CN209164472U - A kind of damper - Google Patents
A kind of damper Download PDFInfo
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- CN209164472U CN209164472U CN201821899263.0U CN201821899263U CN209164472U CN 209164472 U CN209164472 U CN 209164472U CN 201821899263 U CN201821899263 U CN 201821899263U CN 209164472 U CN209164472 U CN 209164472U
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Abstract
The utility model discloses a kind of dampers, mainly include cylinder body, pipeline, piston and regulating device, and each section cooperation and integration is the damper of controllable damping force, and installation in the structure, and is applied to during structural vibration control.The key position that damper provides damping force is pipeline, valve block is equipped in pipeline, valve block is equipped with adjustable through-hole and non-adjustable through-hole, non-adjustable through-hole can still be worked normally when adjustable through-hole damages, and as the spare of adjustable through-hole, to ensure that damper works normally, the circulation area that regulating device passes through the adjustable through-hole of change, to which the part for realizing damper damping force is adjustable, most suitable control force is provided for structure, with the damping force control effect being optimal, to reduce dynamic response of the structure in hurricane, under the conditions of earthquake etc. is exceedingly odious.
Description
Technical field
The utility model relates to structural seismic control device field more particularly to a kind of dampers, and are applied to shock insulation knot
Structure is as its main energy-dissipating and shock-absorbing component.
Background technique
In the past few decades, the theory of structural vibration control and application study are broadly divided into three fields: basis every
Shake, passive passive energy dissipation and active, half active and intelligent control.In these areas, scholars achieve many and make us
The achievement attracted attention.Currently used main control mode has active variable stiffness (AVS), active variable damping system (AVD) etc.,
New material is also introduced simultaneously, researches and develops new damper, such as magnetorheological (MR) damper, memorial alloy (SMA) damper.This
A little vibration damping control technologies are applied all over the world.And for semi- active control damper, control device is it
Core content, at present used in control device majority be that power output is small, stroke is small, positioning accuracy is low and corresponding speed is slow partly
Active control device, in addition, the cost of commonly used control device is higher.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to design a kind of damper, the structure letter of the damper
It is single, it can be realized effective control to damping force, and cost is relatively low.
Based on this, the utility model proposes a kind of damper, including cylinder body, pipeline, piston and regulating device, the cylinders
Body is connected with the pipeline, and the cylinder body is provided with viscid fluid, and the piston is set to the inside of the cylinder body, and the work
The inside of the cylinder body is divided into first chamber and second chamber by plug, and valve block is equipped in the pipeline, and the valve block will be described
Pipeline is divided into first segment and second segment, and the valve block is equipped at least two and is connected to the first segments and the second segment
Through-hole, the first chamber are connected with the first segment, and the second chamber is connected with the second segment, the adjusting dress
It sets and is mounted on the pipeline for controlling the circulation area of the through-hole.
Optionally, the regulating device includes needle, and the needle passes through the pipeline and is inserted into the valve block, and described
The arranged direction of needle and the through-hole is perpendicular, and the needle changes the displacement protruded into the valve block, to realize to logical
The change of the circulation area in hole.
Optionally, the valve block is equipped with location hole corresponding with the needle, and the needle is slidably disposed in
The positioning hole, and the location hole is connected with through-hole described at least one.
Optionally, the regulating device further includes actuator and displacement amplifier, the actuator and the displacement equations
Device is coupled electrical connection, and the needle is fixedly connected on the displacement amplifier.
Optionally, each through-hole is arranged in parallel to each other in the valve block.
Optionally, further include subsidiary cylinder, the subsidiary cylinder is fixedly connected on the outside of the cylinder body, and the subsidiary cylinder with
The first chamber is connected.
Optionally, the piston includes piston crown and the First piston bar for connecting external component, the piston head
Portion is sealed at the cylinder interior, and the cylinder body is divided into the first chamber and described second by the piston crown
Chamber, the first end of the First piston bar are fixedly connected with the piston crown, the second end of the First piston bar
It is stretched out out of described cylinder body, to connect external component.
Optionally, the piston further includes second piston bar, the first end of the second piston bar and the piston head
Portion is fixedly connected, and the second end of the second piston bar passes through the cylinder body and protrudes into inside the subsidiary cylinder.
It optionally, further include several link blocks, the regulating device is fixedly connected on described by each link block
On pipeline.
Optionally, the actuator is piezoelectric actuator.
Implement the utility model embodiment, has the following beneficial effects:
The damper of the utility model includes cylinder body, pipeline, piston and regulating device, and cylinder body is connected with pipeline, cylinder body
It is provided with viscid fluid, piston is set to the inside of cylinder body, and the inside of cylinder body is divided into first chamber and second chamber by piston,
Valve block is equipped in pipeline, pipeline is divided into first segment and second segment by valve block, and valve block is equipped at least two connection first segments
With the through-hole of second segment, first chamber is connected with first segment, and second chamber is connected with second segment, and regulating device is mounted on pipe
For controlling the circulation area of through-hole on road.Piston pushes viscid fluid to first segment from first chamber, and viscid fluid passes through valve
Through-hole on block flows into second segment from first segment, is finally back to second chamber by second segment, completes the circulation of one-off.When
When viscid fluid flows through through-hole, because the circulation area of through-hole is smaller, damping force can be substantially increased, to generate a large amount of energy
Loss, and damping force then can further be changed by the circulation area that regulating device controls through hole, to be optimal
Damping force control effect, to reduce dynamic response of the structure in hurricane, under the conditions of earthquake etc. is exceedingly odious.
Actuator is coupled with displacement amplifier and is electrically connected, and actuator can start under a small amount of external voltage supply
Work, to convert electrical energy into mechanical energy, and passes to displacement amplifier for corresponding displacement signal, will be caused by displacement amplifier
The displacement signal that dynamic device provides amplifies, and amplified displacement is further transmitted to needle, and needle is changed
Becoming the displacement protruded into valve block, the real-time of displacement of the needle in valve block changes the circulation area that can control through hole,
To adjust the size of damping force.Actuator is piezoelectric actuator, using the inverse piezoelectric effect of piezoceramic material, i.e., will
Electric field is converted into mechanical oscillation, and electric field can easily be accommodated and Precise control, and the conduction of velocity of electric field is very fast, therefore is able to respond
Rapidly, control is stablized, furthermore the cost of the material also relative moderate.
Detailed description of the invention
Fig. 1 is damper structure schematic diagram described in the embodiments of the present invention；
Fig. 2 is the schematic view of the front view of the needle of damper described in the embodiments of the present invention；
Fig. 3 is the schematic view of the front view of the valve block of damper described in the embodiments of the present invention；
Fig. 4 is the left view structural representation of the valve block of damper described in the embodiments of the present invention；
Fig. 5 is the schematic view of the front view of the regulating device of damper described in the embodiments of the present invention.
Description of symbols:
1, cylinder body, 11, first chamber, 12, second chamber, 2, pipeline, 21, first segment, 22, second segment, 3, piston, 31,
Piston crown, 32, First piston bar, 33, second piston bar, 34, pin hole, 4, regulating device, 41, actuator, 42, displacement put
Big device, 43, needle, 431, needle hole, 5, valve block, 51, through-hole, 52, location hole, 6, subsidiary cylinder, 7, link block, 8, opening.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "left", "right", "top", "bottom" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
Referring to Fig. 1 to Fig. 5, the damper of the present embodiment includes cylinder body 1, pipeline 2, piston 3 and regulating device 4, cylinder body 1 with
Pipeline 2 is connected, and cylinder body 1 is provided with viscid fluid, and piston 3 is set to the inside of cylinder body 1, and piston 3 by the inner part of cylinder body 1 every
For first chamber 11 and second chamber 12, pipeline 2 is interior to be equipped with valve block 5, and pipeline 2 is divided into first segment 21 and second segment by valve block 5
22, and valve block 5 is equipped with the through-hole 51 of at least two connection first segments 21 and second segment 22, in the present embodiment, through-hole 51
For two, first chamber 11 is connected quantity with first segment 21, and second chamber 12 is connected with second segment 22, regulating device
4 are mounted on pipeline 2 for controlling the circulation area of through-hole 51.
Based on the above structure, piston 3 pushes viscid fluid to first segment 21 from first chamber 11, and viscid fluid passes through valve block
Through-hole 51 on 5 flows into second segment 22 from first segment 21, is finally back to second chamber 12 by second segment 22, completes one cycle
Work.When viscid fluid flows through through-hole 51, because the circulation area of through-hole 51 is smaller, so that damping force can be substantially increased, energy
A large amount of energy loss is enough generated, regulating device 4 has further changed damping force by controlling the circulation area of through-hole 51 at this time,
With the damping force control effect being optimal, reduce dynamic response of the structure in hurricane, under the conditions of earthquake etc. is exceedingly odious.It needs
Illustrating, through-hole 51 divides for adjustable through-hole and non-adjustable through-hole, and what regulating device 4 changed is the circulation area of adjustable through-hole,
Non-adjustable through-hole is always maintained at unimpeded under normal circumstances, therefore in the damage of adjustable through-hole, viscid fluid still can be normal through
Valve block, and non-adjustable through-hole facilitates damper and rapidly returns back to normal operating conditions as the spare of adjustable through-hole.
Wherein, regulating device 4 includes needle 43, and needle 43 passes through pipeline 2 and is inserted into valve block 5, and needle 43 and through-hole 51
Arranged direction it is perpendicular, needle 43, which changes, protrudes into displacement in valve block 5, can be realized changing to the circulation area of through-hole 51
Become.Valve block 5 is equipped with location hole 52 corresponding with needle 43, and needle 43 is slidably disposed in location hole 52, and positions
Hole 52 is connected with through-hole 51.
Referring to Fig. 5, regulating device 4 further includes actuator 41 and displacement amplifier 42, actuator 41 and displacement amplifier 42
Be coupled electrical connection, and needle 43 is fixedly connected on displacement amplifier 42 by needle hole 431.Actuator 41 and displacement equations
The mode of the coupling electrical connection of device 42, so that actuator 41 need a small amount of external voltage supply that can start to work, actuator
Mechanical energy is converted electrical energy into when 41 work, and displacement signal is passed into displacement amplifier 42, and displacement amplifier 42 will activate
The displacement signal that device 41 provides amplifies, and amplified displacement signal is transferred again to needle 43, to control needle
43 displacement in valve block 5 can change needle 43 to through-hole 51 by the change of displacement of the needle 43 in valve block 5
The amount of blocking, and then change the circulation area of through-hole 51 in real time, to adjust the size of damping force.Each through-hole 51 is in valve block 5
It arranges in parallel to each other, which is conducive to 51 position of through-hole of the replacement insertion of needle 43.The damper of the present embodiment is also
Including subsidiary cylinder 6, subsidiary cylinder 6 is fixedly connected on the outside of cylinder body 1, and subsidiary cylinder 6 is connected with first chamber 11.Subsidiary cylinder 6
By stablizing one end of second piston bar 33, so that 3 overall operation of piston is steady, it will not generate and move radially, help to provide
Stable damping force.
Further, piston 3 includes piston crown 31 and the First piston bar 32 for connecting external component, piston crown
31 are sealed inside cylinder body 1, and cylinder body 1 is divided into first chamber 11 and second chamber 12 by piston crown 31, and first is living
The first end of stopper rod 32 is fixedly connected with piston crown 31, and the second end of First piston bar 32 is stretched out out of cylinder body 1, thereon
Equipped with pin hole 34, for connecting and fixing external structure, so that damper integral installation is convenient.Piston 3 further includes second living
The first end of stopper rod 33, second piston bar 33 is fixedly connected with piston crown 31, and the second end of second piston bar 33 passes through
Cylinder body 1 protrudes into inside subsidiary cylinder 6.Second piston bar 33 guides the operation of piston 3, and piston 3 is stablized and is effectively pushed
Viscid fluid flowing.
Referring to Fig. 1, the damper of the present embodiment further includes several link blocks 7, and regulating device 4 is solid by each link block 7
Surely it is connected on pipeline 2.Link block 7 is used to regulating device 4 being firmly secured to pipeline 2, thereby ensures that regulating device 4
Running is steady.In addition, be additionally provided at least two openings 8 on pipeline 2, in the present embodiment, be open 8 quantity for two,
One opening 8 is used for the loading of viscid fluid, another opening 8 is used for the discharge of viscid fluid, and opening 8 is when damper works
It is in close state, to guarantee the operation is stable.
It should be noted that in the present embodiment, actuator 41 is using piezoelectric actuator 41.It is made pottery using piezoelectricity
The inverse piezoelectric effect of ceramic material converts mechanical oscillation for electric field, electric field can easily be accommodated and Precise control, while electric field
Conduction of velocity is very fast, therefore is able to respond rapidly, and control is stablized, furthermore the cost of the material also relative moderate.But at other
In embodiment, the material of actuator 41 is not limited by the present embodiment, when can suitably be selected according to actual needs
It selects, as long as can guarantee the working effect of actuator 41.
It should be understood that various information are described in the utility model using term " first ", " second " etc., but these
Information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from this
In the case where utility model range, " first " information can also be referred to as " second " information, and similar, " second " information can also be with
Referred to as " first " information.
It is preferred embodiments of the present invention above, it is noted that for those skilled in the art
For, without departing from the principle of this utility model, several improvement and deformations can also be made, these improvement and deformations
It is considered as the protection scope of the utility model.
Claims (10)
1. a kind of damper, which is characterized in that including cylinder body, pipeline, piston and regulating device, the cylinder body and the pipeline phase
Connection, the cylinder body are provided with viscid fluid, and the piston is set to the inside of the cylinder body, and the piston is by the cylinder body
Inside is divided into first chamber and second chamber, is equipped with valve block in the pipeline, the pipeline is divided into first by the valve block
Section and second segment, and through-holes of the valve block equipped at least two the connection first segments and the second segment, described first
Chamber is connected with the first segment, and the second chamber is connected with the second segment, and the regulating device is mounted on described
For controlling the circulation area of the through-hole on pipeline.
2. damper according to claim 1, which is characterized in that the regulating device includes needle, and the needle passes through
The pipeline is inserted into the valve block, and the arranged direction of the needle and the through-hole is perpendicular, and the needle change is protruded into
Displacement in the valve block, to realize the change to the circulation area of through-hole.
3. damper according to claim 2, which is characterized in that it is corresponding with the needle fixed that the valve block is equipped with
Position hole, the needle is slidably disposed in the positioning hole, and the location hole is connected with through-hole described at least one.
4. damper according to claim 2 or 3, which is characterized in that the regulating device further includes actuator and displacement
Amplifier, the actuator are coupled with the displacement amplifier and are electrically connected, and the needle is fixedly connected on the displacement and puts
On big device.
5. damper according to any one of claims 1 to 3, which is characterized in that each through-hole phase in the valve block
Mutually it is parallelly arranged.
6. damper according to claim 1, which is characterized in that further include subsidiary cylinder, the subsidiary cylinder is fixedly connected on
The outside of the cylinder body, and the subsidiary cylinder is connected with the first chamber.
7. damper according to claim 6, which is characterized in that the piston includes piston crown and for connecting outside
The First piston bar of component, the piston crown are sealed at the cylinder interior, and the piston crown is by the cylinder body
It is divided into the first chamber and the second chamber, the first end of the First piston bar and the fixed company of the piston crown
It connects, the second end of the First piston bar is stretched out out of described cylinder body, to connect external component.
8. damper according to claim 7, which is characterized in that the piston further includes second piston bar, and described second
The first end of piston rod is fixedly connected with the piston crown, and the second end of the second piston bar passes through the cylinder body and stretches
Enter inside the subsidiary cylinder.
9. damper according to claim 1, which is characterized in that further include several link blocks, the regulating device is logical
Each link block is crossed to be fixedly connected on the pipeline.
10. damper according to claim 4, which is characterized in that the actuator is piezoelectric actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821899263.0U CN209164472U (en) | 2018-11-16 | 2018-11-16 | A kind of damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821899263.0U CN209164472U (en) | 2018-11-16 | 2018-11-16 | A kind of damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164472U true CN209164472U (en) | 2019-07-26 |
Family
ID=67338833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821899263.0U Active CN209164472U (en) | 2018-11-16 | 2018-11-16 | A kind of damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164472U (en) |
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2018
- 2018-11-16 CN CN201821899263.0U patent/CN209164472U/en active Active
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