CN109341949A - A kind of big object hanging method check weighing center device of experiment of machanics - Google Patents

A kind of big object hanging method check weighing center device of experiment of machanics Download PDF

Info

Publication number
CN109341949A
CN109341949A CN201811022400.7A CN201811022400A CN109341949A CN 109341949 A CN109341949 A CN 109341949A CN 201811022400 A CN201811022400 A CN 201811022400A CN 109341949 A CN109341949 A CN 109341949A
Authority
CN
China
Prior art keywords
experiment
machanics
plate
check weighing
connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811022400.7A
Other languages
Chinese (zh)
Inventor
丁勇
毕成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University of Science and Technology
Original Assignee
Nanjing University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN201811022400.7A priority Critical patent/CN109341949A/en
Publication of CN109341949A publication Critical patent/CN109341949A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00Testing static or dynamic balance of machines or structures
    • G01M1/12Static balancing; Determining position of centre of gravity
    • G01M1/122Determining position of centre of gravity
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/08Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
    • G09B23/10Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies

Landscapes

  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Computational Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a kind of big object hanging method check weighing center devices of experiment of machanics, including fixed plate, fixed strip, roller, conveyer belt, rotary electric machine, riser, electric pushrod, plate, hanging rope, fixing clamp, fixed strip, screw rod, pressing plate, nut, plectane, ratchet, link block, pawl, torsional spring, fixed ring, sponge strip, connection strap, guide plate, guide groove, linear motor, output rod, connection shell, nozzle, ink storage case, high-pressure pump, connection hose, valve and support leg.Structure of the invention is reasonable, when carrying out suspension measurement center of gravity, the fixation of object is carried out by fixing clamp, passes through ratchet and pawl, unidirectional stepping rotation can be carried out convenient for the object after fixing and plectane, the suspension for realizing the multiple and different positions of object, convenient for the measurement of center of gravity, compared with traditional suspension method check weighing center device, without repeatedly removing object, the suspension of the multiple positions of object is carried out, labor intensity is lower, and conventional efficient is higher.

Description

A kind of big object hanging method check weighing center device of experiment of machanics
Technical field
The present invention relates to a kind of big object hanging method check weighing center device, the big object hanging methods of specially a kind of experiment of machanics Check weighing center device belongs to dynamics experimental device applied technical field.
Background technique
When carrying out the study of mechanics, need to carry out the study that a large amount of Physical Experiment carries out mechanical knowledge;Suspension method is surveyed Center of gravity is the experiment for learning barodynamics and carrying out;Generally more smooth object is measured, it is sometimes desirable to carry out big object Measurement, liken ladder, detachable round tabletop.
When carrying out the measurement of big object, needs to hang the multiple and different positions of big object, may be needed in hanging rope end It to take repeatedly, fill big object, labor intensity is larger, and conventional efficient is lower;The suspension method check weighing heart is being carried out, is needing to carry out big object The scribing line on part surface, is recorded, general by manually carrying out, and two experimenters is needed to buttress big object respectively and draw Line, it is time-consuming and laborious.Therefore, a kind of big object hanging method check weighing center device of experiment of machanics is proposed regarding to the issue above.
Summary of the invention
It is surveyed the object of the invention is that providing a kind of experiment of machanics to solve the above-mentioned problems with big object hanging method Centre-of-gravity device.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of big object hanging method check weighing heart of experiment of machanics Device, including fixed plate and fixed strip, by two shaft rotation connections, there are two rollings between the fixed plate and fixed strip Tin, conveyer belt is curled between two rollers, the fixed strip side is fixedly installed with rotary electric machine, and the rotary electric machine is defeated Outlet and one of them described shaft are socketed, and the fixed strip top surface is connected with riser, chimeric installation inside the riser There is electric pushrod, the output end of electric push rod is connected with plate, and the flat plate bottom is connected with hanging rope, and the hanging rope end is solid It is connected to plectane, the plectane side is rotatably connected to ratchet and pawl, the pawl and the outer side contacts of ratchet, the ratchet side Middle part is connected with link block, and the link block side is connected with fixing clamp;
The fixed back and the fixed strip back side are equipped with connection strap, the connection strap both ends respectively with fixed plate and fixation Item is affixed, and the connection strap is U-shaped structure, and bonding is connected with sponge strip, the sponge strip and conveyer belt table on the inside of connection strap Face contact, the fixed plate top side are connected with guide plate, and the guiding plate surface is provided with guide groove, the guide plate top Side is fixedly installed with linear motor, and the linear motor output end is connected with output rod, and the output rod end is connected with company Logical shell, the connection shell is fixedly installed with nozzle close to fixing clamp one end, and nozzle is connected to shell is connected to, the connection Shell other side connection connection hose, the fixed plate surface are connected with ink storage case, and the ink storage case bottom interior wall is connected with height Press pump, the high pressure pump output terminal are connected to hose end is connect.
Preferably, the fixed plate bottom and fixed strip bottom are fixedly connected to support leg.
Preferably, the pawl is located at the top of ratchet, and torsional spring is equipped between pawl and plectane, the torsional spring both ends difference It is affixed with pawl and plectane.
Preferably, the fixing clamp is made of compression bar, screw rod, pressing plate and nut, and the compression bar is L-type structure, institute It is affixed with link block to state compression bar, the compression bar end and screw rod one end are affixed, and the pressing plate is located at compression bar end, and presses Plate surface is provided with circular hole, and the screw rod runs through circular hole, and screw rod is connect with nut thread.
Preferably, the plectane side is connected with fixed ring, and the fixed ring is socketed in hanging rope surface.
Preferably, the connection shell runs through guide groove, and is connected between shell and guide groove and is slidably connected.
Preferably, it is vertically arranged between connection shell and the output rod, and is connected to shell and hanging rope positioned at same vertical In plane.
Preferably, the ink storage box top is connected to feed pipe, and the feed pipe top is fixedly installed with valve.
Preferably, the connection hose runs through ink storage box top, and connection hose and ink storage box top are affixed.
Preferably, the fixed plate and plate are vertically arranged with electric pushrod.
The beneficial effects of the present invention are:
1, the apparatus structure is reasonable, when carrying out suspension measurement center of gravity, the fixation of object is carried out by fixing clamp, passes through pawl And ratchet, unidirectional stepping rotation can be carried out convenient for the object after fixing and plectane, realize the suspension of the multiple and different positions of object, just In the measurement of center of gravity, compared with traditional suspension method check weighing center device, without repeatedly removing object, the multiple positions of object are carried out Suspension, labor intensity is lower, and conventional efficient is higher;
2, when carrying out the check weighing heart, by linear motor, output rod, connection shell, nozzle, ink storage case, high-pressure pump and Connect the mating reaction of hose, scribing line when can measure, without manually being crossed and being buttressed object, to reduce The labor intensity that people are tested reduces experiment and carries out time;
3, the excess ink that nozzle sprays, can fall on conveyor belt surface, pass through rotary electric machine, roller, conveyer belt, sponge strip And connection strap, the cleaning of conveyor belt surface can be carried out, the ink of conveyor belt surface can be removed in time, ink condensation is avoided to be difficult to It removes.
Detailed description of the invention
Fig. 1 is overall structure of the present invention;
Fig. 2 is the portion A partial enlargement structural representation shown in Fig. 1 of the present invention;
Fig. 3 is ratchet of the present invention and pawl structures schematic diagram;
Fig. 4 is fixed folder structure schematic diagram of the present invention;
Fig. 5 is sponge strip of the present invention and connection strap structural schematic diagram.
In figure: 1, fixed plate, 2, fixed strip, 3, roller, 4, conveyer belt, 5, rotary electric machine, 6, riser, 7, electric pushrod, 8, plate, 9, hanging rope, 10, fixing clamp, 1001, fixed strip, 1002, screw rod, 1003, pressing plate, 1004, nut, 11, plectane, 12, Ratchet, 13, link block, 14, pawl, 15, torsional spring, 16, fixed ring, 17, sponge strip, 18, connection strap, 19, guide plate, 20, lead To slot, 21, linear motor, 22, output rod, 23, connection shell, 24, nozzle, 25, ink storage case, 26, high-pressure pump, 27, connection it is soft Pipe, 28, valve, 29, support leg.
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.
Please refer to shown in Fig. 1-5, a kind of big object hanging method check weighing center device of experiment of machanics, including fixed plate 1 and Fixed strip 2, by two shaft rotation connections, there are two roller 3, two rollers 3 between the fixed plate 1 and fixed strip 2 Between curl conveyer belt 4,2 side of fixed strip is fixedly installed with rotary electric machine 5, and rotary electric machine 5 drives roller 3 to rotate, can Move conveyer belt 4,5 output end of rotary electric machine and one of them described shaft are socketed, the 2 top table of fixed strip Face is connected with riser 6, is fitted into inside the riser 6 and is equipped with electric pushrod 7, and electric pushrod 7 realizes the lifting of plate 8, described 7 output end of electric pushrod is connected with plate 8, and 8 bottom of plate is connected with hanging rope 9, and 9 end of hanging rope is connected with plectane 11,11 side of plectane is rotatably connected to ratchet 12 and pawl 14, the pawl 14 and the outer side contacts of ratchet 12, the ratchet 12 1 middle side parts are connected with link block 13, and 13 side of link block is connected with fixing clamp 10, realize fixing clamp 10 and plectane 11 Carry out unidirectional stepping rotation;
1 back side of fixed plate and 2 back side of fixed strip are equipped with connection strap 18,18 both ends of connection strap respectively with fixed plate 1 and fixed strip 2 it is affixed, the connection strap 18 be U-shaped structure, and on the inside of connection strap 18 bonding be connected with sponge strip 17, the sea Continuous item 17 is contacted with 4 surface of conveyer belt, and sponge strip 17 carries out the erasing of ink to conveyer belt 4, and 1 top side of fixed plate is solid It is connected to guide plate 19,19 surface of guide plate is provided with guide groove 20, and 19 top side of guide plate is fixedly installed with straight line Motor 21,21 output end of linear motor are connected with output rod 22, and 22 end of output rod is connected with connection shell 23, institute It states connection shell 23 and is fixedly installed with nozzle 24 close to 10 one end of fixing clamp, and nozzle 24 is connected to shell 23 is connected to, nozzle 24 The scribing line of object is measured, 23 other side of the connection shell connection connection hose 27,1 surface of fixed plate is connected with storage Black case 25,25 bottom interior wall of ink storage case are connected with high-pressure pump 26,26 output end of high-pressure pump with connect 27 end of hose Connection.
1 bottom of fixed plate and 2 bottom of fixed strip are fixedly connected to support leg 29, and support leg 29 is supported, keeps away Exempt from fixed plate 1 and fixed strip 2 and ground face contact;The pawl 14 is located at 12 top of ratchet, and sets between pawl 14 and plectane 11 There is torsional spring 15,15 both ends of torsional spring are affixed with pawl 14 and plectane 11 respectively, realize that fixing clamp 10 and plectane 11 carry out unidirectionally Stepping rotation;The fixing clamp 10 is made of compression bar 1001, screw rod 1002, pressing plate 1003 and nut 1004, the compression bar 1001 be L-type structure, and the compression bar 1001 and link block 13 are affixed, and 1001 end of compression bar and 1002 one end of screw rod are solid It connects, the pressing plate 1003 is located at 1001 end of compression bar, and 1003 surface of pressing plate is provided with circular hole, and the screw rod 1002 is through circle Hole, and screw rod 1002 is threadedly coupled with nut 1004, fixing clamp 10 can carry out the fixation of object;11 side of plectane is connected with Fixed ring 16, the fixed ring 16 are socketed in 9 surface of hanging rope, and fixed ring 16 limits hanging rope 9, reduce plectane 11 and hanging rope Shaking between 9;The connection shell 23 runs through guide groove 20, and is connected between shell 23 and guide groove 20 and is slidably connected, and leads The movement for being connected to shell 23 to 20 pairs of slot is oriented to;It is vertically arranged, and is connected between the connection shell 23 and output rod 22 Shell 23 and hanging rope 9 are located on same perpendicular, and connection shell 23 is crossed by nozzle 24, and object passes through fixing clamp 10 Before fixation, layer of plastic film is covered, ink is avoided to be sprayed on object;It is connected to feed pipe at the top of the ink storage case 25, it is described Feed pipe top is fixedly installed with valve 28, and valve 28 controls the open and close of feed pipe;The connection hose 27 runs through ink storage case 25 Top, and connection hose 27 and 25 top of ink storage case are affixed, connect the connection that hose 27 is used for high-pressure pump 26 with is connected to shell 23; The fixed plate 1 and plate 8 are vertically arranged with electric pushrod 7, and electric pushrod 7 can realize the lifting of plate 8.
In the use of the present invention, the electric elements occurred in the application when in use open by external connection power supply and control It closes, first in the object surface plastic covering film for measuring center of gravity, covers plastic film in object surface by clear water, Then back out nut 1004, make the object for measuring center of gravity be located at the inside of compression bar 1001, pressing plate 1003 and object surface into Row contact, screws on nut 1004 on 1002 surface of screw rod, and pressing plate 1003 is made to compress object, and electric pushrod 7 is extended, and makes object It is separated with 4 surface of conveyer belt, realizes the suspension of object, after object is static, start high-pressure pump 26 and linear motor 21, high-pressure pump 26 extract the ink in ink storage case 25, enter connection shell 23 by connection hose 27, then spray from nozzle 24, while straight line Motor 21 drives connection shell 23 to carry out the movement of vertical direction by output rod 22, marks first line, ink is sprayed on plastics On film, two experimenters buttress plectane 11 and rotation fixing clamp 10 respectively, and object is made to turn an angle with plectane 11, turn Aforesaid operations are repeated after dynamic and mark Article 2 line, so that object and plectane 11 is rotated multiple certain angles again, are being turned every time When dynamic certain angle, a line is marked, linear commercial base is marked, is the position of centre of gravity of object;When being tested, starting rotation Motor 5, ink fall on 4 surface of conveyer belt, and rotary electric machine 5 drives roller 3 to be rotated, and realize the movement of conveyer belt 4, pass through sea Continuous item 17 wipes ink, after experiment, backs out nut 1004, removes object, takes plastic film off, then passes through the external world oneself Water carries out the flushing of sponge strip 17, removes ink for sponge strip 17.
The YE2 model motor that rotary electric machine 5 is sold using Taizhou City Pu Si mechanical & electronic equipment corporation, Ltd of Alibaba And its relevant mating power supply and circuit.
The SYSE40/50/63 that electric pushrod 7 is sold using Dongguan City Sheng Yue mechanical equipment Co., Ltd of Alibaba Model electric pushrod and its relevant mating power supply and circuit.
The 5IK60GU model that linear motor 21 is sold using Dongguan City Shun Li Electromechanical Technology Co., Ltd of Alibaba Linear motor and its relevant mating power supply and circuit.
The QBY3-25AL model that high-pressure pump 26 is sold using Shanghai wing Beng Ye Manufacturing Co., Ltd of Alibaba every Membrane pump and its relevant mating power supply and circuit.
It is related to circuit and electronic component and module is the prior art, those skilled in the art may be implemented completely, Without superfluous words, the content that the present invention protects is not related to the improvement for software and method yet.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (10)

1. a kind of big object hanging method check weighing center device of experiment of machanics, including fixed plate (1) and fixed strip (2), feature Be: by two shaft rotation connections, there are two roller (3), two rollings between the fixed plate (1) and fixed strip (2) It is curled conveyer belt (4) between cylinder (3), fixed strip (2) side is fixedly installed with rotary electric machine (5), the rotary electric machine (5) Output end and one of them described shaft are socketed, and fixed strip (2) top surface is connected with riser (6), in the riser (6) Portion is chimeric to be equipped with electric pushrod (7), and electric pushrod (7) output end is connected with plate (8), and plate (8) bottom is solid It is connected to hanging rope (9), hanging rope (9) end is connected with plectane (11), and plectane (11) side is rotatably connected to ratchet (12) With pawl (14), the pawl (14) and ratchet (12) outer side contacts, (12) one middle side part of ratchet are connected with link block (13), link block (13) side is connected with fixing clamp (10);
Equipped with connection strap (18), connection strap (18) both ends are respectively and solid for fixed plate (1) back side and fixed strip (2) back side Fixed board (1) and fixed strip (2) are affixed, and the connection strap (18) is U-shaped structure, and bonding is connected with sponge on the inside of connection strap (18) Item (17), the sponge strip (17) contact with conveyer belt (4) surface, and fixed plate (1) top side is connected with guide plate (19), guide plate (19) surface is provided with guide groove (20), and guide plate (19) top side is fixedly installed with straight-line electric Machine (21), linear motor (21) output end are connected with output rod (22), and output rod (22) end is connected with connection shell Body (23), the connection shell (23) are fixedly installed with nozzle (24) close to fixing clamp (10) one end, and nozzle (24) be connected to Shell (23) connection, the connection shell (23) other side connection connection hose (27), fixed plate (1) surface is connected with storage Black case (25), ink storage case (25) bottom interior wall are connected with high-pressure pump (26), high-pressure pump (26) output end with connect it is soft Manage the connection of (27) end.
2. a kind of big object hanging method check weighing center device of experiment of machanics according to claim 1, it is characterised in that: described Fixed plate (1) bottom and fixed strip (2) bottom are fixedly connected to support leg (29).
3. a kind of big object hanging method check weighing center device of experiment of machanics according to claim 1, it is characterised in that: described Pawl (14) is located at the top of ratchet (12), and is equipped with torsional spring (15) between pawl (14) and plectane (11), the torsional spring (15) two It holds affixed with pawl (14) and plectane (11) respectively.
4. a kind of big object hanging method check weighing center device of experiment of machanics according to claim 1, it is characterised in that: described Fixing clamp (10) is made of compression bar (1001), screw rod (1002), pressing plate (1003) and nut (1004), the compression bar It (1001) is L-type structure, the compression bar (1001) and link block (13) are affixed, compression bar (1001) end and screw rod (1002) one end is affixed, and the pressing plate (1003) is located at compression bar (1001) end, and pressing plate (1003) surface is provided with circular hole, institute Screw rod (1002) are stated through circular hole, and screw rod (1002) is threadedly coupled with nut (1004).
5. a kind of big object hanging method check weighing center device of experiment of machanics according to claim 1, it is characterised in that: described Plectane (11) side is connected with fixed ring (16), and the fixed ring (16) is socketed in hanging rope (9) surface.
6. a kind of big object hanging method check weighing center device of experiment of machanics according to claim 1, it is characterised in that: described It is connected to shell (23) and runs through guide groove (20), and be connected between shell (23) and guide groove (20) and be slidably connected.
7. a kind of big object hanging method check weighing center device of experiment of machanics according to claim 1, it is characterised in that: described It is vertically arranged between connection shell (23) and output rod (22), and is connected to shell (23) and hanging rope (9) and is located at same perpendicular On.
8. a kind of big object hanging method check weighing center device of experiment of machanics according to claim 1, it is characterised in that: described Feed pipe is connected at the top of ink storage case (25), the feed pipe top is fixedly installed with valve (28).
9. a kind of big object hanging method check weighing center device of experiment of machanics according to claim 1, it is characterised in that: described Hose (27) are connected at the top of ink storage case (25), and affixed at the top of connection hose (27) and ink storage case (25).
10. a kind of big object hanging method check weighing center device of experiment of machanics according to claim 1, it is characterised in that: institute It states fixed plate (1) and plate (8) is vertically arranged with electric pushrod (7).
CN201811022400.7A 2018-09-03 2018-09-03 A kind of big object hanging method check weighing center device of experiment of machanics Pending CN109341949A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811022400.7A CN109341949A (en) 2018-09-03 2018-09-03 A kind of big object hanging method check weighing center device of experiment of machanics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811022400.7A CN109341949A (en) 2018-09-03 2018-09-03 A kind of big object hanging method check weighing center device of experiment of machanics

Publications (1)

Publication Number Publication Date
CN109341949A true CN109341949A (en) 2019-02-15

Family

ID=65292412

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811022400.7A Pending CN109341949A (en) 2018-09-03 2018-09-03 A kind of big object hanging method check weighing center device of experiment of machanics

Country Status (1)

Country Link
CN (1) CN109341949A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6971263B1 (en) * 2002-04-29 2005-12-06 Peter Ingalls Colman Golf ball precision balancing system
US20100084201A1 (en) * 2007-04-10 2010-04-08 Fraunhofer-Gesellschaft Zur Forderung Der Angewand Ten Forschung E.V. Method for determining centers of mass for large structures
CN102323007A (en) * 2011-08-15 2012-01-18 中国航空工业集团公司西安飞机设计研究所 Flutter model center of gravity positioner
CN104458124A (en) * 2014-11-27 2015-03-25 江西洪都航空工业集团有限责任公司 Barycenter measuring method
CN205487018U (en) * 2016-01-25 2016-08-17 赵常旭 Center gravity shifting presentation device
CN106944998A (en) * 2017-04-19 2017-07-14 江苏科技大学 A kind of tuning for Controllable Pitch Propeller blade center of gravity automatic marking device and its labeling method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6971263B1 (en) * 2002-04-29 2005-12-06 Peter Ingalls Colman Golf ball precision balancing system
US20100084201A1 (en) * 2007-04-10 2010-04-08 Fraunhofer-Gesellschaft Zur Forderung Der Angewand Ten Forschung E.V. Method for determining centers of mass for large structures
CN102323007A (en) * 2011-08-15 2012-01-18 中国航空工业集团公司西安飞机设计研究所 Flutter model center of gravity positioner
CN104458124A (en) * 2014-11-27 2015-03-25 江西洪都航空工业集团有限责任公司 Barycenter measuring method
CN205487018U (en) * 2016-01-25 2016-08-17 赵常旭 Center gravity shifting presentation device
CN106944998A (en) * 2017-04-19 2017-07-14 江苏科技大学 A kind of tuning for Controllable Pitch Propeller blade center of gravity automatic marking device and its labeling method

Similar Documents

Publication Publication Date Title
CN207449120U (en) A kind of automatic film-laminating device
CN208991682U (en) A kind of synchronous corner combining machine of aluminium door and window convenient for precisely organizing angle
CN210021546U (en) Automatic micron-sized spraying dust-settling equipment
CN206327968U (en) One kind is used to decorate plastic film wrap-up
CN109032370A (en) A kind of scalable computer keyboard and its application method with hand drawing board
CN109341949A (en) A kind of big object hanging method check weighing center device of experiment of machanics
CN210857903U (en) Movable back glue applying device for ceramic tiles
CN215612414U (en) Circuit board surface spraying device
CN206807089U (en) A kind of adjustable for height charger for mobile phone support
CN209784344U (en) Wind power flaw detection equipment convenient to carry in high altitude
CN206049010U (en) A kind of pad printing machine
CN212965290U (en) Chip testing device with limiting mechanism
CN211641438U (en) Spout seal device convenient to quick fixation
CN207546902U (en) A kind of Novel Optoelectronic Device point glue equipment
CN209443722U (en) A kind of finishing paint cylinder brush
CN209410437U (en) A kind of improved-type battery protection film coating unit
CN205615034U (en) Paint sediment pressurized -water device
CN208812697U (en) A kind of nameplate base stock mechanism for stripping
CN206818751U (en) A kind of circuit docking facilities of touch-screen detection
CN210390263U (en) Sealing and gluing device for production of packaging boxes
CN106269630A (en) A kind of wallboard cleans bracing frame
CN210348938U (en) Hypocycloid trajectory science popularization demonstration device
CN220254729U (en) PTFE tectorial membrane production process static eliminator
CN209312941U (en) A kind of lithium battery production insulating paper sticker for having self-checking function
CN209307272U (en) Heat conductive pad sticker

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned

Effective date of abandoning: 20211001

AD01 Patent right deemed abandoned