CN208342665U - A kind of pet detector axis positioning tool - Google Patents
A kind of pet detector axis positioning tool Download PDFInfo
- Publication number
- CN208342665U CN208342665U CN201820781533.1U CN201820781533U CN208342665U CN 208342665 U CN208342665 U CN 208342665U CN 201820781533 U CN201820781533 U CN 201820781533U CN 208342665 U CN208342665 U CN 208342665U
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- mounting blocks
- pedestal
- pet detector
- positioning tool
- axis positioning
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Abstract
The utility model discloses a kind of pet detector axis positioning tools, the auxiliary mounting blocks of pet detector side are individually fixed in including pedestal and one group, the mounting blocks are set on pedestal, the both ends of the auxiliary mounting blocks are respectively equipped with the first mounting blocks and the second mounting blocks, first mounting blocks, the bottom surface of second mounting blocks and auxiliary mounting blocks is generally aligned in the same plane, the difference in height of first mounting blocks and the second mounting blocks is equal to the plane separation deviation of two components of detector, one end on the pedestal holds down assembly equipped with level, the other end is equipped with horizontal stop block, the pedestal is equipped with several vertical compression components, the pedestal is equipped with spindle locating mechanism and the main shaft orientation block with spindle locating mechanism cooperation, the utility model provides a kind of pet detector axis positioning tool of accurate positioning.
Description
Technical field
The utility model relates to medical imaging device fields, are more particularly to a kind of pet detector axis positioning tool.
Background technique
In the PET detection ring for being equipped with several pet detectors, the gap of two neighboring detector often in 1mm or so,
This requires pet detector modules in assembly, needs to guarantee the ruler of the horizontal space between master positioning axis and auxiliary positioning hole
It is very little, when to avoid pet detector module carry to pet detector mounting ring, interfered between two adjacent detector modules,
In existing technical solution, location structure is set often through between the components for constituting pet detector, passes through components
Between be mutually located, to guarantee the horizontal space between master positioning axis and auxiliary positioning hole, using such mode, to components
Requirement on machining accuracy it is higher, and be easy the accumulation due to tolerance, lead to be controlled dimension overproof failure, and due to master positioning
Shaft end and auxiliary positioning hole aperture face are not visited in same plane and master positioning axis center and the auxiliary positioning hole line of centres and PET
Surveying device module symmetry center line, there are angles, cause traditional axis location structure can not be directly to master positioning axis and auxiliary positioning hole
It is positioned.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of pet detector axis positioning tool of accurate positioning.
To achieve the above object, the utility model provides following technical solution: a kind of pet detector axis positioning tool,
The auxiliary mounting blocks of pet detector side are individually fixed in including pedestal and one group, the mounting blocks are set on pedestal, described auxiliary
The both ends of mounting blocks are helped to be respectively equipped with the first mounting blocks and the second mounting blocks, first mounting blocks, the second mounting blocks and auxiliary
The bottom surface of mounting blocks is generally aligned in the same plane, and the difference in height of first mounting blocks and the second mounting blocks is equal to two groups of detector
The plane separation deviation of part, one end on the pedestal hold down assembly equipped with level, and the other end is equipped with horizontal stop block, the pedestal
Several vertical compression components are equipped with, the pedestal is equipped with spindle locating mechanism and determines with the main shaft of spindle locating mechanism cooperation
Position block.
The further spindle locating mechanism includes two guide-localization seats being fixed on pedestal, two guide-localizations
Seat is equipped with guiding axis, and pressure plare is equipped between two guiding axis, and the guiding axis is equipped with reset element, sets on the pedestal
There is force fixing seat, the force fixing seat is equipped with the vertical force component cooperated with pressure plare.
The one side of the further pressure plare towards main shaft orientation block is inclined-plane, and it is fixed that guiding is correspondingly arranged on the pedestal
The other side of position seat is equipped with side limited block.
It is the elbow folder with self-locking function that the further level, which holds down assembly with vertical compression component,.
Further first mounting blocks and the second mounting blocks are equipped with the flange with the cooperation of vertical compression component.
The further vertical compression component is equipped with a length-adjustable force application rod.
In conclusion the utility model using tooling will control pet detector module master positioning axis and auxiliary positioning hole it
Between horizontal space be converted into control tooling on assist mounting blocks and master positioning axis locating piece difference in height, get rid of PET detection
Influence of the accumulated error to horizontal space is positioned between device module components, is improved between master positioning axis and auxiliary positioning hole
The precision of horizontal space.
Detailed description of the invention
Fig. 1 is the principles of the present invention figure；
Fig. 2 is the location drawing of 1 difference of pet detector Δ；
Fig. 3 is pet detector and the installation diagram for assisting mounting blocks；
Fig. 4 is the structural schematic diagram for assisting mounting blocks；
Fig. 5 is the structural schematic diagram of base position；
Fig. 6 is the structural schematic diagram of spindle locating mechanism；
Fig. 7 is pet detector and the explosive view for assisting mounting blocks；
Fig. 8 is the installation front elevation of pet detector and pedestal；
Fig. 9 is the installation back view of pet detector and pedestal；
Figure 10 is the installation sectional view of pet detector and pedestal.
Mark explanation: 1, pet detector；11, master positioning axis；12, auxiliary positioning hole；2, main shaft orientation block；3, auxiliary peace
Fill block；31, the first mounting blocks；32, the second mounting blocks；5, pedestal；51, side limited block；52, horizontal stop block；53, horizontal pressure
Tight component；54, vertical compression component；6, spindle locating mechanism；61, guide-localization seat；62, guiding axis；63, spring；64, pressure
Plate；65, exert a force fixing seat；66, vertically exert a force component.
Specific embodiment
A kind of embodiment of pet detector axis positioning tool of the utility model is described further referring to figs. 1 to Figure 10.
A kind of 1 axis positioning tool of pet detector, including pedestal 5 and one group are individually fixed in 1 two sides of the bottom of pet detector
Auxiliary mounting blocks 3, the mounting blocks be set to pedestal 5 on, it is described auxiliary mounting blocks 3 both ends be respectively equipped with the first mounting blocks 31
It is generally aligned in the same plane with the bottom surface of the second mounting blocks 32, first mounting blocks 31, the second mounting blocks 32 and auxiliary mounting blocks 3,
The difference in height of first mounting blocks 31 and the second mounting blocks 32 is equal to the plane separation deviation of two components of detector, the bottom
One end on seat 5 is equipped with level and holds down assembly 53, and the other end is equipped with horizontal stop block 52, and the pedestal 5 is equipped with several vertical
Hold down assembly 54, the main shaft orientation block 2 that the pedestal 5 is equipped with spindle locating mechanism 6 and cooperates with spindle locating mechanism 6, institute
Stating spindle locating mechanism 6 includes two guide-localization seats 61 being fixed on pedestal 5, and two guide-localization seats 61 are equipped with guiding
Axis 62 is equipped with pressure plare 64 between two guiding axis 62, and the guiding axis 62 is equipped with reset element, and the pedestal 5 is equipped with
Exert a force fixing seat 65, and the force fixing seat 65 is equipped with the vertical force component 66 cooperated with pressure plare 64, the pressure plare
64 towards the one side of main shaft orientation block 2 be inclined-plane, and the other side that guide-localization seat 61 is correspondingly arranged on the pedestal 5 is equipped with side
Limited block 51, the level hold down assembly 53 and vertical compression component 54 be with self-locking function elbow folder.
As shown in Figure 1 to Figure 3, single since two components are not wide when two components of pet detector 1 are assembled
While there are the differences of Δ 1, therefore need to use auxiliary mounting blocks 3, to ensure two components in assembly based on same reference for installation
Face, the first mounting blocks 31 and the second mounting blocks 32 respectively with two component touch, it is assumed that the height of the first mounting blocks 31 is h1, the
The height of two mounting blocks 32 is h2, and the height difference between h1 and h2 is equal with Δ 1, then 1 master positioning axis 11 of pet detector and auxiliary
Help the value of 12 horizontal space d1 of location hole by formula d1=h3-h1-d2+1/2 2, wherein 2 be the diameter of main locating shaft 11, because
This, only need to additionally control the machining accuracy of size h3, h1, that is, can guarantee between master positioning axis 11 and auxiliary positioning hole 12 between level
Precision away from d1.
Vertical compression component 54 in the present embodiment is four groups and is respectively provided on the both sides of pedestal 5, when in use, existing first
During assembling 1 modular assembly of pet detector, guarantee two of detector using the first mounting blocks 31 and the second mounting blocks 32
Secondly 11 component of master positioning axis of detector is placed on 1 module top of pet detector by the relative positional relationship between component,
It is screwed into screw, but is not fastened, move 11 component of master positioning axis can along 1 module top surface of pet detector in a certain range, again
1 module of pet detector for completing above-mentioned installation is placed on pedestal 5, makes that 3 lower surface of mounting blocks is assisted to contact with pedestal 5,
1 module side end face of pet detector is contacted with horizontal stop block 52, and 1 module bottom end face of pet detector connects with side limited block 51
Touching, the periphery of 11 component of master positioning axis contacts with two 2 upper surfaces of main shaft orientation block, and then promotion level holds down assembly 53 Hes
The handle of four groups of vertical compression components 54 makes the side end face of horizontal 53 clamping pet detector, 1 module that holds down assembly, and four groups vertical
It holds down assembly and 54 clamps flange on the first mounting blocks 31 and the second mounting blocks 32 respectively, exist to limit 1 module of pet detector
Freedom degree vertically and horizontally then pushes vertical force component 66, moves downward pressure plare 64 and make pressure
The inclined-plane of plate 64 and the circumference contact and compression of 11 component of master positioning axis, when pressure plare 64 compresses 11 component of master positioning axis, meeting
Normal pressure along 64 inclined-plane normal direction of pressure plare is generated to 11 component of master positioning axis, normal pressure can be analyzed to horizontal component and vertical point
11 component of master positioning axis together on pet detector 1 module pressing to side limited block 51, is limited it in water by power, horizontal component
Square to freedom degree, 11 component of master positioning axis is pressed on two 2 upper surfaces of main shaft orientation block, ensure that master by vertical component
The distance between 11 component of locating shaft and pedestal 5 finally fasten the screw previously not yet fastened, complete 11 component of master positioning axis
Assembly, converted using tooling by the horizontal space between 1 module master positioning axis 11 of pet detector and auxiliary positioning hole 12 is controlled
For the difference in height for assisting mounting blocks 3 and 11 locating piece of master positioning axis in control tooling, 1 module components of pet detector are got rid of
Between influence of the positioning accumulated error to horizontal space, improve the horizontal space between master positioning axis 11 and auxiliary positioning hole 12
Precision.
Reset element in the present embodiment can be compressed spring 63, for resetting to pressure plare 64.
Guiding axis 62 in the present embodiment makes it be only capable of being vertically moved for being oriented to pressure plare 64.
Preferred first mounting blocks 31 of the present embodiment and the second mounting blocks 32 are equipped with and match with vertical compression component 54
The flange of conjunction limits auxiliary mounting blocks 3 in the freedom degree of vertical direction.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of pet detector axis positioning tool, it is characterized in that: including that pedestal and one group are individually fixed in pet detector side
Auxiliary mounting blocks, the mounting blocks are set on pedestal, and the both ends of the auxiliary mounting blocks are respectively equipped with the first mounting blocks and the
The bottom surface of two mounting blocks, first mounting blocks, the second mounting blocks and auxiliary mounting blocks is generally aligned in the same plane, first installation
The difference in height of block and the second mounting blocks is equal to the plane separation deviation of two components of detector, and one end on the pedestal is equipped with water
Flat to hold down assembly, the other end is equipped with horizontal stop block, and the pedestal is equipped with several vertical compression components, and the pedestal is equipped with
Spindle locating mechanism and the main shaft orientation block cooperated with spindle locating mechanism.
2. a kind of pet detector axis positioning tool according to claim 1, it is characterized in that: the spindle locating mechanism packet
Two guide-localization seats being fixed on pedestal are included, two guide-localization seats are equipped with guiding axis, are equipped between two guiding axis
Pressure plare, the guiding axis are equipped with reset element, and the pedestal is equipped with force fixing seat, and the force fixing seat is equipped with
With the vertical force component of pressure plare cooperation.
3. a kind of pet detector axis positioning tool according to claim 2, it is characterized in that: the pressure plare is towards main shaft
The one side of locating piece is inclined-plane, and the other side that guide-localization seat is correspondingly arranged on the pedestal is equipped with side limited block.
4. a kind of pet detector axis positioning tool according to claim 1, it is characterized in that: the level hold down assembly and
Vertical compression component is the elbow folder with self-locking function.
5. a kind of pet detector axis positioning tool according to claim 1, it is characterized in that: first mounting blocks and
Two mounting blocks are equipped with the flange with the cooperation of vertical compression component.
6. a kind of pet detector axis positioning tool according to claim 1, it is characterized in that: the vertical compression component is set
There is a length-adjustable force application rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781533.1U CN208342665U (en) | 2018-05-24 | 2018-05-24 | A kind of pet detector axis positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781533.1U CN208342665U (en) | 2018-05-24 | 2018-05-24 | A kind of pet detector axis positioning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208342665U true CN208342665U (en) | 2019-01-08 |
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ID=64890695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820781533.1U Active CN208342665U (en) | 2018-05-24 | 2018-05-24 | A kind of pet detector axis positioning tool |
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| Country | Link |
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| CN (1) | CN208342665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453651A (en) * | 2018-05-24 | 2018-08-28 | 明峰医疗系统股份有限公司 | A kind of pet detector axis positioning tool |
-
2018
- 2018-05-24 CN CN201820781533.1U patent/CN208342665U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453651A (en) * | 2018-05-24 | 2018-08-28 | 明峰医疗系统股份有限公司 | A kind of pet detector axis positioning tool |
| CN108453651B (en) * | 2018-05-24 | 2024-05-07 | 明峰医疗系统股份有限公司 | PET detector shaft positioning tool |
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