CN108766133A - A kind of quick demonstration instrument of vibration experiment - Google Patents
A kind of quick demonstration instrument of vibration experiment Download PDFInfo
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- CN108766133A CN108766133A CN201810622239.0A CN201810622239A CN108766133A CN 108766133 A CN108766133 A CN 108766133A CN 201810622239 A CN201810622239 A CN 201810622239A CN 108766133 A CN108766133 A CN 108766133A
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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
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Abstract
The invention discloses a kind of quick demonstration instruments of vibration experiment, including babinet, the side of the babinet is equipped with case lid, it is symmetrically installed with support base on the both sides inner wall of babinet, two support base sides close to each other are installed with the same supporting rod, the both sides of supporting rod are equidistantly installed with multiple display poles, symmetrically there are two mounting bases for fixed installation for the side of supporting rod, side of the mounting base far from supporting rod offers mounting groove, fixed seat is slidably fitted in mounting groove, the bottom of fixed seat is in contact with the bottom interior wall of mounting groove, surge device is installed at the top of fixed seat, it is extended to outside mounting groove at the top of surge device, the side that two mounting grooves are located remotely from each other offers through-hole, it is slidably fitted with kelly in the through-hole, the both ends of kelly all extend to outside through-hole.The configuration of the present invention is simple, manufacturing cost is low, agitates device by fast assembling-disassembling, can demonstrate different experimental phenomenas, consequently facilitating teaching uses.
Description
Technical field
The present invention relates to technical field of teaching apparatus more particularly to a kind of quick demonstration instruments of vibration experiment.
Background technology
It is general that the vibration of single-degree-of-freedom object is demonstrated using the model of spring oscillator in physical teaching course.
Vibration for infinite degrees of freedom object, is generally demonstrated by simply supported beam or cantilever beam.
Through retrieval, the patent document of Publication No. CN106448364B discloses a kind of simply supported beam fiber communication experiment demonstration instrument, leads to
The displacement vibration for crossing amplification simply supported beam, intuitively demonstrates each rank principal mode of simply supported beam, facilitates infinite degrees of freedom object
Explain to mode of oscillation teaching experiment.Beam body is vibrated under the exciting of vibrator in this demonstrator, when the exciting of vibrator
Frequency is equal to certain rank intrinsic frequency of beam body, and beam body will produce resonance, and vibration shape is close to its corresponding principal mode.When slow
When improving the excited frequency of vibrator, it will be observed that variation of the beam body from the first rank principal mode to three rank principal mode of second order.It is logical
The paired observation to the multistage vibration shape is crossed, deepens the understanding to modal superposition to vibration, but its structure is complex, passes through setting three
A simply supported beam is tested, and considerably increase instrument is manufactured into surge device, and when vibrator damage, is not easy to replace.
Invention content
Technical problems based on background technology, the present invention propose a kind of quick demonstration instrument of vibration experiment.
The side of the quick demonstration instrument of a kind of vibration experiment proposed by the present invention, including babinet, the babinet is equipped with case lid,
Support base is symmetrically installed on the both sides inner wall of babinet, two support base sides close to each other are installed with same
The both sides of supporting rod, supporting rod are equidistantly installed with multiple display poles, and the side of supporting rod is symmetrically installed with two
A mounting base, side of the mounting base far from supporting rod offer mounting groove, fixed seat are slidably fitted in mounting groove, fixed seat
Bottom is in contact with the bottom interior wall of mounting groove, and surge device is installed at the top of fixed seat, agitates and is extended at the top of device
Outside mounting groove, the side that two mounting grooves are located remotely from each other offers through-hole；
Kelly is slidably fitted in the through-hole, the both ends of kelly all extend to outside through-hole, and two fixed seats are located remotely from each other
Side offer the wedge groove that bottom is opening, offer card slot on two wedge grooves side inner wall close to each other,
Two kelly one end close to each other extend through two wedge grooves, and are slidably mounted on respectively in two card slots, and through-hole is separate
Open up fluted on the side inner wall of supporting rod, side of the kelly far from supporting rod is installed with fixed block；Fixed block is separate
The side of kelly extends in groove, and is rotatablely equipped with push rod, and push rod is obliquely installed, side inner wall of the groove far from mounting groove
On be installed with supporting block, groove is installed with slide bar on the side inner wall far from slot opening, and slide bar is opened close to groove
One end of mouth is fixedly mounted in supporting block, and sliding sleeve is equipped with slide on slide bar.
Preferably, cavity is offered on the display pole, is equipped with iron sand powder in cavity, display pole is made of transparent material.
Preferably, the center of the supporting rod is arranged with coil.
Preferably, locating slot is offered on two mounting grooves side inner wall close to each other, two fixed seats are close to each other
Side be installed with locating piece, locating piece is slidably connected with locating slot.
Preferably, one end that the kelly is located in card slot is nested with ball, and ball is adapted with wedge groove.
Preferably, the through-hole offers limiting slot on the side inner wall of supporting rod, kelly close to supporting rod one
Side is installed with limited block, and limited block is slidably connected with limiting slot.
Preferably, the one end of the push rod far from fixed block is rotatably installed on slide, is arranged on slide bar and is welded on cunning
Spring on seat, the one end of spring far from slide are welded on side inner wall of the groove far from slot opening.
Preferably, one end that two kellies are located remotely from each other vertically is installed with pull rod, and fixing sleeve is equipped with anti-on pull rod
Sliding sleeve.
The beneficial effects of the invention are as follows：By babinet, case lid, support base, supporting rod, display pole, mounting base, mounting groove,
Fixed seat, surge device, through-hole, kelly, wedge groove, card slot, groove, fixed block, push rod, supporting block, slide bar, slide and spring phase
Cooperation, installation surge device in mounting base, i.e., stick into surge device in mounting groove with fixed seat one of on supporting rod, this
When locating piece stick into locating slot, kelly and ball stick into wedge groove, and pressing surge device, ball will be on the inner wall of wedge groove
Roll and push kelly, kelly movement will drive fixed block movement, fixed block movement that push rod, push rod will be pushed to push slide to exist again
It is slided on slide bar, to compressed spring, when through-hole is aligned with groove, under the action of the spring, kelly will reset and stick into card
In slot, to which fixed seat and surge device to be fixed in mounting groove, restarts surge device, and coil is powered, make surge device
Vibration frequency reaches first natural frequency, makes the vibration shape of supporting rod close to the first rank principal mode, to observe iron sand powder
Then form recycles pull rod that kelly, pull rod is pulled to drive kelly, kelly is made to remove card slot, can will agitate device dismounting at this time,
Then surge device is installed according still further to above-mentioned installation steps in another mounting base, and start surge device, and coil is powered, is made
The vibration frequency of surge device reaches second-order intrinsic frequency, makes the vibration shape of supporting rod close to second-order principal mode, to see
Iron sand powder form is examined, then surge device will be installed simultaneously in two mounting bases, two surge device frequencies are adjusted to first respectively
Rank intrinsic frequency and second-order intrinsic frequency, and coil is powered, to observe iron sand powder form, while above-mentioned experiment three times is seen
The understanding that phenomenon can be convenient for student to be superimposed die body is examined, the configuration of the present invention is simple, manufacturing cost is low, is agitated by fast assembling-disassembling
Device can demonstrate different experimental phenomenas, consequently facilitating teaching uses.
Description of the drawings
Fig. 1 is the schematic cross-sectional view that the quick demonstration instrument of a kind of vibration experiment proposed by the present invention is overlooked；
Fig. 2 is the schematic cross-sectional view of part A in a kind of quick demonstration instrument of vibration experiment proposed by the present invention；
Fig. 3 is the schematic cross-sectional view of part B in Fig. 2；
Fig. 4 is the schematic cross-sectional view of C portion in Fig. 3.
In figure：1 babinet, 2 case lids, 3 support bases, 4 supporting rods, 5 display poles, 6 mounting bases, 7 mounting grooves, 8 fixed seats, 9 are swashed
Swing device, 10 through-holes, 11 kellies, 12 wedge grooves, 13 card slots, 14 grooves, 15 fixed blocks, 16 push rods, 17 supporting blocks, 18 slide bars, 19
Slide, 20 springs.
Specific implementation mode
The present invention is made further to explain with reference to specific embodiment.
Embodiment
With reference to figure 1-4, a kind of quick demonstration instrument of vibration experiment, including babinet 1 are proposed in the present embodiment, babinet 1
Side is equipped with case lid 2, is symmetrically installed with support base 3 on the both sides inner wall of babinet 1, two support bases 3 it is close to each other one
Side is installed with the same supporting rod 4, and the both sides of supporting rod 4 are equidistantly installed with multiple display poles 5, supporting rod 4
Side be symmetrically fixedly mounted there are two mounting base 6, side of the mounting base 6 far from supporting rod 4 offers mounting groove 7, mounting groove 7
It is inside slidably fitted with fixed seat 8, the bottom of fixed seat 8 is in contact with the bottom interior wall of mounting groove 7, and the top of fixed seat 8 is fixed
Surge device 9 is installed, the top of surge device 9 extends to outside mounting groove 7, and the side that two mounting grooves 7 are located remotely from each other offers
Through-hole 10；Kelly 11 is slidably fitted in through-hole 10, the both ends of kelly 11 all extend to outside through-hole 10, and two fixed seats 8 are mutual
Separate side offers the wedge groove 12 that bottom is opening, is opened up on two wedge grooves 12 side inner wall close to each other
There are card slot 13, two one end close to each other of kelly 11 to extend through two wedge grooves 12, and is slidably mounted on two cards respectively
In slot 13, through-hole 10 opens up fluted 14 on the side inner wall far from supporting rod 4, side of the kelly 11 far from supporting rod 4 is fixed
Fixed block 15 is installed；Side of the fixed block 15 far from kelly 11 extends in groove 14, and is rotatablely equipped with push rod 16, push rod
16 are obliquely installed, and groove 14 is installed with supporting block 17 on the side inner wall far from mounting groove 7, and groove 14 is opened far from groove 14
It is installed with slide bar 18 on the side inner wall of mouth, slide bar 18 is fixedly mounted on supporting block 17 close to one end that groove 14 is open
On, on slide bar 18 sliding sleeve be equipped with slide 19, by babinet 1, case lid 2, support base 3, supporting rod 4, display pole 5, mounting base 6,
Mounting groove 7, fixed seat 8, surge device 9, through-hole 10, kelly 11, wedge groove 12, card slot 13, groove 14, fixed block 15, push rod 16,
Supporting block 17, slide bar 18, slide 19 and spring 20 match, the installation surge device in mounting base 6 one of on supporting rod 4
9, i.e., surge device 9 is sticked into fixed seat 8 in mounting groove 7, locating piece sticks into locating slot at this time, and kelly 11 sticks into wedge with ball
In shape slot 12, pressing surge device 9, ball will roll on the inner wall of wedge groove 12 and push kelly 11, and 11 movement of kelly is by band
Dynamic fixed block 15 moves, and the movement of fixed block 15 will push push rod 16, push rod 16 that slide 19 is pushed to be slided on slide bar 18 again, to
Compressed spring 20, when through-hole 10 is aligned with groove 14, under the action of spring 20, kelly 11 will reset and stick into card slot 13
It is interior, to which fixed seat 8 and surge device 9 to be fixed in mounting groove 7, restarts surge device 9, and coil is powered, make surge device 9
Vibration frequency reach first natural frequency, make the vibration shape of supporting rod 4 close to the first rank principal mode, to observe iron sand
Powder form, then recycle pull rod pull kelly 11, pull rod drive kelly 11, make kelly 11 remove card slot 13, at this time can will
It agitates device 9 to dismantle, then surge device 9 is installed according still further to above-mentioned installation steps in another mounting base 6, and start surge device 9,
And coil is powered, so that the vibration frequency of surge device 9 is reached second-order intrinsic frequency, makes the vibration shape of supporting rod 4 close to
Second order principal mode to observe iron sand powder form, then will install surge device 9 simultaneously, respectively swash two in two mounting bases 6
It swings 9 frequency of device and is adjusted to first natural frequency and second-order intrinsic frequency, and coil is powered, to observe iron sand powder shape
State, while the above-mentioned phenomenon of Germicidal efficacy three times can be convenient for the understanding that student is superimposed die body, the configuration of the present invention is simple to be manufactured into
This is low, agitates device 9 by fast assembling-disassembling, can demonstrate different experimental phenomenas, consequently facilitating teaching uses.
In the present embodiment, cavity is offered on display pole 5, iron sand powder is equipped in cavity, and display pole 5 is transparent material system
At, the center of supporting rod 4 is arranged with coil, offers locating slot on two mounting grooves 7 side inner wall close to each other, and two
The side close to each other of a fixed seat 8 is installed with locating piece, and locating piece is slidably connected with locating slot, and kelly 11 is located at card slot
One end in 13 is nested with ball, and ball is adapted with wedge groove 12, and through-hole 10 offers on the side inner wall of supporting rod 4
Limiting slot, kelly 11 are installed with limited block close to the side of supporting rod 4, and limited block is slidably connected with limiting slot, push rod 16
One end far from fixed block 15 is rotatably installed on slide 19, and the spring 20 being welded on slide 19, bullet are arranged on slide bar 18
The one end of spring 20 far from slide 19 is welded on the side inner wall that groove 14 is open far from groove 14, and two kellies 11 are located remotely from each other
One end be vertically installed with pull rod, fixing sleeve is equipped with Anti-slip cover on pull rod, passes through babinet 1, case lid 2, support base 3, branch
Strut 4, display pole 5, mounting base 6, mounting groove 7, fixed seat 8, surge device 9, through-hole 10, kelly 11, wedge groove 12, card slot 13,
Groove 14, fixed block 15, push rod 16, supporting block 17, slide bar 18, slide 19 and spring 20 match, on supporting rod 4 wherein
Installation surge device 9 in one mounting base 6, i.e., stick into surge device 9 in mounting groove 7 with fixed seat 8, locating piece sticks into positioning at this time
In slot, kelly 11 is sticked into ball in wedge groove 12, and pressing surge device 9, ball will be rolled and be pushed away on the inner wall of wedge groove 12
Dynamic kelly 11, the movement of kelly 11 will drive fixed block 15 to move, and the movement of fixed block 15 will push push rod 16, push rod 16 to push cunning again
Seat 19 slides on slide bar 18, to compressed spring 20, when through-hole 10 is aligned with groove 14, and under the action of spring 20, card
Bar 11 will be resetted and be sticked into card slot 13, to which fixed seat 8 and surge device 9 to be fixed in mounting groove 7, restart surge device 9,
And coil is powered, so that the vibration frequency of surge device 9 is reached first natural frequency, makes the vibration shape of supporting rod 4 close to
Then single order principal mode recycles pull rod that kelly 11, pull rod is pulled to drive kelly 11, make kelly to observe iron sand powder form
11 remove card slot 13, at this time can dismantle surge device 9, then pacify in another mounting base 6 according still further to above-mentioned installation steps
Dress surge device 9, and start surge device 9, and coil is powered, so that the vibration frequency of surge device 9 is reached second-order intrinsic frequency, makes
The vibration shape of supporting rod 4 to observe iron sand powder form, then will simultaneously pacify close to second-order principal mode in two mounting bases 6
Surge device 9 is loaded onto, two 9 frequencies of surge device are adjusted to first natural frequency and second-order intrinsic frequency respectively, and by line
Circle is powered, and to observe iron sand powder form, while the above-mentioned phenomenon of Germicidal efficacy three times can be convenient for the reason that student is superimposed die body
Solution, the configuration of the present invention is simple, manufacturing cost is low, agitates device 9 by fast assembling-disassembling, can demonstrate different experimental phenomenas, to
It is used convenient for teaching.
In the present embodiment, device 9 is agitated by setting and realizes that vibration, supporting rod 4 are rectangular configuration, supporting rod 4 is steel plate pressure
Conjunction is made, and in actual use, device 9 is agitated in installation in mounting base 6 one of on supporting rod 4 first, i.e., will agitate device 9
It is sticked into mounting groove 7 with fixed seat 8, locating piece sticks into locating slot at this time, and kelly 11 is sticked into ball in wedge groove 12, presses
Device 9 is agitated, ball will roll on the inner wall of wedge groove 12 and push kelly 11, the movement of kelly 11 that fixed block 15 will be driven to move
Dynamic, the movement of fixed block 15 will push push rod 16, and push rod 16 pushes slide 19 to be slided on slide bar 18 again, thus compressed spring 20,
When through-hole 10 is aligned with groove 14, under the action of spring 20, kelly 11 will be resetted and be sticked into card slot 13, to fix
Seat 8 is fixed on surge device 9 in mounting groove 7, restarts surge device 9, and coil is powered, the vibration frequency of surge device 9 is made to reach
To first natural frequency, make the vibration shape of supporting rod 4 close to the first rank principal mode, to observe iron sand powder form, then
It recycles pull rod that kelly 11, pull rod is pulled to drive kelly 11, kelly 11 is made to remove card slot 13, surge device 9 can be dismantled at this time,
Then surge device 9 is installed according still further to above-mentioned installation steps in another mounting base 6, and start surge device 9, and coil is led to
Electricity makes the vibration frequency of surge device 9 reach second-order intrinsic frequency, makes the vibration shape of supporting rod 4 close to second-order principal mode,
To observe iron sand powder form, then surge device 9 will be installed in two mounting bases 6 simultaneously, respectively by two 9 frequency tune of surge device
Section is powered to first natural frequency and second-order intrinsic frequency, and by coil, to observe iron sand powder form, while above-mentioned three
Secondary Germicidal efficacy phenomenon can be convenient for the understanding that student is superimposed die body.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of quick demonstration instrument of vibration experiment, including babinet (1), which is characterized in that the side of the babinet (1) is equipped with case
It covers (2), support base (3), two support bases (3) side close to each other is symmetrically installed on the both sides inner wall of babinet (1)
It is installed with the same supporting rod (4), the both sides of supporting rod (4) are equidistantly installed with multiple display poles (5), support
The side of bar (4) is symmetrically fixedly mounted there are two mounting base (6), and side of the mounting base (6) far from supporting rod (4) offers installation
Slot (7), mounting groove (7) is interior to be slidably fitted with fixed seat (8), and the bottom of fixed seat (8) connects with the bottom interior wall of mounting groove (7)
It touches, surge device (9) is installed at the top of fixed seat (8), mounting groove (7) is extended to outside at the top of surge device (9), two peaces
The side that tankage (7) is located remotely from each other offers through-hole (10)；
It is slidably fitted with kelly (11) in the through-hole (10), the both ends of kelly (11) all extend to through-hole (10) outside, and two solid
The side that reservation (8) is located remotely from each other offers the wedge groove (12) that bottom is opening, and two wedge grooves (12) are close to each other
Card slot (13) is offered on the inner wall of side, two kelly (11) one end close to each other extend through two wedge grooves (12),
And be slidably mounted on respectively in two card slots (13), through-hole (10) opens up fluted on the side inner wall far from supporting rod (4)
(14), side of the kelly (11) far from supporting rod (4) is installed with fixed block (15)；The separate kelly (11) of fixed block (15)
Side extends in groove (14), and is rotatablely equipped with push rod (16), and push rod (16) is obliquely installed, and groove (14) is far from mounting groove
(7) supporting block (17) is installed on side inner wall, groove (14) is fixed on the side inner wall far from groove (14) opening
Slide bar (18) is installed, slide bar (18) is fixedly mounted on close to one end of groove (14) opening in supporting block (17), slide bar (18)
Upper sliding sleeve is equipped with slide (19).
2. the quick demonstration instrument of a kind of vibration experiment according to claim 1, which is characterized in that on the display pole (5)
Cavity is offered, is equipped with iron sand powder in cavity, display pole (5) is made of transparent material.
3. the quick demonstration instrument of a kind of vibration experiment according to claim 1, which is characterized in that the supporting rod (4)
Center is arranged with coil.
4. the quick demonstration instrument of a kind of vibration experiment according to claim 1, which is characterized in that two mounting groove (7) phases
Locating slot mutually is offered on close side inner wall, two fixed seat (8) sides close to each other are installed with locating piece, fixed
Position block is slidably connected with locating slot.
5. the quick demonstration instrument of a kind of vibration experiment according to claim 1, which is characterized in that the kelly (11) is located at
One end in card slot (13) is nested with ball, and ball is adapted with wedge groove (12).
6. the quick demonstration instrument of a kind of vibration experiment according to claim 1, which is characterized in that the through-hole (10) is close
Limiting slot is offered on the side inner wall of supporting rod (4), kelly (11) is installed with limit close to the side of supporting rod (4)
Block, limited block are slidably connected with limiting slot.
7. the quick demonstration instrument of a kind of vibration experiment according to claim 1, which is characterized in that the push rod (16) is separate
One end of fixed block (15) is rotatably installed on slide (19), and the spring being welded on slide (19) is arranged on slide bar (18)
(20), the one end of spring (20) far from slide (19) is welded on side inner wall of the groove (14) far from groove (14) opening.
8. the quick demonstration instrument of a kind of vibration experiment according to claim 1, which is characterized in that two kellies (11) are mutual
Separate one end is vertically installed with pull rod, and fixing sleeve is equipped with Anti-slip cover on pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810622239.0A CN108766133B (en) | 2018-06-15 | 2018-06-15 | Vibration experiment rapid demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810622239.0A CN108766133B (en) | 2018-06-15 | 2018-06-15 | Vibration experiment rapid demonstration instrument |
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| Publication Number | Publication Date |
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| CN108766133A true CN108766133A (en) | 2018-11-06 |
| CN108766133B CN108766133B (en) | 2020-07-31 |
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| CN201810622239.0A Active CN108766133B (en) | 2018-06-15 | 2018-06-15 | Vibration experiment rapid demonstration instrument |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761658A (en) * | 1987-01-28 | 1988-08-02 | Georgis Nicholas J | Method and apparatus for measuring experimental quantities using an ink jet impactless timing device |
| WO2004058371A1 (en) * | 2002-12-30 | 2004-07-15 | Lego A/S | A toy building set with a vibraton sensor |
| CN202372328U (en) * | 2011-12-15 | 2012-08-08 | 广西大学 | Integrated vibration experiment table |
| WO2016180937A1 (en) * | 2015-05-13 | 2016-11-17 | Devinant R&D | Pendulum clock |
| CN106448364A (en) * | 2016-11-29 | 2017-02-22 | 厉子宁 | Demonstrating instrument for simply supported beam vibration experiment |
| CN107755518A (en) * | 2017-12-08 | 2018-03-06 | 柳州通亿汽车配件制造有限公司 | Fuel tank edge-cutting and hole-punching mould |
| CN107853842A (en) * | 2017-12-26 | 2018-03-30 | 宁波诚风家居用品有限公司 | A kind of rotatable casket of multilayer |
| CN107929927A (en) * | 2017-12-16 | 2018-04-20 | 嘉兴新博信息科技有限公司 | A kind of quick comfortable anorectal surgical drug delivery device |
| CN207442890U (en) * | 2017-11-28 | 2018-06-01 | 江西信飞技术有限公司 | A kind of wireless router for realizing fire behavior automatic early-warning |
| CN207487657U (en) * | 2017-11-24 | 2018-06-12 | 湖北宇瑞建筑工程有限公司 | A kind of installation instrument of Architectural Equipment |
-
2018
- 2018-06-15 CN CN201810622239.0A patent/CN108766133B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761658A (en) * | 1987-01-28 | 1988-08-02 | Georgis Nicholas J | Method and apparatus for measuring experimental quantities using an ink jet impactless timing device |
| WO2004058371A1 (en) * | 2002-12-30 | 2004-07-15 | Lego A/S | A toy building set with a vibraton sensor |
| CN202372328U (en) * | 2011-12-15 | 2012-08-08 | 广西大学 | Integrated vibration experiment table |
| WO2016180937A1 (en) * | 2015-05-13 | 2016-11-17 | Devinant R&D | Pendulum clock |
| CN106448364A (en) * | 2016-11-29 | 2017-02-22 | 厉子宁 | Demonstrating instrument for simply supported beam vibration experiment |
| CN207487657U (en) * | 2017-11-24 | 2018-06-12 | 湖北宇瑞建筑工程有限公司 | A kind of installation instrument of Architectural Equipment |
| CN207442890U (en) * | 2017-11-28 | 2018-06-01 | 江西信飞技术有限公司 | A kind of wireless router for realizing fire behavior automatic early-warning |
| CN107755518A (en) * | 2017-12-08 | 2018-03-06 | 柳州通亿汽车配件制造有限公司 | Fuel tank edge-cutting and hole-punching mould |
| CN107929927A (en) * | 2017-12-16 | 2018-04-20 | 嘉兴新博信息科技有限公司 | A kind of quick comfortable anorectal surgical drug delivery device |
| CN107853842A (en) * | 2017-12-26 | 2018-03-30 | 宁波诚风家居用品有限公司 | A kind of rotatable casket of multilayer |
Non-Patent Citations (2)
| Title |
|---|
| B. KANG: ""Free vibration analysis of planar curved beams"", 《JOURNAL OF SOUND AND VIBRATION》 * |
| 张蔚波: ""振动教学实验台***研制"", 《山东建筑大学学报》 * |
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| Publication number | Publication date |
|---|---|
| CN108766133B (en) | 2020-07-31 |
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