CN106803386A - A kind of static balance teaching appliance - Google Patents
A kind of static balance teaching appliance Download PDFInfo
- Publication number
- CN106803386A CN106803386A CN201710222895.7A CN201710222895A CN106803386A CN 106803386 A CN106803386 A CN 106803386A CN 201710222895 A CN201710222895 A CN 201710222895A CN 106803386 A CN106803386 A CN 106803386A
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- China
- Prior art keywords
- rotating disk
- runner
- static balance
- teaching appliance
- balancing weight
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
-
- 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
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Business, Economics & Management (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Analysis (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Computational Mathematics (AREA)
- Testing Of Balance (AREA)
Abstract
The present invention provides a kind of static balance teaching appliance, belongs to mechanical teaching tools technical field.The rotary head of static balance teaching appliance, handle, bull stick, runner and rotating disk；One end of bull stick is connected through the inside of handle and with rotary head, and the other end is rotated with the middle part of rotating disk and is connected；Runner is set in the periphery of institute's rotating disk, and balancing weight is provided with rotating disk, and balancing weight is removably connected with rotating disk.The conveying arrangement has above-mentioned static balance teaching appliance, significantly solves that the measurement unbalanced equipment of revolving body is inconvenient to carry and baroque problem.
Description
Technical field
The present invention relates to mechanical teaching tools technical field, more particularly to a kind of static balance teaching appliance.
Background technology
Static balance equipment can accurately measure the amount of unbalance of revolving body, but, on the one hand, static balancing instrument on Vehicles Collected from Market
Few very few, the another aspect of teaching aid, because it needs computer equipment as nucleus equipment, so this just determines that static balance is surveyed
The limitation that amount testing stand is used, i.e., current static balance measuring apparatus can not allow student more to facilitate in common teaching link
Ground understands static balancing instrument, and must arrive corresponding laboratory and participate in experiment, and this just causes certain constraint to education activities.This
Outward, static balance measuring test-bed needs the high part of some sensitivity, adds computer as auxiliary, therefore, needed for it
Cost high will must allow many educational institutions to be hung back.
Therefore, design it is a kind of be easy to carry, static balance measurer device easy to use and with low cost is for rote teaching
There is earthshaking realistic meaning for persons.
The content of the invention
An object of the present invention is to provide a kind of static balance teaching appliance, and this static balance teaching appliance aims to solve the problem that existing skill
Static balance measurer device not Portable belt and awkward problem in art；
Another object of the present invention is to provide another static balance teaching appliance, this static balance teaching appliance aims to solve the problem that existing
Static balance measurer device inconvenient operation and relatively costly problem in technology.
To achieve the above object, the technical scheme is that：
A kind of static balance teaching appliance, the degree of balance for determining revolving body, the static balance teaching appliance includes rotary head, hand
Handle, bull stick, runner and rotating disk；One end of the bull stick is through the inside of the handle and is connected with the rotary head, the other end
Rotated with the middle part of the rotating disk and be connected；The runner is set in the periphery of the rotating disk, and balancing weight is provided with the rotating disk,
The balancing weight is removably connected with the rotating disk.
As a preferred technical solution of the present invention, locating slot and rotating hole, the positioning are provided with the rotating disk
Groove is symmetricly set on the eccentric direction of the rotating disk, and the rotating hole is opened in the middle part of the rotating disk, and the bull stick passes through
The rotating hole is rotated with the rotating disk and is connected.
As a preferred technical solution of the present invention, it is further opened with the rotating disk with repeated hole, the balancing weight is set
There is a split pin, the balancing weight inserts described with being connected with the rotating disk in repeated hole by by the split pin.
Used as a preferred technical solution of the present invention, the balancing weight includes support block and contiguous block, the contiguous block
In the support block, the support block is non magnetic material, and the contiguous block is magnetic material, and the split pin is set
On the contiguous block.
Used as a preferred technical solution of the present invention, the support block is block rubber, and the contiguous block is magnetic sheet.
Used as a preferred technical solution of the present invention, the runner is provided with eccentric block and turret apertures, the bias
Block be fixedly mounted on the runner and with the runner eccentric setting, the turret apertures be used for the rotating disk, described turn are installed
Disk hole and the runner eccentric setting.
As a preferred technical solution of the present invention, locating piece is additionally provided with the eccentric position of the runner, it is described
Locating piece cooperates with the locating slot and is radially fixed on the runner with by the rotating disk.
As a preferred technical solution of the present invention, spring base is provided with the runner, is set in the spring base
There is spring, jump ring is provided with the turret apertures, the rotating disk is axially fixed to the runner by the jump ring, the spring
On.
A kind of static balance teaching appliance, the static balance teaching appliance includes rotary head, handle, bull stick, runner, rotating disk and counterweight
Block；One end of the bull stick is connected through the inside of the handle and with the rotary head, and the other end turns with the middle part of the rotating disk
Dynamic connection；The runner is set in the periphery of the rotating disk, and the chute of strip is offered on the rotating disk, is set in the chute
There is lockable mechanism, the balancing weight is movable to the optional position in the strip chute.
Used as a preferred technical solution of the present invention, the balancing weight includes support block and contiguous block, the contiguous block
In the support block, the support block is non magnetic material, and the contiguous block includes multiple different size of magnetic patch.
The beneficial effects of the invention are as follows：
The present invention provides a kind of static balance teaching appliance by above-mentioned design, and the static balance teaching appliance has rotary head, handle, turns
Bar, runner and rotating disk, wherein, one end of bull stick is connected through handle with rotary head, and the other end is rotated with rotating disk and is connected, and runner is then
It is set in the periphery of rotating disk and is fixedly connected with rotating disk.Meanwhile, the balancing weight being detachably connected with rotating disk is provided with rotating disk.This
Static balance teaching appliance on runner due to runner and rotating disk, being wherein provided with eccentric block, so runner generally static unbalance
Revolving body, adds balancing weight on rotating disk, adjusts the relative position of position or regulation rotating disk and runner of the balancing weight on rotating disk
Put, static balance degree during so as to measuring runner and rotating disk in eccentric and concentric.As known from the above, static balance teaching
Instrument simple structure, simple operation, with being easy to carry, it is easy to use the characteristics of.
The present invention provides a kind of static balance teaching appliance by above-mentioned design, and the static balance teaching appliance has rotary head, handle, turns
Bar, runner and rotating disk, wherein, one end of bull stick is connected through handle with rotary head, and the other end is rotated with rotating disk and is connected, and runner is then
It is set in the periphery of rotating disk and is fixedly connected with rotating disk.This static balance teaching appliance is due to chute so that balancing weight is in chute
In be movable to optional position.Therefore, when carrying out static balance to runner and measuring, balancing weight constantly adjustment position can be made
Obtain it so just can constantly adjust the centroid position of runner and rotating disk on rotating disk at different positions；Additionally,
Balancing weight includes block rubber and multiple magnetic patch of different sizes, it is possible to multiple magnetic patch of different sizes are taken from balancing weight
Get off or place up, to obtain the balancing weight of different quality.Thus plant design and understand that the static balance teaching appliance not only can be with
Static balance of rotary wheel amount is taken multiple measurements, the centroid position of runner can also be measured.As known from the above, the static balance
Teaching appliance simple structure, simple operation, with being easy to carry, it is easy to use the characteristics of.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of embodiment of the present invention, below will be to be used needed for implementation method
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not to be seen as
It is the restriction to scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other related accompanying drawings are obtained according to these accompanying drawings.
The static balance teaching appliance structural representation that Fig. 1 is provided for first embodiment of the invention；
The static balance teaching appliance first angle view that Fig. 2 is provided for first embodiment of the invention；
The turntable structure schematic diagram that Fig. 3 is provided for first embodiment of the invention；
The rotaring wheel structure schematic diagram that Fig. 4 is provided for first embodiment of the invention；
The counterweight block structure schematic diagram that Fig. 5 is provided for first embodiment of the invention；
The static balance teaching appliance structure schematic diagram that Fig. 6 is provided for second embodiment of the invention；
The turntable structure schematic diagram that Fig. 7 is provided for second embodiment of the invention；
Chute and balancing weight mating connection structural representation that Fig. 8 is provided for second embodiment of the invention；
The sliding groove structure schematic diagram that Fig. 9 is provided for second embodiment of the invention；
The counterweight block structure schematic diagram that Figure 10 is provided for second embodiment of the invention.
Icon：1- static balance teaching appliances；2- rotary heads；3- handles；4- bull sticks；5- runners；6- rotating disks；7- balancing weights；8- determines
Position groove；9- rotating holes；10- matches somebody with somebody repeated hole；11- split pins；12- support blocks；13- contiguous blocks；14- eccentric blocks；15- turret apertures；16-
Locating piece；17- spring bases；18- chutes；19- lockable mechanisms；20- block rubbers；21- magnetic sheets；22- split pins；23- bearings；24-
Jump ring；25- first ends；The ends of 26- second；The slide rails of 27- first；The slide rails of 28- second；29- magnetic patch；30- is raised.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.It is real with the present invention for showing described in accompanying drawing generally herein
The component for applying example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to explanation, term " on ", D score, etc. instruction orientation or position relationship be
Based on orientation shown in the drawings or position relationship, or the orientation usually put when using of the invention product or position relationship,
It is for only for ease of the description present invention and simplifies description, must has rather than the device or element for indicating or implying meaning specific
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, in the present invention, unless otherwise clearly defined and limited, fisrt feature is on or below second feature
The first and second feature directly contacts can be included, it is also possible to including the first and second features be not directly contact but by it
Between other characterisation contact.And, fisrt feature is on second feature, top and above include fisrt feature the
Directly over two features and oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature is special second
Under levying, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Highly it is less than second feature.
Additionally, the term such as term " level ", " vertical " is not offered as requiring part abswolute level or pendency, and can be slightly
Low dip.It is not that the expression structure must be complete if " level " refers to only its direction with respect to more level for " vertical "
Full level, and can be to be slightly tilted.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or integratedly connect
Connect；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can
Being two connections of element internal.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
First embodiment：
Fig. 1 and Fig. 2 is refer to, the present embodiment provides a kind of static balance teaching appliance 1, it is mainly used in being turned round in rote teaching
The uneven measurement experiment of body, including rotary head 2, handle 3, bull stick 4, runner 5, rotating disk 6 and balancing weight 7.
The cylindrical structure of handle 3, bull stick 4 has the relative end 26 of first end 25 and second, and bull stick 4 passes through handle 3
Inside, its first end 25 is fixedly connected with rotary head 2 by bearing 23, and its second end 26 is then connected with rotating disk 6 by nut.Runner
5 are set on the excircle of rotating disk 6, and it is detachably connected with rotating disk 6.Balancing weight 7 is detachably arranged in the bias of rotating disk 6
On position.
Fig. 1 and Fig. 3 is refer to, coordinates reference picture 2, runner 5 in having certain thickness cyclic structure, open by the center portion thereof position
If turret apertures 15, turret apertures 15 and runner 5 eccentric setting.Meanwhile, the eccentric block 14 of ring-type is also equipped with runner 5；Runner 5
The eccentric direction of upper and turret apertures 15 is symmetrically arranged with two locating pieces 16.Additionally, being also equipped with least one spring on runner 5
Spring is installed in seat 17, spring base 17；Jump ring 24 is provided with turret apertures 15.
In the present embodiment, runner 5 uses quality of rubber materials, can also be other non-magnetic in other examples
The material of property.
Fig. 1 and Fig. 4 is refer to, coordinates reference picture 2, rotating disk 6 is in thin disc-shaped, and rotating hole 9 and counterweight are offered thereon
Hole 10, is further opened with two symmetrically arranged locating slots 8 being equipped with locating piece 16, and locating slot 8 is in the bias of rotating disk 6
On direction.Rotating disk 6 is fixedly connected by nut and bull stick 4, and spring and jump ring 24 are then for rotating disk 6 to be compressed and axially
It is fixed on runner 5；Meanwhile, rotating disk 6 is radially fixed on runner 5 by locating slot 8 and locating piece 16.
In the present embodiment, rotating disk 6 uses iron class material, in other examples, can also have for other
The material of magnetic.
Fig. 1 and Fig. 5 is refer to, coordinates reference picture 2, balancing weight 7 includes block rubber 20, magnetic sheet 21, and magnetic sheet 21 is arranged on rubber
On blob of viscose 20, balancing weight 7 by with the magnetic-adsorption of repeated hole 10 on the eccentric position of rotating disk 6, while balancing weight 7 and rotating disk 6 can
Releasably connect.Cylinder split pin 22 is also equipped with magnetic sheet 21, the split pin 22 is the magnetic material of tool, it can be inserted into
In with repeated hole 10, balancing weight 7 is arranged on rotating disk 6 with this.
Fig. 1 is refer to, coordinates reference picture 2 to Fig. 5, the operation principle of this static balance teaching appliance 1 is：
First, adjust rotating disk 6 so that rotating hole 9 is concentric with the external diameter of runner 5, removes balancing weight 7, holds handle 3, rotate
Rotary head 2, now because rotary head 2 is connected with rotating disk 6, runner 5 by bull stick 4, therefore, rotating disk 6, runner 5 are also rotated；If
Bull stick 4 occurs rocking obvious situation, then illustrate the unbalance mass, square of runner 5 be present in barycenter where sagittal plane
On, and exist without any moment of couple, that is, illustrate the static unbalance of runner 5.
Second, adjust rotating disk 6 so that rotating hole 9 is concentric with the external diameter of runner 5, and balancing weight 7 is arranged on rotating disk 6, is now revolved
Turn hole 9 is located at the center of runner 5, and rotating wheel 5, if now bull stick 4 is rocked not substantially, shows the static balance of runner 5.
3rd, rotating disk 6 is adjusted, make rotating hole 9 eccentric with the external diameter of runner 5, rotating wheel 5, the eccentric rotary of runner 5, if this
When bull stick 4 rock substantially, then show the static unbalance of runner 5.
4th, rotating disk 6 is adjusted, make rotating hole 9 eccentric with the external diameter of runner 5, balancing weight 7 is arranged on rotating disk by with repeated hole 10
On 6, rotating wheel 5, the eccentric rotary of runner 5, if now bull stick 4 is rocked not substantially, shows the static balance of runner 5.
In summary, this static balance teaching appliance 1 on runner 5 due to runner 5 and rotating disk 6, being wherein provided with eccentric block
14, so the generally static unbalance revolving body of runner 5, adds balancing weight 7 on rotating disk 6, regulation balancing weight 7 is on rotating disk 6
Position or the relative position of regulation rotating disk 6 and runner 5, during so as to measuring runner 5 and rotating disk 6 in eccentric and concentric
Static balance degree.It follows that the static balance teaching appliance 1 not only good operability, bulking value are smaller, be easy to carry, Er Qieqi
Manufacturing process is simple, with low cost, suits large area to popularize.
Second embodiment：
Fig. 6 and Fig. 7 is refer to, the present embodiment provides a kind of static balance teaching appliance 1, it is mainly used in being turned round in rote teaching
The uneven measurement experiment of body, it is with the difference in first embodiment：Balancing weight 7 is different with the connected mode of rotating disk 6.
In the present embodiment, static balance teaching appliance 1 includes rotary head 2, handle 3, bull stick 4, runner 5, rotating disk 6 and balancing weight
7。
Fig. 6, Fig. 7 and Fig. 8 are refer to, coordinates reference picture 9, rotating disk 6 includes lockable mechanism 19, and the lockable mechanism 19 includes
Chute 18, offers the first slide rail 27 and the second slide rail 28 on two sides of chute 18, the structure of the two is identical.
The two ends of balancing weight 7 are separately positioned in the first slide rail 27, the second slide rail 28 by connector, and balancing weight 7 can be
Slided in the first slide rail 27, the second slide rail 28 under the driving of connector.The side of chute 18 is provided with to be slided with the first slide rail 27, second
The Access Division (not marked in figure) that rail 28 is engaged.The port of Access Division is provided with row's projection 30.The projection 30 is in sawtooth
Shape and it is equipped with connector, its slip that can limit balancing weight 7 so that balancing weight 7 is movable in chute 18 appoints
Meaning position.
Figure 10 is refer to, coordinates reference picture 6, balancing weight 7 includes block rubber 20 and multiple magnetic patch 29 of different sizes, magnetic patch
29 be arranged on block rubber 20 on, balancing weight 7 by with the magnetic-adsorption of repeated hole 10 on the eccentric position of rotating disk 6, while balancing weight 7
It is detachably connected with rotating disk 6.
In summary, this static balance teaching appliance 1 is due to chute 18 so that balancing weight 7 is movable in chute 18
Optional position.Therefore, when carrying out static balance to runner 5 and measuring, can be by the constantly adjustment position of balancing weight 7 so that it can be with
On rotating disk 6 at different positions, the centroid position of runner 5 and rotating disk 6 so just can be constantly adjusted；Additionally, counterweight
Block 7 includes block rubber 20 and multiple magnetic patch 29 of different sizes, it is possible to by multiple magnetic patch 29 of different sizes from balancing weight 7
On take off or place up, to obtain the balancing weight 7 of different quality.Thus plant design and understand that the static balance teaching appliance 1 is not
The static balance amount of runner 5 can only be taken multiple measurements, the centroid position of runner 5 can also be measured.It follows that should
Not only good operability, bulking value are smaller for static balance teaching appliance 1, be easy to carry, and its manufacturing process is simple, with low cost,
Suit large area to popularize.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a kind of static balance teaching appliance, the degree of balance for determining revolving body, it is characterised in that：The static balance teaching appliance includes
Rotary head, handle, bull stick, runner and rotating disk；One end of the bull stick is connected through the inside of the handle and with the rotary head,
The other end is rotated with the middle part of the rotating disk and is connected；The runner is set in the periphery of the rotating disk, is provided with the rotating disk
Balancing weight, the balancing weight is removably connected with the rotating disk.
2. static balance teaching appliance according to claim 1, it is characterised in that：Locating slot and rotation are provided with the rotating disk
Hole, the locating slot is symmetricly set on the eccentric direction of the rotating disk, and the rotating hole is opened in the middle part of the rotating disk, institute
Bull stick is stated to be connected with rotating disk rotation by the rotating hole.
3. static balance teaching appliance according to claim 2, it is characterised in that：It is further opened with the rotating disk with repeated hole, institute
State balancing weight and be provided with split pin, the balancing weight inserts described with connecting with the rotating disk in repeated hole by by the split pin
Connect.
4. static balance teaching appliance according to claim 3, it is characterised in that：The balancing weight includes support block and connection
Block, the contiguous block is arranged in the support block, and the support block is non magnetic material, and the contiguous block is magnetic material,
The split pin is arranged on the contiguous block.
5. static balance teaching appliance according to claim 4, it is characterised in that：The support block is block rubber, the connection
Block is magnetic sheet.
6. static balance teaching appliance according to claim 5, it is characterised in that：The runner is provided with eccentric block and rotating disk
Hole, the eccentric block be fixedly mounted on the runner and with the runner eccentric setting, the turret apertures are used to install described
Rotating disk, the turret apertures and the runner eccentric setting.
7. static balance teaching appliance according to claim 6, it is characterised in that：It is additionally provided with the eccentric position of the runner
Locating piece, the locating piece cooperates with the locating slot and is radially fixed on the runner with by the rotating disk.
8. static balance teaching appliance according to claim 7, it is characterised in that：Spring base is provided with the runner, it is described
Spring is provided with spring base, jump ring is provided with the turret apertures, the jump ring, the spring are axially solid by the rotating disk
It is scheduled on the runner.
9. a kind of static balance teaching appliance, it is characterised in that：The static balance teaching appliance include rotary head, handle, bull stick, runner, turn
Disk and balancing weight；One end of the bull stick through the handle inside and be connected with the rotary head, the other end with described turn
The middle part of disk rotates connection；The runner is set in the periphery of the rotating disk, and the chute of strip is offered on the rotating disk, described
Lockable mechanism is provided with chute, the balancing weight is movable to the optional position in the strip chute.
10. static balance teaching appliance according to claim 9, it is characterised in that：The balancing weight includes support block and connection
Block, the contiguous block is arranged in the support block, and the support block is non magnetic material, and the contiguous block includes multiple different
The magnetic patch of size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710222895.7A CN106803386B (en) | 2017-04-06 | 2017-04-06 | Static balance teaching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710222895.7A CN106803386B (en) | 2017-04-06 | 2017-04-06 | Static balance teaching instrument |
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| CN106803386A true CN106803386A (en) | 2017-06-06 |
| CN106803386B CN106803386B (en) | 2023-02-28 |
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| CN203931270U (en) * | 2014-05-22 | 2014-11-05 | 杭州电子科技大学 | A kind of static and dynamic equilibrium demonstration instrument for teaching |
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| CN204988633U (en) * | 2015-07-31 | 2016-01-20 | 浙江金玛机床有限公司 | Static balancing device |
| CN105855569A (en) * | 2016-04-08 | 2016-08-17 | 盐城工学院 | Machining method of eccentric part |
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