CN109725344A - A kind for the treatment of level dosimeter detection high-precision detecting platform - Google Patents
A kind for the treatment of level dosimeter detection high-precision detecting platform Download PDFInfo
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- CN109725344A CN109725344A CN201910208632.XA CN201910208632A CN109725344A CN 109725344 A CN109725344 A CN 109725344A CN 201910208632 A CN201910208632 A CN 201910208632A CN 109725344 A CN109725344 A CN 109725344A
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Abstract
The present invention relates to a kind for the treatment of level dosimeter detection high-precision detecting platforms, the present invention is utilized respectively lead screw, the cooperation of gear-tooth item realizes that the position in three directions of sample stage is adjusted, simultaneously because the high-precision distance feedback of magnetic railings ruler, the range accuracy of the present apparatus is further promoted, the measurement accuracy of the present apparatus reaches maximization, simultaneously in the mensuration operation for needing to carry out rotary operation, dismountable rotating device is added, utilize the cooperation between worm gear-endless screw, realize the adjusting of angle, for the ease of easy to disassemble and guarantee measurement accuracy simultaneously, the pedestal of rotating device clamping is carried out using the elastic clamping jaw in four orientation to hold, while easy to disassemble, ensure the stability of structure, it is practical, the present apparatus achievees the purpose that improve detection accuracy by improving the precision of positioning, so that measurement accuracy greatly improves, and Realize intelligentized control method, it is convenient and practical, it is suitble to promote.
Description
Technical field
The invention belongs to the technical fields of detecting platform more particularly to a kind for the treatment of level dosimeter detection high-precision to examine
Fixed platform.
Background technique
Radiotherapy, chemotherapy and operative treatment are three main means of oncotherapy, and China increases tumour newly every year
Patient about 4,200,000, wherein about 2,200,000 need radiotherapy.Radiotherapy device therefor mainly has accelerator for electron therapy, solid
γ knife, afterloader etc. are oriented, performance quality directly affects the various concurrent reactions of therapeutic effect and patient's generation, because
The quality control that this carries out radiotherapy apparatus is most important.According to United States Medicine physics Shi Xiehui (AAPM) TG-142 report, state
Family's files such as measurement verification regulations JJG589-2008 and standard GB/T/T 19046-2013, should be according to plan to radiotherapy apparatus
Carry out quality control checking, including dosimetric parameters (absolute dosages error, dose linear, repeatability etc.) and mechanical parameter (are penetrated
Wild flatteness, symmetry, launched field light field consistency etc.) measurement and control.
The measurement of dosimetric parameters uses treatment level dosimeter, and treatment level dosimeter is widely used in dose of radiation
The measurement of dose of radiation in transmission of quantity value and medical radiotherapy, industry, agricultural and science is needed as measurement instrument
It is traced to the source to corresponding X, γ air kerma or water absorbent amount country's highest standard or National primary standard.
Existing X, gamma-rays air kerma (treatment level) standard set-up, for treatment level dosimeter calibrating or
Calibration.Standard dosimeter and tested dosimeter are individually placed to Standard Ratio field position appropriate, carried out using the method for comparison
Calibration.Treatment level dosimeter belongs to fine measuring instrument, has higher requirement to uncertainty of measurement, in addition to higher level calibration because
Uncertainty caused by son and temperature and humidity, uncertainty caused by orientation distance is principal element, wherein there are samples to need
When rotation, the inconvenient problem of the rotating platform dismounting of sample is placed.
Because we urgently a kind for the treatment of level dosimeter detection high-precision detecting platform to solve above ask
Topic.
Summary of the invention
In view of the above problems, we provide a kind for the treatment of level dosimeter detection high-precision detecting platform, solution
The problem of being mentioned in background technique of having determined.
The scheme that the present invention takes are as follows: a kind for the treatment of level dosimeter detection high-precision detecting platform, including a transverse direction
The track of setting and a calibrating trolley, which is characterized in that lateral rotation connects one first lead screw, the inspection in the track
Determining trolley includes one cooperating with the first threads of lead screw and sliding laterally the movable block connecting in orbit, the movable block it is upper
It holds longitudinal sliding motion to connect a movable plate, meets movable plate only with respect to movable block longitudinal sliding motion, the upper end of the movable plate connects
One magnetic railings ruler is electrically connected between the magnetic railings ruler and signal processing unit, and the left and right sides of the movable plate lower end longitudinally connects
Connect rack gear, be engaged with below the rack gear two groups be respectively placed in side before and after the first lead screw and lateral rotation connection in orbit
Spool gear, the upper end of the movable plate are rotatablely connected a quill, the percutaneous V belt translation connection first motor of quill
The upper end edge quill of output shaft, the movable plate is evenly equipped with four groups of rectangle loop bars outside, and the threaded upper ends of the quill are matched
Unify the second lead screw, second lead screw upper end connects a sample plate, and the lower end of the sample panel is connected with four groups and rectangle
Loop bar slides vertically the telescopic rod of cooperation；
Coaxially connected second motor of first lead screw, the coaxially connected third motor of spool gear, the first motor,
Second motor, third motor are all connected with controller.
Preferably, the upper end of the sample stage is provided with dismountable rotating device, and the rotating device includes bottom
Seat, the pedestal upper end are rotatablely connected a transmission shaft, and the upper end of the transmission shaft connects a turntable, the transmission shaft
It is coaxially arranged one first worm gear, the first worm gear engagement one is rotatably connected on the first worm screw on pedestal, first snail
The output shaft of bar and the 4th motor being mounted on the base is coaxially connected；
The sample stage upper end offers multiple groups gauge orifice, and the gauge orifice cooperation on the pedestal and sample stage constitutes removable
Structure is unloaded, offers gauge orifice on the turntable.
Preferably, the upper end of the sample stage is provided with dismountable rotating device, and the rotating device includes bottom
Seat, the pedestal upper end are rotatablely connected a transmission shaft, and the upper end of the transmission shaft connects a turntable, the transmission shaft
It is coaxially arranged one first worm gear, the first worm gear engagement one is rotatably connected on the first worm screw on pedestal, first snail
The output shaft of bar and the 4th motor being mounted on the base is coaxially connected；
The sample stage upper end edge radial equipartition is provided with four groups of T shape sliding slots, slides a T-shaped slider, institute in the T shape sliding slot
One screw thread of rotation connection wears the third lead screw of T-shaped slider in the T shape sliding slot stated, and the lower end of the sample panel rotates coaxially company
A master gear is connect, four groups of transition gears being rotatably connected on sample stage, the transition are uniformly engaged with outside the master gear
The coaxially connected first bevel gear of gear, the coaxially connected second bevel gear of the third lead screw, the first bevel gear
It is engaged with second bevel gear, coaxially connected one second worm gear of the master gear, one rotation connection of the second worm gear engagement
The second worm screw in sample stage lower end, the coaxially connected driving handle of second worm screw；
The direction at T-shaped slider upper end towards the sample stage center is connected with an elastic clamp hand, meets four groups of elasticity clamp hands and bottom
The movement of seat cooperation limitation pedestal, the turntable upper end offers gauge orifice.
Preferably, elastoplastic or spring leaf may be selected in the material of the elastic clamp hand.
Advantages of the present invention: the present invention is utilized respectively the position in cooperation realization three directions of sample stage of lead screw, gear-tooth item
Adjusting is set, simultaneously because the high-precision distance feedback of magnetic railings ruler, the range accuracy of the present apparatus is further promoted, the survey of the present apparatus
Determine precision and reach maximization, while in the mensuration operation for needing to carry out rotary operation, dismountable rotating device is added, utilizes
The adjusting of angle is realized in cooperation between worm gear-endless screw, for the ease of easy to disassemble and guarantee measurement accuracy simultaneously, using four
The pedestal of rotating device is carried out clamping and held by the elastic clamping jaw in a orientation, while easy to disassemble, it is ensured that the stabilization of structure
Property, practical, the present apparatus achievees the purpose that improve detection accuracy by improving the precision of positioning, so that measurement accuracy mentions significantly
Height, and realize intelligentized control method, it is convenient and practical, it is suitble to promote.
Detailed description of the invention
Fig. 1 is three-dimensional structure diagram of the invention.
Fig. 2 is main view of the invention.
Fig. 3 is the three-dimensional structure diagram of irrotationality rotary device of the present invention.
Fig. 4 is the three-dimensional structure diagram of rotating device in the present invention.
Fig. 5 is the partial schematic diagram of three-dimensional structure diagram of the present invention.
Fig. 6 is the three-dimensional structure diagram of the invention with upper rotary device.
Part isometric structural schematic diagram Fig. 7 of the invention.
Fig. 8 present invention and the three-dimensional structure diagram of rotating device cooperation.
Fig. 9 is the three-dimensional structure diagram of elastic clamp hand in the present invention.
Appended drawing reference: 1, track；2, trolley is examined and determine；3, the first lead screw；4, movable block；5, movable plate；6, magnetic railings ruler；7,
Rack gear；8, spool gear；9, quill；10, rectangle loop bar；11, the second lead screw；12, sample panel；13, telescopic rod；14, the second electricity
Machine；15, third motor；16, pedestal；17, transmission shaft；18, turntable；19, the first worm gear；20, the first worm screw；21, gauge orifice；
22, T shape sliding slot；23, T-shaped slider；24, third lead screw；25, master gear；26, transition gear；27, first bevel gear；28, second
Bevel gear；29, the second worm gear；30, the second worm screw；31, driving handle；32, elastic clamp hand；33, first motor；34, the 4th electricity
Machine.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
Embodiment one, in conjunction with attached drawing 1-9, a kind for the treatment of level dosimeter detection high-precision detecting platform, including a cross
To the track 1 of setting and a calibrating trolley 2, trolley integrally uses aluminum material, and scattering, which is effectively reduced, to be influenced, which is characterized in that
Lateral rotation connects one first lead screw 3 in the track 1, gives position and the structure of the first lead screw 3 in attached drawing, but not
The threaded line on lead screw is skidded off in the accompanying drawings, and the calibrating trolley 2 is threadedly engaged and slides laterally with the first lead screw 3 including one
The movable block 4 being connected in track 1,4 screw thread of movable block wear the first lead screw 3, and concordant with bottom surface in track 1, first
When lead screw 3 rotates, movable block 4 not can be carried out rotation by guide rail limitation, and movement at this time can only transversely be fed, herein
It should be noted that the screw thread of the first lead screw 3 herein should be arranged intensively, described to ensure Adjustment precision to guarantee precision
The upper end longitudinal sliding motion of movable block 4 connect a movable plate 5, meet movable plate 5 only with respect to 4 longitudinal sliding motion of movable block, it is mobile
It is " T " shaped draw runner that the upper end of block 4, which is longitudinally connected with section, and it is " T " shaped slideway that the upper end of movable plate 5, which is longitudinally provided with section,
The two cooperates, so that movable plate 5 does the displacement on longitudinal direction relative to movable block 4, and can guarantee in a lateral direction,
Disengaging in transverse direction does not occur for movable block 4 and movable plate 5, and the upper end of the movable plate 5 connects a magnetic railings ruler 6, described
It is electrically connected between magnetic railings ruler 6 and signal processing unit, magnetic railings ruler 6 is by the magnetic scale that is layered on optical substrate and is mounted on calibrating trolley
On 2 magnetic sensor composition, magnetic scale be it is accurately equidistant on special material be magnetized to the ruler with the pole N, S,
There is special magnetic material on magnetic scale, and be easily installed in advance equipped with special viscose glue, magnetic scale and magnetic sensor form one
A opening, robust positioning measurment system, with easy for installation, moisture resistance, resistant to liquid, oil resistant, dust-proof and earthquake-proof, Gao Ling
The advantages that sensitivity, high-resolution, real time data processing, the precision that magnetizes of magnetic scale are .mm, and the resolution ratio of magnetic sensor is .mm,
So magnetic railings ruler 6, which is added, feeds back to control unit for distance, the range accuracy of the present apparatus can be largely improved, to mention
How high measurement accuracy uses as magnetic railings ruler 6, belongs to the prior art, and those skilled in the art can be easily achieved
, herein with regard to no longer being repeated, those skilled in the art's is not imposing herein, the left and right of 5 lower end of movable plate
The part of the sliding slot of T shape is avoided in the longitudinally connected rack gear 7 in side, the lower end of movable plate 5, and left and right ends connect rack gear 7, rack gear 7
Extended along longitudinal direction, two groups are engaged with below the rack gear 7 and is respectively placed in 3 front and back side of the first lead screw and lateral rotation connection
Spool gear 8 in track 1, spool gear 8 are rotatably connected in track 1, and are engaged with rack gear 7 thereon, and movable plate 5 is in transverse direction
Movement on direction, due to the specificity of 7 structure of spool gear 8 and rack gear, the transverse shifting of movable plate 5 is unaffected, and longitudinal
Movement can realize that the upper end rotation connection of the movable plate 5 is a set of by the cooperation between rack gear 7 and spool gear 8
Cylinder axis 9, the percutaneous V belt translation of the quill 9 connect the output shaft of first motor 33, and first motor 33 is mounted on movable plate 5,
Intrinsic belt pulley is covered on the output shaft and quill 9 of first motor 33, and belt, the movement are arranged between two groups of belt pulleys
Four groups of rectangle loop bars 10 are evenly equipped with outside the upper end edge quill 9 of plate 5, the threaded upper ends of the quill 9 are with unification second
Thick stick 11,11 upper end of the second lead screw connect a sample plate 12, and the lower end of the sample panel 12 is connected with four groups and rectangular sleeve
Bar 10 slides vertically the telescopic rod 13 of cooperation, and the sliding on vertical direction and not can occur between rectangle loop bar 10 and telescopic rod 13
It is detached from, it is ensured that the two does not depart from, then needs the terminal point being slidably matched in the two, and limiting device is added, limit dress herein
It sets and can be one group of mutually matched stop collar, when quill 9 is rotated with first motor 33, the second lead screw 11 and sample panel 12
It due to the limitation of rectangle loop bar 10 and telescopic rod 13 below, cannot rotate, then at this point, the second lead screw 11 occurs vertically
Feeding on direction, the position completed on vertical direction are adjusted；
Coaxially connected second motor 14 of first lead screw 3, the coaxially connected third motor 15 of the spool gear 8, described
One motor 33, the second motor 14, third motor 15 are all connected with controller, first motor 33, the second motor 14 and third motor 15
It can receive feedback, via controller controls first motor 33, and the second motor 14 and third motor 15 make corresponding movement, thus real
Now precisely adjust；
Dosimeter bracket is mounted on calibrating 2 appropriate location of trolley, herein, it would be desirable to sample stage will be mounted between dosimeter
On, then dosimeter probe is fixed on bracket, software is controlled by remote controler or computer and adjusts dosimeter probe positions, is made
Dosimeter probe active centre is aligned with radiation source beam centre, is controlled by the mobile control of three-dimensional and rotation, is measured radiation field
Dosage distribution carries out calibration to dosimeter.
Embodiment two, on the basis of example 1, in conjunction with attached drawing 1-9, the upper end of the sample stage is provided with removable
The rotating device unloaded, some dosimeters need to carry out rotational sequence, so need to be added rotating device, but some dosimeters are again
It does not need, then at this point, this rotating device is sought to removably, the rotating device includes pedestal 16, the bottom
16 upper ends of seat are rotatablely connected a transmission shaft 17, and the upper end of the transmission shaft 17 connects a turntable 18, and turntable 18 can be used to
Fixed sample holder, then fixes sample, the transmission shaft 17 is coaxially arranged one first worm gear 19, described on sample holder
First worm gear 19 engagement one is rotatably connected on the first worm screw 20 on pedestal 16, first worm screw 20 be mounted on pedestal 16
On the 4th motor 34 output shaft it is coaxially connected, must for this rotating device be by worm gear-endless screw structure come realize turn
To；
The sample stage upper end offers multiple groups gauge orifice 21, and the gauge orifice 21 on the pedestal 16 and sample stage cooperates structure
At detachable structure, gauge orifice 21 is offered on the turntable 18, the various instrument supports of installation, sample herein can be facilitated
It is opened on platform to the bracket that installs instruments, when needing to carry out rotational sequence, we can use gauge orifice 21 for above-mentioned rotation
The pedestal 16 of device is mounted on sample stage, then sample holder is installed on turntable 18 in the rotating device, to fixation
Sample, in this way, be achieved that the work of rotary operation.
Embodiment three, on the basis of example 1, in conjunction with attached drawing 1-9, the upper end of the sample stage is provided with removable
The rotating device unloaded, some dosimeters need to carry out rotational sequence, so need to be added rotating device, but some dosimeters are again
It does not need, then at this point, this rotating device is sought to removably, the rotating device includes pedestal 16, the bottom
16 upper ends of seat are rotatablely connected a transmission shaft 17, and the upper end of the transmission shaft 17 connects a turntable 18, and turntable 18 can be used to
Fixed sample holder, then fixes sample, the transmission shaft 17 is coaxially arranged one first worm gear 19, described on sample holder
First worm gear 19 engagement one is rotatably connected on the first worm screw 20 on pedestal 16, first worm screw 20 be mounted on pedestal 16
On the 4th motor 34 output shaft it is coaxially connected, must for this rotating device be by worm gear-endless screw structure come realize turn
To；
The sample stage upper end edge radial equipartition is provided with four groups of T shape sliding slots 22, and one T shape of sliding is sliding in the T shape sliding slot 22
Block 23, the cooperation of T shape sliding slot 22 and T-shaped slider 23 is so that T-shaped slider 23 can only be moved along direction, the T shape
One screw thread of rotation connection wears the third lead screw 24 of T-shaped slider 23 in sliding slot 22, and third lead screw 24 is along its 22 place side of T shape sliding slot
To being rotatablely connected, wherein 24 screw thread of third lead screw wears T-shaped slider 23, and the rotation of third lead screw 24 can drive T-shaped slider
23 are displaced along respective direction, and the lower end of the sample panel 12 rotates coaxially one master gear 25 of connection, master gear 25 and sample
First lead screw 3 of sample platform lower end is coaxially disposed, and master gear 25 is connected on the sleeve of sample stage lower end rotation connection, described
Four groups of transition gears being rotatably connected on sample stage 26 are uniformly engaged with outside master gear 25, the transition gear 26 is coaxially connected
The shaft of one first bevel gear 27, the coaxially connected second bevel gear 28 of third lead screw 24, third lead screw 24 extends, and
Second bevel gear 28 is connected in end, the first bevel gear 27 and second bevel gear 28 engage, and the master gear 25 is same
One second worm gear 29 of axis connection, the second worm gear 29 rotates coaxially the lower section for being connected to master gear 25, and is coaxially mounted on sleeve,
Second worm gear 29 engagement one is rotatably connected on the second worm screw 30 of sample stage lower end, and second worm screw 30 coaxially connects
A driving handle 31 is connect, adjusting can be realized by rotate driving handle 31；
The direction at T-shaped slider 23 upper end towards the sample stage center is connected with an elastic clamp hand 32, meets four groups of elasticity clamp hands
32 limit the movement of pedestal 16 with the cooperation of pedestal 16, and as shown in the picture, the shape of elastic clamp hand 32 is as shown, four groups of elastic clips
Hand 32 is stuck by the surrounding progress of pedestal 16, so that it is guaranteed that the stability of pedestal 16,18 upper end of turntable offers mark
Quasi- hole 21 can facilitate the various instrument supports of installation, then install instruments on bracket together, gripping mechanism herein makes us
Remove from the problem of carrying out bolt installation rotating device on sample stage, pedestal 16 need to be only placed on sample stage, even if placing
And it is irregular, can be adjusted and clamp by four groups of elasticity clamp hands 32, it is convenient and reliable, it is practical, finished in use, turn
Dynamic driving handle 31, takes down rotating device.
Example IV, on the basis of embodiment three, elastoplastic or spring is may be selected in the material of the elasticity clamp hand 32
Piece.
In the use of the present invention, sample holder is fixedly mounted on when needing to measure calibrating to dosimeter sample
On sample stage, but when needing to carry out rotational sequence, pedestal 16 can be mounted on sample stage by we, can also be by turning
Dynamic driving handle 31, the second worm screw 30 of driving drives the second worm gear 29 to be rotated, while master gear 25 being driven to drive transition tooth
Wheel 26 is rotated, and transition gear 26 is rotated through the rotate driving third lead screw 24 of first bevel gear 27 and second bevel gear 28,
To realize the purpose that T-shaped slider 23 is moved along respective direction, four groups of T-shaped sliders 23 are firmly stuck by pedestal 16, by rotating dress
It sets and is fixed, then sample holder is installed, then sample is installed on sample holder on turntable 18, then passes through controller
First motor 33, the second motor 14 and third motor 15, the 4th motor 34 are adjusted, to realize the tune of the position on three directions
Section, and the angle position of rotation are carrying out elaborate position adjusting by the feedback of ruler for drawing grids, thus make to position it is more accurate,
Then it is being examined and determine, using finishing, is being restored to initial position.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind for the treatment of level dosimeter detection high-precision detecting platform, the track (1) being laterally arranged including one and a calibrating
Trolley (2), which is characterized in that the interior lateral rotation of the track (1) connects one first lead screw (3), the calibrating trolley (2)
Including one and first lead screw (3) be threadedly engaged and slide laterally the movable block (4) being connected in track (1), the movable block
(4) upper end longitudinal sliding motion connects a movable plate (5), meets movable plate (5) only with respect to movable block (4) longitudinal sliding motion, described
The upper end of movable plate (5) connects a magnetic railings ruler (6), is electrically connected between the magnetic railings ruler (6) and signal processing unit, the shifting
The longitudinally connected rack gear (7) of the left and right sides of movable plate (5) lower end, the rack gear (7) lower section are engaged with two groups and are respectively placed in first
Side and lateral rotation are connected to the spool gear (8) in track (1) before and after lead screw (3), and the upper end of the movable plate (5), which rotates, to be connected
It connects a quill (9), the output shaft of percutaneous V belt translation connection first motor (33) of the quill (9), the movable plate (5)
Four groups of rectangle loop bars (10) are evenly equipped with outside upper end edge quill (9), the threaded upper ends of the quill (9) are with unification second
Thick stick (11), the second lead screw (11) upper end connect a sample plate (12), and the lower end of the sample panel (12) is connected with four groups
The telescopic rod (13) of cooperation is slid vertically with rectangle loop bar (10)；
Coaxially connected second motor (14) of first lead screw (3), the coaxially connected third motor (15) of spool gear (8),
The first motor (33), the second motor (14), third motor (15) are all connected with controller.
2. a kind for the treatment of level dosimeter detection high-precision detecting platform according to claim 1, which is characterized in that institute
The upper end for the sample stage stated is provided with dismountable rotating device, and the rotating device includes pedestal (16), the pedestal
(16) upper end of upper end rotation connection one transmission shaft (17), the transmission shaft (17) connects a turntable (18), the biography
Moving axis (17) is coaxially arranged one first worm gear (19), and the first worm gear (19) engagement one is rotatably connected on the on pedestal (16)
The output shaft of one worm screw (20), first worm screw (20) and the 4th motor (34) being mounted on pedestal (16) coaxially connects
It connects；
The sample stage upper end offers multiple groups gauge orifice (21), the gauge orifice (21) on the pedestal (16) and sample stage
Cooperation constitutes detachable structure, offers gauge orifice (21) on the turntable (18).
3. a kind for the treatment of level dosimeter detection high-precision detecting platform according to claim 1, which is characterized in that institute
The upper end for the sample stage stated is provided with dismountable rotating device, and the rotating device includes pedestal (16), the pedestal
(16) upper end of upper end rotation connection one transmission shaft (17), the transmission shaft (17) connects a turntable (18), the biography
Moving axis (17) is coaxially arranged one first worm gear (19), and the first worm gear (19) engagement one is rotatably connected on the on pedestal (16)
The output shaft of one worm screw (20), first worm screw (20) and the 4th motor (34) being mounted on pedestal (16) coaxially connects
It connects；
The sample stage upper end edge radial equipartition is provided with four groups of T shape sliding slots (22), slides a T in the T shape sliding slot (22)
Shape sliding block (23), the T shape sliding slot (22) one screw thread of interior rotation connection wear the third lead screw (24) of T-shaped slider (23), institute
The lower end for the sample panel (12) stated rotates coaxially connection one master gear (25), and the master gear (25) is uniformly engaged with four groups outside
The transition gear (26) being rotatably connected on sample stage, the coaxially connected first bevel gear (27) of transition gear (26), institute
The coaxially connected second bevel gear (28) of the third lead screw (24) stated, the first bevel gear (27) and second bevel gear (28)
Engagement, coaxially connected one second worm gear (29) of the master gear (25), one rotation connection of the second worm gear (29) engagement
The second worm screw (30) in sample stage lower end, the coaxially connected driving handle (31) of second worm screw (30)；
The direction at T-shaped slider (23) upper end towards the sample stage center is connected with an elastic clamp hand (32), meets four groups of elasticity
The movement of clamp hand (32) and pedestal (16) cooperation limitation pedestal (16), the turntable (18) upper end offers gauge orifice
(21).
4. a kind for the treatment of level dosimeter detection high-precision detecting platform according to claim 3, which is characterized in that institute
Elastoplastic or spring leaf may be selected in the material for stating elastic clamp hand (32).
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| CN201910208632.XA CN109725344A (en) | 2019-03-19 | 2019-03-19 | A kind for the treatment of level dosimeter detection high-precision detecting platform |
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