CN110132489A - A kind of centroid measurement instrument - Google Patents
A kind of centroid measurement instrument Download PDFInfo
- Publication number
- CN110132489A CN110132489A CN201910557661.7A CN201910557661A CN110132489A CN 110132489 A CN110132489 A CN 110132489A CN 201910557661 A CN201910557661 A CN 201910557661A CN 110132489 A CN110132489 A CN 110132489A
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- plate
- traveller
- fixedly connected
- transverse slat
- measurement instrument
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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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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention discloses a kind of centroid measurement instruments, including plate, transverse slat and bottom plate, the upper center of the plate is equipped with the first ball groove, the inner wall of first ball groove is bonded with rubber skin, the inner wall of the rubber skin is equipped with semi-circular projection, and the upper end two sides of the plate are fixedly installed with traveller, and the upper end of the traveller is fixedly connected with limit plate, the two sides of the transverse slat are equipped with slide opening, and the transverse slat is slidably socketed traveller by slide opening.Graphite skewback compresses the inclined-plane of column, backplate stablizes the left and right sides for resisting aerial camera, bolt is inserted into slot, stabilize the position of aerial camera, conveniently to ellipsoid aerial camera maintenance, the cooperation of graphite nodule and shaft is compressed by arch shrapnel, is lubricated well so that shaft cooperates collar, then make plate that rotation column be driven to overturn more smooth stabilization, it is therefore prevented that locking mechanism is dropped in the case where aerial camera centroid motion.
Description
Technical field
The present invention relates to centroid detection technical field, specially a kind of centroid measurement instrument.
Background technique
Mass center is the mass centre of object, is also the center of suffered gravity when gravitational field is uniform, it is numerous engineering necks
The important parameter for needing accurately to measure in domain has very important Practical significance, when mass center deviates the geometric center point of setting
It is referred to as eccentric, for example, the mass center of the aerial camera on unmanned plane have for the design of the holder of positioning camera it is very important
Meaning, mass center deviation has very big influence for the stability of holder, therefore there is an urgent need to a kind of measurements of high-accuracy general
The instrument of mass center position of object.
Existing matter measuring instrument multi-pass crosses bolt locking mechanism to carry out maintenance to the aerial camera of spheroid-like, but
It is when fastening, aerial camera could be fastened by needing to twist multiple bolts, and it is erroneous for installation, while support locking mechanism is using support
Cutter block, for the aerial camera for needing to measure after just designing, if mass center seriously deviates, it is easy to so that locking machine
Structure integrally slides and breaks.
Summary of the invention
The purpose of the present invention is to provide a kind of centroid measurement instruments, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of centroid measurement instrument, including plate, transverse slat
And bottom plate, the upper center of the plate are equipped with the first ball groove, the inner wall of first ball groove is bonded with rubber skin, the rubber
The inner wall of skin is equipped with semi-circular projection, and the upper end two sides of the plate are fixedly installed with traveller, and the upper end of the traveller is fixedly connected
There is a limit plate, the two sides of the transverse slat are equipped with slide opening, and the transverse slat is slidably socketed traveller by slide opening, in the lower end of the transverse slat
Portion is equipped with the second ball groove, and the inner wall of second ball groove is bonded with spongy layer, and the inside of the bottom plate is equipped with cylindrical cavity, the cylindrical cavity
Upside be equipped with conical opening, the inside center of the cylindrical cavity is fixedly installed with shaft, is fixedly connected in the middle part of the lower end of the plate
There is a rotation column, the lower end of the rotation column is fixedly connected with collar, and the shaft is rotatably installed in the inside of collar, before the collar
The inside front and back end of rear end sliding contact cylindrical cavity, the left and right sides of the bottom plate are symmetrically arranged with scale body, the left and right sides pair of the plate
Claim to be equipped with dog-ear rod piece, the lower end of the dog-ear rod piece is fixedly connected with plectane, and scale body is steadily contacted in the lower end of the plectane
Core.
Preferably, the inner wall of the slide opening is equipped with slide plate, and the inside of traveller is equipped with film trap, and traveller is slidably installed by film trap
Slide plate.
Preferably, the outside of the traveller is equipped with slot, and the upper end two sides of transverse slat are fixedly installed with vertical plate, the inside of vertical plate
Equipped with circular hole, vertical plate is slidably fitted with bolt by circular hole, and the outer end of bolt is fixedly connected with pull ring, and traveller is slided by slot
Bolt is installed, is cased with the first spring on the outside of bolt, the inner end of the first spring is fixedly connected on the outer end of vertical plate, the first spring
Outer end is fixedly connected on the outside of bolt.
Preferably, the lower end two sides of the transverse slat are fixedly connected with support rod, and the lower end of support rod is bonded with graphite skewback.
Preferably, the upper end of the plate is fixedly installed with riser, and the inside of riser is equipped with square hole, and riser passes through rectangular
Hole, which is slidably fitted with, compresses column, and the outside for compressing column is equipped with inclined-plane, inclined-plane sliding contact graphite skewback.
Preferably, the inner end for compressing column is fixedly connected with backplate, and the inner end of backplate is bonded with silica gel plate, silica gel plate
Inner end is equipped with non slip surface.
Preferably, described compress is cased with second spring on the outside of column, and the inner end of second spring is fixedly connected on the outer of backplate
End, the outer end of second spring is fixedly connected on the inner end of riser.
Preferably, the inner wall even spread of the cylindrical cavity has lube layer, and the exterior annular of collar is equipped with round bar, round bar
Outer end is fixedly connected with arc block, the inner wall of the outside sliding contact cylindrical cavity of arc block.
Preferably, the inner ring annular of the collar be equipped with inner cavity, the inner wall sliding contact graphite nodule of inner cavity, graphite nodule it is interior
Slideslip contacts shaft, and the inside of inner cavity is fixedly installed with arch shrapnel, the inner end sliding contact graphite nodule of arch shrapnel.
Compared with prior art, the beneficial effects of the present invention are: the centroid measurement instrument, is placed on first for aerial camera
In ball groove, plate is moved down, the second ball groove entangles the upside of aerial camera, and graphite skewback compresses the inclined-plane of column, backplate
Stablize the left and right sides for resisting aerial camera, bolt is inserted into slot, stabilizes the position of aerial camera, convenient to take photo by plane to ellipsoid
Camera maintenance is compressed the cooperation of graphite nodule and shaft by arch shrapnel, is lubricated well so that shaft cooperates collar,
Then make plate that rotation column be driven to overturn more smooth stabilization, it is therefore prevented that locking mechanism is in the case where aerial camera centroid motion
It drops.
Detailed description of the invention
Fig. 1 is main view cut-away illustration of the invention；
Fig. 2 is that traveller of the invention connects enlarged structure schematic diagram；
Fig. 3 it is of the invention compress column downlink connection enlarged structure schematic diagram；
Fig. 4 is that collar of the invention connects enlarged structure schematic diagram.
In figure: 1 plate, 2 first ball grooves, 3 rubber skins, 4 semi-circular projections, 5 travellers, 6 limit plates, 7 transverse slats, 8 slide openings, 9 are slided
Piece, 10 film traps, 11 second ball grooves, 12 spongy layers, 13 slots, 14 vertical plates, 15 circular holes, 16 bolts, 17 pull rings, 18 first springs,
19 support rods, 20 graphite skewbacks, 21 risers, 22 square holes, 23 compress column, 24 backplates, 25 silica gel plates, 26 non slip surfaces, 27 second bullets
Spring, 28 inclined-planes, 29 bottom plates, 30 cylindrical cavities, 31 conical openings, 32 lube layers, 33 shafts, 34 rotation columns, 35 collars, 36 round bars, 37 arcs
Shape block, 38 inner cavities, 39 graphite nodules, 40 arch shrapnels, 41 scale bodies, 42 dog-ear rod pieces, 43 plectanes.
Specific embodiment
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 description, 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, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of centroid measurement instrument, including plate 1,7 and of transverse slat
Bottom plate 29, the upper center of plate 1 are equipped with the first ball groove 2, and the inner wall of the first ball groove 2 is bonded with rubber skin 3, rubber skin 3 it is interior
Wall is equipped with semi-circular projection 4, increases the frictional resistance of the first ball groove 2 and cooperation on the downside of aerial camera, so that aerial camera and first
The cooperation of ball groove 2 is more stable, and the upper end two sides of plate 1 are fixedly installed with traveller 5, and the upper end of traveller 5 is fixedly connected with limit plate
6, prevent transverse slat 7 from deviating from traveller 5, the two sides of transverse slat 7 are equipped with slide opening 8, and transverse slat 7 is slidably socketed traveller 5 by slide opening 8, slide opening 8
Inner wall is equipped with slide plate 9, and the inside of traveller 5 is equipped with film trap 10, and traveller 5 is slidably installed slide plate 9 by film trap 10, by film trap 10 with
The cooperation of slide plate 9 further limits left-right position when transverse slat 7 cooperates traveller 5 to move up and down, so that transverse slat 7 moves up and down more
Add stabilization, the second ball groove 11 is equipped in the middle part of the lower end of transverse slat 7, the inner wall of the second ball groove 11 is bonded with spongy layer 12, increases by second
The mildness of ball groove 11 and aerial camera cooperation, protects aerial camera, and the outside of traveller 5 is equipped with slot 13, the upper end of transverse slat 7
Two sides are fixedly installed with vertical plate 14, and the inside of vertical plate 14 is equipped with circular hole 15, and vertical plate 14 is slidably fitted with bolt 16 by circular hole 15,
The outer end of bolt 16 is fixedly connected with pull ring 17, facilitates pull bolt 16, and traveller 5 is slidably installed bolt 16 by slot 13, leads to
The cooperation of slot 13 Yu bolt 16 is crossed, limitation transverse slat 7 moves up and down, and the outside of bolt 16 is cased with the first spring 18, the first spring
18 be tensional state, and retraction force is 6 newton, and the inner end of the first spring 18 is fixedly connected on the outer end of vertical plate 14, the first spring
18 outer end is fixedly connected on the outside of bolt 16, ensure that the stability of 18 tensional state of the first spring, the lower end two of transverse slat 7
Side is fixedly connected with support rod 19, and the lower end of support rod 19 is bonded with graphite skewback 20, and the upper end of plate 1 is fixedly installed with riser 21,
The inside of riser 21 is equipped with square hole 22, and riser 21 is slidably fitted with by square hole 22 and compresses column 23, compress column 23 be it is rectangular,
Cooperate square hole 22, while moving up and down, limitation compresses the rotation of column 23, and the outside for compressing column 23 is equipped with inclined-plane 28, inclined-plane 28
Sliding contact graphite skewback 20, by graphite skewback 20, increase compresses column 23 and inclined-plane 28 cooperates smoothness, compresses the interior of column 23
End is fixedly connected with backplate 24, and the inner end of backplate 24 is bonded with silica gel plate 25, and the inner end of silica gel plate 25 is equipped with non slip surface 26, passes through
Silica gel plate 25 increases the mildness of backplate 24 and aerial camera cooperation, by non slip surface 26, increases silica gel plate 25 and aerial camera
Cooperate resistance, enhancing backplate 24 and aerial camera fitment stability, the outside for compressing column 23 is cased with second spring 27, second spring
27 be tensional state, and retraction force is 11 newton, can spring back backplate 24 and be detached from aerial camera to the right, second spring 27 it is interior
End is fixedly connected on the outer end of backplate 24, and the outer end of second spring 27 is fixedly connected on the inner end of riser 21, ensure that the second bullet
The stability of 27 tensional state of spring, the inside of bottom plate 29 are equipped with cylindrical cavity 30, and the upside of cylindrical cavity 30 is equipped with conical opening 31, to revolve column 34
It swings and space is provided, the inside center of cylindrical cavity 30 is fixedly installed with shaft 33, is fixedly connected with rotation in the middle part of the lower end of plate 1
The lower end of column 34, rotation column 34 is fixedly connected with collar 35, and shaft 33 is rotatably installed in the inside of collar 35, the front and back end of collar 35
The inside front and back end of sliding contact cylindrical cavity 30, the inner wall even spread of cylindrical cavity 30 have lube layer 32, increase cylindrical cavity 30 and arc
The smoothness of the cooperation sliding of block 37, the exterior annular of collar 35 are equipped with round bar 36, and the outer end of round bar 36 is fixedly connected with arc block
37, the inner ring annular of the inner wall of the outside sliding contact cylindrical cavity 30 of arc block 37, collar 35 is equipped with inner cavity 38, the inner wall of inner cavity 38
Sliding contact graphite nodule 39, the inside sliding contact shaft 33 of graphite nodule 39, the inside of inner cavity 38 is fixedly installed with arch shrapnel
40, arch shrapnel 40 be backfin state, and roll over elastic force be 5 newton so that graphite nodule 39 be close to shaft 33, arch shrapnel 40 it is interior
Sliding contact graphite nodule 39 is held, the left and right sides of bottom plate 29 is symmetrically arranged with scale body 41, and the left and right sides of plate 1 is symmetrically arranged with dog-ear rod piece
42, the lower end of dog-ear rod piece 42 is fixedly connected with plectane 43, and the core of scale body 41 is steadily contacted in the lower end of plectane 43.
The present invention is in the specific implementation: pull out pull ring 17 so that bolt 16 deviates from slot 13, the first spring 18 by into
Once step stretching moves up plate 1, by the cooperation of slide plate 9 and film trap 10, ensure that the stability that plate 1 moves up and down, band
Dynamic support rod 19 moves up, and graphite skewback 20 is detached from the inclined-plane 28 for compressing column 23, by the retraction force of second spring 27, so that shield
Plate 24 is displaced outwardly, and aerial camera is placed in the first ball groove 2, plate 1 is moved down, so that the second ball groove 11 is entangled and taken photo by plane
The upside of camera, simultaneously, support rod 19 drive graphite skewback 20 to compress the inclined-plane 28 of column 23, move so that compressing in column 23
It is dynamic, until when slot 13 corresponds to bolt 16, while backplate 24 stablizes the left and right sides for resisting aerial camera, unclamps pull ring 17, passes through
The retraction force of first spring 18 stabilizes the position of plate 1, then stabilizes phase of taking photo by plane so that bolt 16 is inserted into slot 13
The position of machine, more convenient pair of ellipsoid aerial camera maintenance are slidably matched by round bar 36, arc block 37 with cylindrical cavity 30,
Increase shaft 33 and collar 35 cooperates the firm of rotation, by lube layer 32, arc block 37 cooperates the sliding of cylindrical cavity 30 more suitable
It is sliding, because graphite itself has good lubricity to mechanical engagement, and because of the annular spread of graphite nodule 39, pass through arch shrapnel 40
The cooperation of graphite nodule 39 Yu shaft 33 is compressed, so that shaft 33 lubricates the cooperation of collar 35 well, then makes plate 1
It drives rotation column 34 to overturn more smooth stabilization, ensure that the precision of measurement, it is therefore prevented that locking mechanism is in aerial camera centroid motion
In the case where drop.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of centroid measurement instrument, including plate (1), transverse slat (7) and bottom plate (29), it is characterised in that: the plate (1)
Upper center is equipped with the first ball groove (2), and the inner wall of first ball groove (2) is bonded with rubber skin (3), the rubber skin (3)
Inner wall is equipped with semi-circular projection (4), and the upper end two sides of the plate (1) are fixedly installed with traveller (5), the upper end of the traveller (5)
It is fixedly connected with limit plate (6), the two sides of the transverse slat (7) are equipped with slide opening (8), and the transverse slat (7) passes through slide opening (8) sliding sleeve
It connects traveller (5), is equipped with the second ball groove (11) in the middle part of the lower end of the transverse slat (7), the inner wall of second ball groove (11) is bonded with
The inside of spongy layer (12), the bottom plate (29) is equipped with cylindrical cavity (30), and the upside of the cylindrical cavity (30) is equipped with conical opening (31), institute
The inside center for stating cylindrical cavity (30) is fixedly installed with shaft (33), is fixedly connected with rotation column in the middle part of the lower end of the plate (1)
(34), the lower end of rotation column (34) is fixedly connected with collar (35), and the shaft (33) is rotatably installed in the interior of collar (35)
The left and right sides in portion, the inside front and back end of the front and back end sliding contact cylindrical cavity (30) of the collar (35), the bottom plate (29) is symmetrical
Equipped with scale body (41), the left and right sides of the plate (1) is symmetrically arranged with dog-ear rod piece (42), and the lower end of the dog-ear rod piece (42) is solid
Surely it is connected with plectane (43), the core of scale body (41) is steadily contacted in the lower end of the plectane (43).
2. a kind of centroid measurement instrument according to claim 1, it is characterised in that: the inner wall of the slide opening (8), which is equipped with, to be slided
The inside of piece (9), traveller (5) is equipped with film trap (10), and traveller (5) is slidably installed slide plate (9) by film trap (10).
3. a kind of centroid measurement instrument according to claim 1, it is characterised in that: the outside of the traveller (5), which is equipped with, inserts
Slot (13), the upper end two sides of transverse slat (7) are fixedly installed with vertical plate (14), and the inside of vertical plate (14) is equipped with circular hole (15), vertical plate
(14) it is slidably fitted with bolt (16) by circular hole (15), the outer end of bolt (16) is fixedly connected with pull ring (17), and traveller (5) is logical
It crosses slot (13) to be slidably installed bolt (16), be cased on the outside of bolt (16) the first spring (18), the inner end of the first spring (18)
It is fixedly connected on the outer end of vertical plate (14), the outer end of the first spring (18) is fixedly connected on the outside of bolt (16).
4. a kind of centroid measurement instrument according to claim 3, it is characterised in that: the lower end two sides of the transverse slat (7) are solid
Surely it is connected with support rod (19), the lower end of support rod (19) is bonded with graphite skewback (20).
5. a kind of centroid measurement instrument according to claim 1, it is characterised in that: the fixed peace in the upper end of the plate (1)
Equipped with riser (21), the inside of riser (21) is equipped with square hole (22), riser (21) by square hole (22) be slidably fitted with to
Compression leg (23), the outside for compressing column (23) are equipped with inclined-plane (28), inclined-plane (28) sliding contact graphite skewback (20).
6. a kind of centroid measurement instrument according to claim 5, it is characterised in that: the inner end for compressing column (23) is fixed
It is connected with backplate (24), the inner end of backplate (24) is bonded with silica gel plate (25), and the inner end of silica gel plate (25) is equipped with non slip surface (26).
7. a kind of centroid measurement instrument according to claim 6, it is characterised in that: described compress is cased on the outside of column (23)
Second spring (27), the inner end of second spring (27) are fixedly connected on the outer end of backplate (24), and the outer end of second spring (27) is solid
Surely it is connected to the inner end of riser (21).
8. a kind of centroid measurement instrument according to claim 1, it is characterised in that: the inner wall of the cylindrical cavity (30) uniformly applies
It is furnished with lube layer (32), the exterior annular of collar (35) is equipped with round bar (36), and the outer end of round bar (36) is fixedly connected with arc
Block (37), the inner wall of the outside sliding contact cylindrical cavity (30) of arc block (37).
9. a kind of centroid measurement instrument according to claim 8, it is characterised in that: the inner ring annular of the collar (35) is set
Have inner cavity (38), the inner wall sliding contact graphite nodule (39) of inner cavity (38), the inside sliding contact shaft (33) of graphite nodule (39),
The inside of inner cavity (38) is fixedly installed with arch shrapnel (40), the inner end sliding contact graphite nodule (39) of arch shrapnel (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557661.7A CN110132489B (en) | 2019-06-26 | 2019-06-26 | Centroid measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557661.7A CN110132489B (en) | 2019-06-26 | 2019-06-26 | Centroid measuring instrument |
Publications (2)
| Publication Number | Publication Date |
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| CN110132489A true CN110132489A (en) | 2019-08-16 |
| CN110132489B CN110132489B (en) | 2020-11-03 |
Family
ID=67579299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910557661.7A Active CN110132489B (en) | 2019-06-26 | 2019-06-26 | Centroid measuring instrument |
Country Status (1)
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| CN (1) | CN110132489B (en) |
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| Publication number | Publication date |
|---|---|
| CN110132489B (en) | 2020-11-03 |
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