CN107676594A - Precise rotating platform for X ray CT detection device - Google Patents
Precise rotating platform for X ray CT detection device Download PDFInfo
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- CN107676594A CN107676594A CN201710994116.5A CN201710994116A CN107676594A CN 107676594 A CN107676594 A CN 107676594A CN 201710994116 A CN201710994116 A CN 201710994116A CN 107676594 A CN107676594 A CN 107676594A
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- rotating platform
- shafting
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 210000003205 muscle Anatomy 0.000 claims abstract description 31
- 239000011324 bead Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 11
- 239000013307 optical fiber Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
- F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention discloses a kind of precise rotating platform for X ray CT detection device, including：Base, the workbench being arranged on the base, the support ring for being set in the base, the jacking system being connected on the base side wall, the regulation lower margin for being arranged at the base bottom and the thrust shafting being arranged between the workbench and base, centripetal shafting, slip ring assembly.The workbench and base of the present invention uses welded-steel plate construction, and inside and outside muscle and collarette are double sandwich plate shape formula, on the premise of rigidity is met, can effectively reduce main screw lift, the motion control of state is responded faster；The turntable shafting of the present invention is made up of thrust shafting and centripetal shafting, using sealed bead bearing, it is ensured that shafting is radially, axially beated rocks precision with angle；The precise rotating platform of the present invention is directly driven by torque motor, no intermediate transmission error, while configures high-precision arc grating scale as angle feed-back element, ensures turntable Accurate Position Control and speed control.
Description
Technical field
The present invention relates to rotating driving device field, more particularly to a kind of precise rotating platform for X ray CT detection device.
Background technology
For big visual field phase contrast CT image-forming equipment optical radius more than 1 meter, it supports turntable outside dimension up to 2 meters, is most
CT reconstruction image motion artifacts caused by mechanical oscillation or kinematic error are possibly reduced, turret systems there need to be very high rigidity
And stability.In addition, shafting mechanical precision directly affects the most important index-spatial resolution of reconstruction image.
The conventional rotation supporting way of large-scale turntable has liquid, gas-static, but can introduce oil contamination, compression pump, vibration
And the problems such as noise, be not suitable for medical CT occasions, and performance is influenced by environmental temperature, long-term reliability is poor.
Common big footpath rolling bearing can only typically bear unidirectional loads, and because body cross sectional moment of inertia is relatively small,
The rigidity of structure is limited, and raceway form error is difficult control in process, and itself shafting precision cannot be guaranteed；Decussation roller axle
Hold and be widely used in recent years, though radial and axial integrated load can be born, shafting ultimate precision is not also high, public with Japanese THK
Take charge of exemplified by superfinishing level of confidentiality intersects ball collar RE60040USP types (external diameter 700mm, internal diameter 600mm, width 40mm), radially with
Axial nominal run-out tolerance is 8 μm.Therefore, it is necessary to design a kind of new shafting structure, come meet phase contrast CT high-resolution into
As requiring.
The content of the invention
Penetrated in view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing one kind for X
The precise rotating platform of line CT detection devices.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of essence for X ray CT detection device
Close turntable, including：Base, the workbench being arranged on the base, the support ring for being set in the base, it is connected to the bottom
Seat side wall on jacking system, be arranged at the regulation lower margin of the base bottom and be arranged between the workbench and base
Thrust shafting, centripetal shafting, slip ring assembly；
The centripetal shafting include vertical axis, be arranged at the radial bearing of the vertical axis periphery, be arranged at it is described centripetal
The bearing block of bearing periphery, be arranged at the bearing block periphery top collar, be arranged at the periphery bottom of the bearing block
Torque motor, the circular arc grating scale group that is arranged at the grating rod support of the vertical axis upper end and is arranged on the grating rod support
Part.
Preferably, the workbench includes the first bottom plate, be set in turn in from inside to outside on first bottom plate the
One inner ring, the first middle ring and the first outer shroud, be arranged in radiant state muscle in first between first inner ring and the first middle ring,
The first outer muscle between first middle ring and the first outer shroud is arranged in radiant state and is arranged at upper on first outer shroud
Panel.
Preferably, the base includes the second bottom plate, second be set in turn in from inside to outside on second bottom plate
Inner ring, the second middle ring and the second outer shroud, in radiant state it is arranged at muscle in second between second inner ring and the second middle ring, is in
Radiant state is arranged at the second outer muscle and the interspersed cabling being arranged in the base between second middle ring and the second outer shroud
Pipe.
Preferably, muscle in described first, the first outer muscle, muscle, the second outer muscle, the first inner ring, the first middle ring, in second
One outer shroud, the second inner ring, the second middle ring and the second outer shroud are double fastener laminate, and the double fastener laminate includes two blocks of side plates, affixed
Square steel tube among two blocks of side plates and the backing plate for being connected to two pieces of side plate bottoms.
Preferably, the thrust shafting is sealed bead bearing, and it includes the upper bearing (metal) being bonded with the workbench lower surface
Ring, the lower axle carrier ring being bonded with the base upper surface, the first holding being arranged between the upper bearing (metal) ring and lower axle carrier ring
Frame and the first solid matter ball.
Preferably, the support ring is set in the base upper periphery, the upper surface of the support ring with it is described
Workbench bottom surface is bonded；The jacking system is including multigroup, circumferentially on the outer wall of the base.
Preferably, the slip ring assembly includes slip ring main body, power brush, signal brush and optical fiber end, the slip ring main body
The bottom surface of the workbench is fixed by screws in, to coordinate with the external cylindrical surface of the upper bearing (metal) ring；The power brush, signal
Brush and optical fiber end are fixed on the base.
Preferably, the radial bearing is sealed bead bearing, and it includes the outer bearing being bonded with the inner circumferential of the bearing block
Ring, the inner bearing collar being bonded with the periphery of the vertical axis, be arranged between the outer collar bearing and interior outer collar bearing second
Retainer and the second solid matter ball.
Preferably, the torque motor is split type that its stator terminal is fixed on base, its rotor-end and the bearing
The periphery bottom connection of seat.
Preferably, the periphery of the collar and the inwall of the first inner ring of the workbench are affixed, the collar it is interior
It is all to be connected with the periphery top of the bearing block.
The beneficial effects of the invention are as follows：
(1) workbench and base of the invention use welded-steel plate construction, and inside and outside muscle and collarette are double sandwich plate shape formula,
By the optimization design to structure, on the premise of rigidity is met, efficiency reduces main screw lift, rings the motion control of state
Should faster；
(2) turntable shafting of the invention is made up of thrust shafting and centripetal shafting, using sealed bead bearing, it is ensured that shafting
Radially, axially bounce and angle rock precision；
(3) precise rotating platform of the invention is directly driven by torque motor, no intermediate transmission error, while configures high accuracy circular
Arc grating scale ensures turntable Accurate Position Control and speed control as angle feed-back element；
(4) load of precise rotating platform of the invention transmits power, control and image data by slip ring assembly, and in base
Inside arrangement square steel tube, separates strong and weak electricity, cabling is safe, reasonable, hidden, compact-sized.
Brief description of the drawings
Fig. 1 is the sectional view of the precise rotating platform for X ray CT detection device of the present invention；
Fig. 2 is the structural representation of the workbench of the present invention；
Fig. 3 is the structural representation of the double fastener laminate of the present invention；
Fig. 4 is the enlarged diagram at A in Fig. 1 of the invention；
Fig. 5 is the enlarged diagram at B in Fig. 1 of the invention；
Fig. 6 is the structural representation of the base of the present invention；
Fig. 7 is the structural representation of the support ring of the present invention.
Description of reference numerals：
10-workbench；11-top panel；12-the first inner ring；13-the first middle ring；14-the first outer shroud；15-the first
Outer muscle；Muscle in 16-the first；17-the first bottom plate；20-thrust shafting；21-upper bearing (metal) ring；22-the first retainer；23—
First solid matter ball；24-lower axle carrier ring；30-support ring；40-base；41-the second inner ring；42-the second middle ring；43—
Second outer shroud；44-the second outer muscle；Muscle in 45-the second；46-walk spool；47-the second bottom plate；50-centripetal shafting；51—
Torque motor；52-vertical axis；53-radial bearing；54-bearing block；55-collar；56-circular arc grating scale component；57—
Grating rod support；60-regulation lower margin；70-jacking system；80-slip ring assembly；90-double fastener laminate；91-side plate；92-side
Steel pipe；93-backing plate；510-stator terminal；511-rotor-end；531-outer collar bearing；532-the second retainer；533-the second
Solid matter ball；534-inner bearing collar.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein are not precluded from one or more
The presence or addition of individual other elements or its combination.
As shown in figs. 1-7, a kind of precise rotating platform for X ray CT detection device of the present embodiment, including：Base 40,
The workbench 10 that is arranged on base 40, it is set in the support ring 30 of base 40, the jacking system being connected in the side wall of base 40
70th, the thrust shafting 20, centripetal for being arranged at the regulation lower margin 60 of the bottom of base 40 and being arranged between workbench 10 and base 40
Shafting 50, slip ring assembly 80.
Workbench 10 includes the first bottom plate 17, the first inner ring 12 being set in turn in from inside to outside on the first bottom plate 17, the
One middle ring 13 and the first outer shroud 14, in radiant state it is arranged at muscle 16 in first between the first inner ring 12 and the first middle ring 13, is in
The first outer muscle 15 that radiant state is arranged between the first middle ring 13 and the first outer shroud 14 and above being arranged on the first outer shroud 14
Plate 11.Base 40 includes the second bottom plate 47, the second inner ring 41, the second middle ring being set in turn in from inside to outside on the second bottom plate 47
42 and second outer shroud 43, it is arranged in radiant state muscle 45 in second between the second inner ring 41 and the second middle ring 42, in radiant state
The the second outer muscle 44 and interspersed be arranged in base 40 being arranged between the second middle ring 42 and the second outer shroud 43 walk spool 46.Walk
Spool 46 is used to arrange turntable motor internal power line, control line and cooling line.Muscle 16, the first outer muscle 15, second in first
Interior muscle 45, the second outer muscle 44, the first inner ring 12, the first middle ring 13, the first outer shroud 14, the second inner ring 41, the second middle ring 42 and
Two outer shrouds 43 are double fastener laminate 90, and double fastener laminate 90 includes two blocks of side plates 91, the square steel tube being welded among two blocks of side plates 91
92 and it is connected to the backing plates 93 of two pieces of bottoms of side plate 91.Workbench 10 and base 40 use welded-steel plate construction, inside and outside muscle and
Collarette is the form of double fastener laminate 90, and by the optimization design to structure, on the premise of rigidity is met, efficiency reduces complete machine weight
Amount, the motion control of state is set to respond faster.
There is very high mechanical strength using the workbench 10 and base 40 of said structure, and in light weight, manufacture and installation
Simply.
Fig. 4 gives the A positions i.e. enlarged diagram of thrust shafting 20 in Fig. 1.Thrust shafting 20 is sealed bead bearing, and it is wrapped
Include the upper bearing (metal) ring 21 being bonded with the lower surface of workbench 10, the lower axle carrier ring 24 being bonded with the upper surface of base 40, be arranged at upper axle
The first retainer 22 and the first solid matter ball 23 between carrier ring 21 and lower axle carrier ring 24.Wherein, bearer ring and the first solid matter roll
The contact surface of pearl 23 is plane, and ball quantity is calculated by Hertz contact stress formula.The mating surface of upper bearing (metal) ring 21 and workbench 10
After scraping reaches appropriate contact rigidity, with screw fasten combine, then the working face of bearer ring 21 is ground, grind plus
Work, it is readily available high flatness.The process sequence of lower axle carrier ring 24 and base 40 is similarly such.
Sealed bead bearing compares general rolling bearing, and feature is：(1) local error of each element is averaged in close pearl in bearing
Under effect effect, shaft precision influences smaller；(2) certain magnitude of interference is reserved inside and outside sealed bead bearing during ring design, can be carried
The rotating accuracy and rigidity of high main shaft.
Support ring 30 is set in the upper periphery of base 40, and the upper surface of support ring 30 is bonded with the bottom surface of workbench 10, branch
Pushing out ring 30 is welded by some doughnut-shaped steel plates and gusset；Jacking system 70 is including multigroup, circumferentially in the outer of base 40
On wall.To avoid carrying and the damage to thrust shafting 20 being vibrated in transportation, with multigroup jacking system 70 of circle distribution
Support ring 30 is jacked up, to hold up workbench 10, upper bearing (metal) ring 21 is separated with the small―gap suture of the first solid matter ball 23, so as to protect axle
It is critical component, during turntable normal work, support ring 30 is fallen, can be played by filling seal felt in the upper end of support ring 30
Dustproof effect.
Fig. 5 gives the enlarged diagram of the i.e. centripetal shafting 50 in B positions in Fig. 1.Centripetal shafting 50 includes vertical axis 52, set
The radial bearing 53 of the periphery of vertical axis 52 is placed in, the bearing block 54 of the periphery of radial bearing 53 is arranged at, is arranged at bearing block 54
The collar 55 on periphery top, be arranged at bearing block 54 periphery bottom torque motor 51, be arranged at the light of the upper end of vertical axis 52
Grid rod support 57 and the circular arc grating scale component 56 being arranged on grating rod support 57.Coaxial cooperation between above-mentioned each shafting component, lead to
Cross flange distribution mode connects for screw.Radial bearing 53 is sealed bead bearing, and it includes the outer collar bearing being bonded with the inner circumferential of bearing block 54
531st, the inner bearing collar 534 that is bonded with the periphery of vertical axis 52, it is arranged between outer collar bearing 531 and interior outer collar bearing 531
Second retainer 532 and the second solid matter ball 533.Outer collar bearing 531, interior outer collar bearing 531 connect with the second solid matter ball 533
Contacting surface is the face of cylinder, and to eliminate radial clearance, 5~10 μm of magnitudes of interference are reserved between interior outer collar bearing and solid matter ball.It is accurate
Turntable is directly driven by torque motor 51, no intermediate transmission error, while configures high-precision arc grating scale as angle feed-back
Element, ensure turntable Accurate Position Control and speed control.
Torque motor 51 is split type, and its stator terminal 510 is fixed on base 40, its rotor-end 511 and bearing block 54
Periphery bottom connects.Vertical axis 52 is located by connecting with base 40 by flange.In the periphery of collar 55 and the first of workbench 10
The inwall of ring 12 is affixed, can be affixed using welding manner, and the inner circumferential of collar 55 is connected cooperation with the periphery top of bearing block 54.
Slip ring assembly 80 includes slip ring main body, power brush, signal brush and optical fiber end, and slip ring main body is fixed by screws in work
Make the bottom surface of platform 10, to coordinate with the external cylindrical surface of upper bearing (metal) ring 21；Power brush, signal brush and optical fiber end are fixed on base 40
On.The electrical load module of the precise rotating platform of the present invention transmits power, control and image data by slip ring assembly 80.
Turntable shafting is made up of thrust shafting 20 and centripetal shafting 50, using sealed bead bearing, it is ensured that shafting radial direction, axle
Precision is rocked to bounce and angle.
The operation principle of precise rotating platform of the present invention is：Torque motor 51 transmits torque to workbench by bearing block 54
10, its rotation is driven, axial direction, circular runout and the rolling angle error of turntable are processed and assembled by thrust shafting 20 and centripetal shafting 50
Precision controlling, the rotational angle positioning precision and rotary speed precision of turntable are obtained by the feedback of circular arc grating scale component 56.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details.
Claims (10)
- A kind of 1. precise rotating platform for X ray CT detection device, it is characterised in that including：Base, it is arranged on the base Workbench, be set in the support ring of the base, the jacking system being connected on the base side wall, be arranged at the base The regulation lower margin of bottom and the thrust shafting being arranged between the workbench and base, centripetal shafting, slip ring assembly；The centripetal shafting includes vertical axis, is arranged at the radial bearing of the vertical axis periphery, is arranged at the radial bearing The bearing block of periphery, be arranged at the bearing block periphery top collar, be arranged at the bearing block periphery bottom power Torque motor, the grating rod support for being arranged at the vertical axis upper end and the circular arc grating scale component being arranged on the grating rod support.
- 2. the precise rotating platform according to claim 1 for X ray CT detection device, it is characterised in that the workbench Including the first bottom plate, the first inner ring being set in turn in from inside to outside on first bottom plate, the first middle ring and the first outer shroud, it is in Radiant state is arranged at muscle in first between first inner ring and the first middle ring, first middle ring is arranged in radiant state and The first outer muscle between first outer shroud and plate above being arranged on first outer shroud.
- 3. the precise rotating platform according to claim 2 for X ray CT detection device, it is characterised in that the base bag Include the second bottom plate, the second inner ring being set in turn in from inside to outside on second bottom plate, the second middle ring and the second outer shroud, in spoke Penetrate muscle in state is arranged between second inner ring and the second middle ring second, second middle ring be arranged in radiant state and The second outer muscle and interspersed be arranged in the base between two outer shrouds walk spool.
- 4. the precise rotating platform according to claim 3 for X ray CT detection device, it is characterised in that in described first Muscle, the first outer muscle, muscle in second, the second outer muscle, the first inner ring, the first middle ring, the first outer shroud, the second inner ring, the second middle ring and Second outer shroud is double fastener laminate, and the double fastener laminate includes two blocks of side plates, the square steel tube being fixed among two blocks of side plates And it is connected to the backing plate of two pieces of side plate bottoms.
- 5. the precise rotating platform according to claim 1 for X ray CT detection device, it is characterised in that the thrust axis It is for sealed bead bearing, its upper bearing (metal) ring for including being bonded with the workbench lower surface, is bonded down with the base upper surface Bearer ring, the first retainer and the first solid matter ball being arranged between the upper bearing (metal) ring and lower axle carrier ring.
- 6. the precise rotating platform according to claim 1 for X ray CT detection device, it is characterised in that the support ring It is set in the base upper periphery, the upper surface of the support ring is bonded with the workbench bottom surface；The jacking system Including multigroup, circumferentially on the outer wall of the base.
- 7. the precise rotating platform according to claim 5 for X ray CT detection device, it is characterised in that the slip ring group Part includes slip ring main body, power brush, signal brush and optical fiber end, and the slip ring main body is fixed by screws in the bottom of the workbench Face, to coordinate with the external cylindrical surface of the upper bearing (metal) ring；The power brush, signal brush and optical fiber end are fixed on the base.
- 8. the precise rotating platform according to claim 1 for X ray CT detection device, it is characterised in that described to mandrel Hold as sealed bead bearing, its outer collar bearing for including being bonded with the inner circumferential of the bearing block, be bonded with the periphery of the vertical axis Inner bearing collar, the second retainer being arranged between the outer collar bearing and interior outer collar bearing and the second solid matter ball.
- 9. the precise rotating platform according to claim 1 for X ray CT detection device, it is characterised in that the torque electricity Machine is split type, and its stator terminal is fixed on base, and its rotor-end is connected with the periphery bottom of the bearing block.
- 10. the precise rotating platform according to claim 1 for X ray CT detection device, it is characterised in that the collar Periphery and the inwall of the first inner ring of the workbench are affixed, and the inner circumferential of the collar and the periphery top of the bearing block connect Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710994116.5A CN107676594B (en) | 2017-10-23 | 2017-10-23 | Precise turntable for X-ray CT detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710994116.5A CN107676594B (en) | 2017-10-23 | 2017-10-23 | Precise turntable for X-ray CT detection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107676594A true CN107676594A (en) | 2018-02-09 |
| CN107676594B CN107676594B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710994116.5A Active CN107676594B (en) | 2017-10-23 | 2017-10-23 | Precise turntable for X-ray CT detection equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107972605A (en) * | 2017-11-21 | 2018-05-01 | 上海航天测控通信研究所 | A kind of high accuracy vehicle-mounted rotating table |
| CN109282118A (en) * | 2018-11-09 | 2019-01-29 | 中国科学院长春光学精密机械与物理研究所 | Precise rotating platform shafting |
| CN110044238A (en) * | 2019-05-23 | 2019-07-23 | 洛阳普瑞森精密轴承有限公司 | A kind of crossed roller bearing clearance measuring apparatus |
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| CN103267510A (en) * | 2013-05-31 | 2013-08-28 | 中国科学院长春光学精密机械与物理研究所 | Electric jacking device for photoelectric theodolite |
| CN104570316A (en) * | 2014-12-30 | 2015-04-29 | 中国科学院长春光学精密机械与物理研究所 | Automatic three-lens switchover mechanism for vehicle-mounted self-adapting optical imaging telescope |
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| JP2005147379A (en) * | 2003-11-20 | 2005-06-09 | Okamoto Machine Tool Works Ltd | Air spindle |
| CN101832333B (en) * | 2010-04-06 | 2012-11-21 | 哈尔滨量具刃具集团有限责任公司 | Anti-impact dense ball static pressure proportion control mixing bearing |
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| CN107972605A (en) * | 2017-11-21 | 2018-05-01 | 上海航天测控通信研究所 | A kind of high accuracy vehicle-mounted rotating table |
| CN109282118A (en) * | 2018-11-09 | 2019-01-29 | 中国科学院长春光学精密机械与物理研究所 | Precise rotating platform shafting |
| CN109282118B (en) * | 2018-11-09 | 2020-04-10 | 中国科学院长春光学精密机械与物理研究所 | Precision rotary table shaft system |
| CN110044238A (en) * | 2019-05-23 | 2019-07-23 | 洛阳普瑞森精密轴承有限公司 | A kind of crossed roller bearing clearance measuring apparatus |
| CN110044238B (en) * | 2019-05-23 | 2023-12-01 | 洛阳普瑞森精密轴承有限公司 | Cross roller bearing play measuring instrument |
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