CN108426674A - A kind of falling bodies barycenter registration measurement comparable device - Google Patents
A kind of falling bodies barycenter registration measurement comparable device Download PDFInfo
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- CN108426674A CN108426674A CN201810363773.4A CN201810363773A CN108426674A CN 108426674 A CN108426674 A CN 108426674A CN 201810363773 A CN201810363773 A CN 201810363773A CN 108426674 A CN108426674 A CN 108426674A
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- fixedly connected
- barycenter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
- G01M1/122—Determining position of centre of gravity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V7/00—Measuring gravitational fields or waves; Gravimetric prospecting or detecting
- G01V7/14—Measuring gravitational fields or waves; Gravimetric prospecting or detecting using free-fall time
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a kind of falling bodies barycenter registrations to measure comparable device, including measuring table, the upper left end surfaces of the measuring table are respectively equipped with laser light source, casing, the upper right end surfaces of the measuring table are fixedly connected with fixed frame, the upper end face of the fixed frame is equipped with spectroscope, spectroscopical upper left end surfaces compression is connected with cotton brush, the middle part upper end face of the measuring table is fixedly connected with free bearing, the upper interior of the free bearing is equipped with shaft, the free bearing is rotatably connected to swingle by shaft, the upper left end surfaces of the swingle are fixedly connected with locating piece, the center outer surface of the swingle slidably connects guide pad by guide hole.The falling bodies barycenter registration measures comparable device, it not only realizes and carries out sliding dedusting for spectroscopical surface, but also can be squeezed in real time and cleaning solution is provided, effectively increase spectroscopical dedusting quality, the fast quick-detach for realizing cotton brush effectively increases the efficiency for replacing cotton brush.
Description
Technical field
The present invention relates to falling bodies barycenter registration fields of measurement, specially a kind of falling bodies barycenter registration is measured with reference to dress
It sets.
Background technology
In classical laser interference absolute gravimeter research, core measuring part is falling for sensitive earth gravitational field
When body due to the basic principle of gravity field measurement is based on falling bodies free-falling between the optical center and the optical center of reference prism of falling bodies
The point interference sample of formation, and gravitational field is then on the barycenter for act directly on falling bodies, therefore the optical center of falling bodies and barycenter do not weigh
Credit union introduces larger measurement error.
Currently, existing falling bodies barycenter registration measures comparable device, do not have the cotton brush slide construction of adjustable pressing force
With squash type liquid storage cavity configuration, not only cannot achieve and carry out sliding dedusting for spectroscopical surface, and can not in real time into
Row squeezes and provides cleaning solution, causes spectroscopical surface adhesion to have dust, can not ensure the reflecting effect of laser light source, separately
Outside, it swipes the card block structure without fast disassembly type cotton, when needing replacing cotton brush, cannot achieve the fast quick-detach of cotton brush, replace cotton brush
Efficiency it is relatively low.
Invention content
The purpose of the present invention is to provide a kind of falling bodies barycenter registrations to measure comparable device, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions：A kind of falling bodies barycenter registration measurement comparable device,
Including measuring table, the upper left end surfaces of the measuring table are respectively equipped with laser light source, casing, the upper right of the measuring table
End surfaces are fixedly connected with fixed frame, and the upper end face of the fixed frame is equipped with spectroscope, spectroscopical upper left end surfaces
Compression is connected with cotton brush, and the middle part upper end face of the measuring table is fixedly connected with free bearing, and the upper interior of the free bearing is set
There are shaft, the free bearing to be rotatably connected to swingle by shaft, the upper left end surfaces of the swingle are fixedly connected with positioning
The center outer surface of block, the swingle slidably connects guide pad by guide hole.
Preferably, the lower inner part of the guide pad is equipped with bearing, and the guide pad is rotatably connected to connection by bearing
The center outer surface of axis, the connecting shaft is fixedly connected with knob, and the rear surface of the connecting shaft is fixedly connected with spill spin block,
The lower inner part of the spill spin block is threaded with screw rod by threaded hole, and the rear surface of the screw rod is fixedly connected with cotton
Brush.
Preferably, the right end face of the guide pad is fixedly connected with link block, and the rear surface of the link block is fixed
It is connected with fixed bin, the inside middle of the fixed bin is equipped with liquid storage cylinder, and the right end face compression of the liquid storage cylinder is connected with crowded
Compression bar.
Preferably, the outer surface of the pressure ram slidably connects fixed bin by first through hole, under the liquid storage cylinder
Side is equipped with woven hose, and the liquid storage cylinder is connected with cotton brush by woven hose.
Preferably, the upper interior of the cotton brush is equipped with the first card slot, and the cotton brush is connected with first by the first card slot
The right end face of fixture block, first fixture block is fixedly connected with the first spring, and the upper left end surfaces of first fixture block, which are fixed, to be connected
It is connected to briquetting, the outer surface of the briquetting is run through by fourth hole is connected with screw rod.
Preferably, slide bar, the upper end face of the slide bar are slidably connected by sliding slot inside the upper right side of the cotton brush
It is fixedly connected with second spring, the upper end of the second spring is fixedly connected with sliding slot, and the lower-left end surfaces of the slide bar are equipped with
Second fixture block.
Preferably, the downside of second fixture block is connected with cutting ferrule by the second card slot, and the outer surface of the cutting ferrule passes through
Fixing groove is connected with cotton brush, and the inner surface of the cutting ferrule is socketed with woven hose.
Preferably, the upper interior of the fixed frame is equipped with the second through-hole, and the fixed frame is plugged with T by the second through-hole
Type bolt, the upside of the T-type bolt is run through by third through-hole is connected with swingle.
Preferably, the downside of the T-type bolt is symmetrical slidably connects sliding block, and the right end face of the sliding block is fixed
It is connected with compressed spring, the upper end face compression of the sliding block is connected with fixed frame.
Compared with prior art, the beneficial effects of the invention are as follows：The falling bodies barycenter registration measures comparable device, by can
The cotton brush slide construction and squash type liquid storage cavity configuration of pressure regulation clamp force are not only realized for spectroscopical surface slide and be removed
Dirt, and can be squeezed in real time and cleaning solution is provided, spectroscopical dedusting quality is effectively increased, ensure that laser light
The reflecting effect in source is realized the fast quick-detach of cotton brush, had by fast disassembly type cotton block structure of swiping the card when needing replacing cotton brush
Effect improves the efficiency for replacing cotton brush.
Description of the drawings
Fig. 1 is the overall structure facade view of the present invention；
Fig. 2 is that the spectroscope of the present invention slides dedusting structure phantom；
Fig. 3 is the T-type latch structure phantom of the present invention；
Fig. 4 is the fast disassembly type cotton brush configuration phantom of the present invention.
1, measuring table, 2 laser light sources, 3 casings, 4 free bearings, 5 swingles, 51 guide holes, 52 guide pads, 53 bearings, 54 connect
Spindle, 55 knobs, 56 spill spin blocks, 57 screw rods, 58 link blocks, 59 fixed bins, 510 liquid storage cylinders, 511 pressure rams, 512 first lead to
Hole, 513 threaded holes, 6 shafts, 7 fixed frames, 71 second through-holes, 72T types bolt, 73 third through-holes, 74 sliding blocks, 75 compressed springs,
8 cotton brushes, 81 first card slots, 82 first fixture blocks, 83 first springs, 84 fourth holes, 85 briquettings, 86 sliding slots, 87 second springs, 88
Slide bar, 89 second fixture blocks, 810 second card slots, 811 woven hoses, 812 cutting ferrules, 813 fixing grooves, 9 spectroscopes, 10 locating pieces.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of falling bodies barycenter registration measurement comparable device, packet
Measuring table 1 is included, the upper left end surfaces of measuring table 1 are respectively equipped with laser light source 2, casing 3, the upper right side table of measuring table 1
Face is fixedly connected with fixed frame 7, and the upper interior of fixed frame 7 is equipped with the second through-hole 71, and fixed frame 7 passes through 71 grafting of the second through-hole
There is T-type bolt 72, the downside of T-type bolt 72 is symmetrical to slidably connect sliding block 74, and the right end face of sliding block 74 is fixedly connected
There are compressed spring 75, the upper end face compression of sliding block 74 to be connected with fixed frame 7, the upside of T-type bolt 72 passes through third through-hole 73
Through swingle 5 is connected with, the upper end face of fixed frame 7 is equipped with spectroscope 9, and the upper left end surfaces compression of spectroscope 9 is connected with
The middle part upper end face of cotton brush 8, measuring table 1 is fixedly connected with free bearing 4, and the upper interior of free bearing 4 is rotatablely connected by shaft 6
There is swingle 5, turn right swingle 5 clockwise centered on shaft 6, waits for the bottom right end surfaces and fixed frame 7 of swingle 5
When upper-end contact, by T-type bolt 72 through the second through-hole 71, third through-hole 73, wait for that the downside of T-type bolt 72 is pierced by the second through-hole
When 71, compressed spring 75 can give the power of sliding block 74 to the left, and sliding block 74 slides along 7 surface of fixed frame and blocks T-type bolt 72
It connects, you can by 5 locking of swingle, then, rotate counterclockwise knob 55, drive spill spin block 56 to rotate counterclockwise, and pass through screw thread
Hole 513 drives screw rod 57 to move down, and drives cotton brush 8 to move down and compressed with 9 surface of spectroscope, along the side of swingle 5
Slide-and-guide block 52 to the left and right drives cotton brush 8 to carry out dust blowing along 9 surface of spectroscope or so, meanwhile, give pressure ram 511 to
Left power drives pressure ram 511 to be moved to the left and squeeze liquid storage cylinder 510, and liquid storage cylinder 510, which is soft rubber material, can be squeezed buckling
Shape, and its internal cleaning solution is extruded by woven hose 811 and is flowed into cotton brush 8, cotton brush 8 is by siphon principle by cleaning solution
Sucking, and can be dusted, and not only realize the surface for spectroscope 9 and carry out sliding dedusting, and can in real time into
Row squeezes and provides cleaning solution, effectively increases the dedusting quality of spectroscope 9, ensure that the reflecting effect of laser light source 2, rotates
The upper left end surfaces of bar 5 are fixedly connected with locating piece 10, and turned left swingle 5 counterclockwise centered on shaft 6, drive cotton brush
8 rotations counterclockwise, drive locating piece 10 to rotate counterclockwise, when in be positioned piece 10 of upside plug-in-sleeve 3 until, when without using
When cotton brush 8, you can realize that rotation is caught in casing 3, do not interfere with the path that laser light source 2 injects spectroscope 9 from left to right, rotate
The center outer surface of bar 5 slidably connects guide pad 52 by guide hole 51, and the right end face of guide pad 52 is fixedly connected with connection
The rear surface of block 58, link block 58 is fixedly connected with fixed bin 59, and the inside middle of fixed bin 59 is equipped with liquid storage cylinder 510, storage
The right end face compression of sap cavity 510 is connected with pressure ram 511, and the outer surface of pressure ram 511 is slidably connected by first through hole 512
There are fixed bin 59, the downside of liquid storage cylinder 510 to be equipped with woven hose 811, liquid storage cylinder 510 is connected with cotton brush 8, cotton by woven hose 811
Slide bar 88 is slidably connected by sliding slot 86 inside the upper right side of brush 8, slide bar 88 is moved up along sliding slot 86, drives the second card
Block 89 moves upward out the second card slot 810, and move right cutting ferrule 812, and woven hose 811 is driven to remove fixing groove 813 to the right, then,
The pressure of briquetting 85 to the right is given, the first fixture block 82 is driven to move right, waits for left end surface and the first card slot of the first fixture block 82
When 81 right end is concordant, cotton brush 8 is moved down, when the first fixture block 82 exits cotton brush 8, you can cotton brush 8 is dismantled, when need more
When changing cotton brush 8, the fast quick-detach of cotton brush 8 is realized, effectively increases the efficiency for replacing cotton brush 8, the upper end face of slide bar 88 is solid
Surely it is connected with second spring 87, when woven hose 811 is inserted into fixing groove 813, when the second card slot 810 of the upside of cutting ferrule 812 and the
When two fixture blocks 89 are concordant, second spring 87 can give the second fixture block 89 downward power, and the second fixture block 89 is driven to be caught in second downwards
Card slot 810 realizes the fixation of woven hose 811, and the upper end of second spring 87 is fixedly connected with sliding slot 86, the lower-left end table of slide bar 88
Face is equipped with the second fixture block 89, and the downside of the second fixture block 89 is connected with cutting ferrule 812, the outer surface of cutting ferrule 812 by the second card slot 810
It is connected with cotton brush 8 by fixing groove 813, the inner surface of cutting ferrule 812 is socketed with woven hose 811, and the upper interior of cotton brush 8 is equipped with the
One card slot 81, cotton brush 8 are connected with the first fixture block 82 by the first card slot 81, and the right end face of the first fixture block 82 is fixedly connected with
The upper left end surfaces of one spring 83, the first fixture block 82 are fixedly connected with briquetting 85, and the outer surface of briquetting 85 passes through fourth hole 84
Through screw rod 57 is connected with, the lower inner part of guide pad 52 is equipped with bearing 53, and guide pad 52 passes through 53 company of being rotatably connected to of bearing
The center outer surface of spindle 54, connecting shaft 54 is fixedly connected with knob 55, and the rear surface of connecting shaft 54 is fixedly connected with rotation
The lower inner part of block 56, spill spin block 56 is threaded with screw rod 57 by threaded hole 513, and the rear surface of screw rod 57 is fixedly connected
There is cotton brush 8.
The present invention is in the specific implementation：In use, the swingle 5 that turned right clockwise centered on shaft 6, waits for swingle
When the upper-end contact of 5 bottom right end surfaces and fixed frame 7, by T-type bolt 72 through the second through-hole 71, third through-hole 73, T-type is waited for
When the downside of bolt 72 is pierced by the second through-hole 71, compressed spring 75 can give the power of sliding block 74 to the left, and sliding block 74 is along fixed frame 7
It slides and is clamped T-type bolt 72 in surface, you can by 5 locking of swingle, then, rotate counterclockwise knob 55, drive spill spin block
56 rotate counterclockwise, and drive screw rod 57 to move down by threaded hole 513, drive cotton brush 8 move down and with 9 table of spectroscope
Face pressure is tight, horizontally slips guide pad 52 along the direction of swingle 5, and cotton brush 8 is driven to be scraped along 9 surface of spectroscope or so
Dirt, meanwhile, the power of pressure ram 511 to the left is given, pressure ram 511 is driven to be moved to the left and squeeze liquid storage cylinder 510, liquid storage cylinder 510
It can be deformed for soft rubber material, and its internal cleaning solution is extruded by woven hose 811 and is flowed into cotton brush 8,
Cotton brush 8 is sucked cleaning solution by siphon principle, and can be dusted, and the surface progress for spectroscope 9 is not only realized
Dedusting is slided, and can be squeezed in real time and cleaning solution is provided, the dedusting quality of spectroscope 9 is effectively increased, is ensured
The reflecting effect of laser light source 2 drives second fixture block 89 to move upward out the in addition, move up slide bar 88 along sliding slot 86
Two draw-in groove 810, move right cutting ferrule 812, drives woven hose 811 to remove fixing groove 813 to the right, then, gives briquetting 85 to the right
Pressure, drive the first fixture block 82 move right, when the left end surface of the first fixture block 82 is concordant with the right end of the first card slot 81,
Cotton brush 8 is moved down, when the first fixture block 82 exits cotton brush 8, you can cotton brush 8 is dismantled, when needing replacing cotton brush 8, is realized
The fast quick-detach of cotton brush 8 effectively increases the efficiency for replacing cotton brush 8.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of falling bodies barycenter registration measures comparable device, including measuring table (1), it is characterised in that：The measuring table
(1) upper left end surfaces are respectively equipped with laser light source (2), casing (3), and the upper right end surfaces of the measuring table (1), which are fixed, to be connected
It is connected to fixed frame (7), the upper end face of the fixed frame (7) is equipped with spectroscope (9), the upper left end surfaces of the spectroscope (9)
Compression is connected with cotton brush (8), and the middle part upper end face of the measuring table (1) is fixedly connected with free bearing (4), the free bearing (4)
Upper interior swingle (5) is rotatably connected to by shaft (6), the upper left end surfaces of the swingle (5) are fixedly connected with
The center outer surface of locating piece (10), the swingle (5) slidably connects guide pad (52) by guide hole (51).
2. a kind of falling bodies barycenter registration according to claim 1 measures comparable device, it is characterised in that：The guide pad
(52) lower inner part is equipped with bearing (53), and the guide pad (52) is rotatably connected to connecting shaft (54), institute by bearing (53)
The center outer surface for stating connecting shaft (54) is fixedly connected with knob (55), and the rear surface of the connecting shaft (54) is fixedly connected with
The lower inner part of spill spin block (56), the spill spin block (56) is threaded with screw rod (57), the screw rod by threaded hole (513)
(57) rear surface is fixedly connected with cotton brush (8).
3. a kind of falling bodies barycenter registration according to claim 2 measures comparable device, it is characterised in that：The guide pad
(52) right end face is fixedly connected with link block (58), and the rear surface of the link block (58) is fixedly connected with fixed bin
(59), the inside middle of the fixed bin (59) is equipped with liquid storage cylinder (510), and the right end face of the liquid storage cylinder (510), which compresses, to be connected
It is connected to pressure ram (511).
4. a kind of falling bodies barycenter registration according to claim 3 measures comparable device, it is characterised in that：The pressure ram
(511) outer surface slidably connects fixed bin (59) by first through hole (512), and the downside of the liquid storage cylinder (510) is equipped with
Woven hose (811), the liquid storage cylinder (510) are connected with cotton brush (8) by woven hose (811).
5. a kind of falling bodies barycenter registration according to claim 4 measures comparable device, it is characterised in that：The cotton brush
(8) upper interior is equipped with the first card slot (81), and the cotton brush (8) is connected with the first fixture block (82) by the first card slot (81),
The right end face of first fixture block (82) is fixedly connected with the first spring (83), the upper left end surfaces of first fixture block (82)
It is fixedly connected with briquetting (85), the outer surface of the briquetting (85) is run through by fourth hole (84) is connected with screw rod (57).
6. a kind of falling bodies barycenter registration according to claim 5 measures comparable device, it is characterised in that：The cotton brush
(8) slide bar (88) is slidably connected by sliding slot (86) inside upper right side, the upper end face of the slide bar (88) is fixedly connected
There are second spring (87), the upper end of the second spring (87) to be fixedly connected with sliding slot (86), the lower-left end of the slide bar (88)
Surface is equipped with the second fixture block (89).
7. a kind of falling bodies barycenter registration according to claim 6 measures comparable device, it is characterised in that：Second card
The downside of block (89) is connected with cutting ferrule (812) by the second card slot (810), and the outer surface of the cutting ferrule (812) passes through fixing groove
(813) it is connected with cotton brush (8), the inner surface of the cutting ferrule (812) is socketed with woven hose (811).
8. a kind of falling bodies barycenter registration according to claim 1 measures comparable device, it is characterised in that：The fixed frame
(7) upper interior is equipped with the second through-hole (71), and the fixed frame (7) is plugged with T-type bolt (72) by the second through-hole (71),
The upside of the T-type bolt (72) is run through by third through-hole (73) is connected with swingle (5).
9. a kind of falling bodies barycenter registration according to claim 8 measures comparable device, it is characterised in that：The T-type is inserted
The downside of pin (72) is symmetrical to slidably connect sliding block (74), and the right end face of the sliding block (74) is fixedly connected with compression bullet
The upper end face compression of spring (75), the sliding block (74) is connected with fixed frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810363773.4A CN108426674B (en) | 2018-04-23 | 2018-04-23 | Falling body mass center contact ratio measuring reference device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810363773.4A CN108426674B (en) | 2018-04-23 | 2018-04-23 | Falling body mass center contact ratio measuring reference device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108426674A true CN108426674A (en) | 2018-08-21 |
| CN108426674B CN108426674B (en) | 2020-02-28 |
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ID=63161590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810363773.4A Active CN108426674B (en) | 2018-04-23 | 2018-04-23 | Falling body mass center contact ratio measuring reference device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827535A (en) * | 2018-09-26 | 2018-11-16 | 长春理工大学 | A kind of mass center testing stand |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0737963A2 (en) * | 1995-04-11 | 1996-10-16 | Discovision Associates | Seek actuator for optical recording |
| CN2923072Y (en) * | 2006-05-24 | 2007-07-18 | 刘治成 | Railway train braking pipe internal-wall descaling machine |
| CN101293251A (en) * | 2007-04-27 | 2008-10-29 | 鸿富锦精密工业（深圳）有限公司 | Cleaner |
| US20140026655A1 (en) * | 2012-07-25 | 2014-01-30 | Micro-G Lacoste, Inc. | Test Mass and Method for Interferometric Gravity Characteristic Measurement |
| CN204381668U (en) * | 2014-12-01 | 2015-06-10 | 南通富士通微电子股份有限公司 | Be applied to the camera lens dust guard in laser marking technique |
| CN105910758A (en) * | 2016-04-25 | 2016-08-31 | 中国地震局地球物理研究所 | Measuring mechanism for contact ratio of center of mass and optical center of falling body and measuring method and adjusting method thereof |
-
2018
- 2018-04-23 CN CN201810363773.4A patent/CN108426674B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0737963A2 (en) * | 1995-04-11 | 1996-10-16 | Discovision Associates | Seek actuator for optical recording |
| CN2923072Y (en) * | 2006-05-24 | 2007-07-18 | 刘治成 | Railway train braking pipe internal-wall descaling machine |
| CN101293251A (en) * | 2007-04-27 | 2008-10-29 | 鸿富锦精密工业（深圳）有限公司 | Cleaner |
| US20140026655A1 (en) * | 2012-07-25 | 2014-01-30 | Micro-G Lacoste, Inc. | Test Mass and Method for Interferometric Gravity Characteristic Measurement |
| CN204381668U (en) * | 2014-12-01 | 2015-06-10 | 南通富士通微电子股份有限公司 | Be applied to the camera lens dust guard in laser marking technique |
| CN105910758A (en) * | 2016-04-25 | 2016-08-31 | 中国地震局地球物理研究所 | Measuring mechanism for contact ratio of center of mass and optical center of falling body and measuring method and adjusting method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827535A (en) * | 2018-09-26 | 2018-11-16 | 长春理工大学 | A kind of mass center testing stand |
| CN108827535B (en) * | 2018-09-26 | 2021-01-01 | 长春理工大学 | Center of mass test bench |
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| Publication number | Publication date |
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| CN108426674B (en) | 2020-02-28 |
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