CN208311359U - A kind of period composite construction lattice structure - Google Patents
A kind of period composite construction lattice structure Download PDFInfo
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- CN208311359U CN208311359U CN201820658415.1U CN201820658415U CN208311359U CN 208311359 U CN208311359 U CN 208311359U CN 201820658415 U CN201820658415 U CN 201820658415U CN 208311359 U CN208311359 U CN 208311359U
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Abstract
The utility model discloses a kind of period composite construction lattice structure, by period composite construction lattice structure cell element in x, y, the side's z upward continuation is formed.Based on the body of rod of lattice structure cell element, periodicity or relaxed periodicity insertion scatterer form smooth type period composite construction lattice structure cell element, by smooth type period composite construction lattice structure cell element in x, y, continuation arrangement is carried out on the direction z, forms smooth type period composite construction lattice structure；Based on the body of rod of lattice structure cell element, periodicity or relaxed periodicity arrangement raised body oscillator form male-type period composite construction lattice structure cell element, by male-type period composite construction lattice structure cell element in x, y, continuation arrangement is carried out on the direction z, forms male-type period composite construction lattice structure.By changing size, arrangement regulation and the position in lattice structure of insertion scatterer or raised body oscillator, the period composite construction lattice structure with different vibration dampings, shock insulation characteristic is formed.
Description
Technical field
The utility model belongs to engineering structure field more particularly to a kind of period composite construction lattice structure.
Background technique
A kind of novel lightweight structural material of lattice structure has lightweight, high tough, high-energy absorption, high specific stiffness, height
The good characteristic of specific strength, inside have biggish porosity so that its have in multifunction structure application aspect it is very wide
Prospect.Period composite construction has forbidden band characteristic, i.e., the vibration within the scope of frequency forbidden band or fluctuation can not be in the structure
It propagates, to realize the purpose of vibration damping sound insulation, this wave characteristic of period composite construction is the vibration isolation and vibration of engineering structure
Control provides a kind of new manipulation mechanism, and such as period composite construction is arranged in the propagation path of vibration or is answered using the period
The thought design structure itself for closing structure realizes the vibration isolation function of structure to prevent the vibration in special frequency channel from propagating in the structure
Can, or its defect step response is utilized, the vibration of lattice structure is induced and obstructed by different defective forms, further
Promote the fixed point of elastic vibration energy to absorb to disperse with orientation, is destroyed, formed to key area by the sacrifice in point defect region
Protective barrier, realize vibration isolation function.Based on the body of rod (1) of lattice structure cell element, periodicity or relaxed periodicity insertion dissipate
Beam (2) forms smooth type period composite construction lattice structure cell element, by smooth type period composite construction cell element in x, y, the direction z
Upper progress continuation arrangement, forms smooth type period composite construction lattice structure；Periodicity or relaxed periodicity arrange raised oscillator (3)
Male-type period composite construction lattice structure cell element is formed, by male-type period composite construction lattice structure cell element in x, y, the side z
Continuation arrangement is carried out upwards, forms male-type period composite construction lattice structure；Periodicity or relaxed periodicity insertion scatterer (2)
Smooth-raised mixed type period composite construction lattice structure cell element is formed with raised oscillator (3), by smooth-raised mixed type week
Phase composite construction lattice structure cell element is in x, y, and continuation arrangement is carried out on the direction z, forms smooth-raised mixed type period composite junction
Structure lattice structure.By the size, arrangement regulation and the arrangement in lattice structure that change insertion scatterer or raised body oscillator
Position forms the period composite construction lattice structure with different vibration dampings, shock insulation characteristic, has preferable vibration damping, isolating affection, and
Suitable for special frequency channel vibration control problem.With traditional lattice structure ratio, period composite construction lattice structure has following spy
Point: it can be adjusted and control by size, constituent material and the arrangement of scatterer or raised oscillator, merely with the period
The band gap properties of composite construction lattice structure can realize vibration isolation function, and overall structure is simple, and manufacturing cost is low, construction party
Just.It is therefore proposed that a kind of period composite construction lattice structure has highly important engineering application value.
Summary of the invention
Technical problem: the purpose of the utility model is to provide a kind of period composite construction lattice structures, are embedded in by changing
The size of scatterer or raised body oscillator, arrangement regulation and position in lattice structure, formed have different vibration dampings, every
The period composite construction lattice structure of characteristic is shaken, there is preferable vibration damping, isolating affection, and is suitable for special frequency channel vibration control and asks
Topic.
Technical solution: a kind of period composite construction lattice structure of the utility model, the body of rod, scattering including lattice structure
Body；Based on the body of rod of lattice structure, periodicity or relaxed periodicity insertion scatterer form smooth type period composite construction point
Battle array architecture cell, by smooth type period composite construction lattice structure cell element in x, y carries out continuation arrangement on the direction z, is formed smooth
Type period composite construction lattice structure.
A kind of period composite construction lattice structure of the utility model, the body of rod, raised body oscillator including lattice structure；With
Based on the body of rod of lattice structure, periodicity or relaxed periodicity arrangement raised body oscillator form male-type period composite construction dot matrix
Architecture cell, by male-type period composite construction lattice structure cell element in x, y carries out continuation arrangement on the direction z, forms male-type
Period composite construction lattice structure.
A kind of period composite construction lattice structure of the utility model, based on the body of rod of lattice structure, periodically or
Relaxed periodicity insertion scatterer and raised body oscillator form smooth-raised mixed type period composite construction lattice structure cell element, will
Smooth-raised mixed type period composite construction lattice structure cell element is in x, y, carries out continuation arrangement on the direction z, is formed smooth-convex
Play mixed type period composite construction lattice structure.
Wherein,
The lattice structure includes pyramid, tetrahedral, Kagome type.
The material of the body of rod of the lattice structure is metal, rubber, concrete, ceramics or fibre reinforced composites.
The material of the scatterer be metal, rubber, concrete, ceramics or fibre reinforced composites, and periodically or
Relaxed periodicity insertion scatterer has two constituent elements, three constituent elements or more to organize n-ary form n；The size of the scatterer is along lattice structure
Change of gradient occurs for body of rod direction.
The material of the raised body oscillator is metal, rubber, concrete, ceramics or fibre reinforced composites, and period
Property or relaxed periodicity arrangement raised body oscillator have two constituent elements, three constituent elements or more organize n-ary form n；The size of the raised body oscillator
It is that change of gradient occurs for body of rod direction along lattice structure.
The periodicity or relaxed periodicity are embedded in scatterer, form lattice structure by its different arrangement regulation and specifically prohibit
Band characteristic, vibration localization characteristic and vibration direction propagation characteristic.
The periodicity or relaxed periodicity are embedded in raised body oscillator, and it is specific to form lattice structure by its different arrangement regulation
Forbidden band characteristic, vibration localization characteristic and vibration direction propagation characteristic.
The periodicity or relaxed periodicity insertion scatterer and periodicity or relaxed periodicity arrange raised body oscillator, its from
While body arrangement has regularity, faultiness design is carried out, the vibration of lattice structure is lured by different defective forms
It leads and obstructs, further promote the fixed point of elastic vibration energy to absorb and disperse with orientation, destroyed by the sacrifice in point defect region,
The protective barrier to key area is formed, realizes vibration isolation function.
The utility model has the advantages that a kind of period composite construction lattice structure proposed has preferable vibration damping, isolating affection, and it is suitable for
Special frequency channel vibration control problem.Can carry out faultiness design, by different defective forms to the vibratory response of lattice structure into
Row induction promotes the fixed point of elastic energy to absorb and disperses with orientation, destroyed, formed to key by the sacrifice in point defect region
The protective barrier in region.With traditional lattice structure ratio, period composite construction lattice structure has the following characteristics that can be by dissipating
Size, constituent material and the arrangement of beam or raised oscillator are adjusted and control, merely with period composite construction dot matrix
The band gap properties of structure can realize vibration isolation function, and overall structure is simple, and manufacturing cost is low, easy for construction.
Detailed description of the invention
Fig. 1 is that the smooth type period composite construction pyramid dot matrix architecture cell continuation process of two constituent elements of the utility model is shown
It is intended to；
Fig. 2 is the smooth type period composite construction pyramid dot matrix architecture cell elevation of two constituent elements of the utility model；
Fig. 3 is that the two constituent element male-type period composite construction pyramid dot matrix architecture cell continuation processes of the utility model are shown
It is intended to；
Fig. 4 is the two constituent element male-type period composite construction pyramid dot matrix architecture cell schematic diagrames of the utility model；
Fig. 5 is the smooth type period composite construction pyramid dot matrix architecture cell continuation of two constituent element of gradient of the utility model
Journey schematic diagram.
Fig. 6 is the smooth type period composite construction pyramid dot matrix architecture cell facade of two constituent element of gradient of the utility model
Figure.
Fig. 7 is the gradient two constituent element male-type periods composite construction pyramid dot matrix architecture cell continuation of the utility model
Journey schematic diagram.
Fig. 8 is two constituent element male-type period of the gradient composite construction pyramid dot matrix architecture cell facade of the utility model
Figure.
Fig. 9 is smooth-raised mixed type period composite construction pyramid dot matrix architecture cell continuation of the utility model
Journey schematic diagram.
Figure 10 is smooth-raised mixed type period composite construction pyramid dot matrix architecture cell facade of the utility model
Figure.
Figure 11 is that the composite construction pyramid dot matrix architecture cell containing the two constituent element male-type period of defect of the utility model prolongs
Open up process schematic.
Figure 12 is the composite construction pyramid dot matrix structural facades figure containing the two constituent element male-type period of defect of the utility model.
Have in figure: the body of rod 1 of lattice structure, scatterer 2, raised body oscillator 3.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.
The forming method of the utility model is as follows:
1) based on the body of rod 1 of lattice structure cell element, periodicity or relaxed periodicity insertion scatterer 2 form smooth type week
Phase composite construction lattice structure cell element, by smooth type period composite construction lattice structure cell element in x, y carries out continuation on the direction z
Arrangement, forms smooth type period composite construction lattice structure.
2) based on the body of rod 1 of lattice structure cell element, periodicity or relaxed periodicity arrangement raised body oscillator 3 form protrusion
Type period composite construction lattice structure cell element, by male-type period composite construction lattice structure cell element in x, y is carried out on the direction z
Continuation arrangement, forms male-type period composite construction lattice structure.
3) based on the body of rod 1 of lattice structure cell element, periodicity or relaxed periodicity are embedded in scatterer 2 and raised body oscillator
3 form smooth-raised mixed type period composite construction lattice structure cell element, by smooth-raised mixed type period composite construction point
Battle array architecture cell is in x, y, carries out continuation arrangement on the direction z, forms smooth-raised mixed type period composite construction lattice structure.
Periodicity or relaxed periodicity insertion scatterer 2 and periodicity or relaxed periodicity in the utility model arrange raised body
Oscillator 3 can carry out faultiness design, by different defective forms to dot matrix knot while its own arrangement has regularity
The vibration of structure is induced and is obstructed, and is further promoted the fixed point of elastic vibration energy to absorb and is dispersed with orientation, passes through point defect
The sacrifice in region destroys, and forms the protective barrier to key area, realizes vibration isolation function.
With reference to the accompanying drawing, the utility model is described in further detail by embodiment.
Embodiment 1:
As shown in Fig. 1~2, the present embodiment is the smooth type period composite construction pyramid dot matrix structure of two constituent elements, with dot matrix
Based on the structure body of rod 1, periodically it is embedded in scatterer 2 and forms the smooth type period composite construction pyramid dot matrix structure born of the same parents of two constituent elements
Member, by the smooth type period composite construction pyramid dot matrix architecture cell of two constituent elements in x, y carries out continuation arrangement on the direction z, is formed
The smooth type period composite construction pyramid dot matrix structure of two constituent elements.The material can realize vibration damping, shock insulation function, and can pass through change
Periodically the size of insertion scatterer 2 controls special frequency channel vibration.
Embodiment 2:
As shown in figs. 34, the present embodiment is two constituent element male-type period composite construction pyramid dot matrix structures, with dot matrix
Based on the structure body of rod 1, periodic arrangement raised body oscillator 3 forms two constituent element male-type period composite construction pyramid dot matrix knots
Structure cell element, by two constituent element male-type period composite construction pyramid dot matrix architecture cells in x, y carries out continuation arrangement on the direction z,
Form two constituent element male-type period composite construction pyramid dot matrix structures.The material can realize vibration damping, shock insulation function, and can pass through
The size for changing raised body oscillator 3 controls special frequency channel vibration.
Embodiment 3:
As shown in Fig. 5~6, the present embodiment is the smooth type period composite construction pyramid dot matrix structure of two constituent element of gradient, with
Based on the lattice structure body of rod 1, it is periodically embedded in scatterer 2, the size of scatterer 2 is along 1 length side of the body of rod in telescopiny
To gradually increasing, the smooth type period composite construction pyramid dot matrix architecture cell of two constituent element of gradient is formed, two constituent element of gradient is put down
Integer period composite construction pyramid dot matrix architecture cell is in x, y, and continuation arrangement is carried out on the direction z, and it is flat to form two constituent element of gradient
Integer period composite construction pyramid dot matrix structure.The material can realize vibration damping, shock insulation function, and can be by telescopiny
The size for changing scatterer 2 forms gradient, to realize the change of gradient of vibration damping on different directions, isolation property.
Embodiment 4:
As shown in Fig. 7~8, the present embodiment is two constituent element male-type period of gradient composite construction pyramid dot matrix structure, with
Based on the lattice structure body of rod 1, periodic arrangement raised body oscillator 3, placement process protrusions body oscillator 3 size along the body of rod
1 length direction gradually increases, and two constituent element male-type period of gradient composite construction pyramid dot matrix architecture cell is formed, by gradient two
Constituent element male-type period composite construction pyramid dot matrix architecture cell is in x, y, and continuation arrangement is carried out on the direction z, forms gradient two
Constituent element male-type period composite construction pyramid dot matrix structure.The material can realize vibration damping, shock insulation function, and can be by arranging
The size for changing raised body oscillator 3 in the process forms gradient, to realize vibration damping on different directions, the gradient of isolation property becomes
Change.
Embodiment 5
As shown in Fig. 9~10, the present embodiment is smooth-raised mixed type period composite construction pyramid dot matrix structure, with
Based on the lattice structure body of rod 1, it is periodically embedded in scatterer 2 and periodic arrangement raised body oscillator 3, it is mixed to form smooth-protrusion
Mould assembly period composite construction pyramid dot matrix architecture cell, by smooth-raised mixed type period composite construction pyramid dot matrix knot
Structure cell element is in x, y, and continuation arrangement is carried out on the direction z, forms smooth-raised mixed type period composite construction pyramid dot matrix knot
Structure.The material can realize vibration damping, shock insulation function, and can be by changing periodically insertion scatterer 2 and periodic arrangement raised body
The size of oscillator 3 controls special frequency channel vibration.
Embodiment 6:
As shown in Figure 11~12, the present embodiment is containing two constituent element male-type period of defect composite construction pyramid dot matrix knot
Structure, based on the lattice structure body of rod 1, periodic arrangement raised body oscillator 3, there are defects during arrangement, that is, are referring to
Position vacancy forms the composite construction pyramid dot matrix architecture cell containing the two constituent element male-type period of defect to form defect, will
Containing two constituent element male-type period of defect composite construction pyramid dot matrix architecture cell in x, y carries out continuation arrangement, shape on the direction z
At the composite construction pyramid dot matrix structure containing the two constituent element male-type period of defect.The material can realize vibration damping, shock insulation function, and can
Vibration is induced and is obstructed by faultiness design, further promotes the fixed point of elastic vibration energy to absorb and disperses with orientation,
It is destroyed by the sacrifice in point defect region, forms the protective barrier to key area, realize vibration isolation function.
Claims (10)
1. a kind of period composite construction lattice structure, which is characterized in that the body of rod (1), scatterer (2) including lattice structure；With
Based on the body of rod (1) of lattice structure, periodicity or relaxed periodicity insertion scatterer (2) form smooth type period composite construction point
Battle array architecture cell, by smooth type period composite construction lattice structure cell element in x, y carries out continuation arrangement on the direction z, is formed smooth
Type period composite construction lattice structure.
2. a kind of period composite construction lattice structure, which is characterized in that the body of rod (1), raised body oscillator including lattice structure
(3)；Based on the body of rod (1) of lattice structure, periodicity or relaxed periodicity arrangement raised body oscillator (3) form the male-type period
Composite construction lattice structure cell element, by male-type period composite construction lattice structure cell element in x, y carries out continuation cloth on the direction z
It sets, forms male-type period composite construction lattice structure.
3. a kind of period composite construction lattice structure, which is characterized in that based on the body of rod (1) of lattice structure, periodically or
Relaxed periodicity is embedded in scatterer (2) and raised body oscillator (3) and forms smooth-raised mixed type period composite construction lattice structure born of the same parents
Member, by smooth-raised mixed type period composite construction lattice structure cell element in x, y carries out continuation arrangement on the direction z, is formed flat
Whole-raised mixed type period composite construction lattice structure.
4. according to claim 1, the 2 or 3 period composite construction lattice structure, which is characterized in that the lattice structure includes
Pyramid, tetrahedral, Kagome type.
5. according to claim 1, the 2 or 3 period composite construction lattice structure, which is characterized in that the bar of the lattice structure
The material of body (1) is metal, rubber, concrete, ceramics or fibre reinforced composites.
6. according to claim 1 or the 3 period composite construction lattice structures, which is characterized in that the material of the scatterer (2)
For metal, rubber, concrete, ceramics or fibre reinforced composites, and periodicity or relaxed periodicity insertion scatterer (2) have two
Constituent element, three constituent elements or more organize n-ary form n；The size of the scatterer (2) is that gradient occurs for the body of rod (1) direction along lattice structure
Variation.
7. the period composite construction lattice structure according to Claims 2 or 3, which is characterized in that the raised body oscillator (3)
Material is metal, rubber, concrete, ceramics or fibre reinforced composites, and periodicity or relaxed periodicity arrangement raised body are shaken
Sub (3) have two constituent elements, three constituent elements or more to organize n-ary form n；The size of the raised body oscillator (3) is the body of rod (1) along lattice structure
Change of gradient occurs for direction.
8. period composite construction lattice structure according to claim 6, which is characterized in that the periodicity or relaxed periodicity are embedding
Enter scatterer (2), forms the specific forbidden band characteristic of lattice structure, vibration localization characteristic and vibration by its different arrangement regulation
Direction propagation characteristic.
9. period composite construction lattice structure according to claim 7, which is characterized in that the periodicity or relaxed periodicity are embedding
Enter raised body oscillator (3), by its different arrangement regulation formed the specific forbidden band characteristic of lattice structure, vibration localization characteristic and
Vibrate direction propagation characteristic.
10. period composite construction lattice structure according to claim 3, which is characterized in that the periodicity or relaxed periodicity
It is embedded in scatterer (2) and periodicity or relaxed periodicity arrangement raised body oscillator (3), there is the same of regularity in its own arrangement
When, faultiness design is carried out, the vibration of lattice structure is induced and obstructed by different defective forms, further promotes bullet
Property vibrational energy fixed point absorb and disperse with orientation, destroyed by the sacrifice in point defect region, form the protection to key area
Barrier realizes vibration isolation function.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488309A (en) * | 2018-05-04 | 2018-09-04 | 东南大学 | A kind of period composite construction lattice material |
| CN110211559A (en) * | 2019-06-20 | 2019-09-06 | 西安交通大学 | A kind of pyramid lattice scattering body is mingled with type underwater sound absorption structure |
| CN112461050A (en) * | 2020-12-12 | 2021-03-09 | 江西洪都航空工业集团有限责任公司 | Bulletproof armor containing metal lattice structure |
-
2018
- 2018-05-04 CN CN201820658415.1U patent/CN208311359U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488309A (en) * | 2018-05-04 | 2018-09-04 | 东南大学 | A kind of period composite construction lattice material |
| CN108488309B (en) * | 2018-05-04 | 2024-04-26 | 东南大学 | Lattice material with periodic composite structure |
| CN110211559A (en) * | 2019-06-20 | 2019-09-06 | 西安交通大学 | A kind of pyramid lattice scattering body is mingled with type underwater sound absorption structure |
| CN112461050A (en) * | 2020-12-12 | 2021-03-09 | 江西洪都航空工业集团有限责任公司 | Bulletproof armor containing metal lattice structure |
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