威视技术股份有限公司 | Ray open country adjusting apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160824 Effective date of abandoning: 20180216 |
|
| AV01 | Patent right actively abandoned |