CN110058405A - A kind of high speed rotation bias light wave reflection mechanism - Google Patents
A kind of high speed rotation bias light wave reflection mechanism Download PDFInfo
- Publication number
- CN110058405A CN110058405A CN201910274483.7A CN201910274483A CN110058405A CN 110058405 A CN110058405 A CN 110058405A CN 201910274483 A CN201910274483 A CN 201910274483A CN 110058405 A CN110058405 A CN 110058405A
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- Prior art keywords
- high speed
- eccentric
- light wave
- brake assemblies
- speed rotation
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The present invention discloses a kind of high speed rotation bias light wave reflection mechanism, including frame, brake assemblies and eccentric mirror assembly；Frame is connect with agile imaging equipment frame, and brake assemblies are fixed on said frame, and eccentric mirror assembly is connected with brake assemblies；Eccentric mirror assembly includes eccentric tilted block, reflecting mirror, rotary shaft, eccentric tilted block includes horizontal plane and inclined surface, slanted angle is set between horizontal plane and inclined surface, and the horizontal plane of eccentric tilted block is connect by rotary shaft with brake assemblies, and reflecting mirror is arranged on the inclined surface of eccentric tilted block；Brake assemblies drive reflecting mirror to rotate around rotating shaft axis；The present invention uses the surface sweeping design of high-speed annular inclined surface, double-layer scaffold modular removable installation method and counterweight part structural adjustment trim scheme, it realizes rotating eccentricity tilting mirror mechanism module Fast Installation and later maintenance, and solves the vibration of dissymmetrical structure bring and noise problem realization high speed steady running.
Description
Technical field
The present invention relates to the long-range fast imaging techniques fields of Terahertz, and in particular to a kind of high speed rotation bias light wave reflection
Mechanism.
Background technique
THz wave be located at microwave and it is infrared between.Since it is not readily susceptible to the scattering of suspended particulate and smog in air
It influences, ionization damage will not be generated to biological tissue；And THz wave readily penetrates through various clothings, therefore THz imaging technology exists
Many fields all have unique application prospect, especially human body safety check and in terms of.
At present in terms of passive type human body Terahertz safety check instrument, high speed rotation bias light wave reflection mechanism is a wherein core
Component provides the scanning of human body oval cross section for complete machine, but existing high speed rotation bias light wave reflection mechanism is since its is asymmetric
Structure is also easy to produce strenuous vibration or noise in rotary course, to influence normal detection effect.
In view of the above drawbacks, creator of the present invention obtains the present invention by prolonged research and practice finally.
Summary of the invention
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, provides a kind of high speed rotation bias light wave
Reflecting mechanism, including frame, brake assemblies and eccentric mirror assembly；The frame is connect with agile imaging equipment frame, the system
Dynamic component is fixed on said frame, and the bias mirror assembly is connected with the brake assemblies；The bias mirror assembly includes inclined
Heart tilted block, reflecting mirror, rotary shaft, the bias tilted block includes horizontal plane and inclined surface, the horizontal plane and the inclination
Slanted angle is set between face, and the horizontal plane of the bias tilted block is connected by the rotary shaft and the brake assemblies
It connects, the reflecting mirror is arranged on the inclined surface of the eccentric tilted block；The brake assemblies drive the reflecting mirror around
The rotating shaft axis rotation.
Preferably, the end face on the reflecting mirror far from the inclined surface is set as polishing mirror surface.
Preferably, the bias mirror assembly further includes clump weight, the circumference side of the bias tilted block is provided with annular
Dovetail groove, the clump weight include interconnecting piece and counterweight part, and the interconnecting piece is equipped with the annular dovetail slot, described to match
Weight portion is connected with the interconnecting piece, and the clump weight can be along the annular dovetail slot annular movement.
Preferably, the clump weight center is also provided with the threaded hole through the clump weight.
Preferably, the annular dovetail slot setting is jagged, the interconnecting piece is set to the annular by the notch
In dovetail groove.
Preferably, the bias mirror assembly further includes optoelectronic switch baffle, the optoelectronic switch baffle is set as L-type knot
Structure, and be fixed at the marginal position of the reflecting mirror.
Preferably, the frame includes upper beam, lower beam, fixing piece, the upper beam is parallel with the lower beam to be set
Set, the upper beam and the lower beam are fixedly connected by the fixing piece, the brake assemblies be fixed on it is described under
On crossbeam, the upper beam and the lower beam are provided with corresponding connecting hole, and it is real that the rotary shaft passes through the connecting hole
The connection of the existing eccentric tilted block and the brake assemblies.
Preferably, the fixing piece includes longitudinally reinforced plate, lateral stiffening plate, the longitudinally reinforced plate adds with the transverse direction
Strong plate, which vertically connect, forms T-type structure, the both ends of the longitudinally reinforced plate and the transverse direction stiffening plate respectively with the upper cross
Beam, the lower beam are fixedly connected.
Preferably, the brake assemblies include diaphragm coupling, servo motor bracket and servo motor, the servo motor
It is fixedly connected by the servo motor bracket with the frame, the servo motor passes through the diaphragm coupling and the rotation
Shaft connection.
Preferably, the bias mirror assembly further includes bearing assembly, the bearing assembly corresponds to the connecting hole fixation and sets
It is placed between the upper beam and the lower beam, the rotary shaft is set in the bearing assembly.
Compared with the prior art the beneficial effects of the present invention are: 1, the configuration of the present invention is simple is easy to implement installation, carry out
The maintenance in later period；2, the present invention use the surface sweeping design of high-speed annular inclined surface, double-layer scaffold modular removable installation method with
And counterweight part structural adjustment trim scheme, realize rotating eccentricity tilting mirror mechanism module Fast Installation and later maintenance, and solve
The vibration of dissymmetrical structure bring and noise problem realize high speed steady running.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the high speed rotation bias light wave reflection mechanism；
Fig. 2 is the structural schematic diagram of the upper beam；
Fig. 3 is the structural schematic diagram of the frame；
Fig. 4 is the side view of the eccentric tilted block；
Fig. 5 is the stereochemical structure view of the eccentric tilted block；
Fig. 6 is the structural schematic diagram of the clump weight；
Fig. 7 is the structural schematic diagram of the optoelectronic switch baffle；
Fig. 8 is the structural schematic diagram of the servo motor bracket.
Digital representation in figure:
1- upper beam；2- lower beam；The longitudinally reinforced plate of 3-；4- transverse direction stiffening plate；5- bias mirror assembly；6- diaphragm shaft coupling
Device；7- servo motor bracket；8- servo motor；50- bias tilted block；51- reflecting mirror；52- clump weight；53- rotary shaft；54-
Bearing assembly；55- optoelectronic switch baffle.
Specific embodiment
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
Embodiment one
As shown in FIG. 1, FIG. 1 is the structural schematic diagrams of the high speed rotation bias light wave reflection mechanism；Height of the present invention
Fast rotating eccentricity light wave reflection mechanism includes upper beam 1, lower beam 2, longitudinally reinforced plate 3, lateral stiffening plate 4, eccentric mirror assembly
5, diaphragm coupling 6, servo motor bracket 7 and servo motor 8；The upper beam 1 and the lower beam 2 are added by the longitudinal direction
Strong plate 3 and the lateral stiffening plate 4 are fixedly connected to form frame；The servo motor bracket 7 is fixed on the lower beam 2
On, the servo motor 8 is fixed on the servo motor bracket 7, and the bias mirror assembly 5 is fixed on the upper beam 1,
The bias mirror assembly 5 is connect with the servo motor 8 by the diaphragm coupling 6.
Specifically, as shown in Figures 2 and 3, Fig. 2 is the structural schematic diagram of the upper beam；Fig. 3 is the structure of the frame
Schematic diagram；The upper beam 1 and the lower beam 2 pass through 4 company of being fixed of the longitudinally reinforced plate 3 and the lateral stiffening plate
It connects to form frame, the upper beam 1 is placed in parallel with the lower beam 2, the longitudinally reinforced plate 3 and the lateral stiffening plate 4
Vertical connection forms one group of T-type fixing piece, and is connected between the upper beam 1 and the lower beam 2.In the upper beam 1
The heart is provided with connecting hole；Preferably, T-type connection fixture described in being symmetrically set with two groups centered on the connecting hole.
Preferably, upper surface, lower end surface, the right side of the transverse direction stiffening plate 4 are provided with threaded hole；The longitudinal direction adds
Upper surface, the lower end surface of strong plate 4 are provided with threaded hole.It is described transverse direction stiffening plate 4 and the longitudinally reinforced plate 4 on, upper surface and
The threaded hole of lower end surface realizes the connection of the T-type fixing piece Yu the upper beam 1, the lower beam 2 by screw；The cross
The company between the lateral stiffening plate 4 and the longitudinally reinforced plate 4 is realized by screw to the threaded hole of 4 right side of stiffening plate
It connects.
Embodiment two
As shown in Figure 4 and Figure 5, Fig. 4 is the side view of the eccentric tilted block；Fig. 5 is the solid of the eccentric tilted block
Topology view；The bias mirror assembly 5 includes eccentric tilted block 50, reflecting mirror 51, clump weight 52, rotary shaft 53, bearing assembly
54, optoelectronic switch baffle 55；The reflecting mirror 51 and the clump weight 52 are set on the eccentric tilted block 50, the rotation
53 both ends of axis are connect with the eccentric tilted block 50, the diaphragm coupling 6 respectively, and the bearing assembly 54 is set to the frame
On frame, the rotary shaft 53 is set in the bearing assembly 54, and the optoelectronic switch baffle 55 is arranged in the reflecting mirror 51
On.
Bias 50 upper and lower end faces of tilted block are horizontal plane and inclined surface, and the horizontal plane is lower surface and level is set
Set, the inclined surface is upper surface and favours lower surface setting at an angle, the horizontal plane and the inclined surface it
Between tilt angle size depend on imaging viewing field.
51 upper surface of reflecting mirror is polishing mirror surface, and the reflecting mirror 51 is provided with counterbore；The bias tilted block 50
On the inclined surface is provided with threaded hole, the horizontal plane is provided with T-type counter sink；It will be described by screw
The reflecting mirror 51 can be achieved described in threaded hole mating connection on counterbore on reflecting mirror 51 and the eccentric tilted block 50
Being fixedly connected on 50 inclined surface of tilted block realizes the eccentric tilted block 50 and the rotary shaft by the T-type counter sink
53 connection.The end of the rotary shaft 53 is connected with the center of the horizontal plane, the center of the horizontal plane and the polishing
The center of mirror surface is arranged on the axis of the rotary shaft 53.
As shown in fig. 6, Fig. 6 is the structural schematic diagram of the clump weight；The circumference side setting of the bias tilted block 50
There is annular dovetail slot, the clump weight 52 includes interconnecting piece and counterweight part, and the interconnecting piece is set with annular dovetail slot cooperation
It sets, the counterweight part may be configured as bulk according to demand, and 52 center of clump weight is also provided with through the clump weight 52
Threaded hole, the clump weight 52 can be along the annular dovetail slot annular movements；Due to the folder of 50 both ends of the surface of the eccentric tilted block
The uneven thickness of angle setting, the bias tilted block 50 causes center of gravity to be not on the axis of the rotary shaft 53, described inclined
It easily causes rotation unstable in the high speed rotation of heart tilted block 50, influences the normal of the high speed rotation bias light wave reflection mechanism
It uses, the setting of the clump weight 52, convenient for adjusting the whole center of gravity of the eccentric mirror assembly 5, improves 51 turns of the reflecting mirror
Dynamic stability.
The annular dovetail slot setting is jagged, convenient for the loading of the clump weight 5；The clump weight 52 passes through the ring
The notch of shape dovetail groove is installed on the circumference side of the eccentric tilted block 50；The circumference side is provided with no less than two institutes
Clump weight 52 is stated, quiet, the dynamic balancing trim of equipment are carried out by adjusting position of the clump weight 5 on the annular dovetail slot
Afterwards, the annular dovetail slot bottom is held out against to realize the clump weight by the threaded hole that screw passes through 52 center of clump weight
52 and the annular dovetail slot relative position fixation.
The rotary shaft 53 is loaded in the bearing assembly 54, the upper end of the rotary shaft 53 and the eccentric tilted block 50
Horizontal plane be connected and fixed, the lower end of the rotary shaft 53 is fixedly connected with the diaphragm coupling 6.As shown in fig. 7, Fig. 7 is
The structural schematic diagram of the optoelectronic switch baffle；The optoelectronic switch baffle 55 is set as L-type structure, and is fixed on the reflection
At the marginal position of mirror 51.The optoelectronic switch baffle 55, the servo motor 8 are connect with control system, the control system
It grasps the rotation situation of the reflecting mirror 51 by the optoelectronic switch baffle 55, and is adjusted by the servo motor 8 described
The turned position of reflecting mirror 51.
As shown in figure 8, Fig. 8 is the structural schematic diagram of the servo motor bracket；The servo motor bracket 7 is set as having
There is the U-shaped structure of fixed-wing, the servo motor bracket 7 is fixed on the lower beam 2 by the fixed-wing, the diaphragm
Shaft coupling 6 is set in the notch of the servo motor bracket 7；The servo motor bracket can protect the diaphragm coupling 6,
The connection status for stablizing the diaphragm coupling 6 and the servo motor 8, the rotary shaft 53, improves high speed of the present invention
The overall structural strength of rotating eccentricity light wave reflection mechanism.
The rotary shaft 53 is set in the bearing assembly 54；The bearing assembly 54 is fixedly installed on the upper beam
On 1；The horizontal plane of the tilted block 50 is fixedly connected on the upper end of the rotary shaft 53；The reflecting mirror 51 inclines described in being set to
On the inclined surface of skewback 50；By the servo motor bracket 7 loaded on the lower beam 2, the diaphragm coupling 6 is fixedly installed
In the lower end of the rotary shaft 53, the servo motor 8 be set on the servo motor bracket 7 and with the diaphragm coupling
6 are connected, and finally the optoelectronic switch baffle 55 is set at 51 marginal position of reflecting mirror；The high speed rotation bias light
Wave reflection mechanism is fixed on required device framework by the threaded hole of 2 both sides of the face of the upper beam 1 and the lower beam.
The present invention uses the surface sweeping design of high-speed annular inclined surface, double-layer scaffold modular removable installation method and counterweight
Structural adjustment trim scheme in portion's realizes rotating eccentricity tilting mirror mechanism module Fast Installation and later maintenance, and solves asymmetry
The vibration of structure bring and noise problem realize high speed steady running.
The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for the purpose of the present invention, and not restrictive
's.Those skilled in the art understand that in the spirit and scope defined by the claims in the present invention many changes can be carried out to it,
It modifies or even equivalent, but falls in protection scope of the present invention.
Claims (10)
1. a kind of high speed rotation bias light wave reflection mechanism, which is characterized in that including frame, brake assemblies and eccentric mirror assembly；
The frame is connect with agile imaging equipment frame, and the brake assemblies are fixed on said frame, the bias mirror assembly and
The brake assemblies connection；The bias mirror assembly includes eccentric tilted block, reflecting mirror, rotary shaft, the bias tilted block packet
Include horizontal plane and inclined surface, slanted angle be set between the horizontal plane and the inclined surface, the bias tilted block it is described
Horizontal plane is connect by the rotary shaft with the brake assemblies, and the reflecting mirror, which is arranged in described in the eccentric tilted block, to incline
On inclined-plane；The brake assemblies drive the reflecting mirror to rotate around the rotating shaft axis.
2. high speed rotation bias light wave reflection mechanism as described in claim 1, which is characterized in that far from institute on the reflecting mirror
The end face for stating inclined surface is set as polishing mirror surface.
3. high speed rotation bias light wave reflection mechanism as claimed in claim 2, which is characterized in that the bias mirror assembly also wraps
Clump weight is included, the circumference side of the bias tilted block is provided with annular dovetail slot, and the clump weight includes interconnecting piece and counterweight
Portion, the interconnecting piece are equipped with the annular dovetail slot, and the counterweight part is connected with the interconnecting piece, and the clump weight can
Along the annular dovetail slot annular movement.
4. high speed rotation bias light wave reflection mechanism as claimed in claim 3, which is characterized in that also open at the clump weight center
Equipped with the threaded hole for running through the clump weight.
5. high speed rotation bias light wave reflection mechanism as claimed in claim 3, which is characterized in that the annular dovetail slot setting
Jagged, the interconnecting piece is set in the annular dovetail slot by the notch.
6. high speed rotation bias light wave reflection mechanism as described in claim 1, which is characterized in that the bias mirror assembly also wraps
Optoelectronic switch baffle is included, the optoelectronic switch baffle is set as L-type structure, and is fixed at the marginal position of the reflecting mirror.
7. high speed rotation bias light wave reflection mechanism as described in claim 1, which is characterized in that the frame includes upper cross
Beam, lower beam, fixing piece, the upper beam are arranged in parallel with the lower beam, and the upper beam and the lower beam pass through institute
It states fixing piece to be fixedly connected, the brake assemblies are fixed on the lower beam, and the upper beam and the lower beam are equal
It is provided with corresponding connecting hole, the rotary shaft passes through the connecting hole and realizes the eccentric tilted block and the brake assemblies
Connection.
8. high speed rotation bias light wave reflection mechanism as claimed in claim 7, which is characterized in that the fixing piece includes longitudinal
Stiffening plate, lateral stiffening plate, the longitudinally reinforced plate to form T-type structure with lateral vertical connect of stiffening plate, the longitudinal direction
The both ends of stiffening plate and the lateral stiffening plate are fixedly connected with the upper beam, the lower beam respectively.
9. high speed rotation bias light wave reflection mechanism as described in claim 1, which is characterized in that the brake assemblies include film
Piece shaft coupling, servo motor bracket and servo motor, the servo motor are solid by the servo motor bracket and the frame
Fixed connection, the servo motor pass through the diaphragm coupling and the rotation axis connection.
10. high speed rotation bias light wave reflection mechanism as claimed in claim 7, which is characterized in that the bias mirror assembly is also
Including bearing assembly, the bearing assembly corresponds to the connecting hole and is fixedly installed between the upper beam and the lower beam,
The rotary shaft is set in the bearing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274483.7A CN110058405A (en) | 2019-04-04 | 2019-04-04 | A kind of high speed rotation bias light wave reflection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274483.7A CN110058405A (en) | 2019-04-04 | 2019-04-04 | A kind of high speed rotation bias light wave reflection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110058405A true CN110058405A (en) | 2019-07-26 |
Family
ID=67318507
Family Applications (1)
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|---|---|---|---|
| CN201910274483.7A Pending CN110058405A (en) | 2019-04-04 | 2019-04-04 | A kind of high speed rotation bias light wave reflection mechanism |
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Application publication date: 20190726 |
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