CN107419814A - Grading damper - Google Patents
Grading damper Download PDFInfo
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- CN107419814A CN107419814A CN201710348989.9A CN201710348989A CN107419814A CN 107419814 A CN107419814 A CN 107419814A CN 201710348989 A CN201710348989 A CN 201710348989A CN 107419814 A CN107419814 A CN 107419814A
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- 230000000694 effects Effects 0.000 claims abstract description 17
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 168
- 239000010959 steel Substances 0.000 claims description 168
- 238000007789 sealing Methods 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 235000003283 Pachira macrocarpa Nutrition 0.000 claims 1
- 240000001085 Trapa natans Species 0.000 claims 1
- 235000014364 Trapa natans Nutrition 0.000 claims 1
- 235000009165 saligot Nutrition 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000009329 sexual behaviour Effects 0.000 abstract description 3
- 238000013016 damping Methods 0.000 description 10
- 230000029052 metamorphosis Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Dampers (AREA)
Abstract
Grading damper, belong to building engineering structure anti-seismic technology field, for solving the problems, such as to widen damper use range, technical essential is：Including sliding damper, spring damper and the connector for sliding damper and spring damper, connector starts spring damper when sliding damper movement and stopping.Effect is：The vibrations of smaller or greater intensity no matter are met with, adaptability power consumption can be carried out, thus, use connector so that sliding friction is consumed energy in small shake, and spring consumes energy when shake greatly, and Sexual behavior mode is adapted to according to shockproofness by connector, so it is greatly broadened the use range of damper.
Description
Technical field
The invention belongs to building engineering structure anti-seismic technology field, it is related to a kind of damper.
Background technology
With earthquake take place frequently and the development of anti-seismic technology, people are while seismic design of structures is carried out, also gradually
Start to pay attention to the application of energy dissipator in the structure.Therefore, it can take installation that there is certain energy dissipation capacity in non-weight bearing area
The measure of device, and designing makes damper in itself with well from recovery capacity.When meeting with small shake, structure has in itself
Rigidity can ensure its normal use；When meeting with big shake, as structure deforms in itself, damper is also begun into non-resilient
In the stage, energy-dissipating and shock-absorbing, reduce the destruction of agent structure.
Energy-dissipating and shock-absorbing technology is mainly：By adding passive energy-dissipating device in original structure, consume originally by structure structure
The seismic energy of part consumption, slow down the deformation and damage brought by shock effect to structure significantly.The power consumption developed at present
Device mainly has：Viscous damper, viscoelastic damper, Metallic damper and friction energy dissipation device, wherein preceding two class is referred to as speed phase
Pass type energy consumer, rear two class are referred to as hysteresis type energy consumer, and Metallic damper is divided into lead damper and mild steel damper again.Hysteresis
Type energy consumer is using deformation and hysteresis consumed energy, and velocity correlation type energy consumer is made using viscosity relevant with speed resistance
Damping force is obtained with, change from small amplitude to large amplitude.
The cushioning effect to building typically is played using damper in the prior art, however, being given a shock the shadow of intensity
Ringing, spring rate requirement, which result in damper, can consume energy to offset big metamorphosis, thus, the damping of this rigidity requirement
Device is to small metamorphosis and insensitive, and still, small vibrations are still existing, and this portion of energy should be also consumed, and be made
Obtain no matter damper can meet with the vibrations of smaller or larger intensity, adaptability power consumption can be carried out.
The content of the invention
In order to solve the problems, such as to widen damper use range, the present invention proposes following scheme：
A kind of grading damper, including slide damper, spring damper and the company for sliding damper and spring damper
Fitting, connector start spring damper when sliding damper movement and stopping.
Further, the slip damper includes the first steel plate group and the second steel plate group；First steel plate group is flat by two pieces
Capable steel plate composition, two steel plates, which symmetrically run through, the chock for moving telescopic spring direction of the chock along two chocks of connection
Accommodating hole, it is located at by the chock that spring connects in the chock accommodating hole；Second steel plate group is made up of two blocks of parallel steel plates, and this two
Distance between individual steel plate allows inwall of the first steel plate group along the second steel plate to slide, and two steel plates, which symmetrically run through to have, makes chock quilt
The chock fixing hole of ejection, and there is axis hole at the rear of chock fixing hole along glide direction.
Further, the spring damper includes outer sleeve, inner cylinder；Outer sleeve is horizontal positioned hollow cylinder, its
Side bottom surface is not closed, and inner cylinder is the horizontal positioned hollow cylinder that diameter is less than outer sleeve, and it also there is side bottom surface not seal
Close, and be placed in by the bottom surface of not closing of inner cylinder towards the closing bottom surface of outer sleeve in outer sleeve, and inner cylinder does not close bottom surface
There is a distance between the closing bottom surface of outer sleeve, there is spring between the sealing surface of inner cylinder and the sealing surface of outer sleeve.
Further, described connector includes steel arm, lifting arm, steel column, and the second steel plate group is connected to outer sleeve envelope
Close the outer wall of bottom surface；Side of the chock accommodating hole of an at least steel plate for the first steel plate group more away from the second steel plate group is consolidated
Surely there is a fixing axle, there are two steel arms to be attached to form " L " shape steel arm, be provided with the axis hole of the second steel plate group
One axle, another two steel arm are connected on the axle to form " L " shape steel arm, and two steel arms extend simultaneously due to the junction of axle
It is connected on lifting steel arm, lifting steel arm is provided with steel column；Two described " L " shape steel arms form rhombus activity by axis connection
Frame；Described steel column is plugged to inner cylinder by the spacing hole activity of outer sleeve, inner cylinder side, when steel column is plugged to inner cylinder, by steel
Post demarcates spring.
Further, the one end of the first described steel plate away from the second steel plate is connected with a baffle plate, and the baffle plate is connected to
On connecting plate, the closing bottom surface of inner cylinder is connected with a baffle plate, and the baffle plate is connected on connecting plate.
Further, described spring is the spring prepared by memorial alloy, and spring is had by the position that steel column divides
Recess；When rhombus activity box motion drive steel column moves up, the spacing hole on inner cylinder is departed from when it is moved, and by outer sleeve
Spacing hole is limited between inner cylinder and outer sleeve, and lifting arm is connected with " L " shape steel arm has an angle, makes lifting arm parallel
In the side of outer sleeve and inner cylinder, steel column is vertical grafting.
Beneficial effect：The invention enables the vibrations no matter damper can meet with smaller or larger intensity, can carry out
Adaptability consumes energy, thus, utilize connector so that in small shake, sliding friction is consumed energy, and spring consumes energy when shake greatly, and by
Connector adapts to Sexual behavior mode according to shockproofness, is so greatly broadened the use range of damper.
Brief description of the drawings
Fig. 1 is grading damper assembling effect figure.
Fig. 2 is Fig. 1 C-D structural maps.
Fig. 3 is the schematic diagram with triangular-shaped wedge steel plate.
Fig. 4 is C-D connection sectional views.
Wherein：1. the first steel plate group, 2. second steel plate groups, 3. chocks, 4. springs, 5. chock accommodating holes, 6. chocks are fixed
Hole, 7. axis holes, 8. outer sleeves, 9. inner cylinders, 10. springs, 11. steel arms, 12. lifting arms, 13. steel columns, 14. fixing axles, 15. gears
Plate, 16. connecting plates, 17.U type grooves.
Embodiment
Embodiment：A kind of grading damper, including slide damper, spring damper and slide damper and spring shock absorption
The connector of device, connector start spring damper when sliding damper movement and stopping.It is general in the prior art to use damping
Device plays the cushioning effect of building, however, by damping intensity effect, spring rate requirement, which result in damper, to consume energy
To offset big metamorphosis, thus, the damper of this rigidity requirement is still, small to small metamorphosis and insensitive
Vibrations are still existing, and this portion of energy should be also consumed so that no matter damper can meet with smaller or greater intensity
Vibrations, adaptability power consumption can be carried out, thus, use connector so that in small shake sliding friction consume energy, shake greatly
When spring consume energy, and Sexual behavior mode is adapted to according to shockproofness by connector, is so greatly broadened the use range of damper.
In one embodiment, the slip damper includes the first steel plate group and the second steel plate group；
The slip damper includes the first steel plate group 1 and the second steel plate group 2；
First steel plate group 1 is made up of two blocks of parallel steel plates, and two steel plates, which symmetrically run through to have, makes chock 3 along connection two
The chock accommodating hole 5 of the telescopic direction of spring 4 movement of chock 3, the chock 3 connected by spring 4 are located in the chock accommodating hole 5；
Second steel plate group 2 is made up of two blocks of parallel steel plates, and distance between two steel plates allows the first steel plate group 1 along the
The inwalls of two steel plates slides, and two steel plates are symmetrically through there is the chock fixing hole 6 that is ejected chock 3, and along glide direction
There is axis hole 7 at the rear of chock fixing hole 6.This solution provides one kind to slide damper, is embedded using two groups of parallel steel plates
Formula is slided, and using the spacing mode of chock, stops sliding when sliding intensity and being not suitable for supporting current seismic intensity, there is provided
One-level damping.
In one embodiment, the spring damper includes outer sleeve 8, inner cylinder 9；Outer sleeve 8 is horizontal positioned sky
Heart cylinder, its side bottom surface are not closed, and inner cylinder 9 is the horizontal positioned hollow cylinder that diameter is less than outer sleeve 8, and it also has one
Side bottom surface is not closed, and is placed in by the bottom surface of not closing of inner cylinder 9 towards the closing bottom surface of outer sleeve 8 in outer sleeve 8, and inner cylinder
9 do not close has a distance between bottom surface and the closing bottom surface of outer sleeve 8, in the envelope of the sealing surface and outer sleeve 8 of inner cylinder 9
Closing between face has spring 10.This solution provides a kind of spring damper, and it is an object of the present invention to provide two level shakes.
In one embodiment, described connector includes steel arm 11, lifting arm 12, steel column 13, and the second steel plate group 2 connects
It is connected to the outer wall that outer sleeve 8 closes bottom surface；The chock accommodating hole 5 of an at least steel plate for the first steel plate group 1 is more away from
The side of two steel plate groups 2 is fixed with a fixing axle 14, has two steel arms 11 to be attached to form " L " shape steel arm 11, described
One axle is installed in the axis hole 7 of the second steel plate group 2, another two steel arm 11 is connected on the axle to form " L " shape steel arm 11, and
And two steel arms 11, because the junction of axle extends and is connected on lifting steel arm 11, lifting steel arm 11 is provided with steel column 13；
Two described " L " shape steel arms 11 form rhombus activity box by axis connection；Described steel column 13 is by outer sleeve 8, inner cylinder 9 side
Spacing hole activity is plugged to inner cylinder 9, when steel column 13 is plugged to inner cylinder 9, is demarcated spring 10 by steel column 13.The program carries
Supplied a kind of connector, firsts and seconds damping be attached, and by connector another level damping failure after, automatic start two
Level damping, so as to obtain a kind of damper that adaptability damping selection is carried out automatically according to shockproofness of wide scope.
The one end of the first described steel plate away from the second steel plate is connected with a baffle plate 15, and the baffle plate 15 is connected to connecting plate
On 16, the closing bottom surface of inner cylinder 9 is connected with a baffle plate 15, and the baffle plate 15 is connected on connecting plate 16.
In one embodiment, the spring between the sealing surface of described inner cylinder 9 and the sealing surface of outer sleeve 8 is by remembering
Alloy is prepared, and spring has recess by the position that steel column 13 divides；The motion of rhombus activity box drives steel column 13 to moving up
Depart from the spacing hole on inner cylinder 9 when dynamic, when it is moved, and be limited in by the spacing hole of outer sleeve 8 between inner cylinder 9 and outer sleeve 8,
And lifting arm 12 is connected with " L " shape steel arm 11 has an angle, make side of the lifting arm 12 parallel to outer sleeve 8 and inner cylinder 9,
Steel column 13 is vertical grafting.
Steel column is limited between inner cylinder and outer sleeve, and the vertical grafting of steel column, in order to its maintenance when
Wait, it is easier to the position returned in inner cylinder, if directly deviating from overcoat, do not only take up larger space, and be not easy to reply, separately
On the one hand, it is memory alloy spring by spring selection, purpose is also for the superpower restoring force using memorial alloy so that damping
Afterwards, spring can accurately revert to initial state and position so that steel column smoothly divides spring when inserting inner cylinder.Shape is remembered
The super elastic characteristics for recalling alloy have many advantages compared with other ordinary metallic materials：Super elastic shape memory alloy is tired first
Labor characteristic is fine, and is inevitably damaged in other materials circulation, influences the life-span；Secondly marmem can recover
Strain value is very big, what ordinary metallic material was difficult to；Finally, due to Ovshinsky bulk modulus is more than geneva bulk modulus,
Shape memory alloy elastic modulus raises with temperature and increases (opposite with common metal), and this makes it still keep at relatively high temperatures
High elastic modulus.Therefore, the spring section of the device can be fabricated to using marmem.
The application method of grading damper described in above-mentioned each scheme is as follows：
Inwall of two steel plates of the first steel plate group 1 along the second steel plate group 2 slides, to the end of the steel plate group 1 of chock 3 and first
The chock 3 that makes be connected with spring with compression spring is contacted to be moved in accommodating hole, chock 3 with the first steel plate group 1 slide up to by
Being ejected in the chock fixing hole 6 of second steel plate group 2, the first steel plate group 1, which is fixed, no longer to be slided, described in the first steel plate group 1
Fixing axle 14 is slided with the first steel plate group 1, and in sliding process, " L " the shape steel arm 11 being connected thereto gradually deforms, and draws
Play connected another " L " shape steel arm 11 gradually to deform, be somebody's turn to do " L " shape steel arm 11 and deform to drive lifting arm 12 to be lifted up,
Lifting arm 12 drives connected steel column 13 to be lifted up, and the spring for making to be divided connects；
Lifting arm 12 is parallel to the side of outer sleeve 8 and inner cylinder 9, and steel column 13 is vertical grafting, and lifting arm 12 is lifted up
When, drive steel column 13 to depart from the spacing hole on inner cylinder 9, and by the spacing hole of outer sleeve 8 be limited in inner cylinder 9 and outer sleeve 8 it
Between.
Chock 3 is extruded, makes it by being bounced back in chock fixing hole 6, the first steel plate group 1 is outside along the inwall of the second steel plate group 2
Draw and slide, the fixing axle 14 in the first steel plate group 1 slides in and out with the first steel plate group 1, and in sliding process, is connected thereto
" L " shape steel arm 11 gradually deforms, and causes connected another " L " shape steel arm 11 gradually to deform, and is somebody's turn to do " L " shape steel arm 11 and deforms
To drive the falls downward of lifting arm 12, lifting arm 12 drives the connected falls downward of steel column 13, until steel column 13 is by spring
10 recess spring 10 will demarcate made of memorial alloy.
In a specific embodiment, the purpose of the disclosure is to mitigate the influence that vibrations are brought to structure, in building
Non-weight bearing area adds damper, using the characteristic passively to consume energy, reaches the purpose of energy-dissipating and shock-absorbing, mitigates structural damage.Skill
Art scheme is realized in：A kind of grading damper, SMA springs, and the metal arm of force are added in construction so that the device
Friction energy-dissipating is utilized when small deformation acts on, is consumed energy when large deformation acts on using spring.Such as Fig. 1 institutes when device acts on without external force
Show, as Fig. 4 shows that the vibration of structure small deformation only C-D section friction energy-dissipatings, section A-B do not work.Structure large deformation as shown in Figure 2 is shaken
Dynamic to drive the steel plate (the first steel plate group) with triangular-shaped wedge mobile, triangular-shaped wedge can move under telescopic spring effect
Dynamic, the steel plate with triangular-shaped wedge slides along another steel plate (the second steel plate group) inwall, until chock enters another steel plate
When in chock fixing hole, spring-return is original state, and chock is stuck at fixing hole.This disclosure relates to four steel arms, two steel arms
Intersect and crosspoint is connected to by connecting shaft (i.e. corresponding to " L " shape steel arm described in a upper embodiment, crosspoint is that axle connects
End), connecting shaft is fixed on the steel plate with triangular-shaped wedge, and another two steel arm also intersects and is connected to crosspoint by connecting shaft, even
Spindle axle is connected on another steel plate, and the free end of the two groups of intersection steel arms axle that intersects connects to form rhombus steel arm；
Wherein, this group that connecting shaft axle is connected on another steel plate intersects steel arm, and in intersection, two steel arms extend, and
Extending end connecting cross arm, transverse arm connection steel cylinder.Steel plate with triangular-shaped wedge drives the movement of rhombus steel arm, while rhombus steel
Arm movement drives the body arm of strip cylinder to be rotated around bolt, and steel cylinder can be pulled out, section A-B start-up operation spring-return power meeting
It is set to be moved in perforated sleeve, using the restoring force dissipation energy of spring, and the steel plate with triangular-shaped wedge can after shake
Pressing down triangular-shaped wedge taking human as ground makes its reset, can now draw the steel plate and be returned to original position.Fig. 3 shows with holes
Inner and outer sleeves be cylindrical shape cylinder, spring is placed directly in cylinder, spring is moved just in cylinder, spring
Segmentation is placed as shown in figure 1, its shiny surface of steel cylinder is advantageous to it and is preferably pulled out, and the depth that it is inserted in cylinder is appropriate,
So that small vibration is unlikely to be pulled out when acting on.The effect of the disclosure is can to mitigate the influence that vibrations are brought, and device letter
List is easy to operate to be connected by way of assembling, reparation and daily maintenance after convenient disassembly and convenient shake,
Field of civil engineering is can be widely applied to, huge economic benefit and social benefit can be brought.
It is described above, the only preferable embodiment of the invention, but the protection domain of the invention is not
This is confined to, any one skilled in the art is in the technical scope that the invention discloses, according to the present invention
The technical scheme of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection domain it
It is interior.
Claims (6)
1. a kind of grading damper, it is characterised in that including sliding damper, spring damper and damper and spring will be slided
The connector of damper connection, connector start spring damper when sliding damper movement and stopping.
2. grading damper as claimed in claim 1, it is characterised in that the slip damper includes the first steel plate group (1)
And the second steel plate group (2)；
First steel plate group (1) is made up of two blocks of parallel steel plates, and two steel plates, which symmetrically run through to have, makes chock (3) along connection two
The chock accommodating hole (5) of spring (4) telescopic direction movement of chock (3), is located at the chock by the chock (3) that spring (4) connects
In accommodating hole (5)；
Second steel plate group (2) is made up of two blocks of parallel steel plates, and distance between two steel plates allows the first steel plate group (1) along the
The inwalls of two steel plates slides, and two steel plates are symmetrically through there is the chock fixing hole (6) that is ejected chock (3), and along slip
Direction has axis hole (7) at the rear of chock fixing hole (6).
3. grading damper as claimed in claim 2, it is characterised in that the spring damper includes outer sleeve (8), inner cylinder
(9)；Outer sleeve (8) is horizontal positioned hollow cylinder, and its side bottom surface is not closed, and inner cylinder (9) is that diameter is less than outer sleeve (8)
Horizontal positioned hollow cylinder, it also there is side bottom surface not close, and does not close bottom surface towards overcoat by inner cylinder (9)
The closing bottom surface of cylinder (8) is placed in outer sleeve (8), and between the closing bottom surface for not closing bottom surface and outer sleeve (8) of inner cylinder (9)
With a distance, there is spring (10) between the sealing surface of inner cylinder (9) and the sealing surface of outer sleeve (8).
4. grading damper as claimed in claim 3, it is characterised in that described connector includes steel arm (11), lifting arm
(12), steel column (13), and the second steel plate group (2) is connected to the outer wall of outer sleeve (8) closing bottom surface；The first steel plate group (1)
Side of the chock accommodating hole (5) more away from the second steel plate group (2) of an at least steel plate be fixed with a fixing axle (14), have two
Individual steel arm (11) is attached to, to form " L " shape steel arm (11), one is provided with the axis hole (7) of the second steel plate group (2)
Axle, another two steel arm (11) is connected on the axle to form " L " shape steel arm (11), and two steel arms (11) are due to the company of axle
The place of connecing extends and is connected on lifting steel arm (11), and lifting steel arm (11) is provided with steel column (13)；Two described " L " shape steel arms
(11) rhombus activity box is formed by axis connection；Described steel column (13) is by outer sleeve (8), the spacing hole activity of inner cylinder (9) side
Inner cylinder (9) is plugged to, when steel column (13) is plugged to inner cylinder (9), is demarcated spring (10) by steel column (13).
5. the grading damper as described in claim 2-4 Arbitrary Terms, it is characterised in that the first described steel plate is away from the second steel
One end of plate is connected with a baffle plate (15), and the baffle plate (15) is connected on connecting plate (16), the closing bottom surface and one of inner cylinder (9)
Baffle plate (15) is connected, and the baffle plate (15) is connected on connecting plate (16).
6. grading damper as claimed in claim 4, it is characterised in that the sealing surface of described inner cylinder (9) and outer sleeve (8)
Sealing surface between spring to be prepared by memorial alloy, and spring has recess by the position that steel column (13) divides；Water chestnut
Depart from the spacing hole on inner cylinder (9) when shape activity box motion drive steel column (13) moves up, when it is moved, and by outer sleeve
(8) spacing hole is limited between inner cylinder (9) and outer sleeve (8), and lifting arm (12) is connected with " L " shape steel arm (11) and had
One angle, makes side of the lifting arm (12) parallel to outer sleeve (8) and inner cylinder (9), and steel column (13) is vertical grafting.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348989.9A CN107419814B (en) | 2017-05-17 | 2017-05-17 | Grading damper |
| CN201711358208.0A CN108049516B (en) | 2017-05-17 | 2017-05-17 | Grading shock absorber with memory alloy spring |
| CN201811215288.9A CN109208775B (en) | 2017-05-17 | 2017-05-17 | Spring damper of grading damper |
| CN201811215973.1A CN108999308B (en) | 2017-05-17 | 2017-05-17 | Sliding shock absorber of grading shock absorber |
| CN201811216048.0A CN108999309B (en) | 2017-05-17 | 2017-05-17 | Connecting piece of grading shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348989.9A CN107419814B (en) | 2017-05-17 | 2017-05-17 | Grading damper |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711358208.0A Division CN108049516B (en) | 2017-05-17 | 2017-05-17 | Grading shock absorber with memory alloy spring |
| CN201811216048.0A Division CN108999309B (en) | 2017-05-17 | 2017-05-17 | Connecting piece of grading shock absorber |
| CN201811215973.1A Division CN108999308B (en) | 2017-05-17 | 2017-05-17 | Sliding shock absorber of grading shock absorber |
| CN201811215288.9A Division CN109208775B (en) | 2017-05-17 | 2017-05-17 | Spring damper of grading damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107419814A true CN107419814A (en) | 2017-12-01 |
| CN107419814B CN107419814B (en) | 2019-11-15 |
Family
ID=60425014
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711358208.0A Active CN108049516B (en) | 2017-05-17 | 2017-05-17 | Grading shock absorber with memory alloy spring |
| CN201710348989.9A Expired - Fee Related CN107419814B (en) | 2017-05-17 | 2017-05-17 | Grading damper |
| CN201811215288.9A Active CN109208775B (en) | 2017-05-17 | 2017-05-17 | Spring damper of grading damper |
| CN201811216048.0A Active CN108999309B (en) | 2017-05-17 | 2017-05-17 | Connecting piece of grading shock absorber |
| CN201811215973.1A Active CN108999308B (en) | 2017-05-17 | 2017-05-17 | Sliding shock absorber of grading shock absorber |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711358208.0A Active CN108049516B (en) | 2017-05-17 | 2017-05-17 | Grading shock absorber with memory alloy spring |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811215288.9A Active CN109208775B (en) | 2017-05-17 | 2017-05-17 | Spring damper of grading damper |
| CN201811216048.0A Active CN108999309B (en) | 2017-05-17 | 2017-05-17 | Connecting piece of grading shock absorber |
| CN201811215973.1A Active CN108999308B (en) | 2017-05-17 | 2017-05-17 | Sliding shock absorber of grading shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN108049516B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457829A (en) * | 2018-11-21 | 2019-03-12 | 大连大学 | Combined isolation support |
| CN109518817A (en) * | 2018-11-21 | 2019-03-26 | 大连大学 | The spring damper of combined isolation support |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123479A (en) * | 2021-03-09 | 2021-07-16 | 河北工业大学 | Friction unit and self-resetting type three-series friction energy dissipation supporting structure |
| CN114261345B (en) * | 2021-12-28 | 2024-06-14 | 河北九丛科技有限公司 | Vehicle-mounted electric lifting mechanism and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102493570A (en) * | 2011-12-19 | 2012-06-13 | 苗启松 | Multi-stage series anti-buckling support and manufacturing method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108999308A (en) | 2018-12-14 |
| CN107419814B (en) | 2019-11-15 |
| CN108999308B (en) | 2021-01-26 |
| CN108999309B (en) | 2020-05-19 |
| CN109208775B (en) | 2020-05-19 |
| CN108049516B (en) | 2020-12-08 |
| CN109208775A (en) | 2019-01-15 |
| CN108999309A (en) | 2018-12-14 |
| CN108049516A (en) | 2018-05-18 |
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