CN206478159U - Fluid pressure type active shock isolator - Google Patents
Fluid pressure type active shock isolator Download PDFInfo
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- CN206478159U CN206478159U CN201720118659.6U CN201720118659U CN206478159U CN 206478159 U CN206478159 U CN 206478159U CN 201720118659 U CN201720118659 U CN 201720118659U CN 206478159 U CN206478159 U CN 206478159U
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- piston
- upper bush
- push pedal
- lower sleeve
- fluid pressure
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Abstract
Fluid pressure type active shock isolator, the isolator includes connecting rod, piston A, spring A, push pedal A, upper bush, fixed plate, lower sleeve, push pedal B, spring B and piston B；It in existing naval vessel primarily directed to, to the shock isolation demand of the very high equipment of position accuracy demand, different shock environments being adapted to by the prefastening load of the flexible member of adjust automatically shock isolator, for meeting such equipment anti-shock purpose.
Description
Technical field
The utility model belongs to impact isolating technical field, is related to a kind of shock resistance isolator, and more particularly to one kind is used for
The fluid pressure type active shock isolator of inertial navigation precision equipment.
Background technology
Naval vessel is inevitably attacked in operation by all kinds of weapons such as submarine mine, torpedo, it is resulting under water
Although noncontact Explosive Shock Loading will not directly contribute the destruction of warship structure.There is the survey such as compass, fire control radar on naval vessels
Amount, detecting devices, it is very high to position accuracy demand, even if also result in can not be normal in the one section time for the disturbance of very little
Work.Shock resistance isolator for this kind equipment is, it is necessary to keep equipment approximate with warship body can rigidly install, to realize this
One function, can set a certain amount of prefastening load inside isolator to flexible member, can resist extraneous less disturb
It is dynamic, and when shock loading is more than prefastening load, the shock loading of equipment is transferred to by the deformation reduction of internal elastomeric.But
It is that in sea warfare, the different quick-fried surge waveforms away from its generation is different, and surge waveform is influence shock isolator impact isolating
One key factor of performance.Single prefastening load does not adapt to different shock environments, in order to for different shock environments
Design different prefastening loads, thus strengthen precision equipment every the ability of rushing.Therefore, it is necessary to utility model one kind can actively,
The shock isolator of quick adjustment prefastening load is used in naval vessel to position accuracy demand very high equipment, to increase equipment
Shock resistance and stable positional precision.
The content of the invention
Utility model purpose：The utility model provides a kind of fluid pressure type active shock isolator, and the purpose is to solve in the past
The problems of.
Technical scheme：The utility model is achieved through the following technical solutions：
Fluid pressure type active shock isolator, it is characterised in that：The isolator include connecting rod, piston A, spring A, push pedal A,
Upper bush, fixed plate, lower sleeve, push pedal B, spring B and piston B；
Described piston A, spring A and push pedal A is arranged in upper bush, is additionally provided with what is be connected with sleeve upper end in sleeve
Upper bush slide wall, piston A, which is enclosed on upper bush slide wall to contact with upper bush slide wall, connects and is formed sliding pair；Described push pedal A
Push pedal outer wall and the contact of upper bush inwall connect and form sliding pair；Described spring A is arranged between piston A and push pedal A；
Described push pedal B and piston B is arranged in lower sleeve, and it is to form sliding pair that can be slided along lower sleeve inwall；
Described spring B is arranged between push pedal B and piston B；
Upper bush connects lower sleeve, and the bar of described connecting rod passes through the upper bush chute of upper bush slide wall, and with upper set
Cylinder chute contact, which is connected, simultaneously forms sliding pair, connecting rod connection tension and compression plate, tension and compression plate upper and lower surface respectively with push pedal A and push pedal B
Contact connection.
Dynamic sealing between piston A and upper bush slide wall, dynamic sealing between piston A and upper bush inwall；Piston B and lower sleeve
Lower sleeve inwall between dynamic sealing.
The side wall of upper bush above piston A is provided with the upper bush oilhole for injecting hydraulic oil above piston A, in work
The side wall of lower sleeve below plug B is provided with the lower sleeve oilhole for injecting hydraulic oil below piston B.
Described piston A inner ring is provided with inner seal ring, and inner seal ring is contacted with upper bush slide wall connects and formed cunning
Dynamic pair；Piston A outer shroud is provided with exterior seal ring, and exterior seal ring is contacted with upper bush inwall connects and formed sliding pair.
Fixed plate is provided between upper bush and lower sleeve, coordinates between tension and compression plate outer wall and fixed plate inwall for gap and connects
Connect and form sliding pair.
Piston B periphery is provided with piston B sealing rings, and connection and shape are contacted between piston B sealing rings and lower sleeve inwall
Into sliding pair.
The bar upper end connection equipment of connecting rod.
Described lower sleeve is arranged on connecting plate contact surface.
Advantageous effect：The utility model provides a kind of fluid pressure type active shock isolator, and it is primarily directed to existing naval vessel
In to the shock isolation demand of the very high equipment of position accuracy demand, pass through the pre- of the flexible member of adjust automatically shock isolator
Tight load adapts to different shock environments, for meeting such equipment anti-shock purpose.
The beneficial effects of the utility model are：
（1）For function, when shock loading is smaller（Load is less than the pretightning force of spring）, it is ensured that spring is constant
Shape, precision instrument and naval vessels by insulation blocking do not have relative motion, are particular enable to ensure the precision of navigator, work as shock loading
When larger, flexible member is had an effect to its buffer protection function of navigator.
（2）By judging shock loading waveform in advance, so that quickly the pretension of the flexible member of adjustment shock isolator is carried
Lotus, efficiently improves in naval vessel to position accuracy demand very high equipment anti-shock ability.
Brief description of the drawings：
Fig. 1 fluid pressure type active shock isolator schematic diagrames；
Fig. 2 fluid pressure type active shock isolator sectional views；
Fig. 3 fluid pressure type active shock isolator sectional views（Without spring）；
Fig. 4 connecting rod structure charts；
Fig. 5 piston A structure charts；
Fig. 6 spring structure figures；
Fig. 7 push pedal A structure charts；
Fig. 8 upper bush structure charts；
Fig. 9 fixed plate structure figures；
Figure 10 lower sleeve structure charts；
Figure 11 push pedal B structure figures；
Figure 12 piston B structure figures；
Figure 13 connecting board structure figures.
Embodiment：
As shown in figure 1, utility model provides a kind of fluid pressure type active shock isolator,
As shown in Figure 1 to Figure 3, a kind of fluid pressure type active shock isolator mainly includes：Equipment 1, connecting rod 2, piston A3,
Spring A4, push pedal A5, upper bush 6, fixed plate 7, lower sleeve 8, push pedal B9, spring B 10, piston B11, connecting plate 12 and bolt
13。
As shown in figure 4, described connecting rod 2 includes：Connection screw thread 2-1, bar 2-2, tension and compression plate 2-3, described equipment 1 with
The connection screw thread 2-1 of connecting rod 2 is threadably secured connection；As shown in figure 5, described piston A3 includes：Piston interface 3-
1st, inner seal ring 3-2 and exterior seal ring 3-3.
As shown in fig. 6, described spring A4 includes：Spring contact surface A4-1, spring wall 4-2 and spring contact surface B4-3,
Described spring B 10 is identical with spring A4 structures；As shown in fig. 7, described push pedal A5 includes：Push pedal outer wall 5-1, push pedal inwall
5-2 and push pedal contact surface 5-3；As shown in figure 8, described upper bush 6 includes：Upper bush outer wall 6-1, upper bush slide wall 6-2, on
Sleeve chute 6-3, upper bush top surface 6-4, upper bush oilhole 6-5, upper bush inwall 6-6, upper bush flange 6-7 and upper bush method
Blue connecting hole 6-8；Described piston A3, spring A4 and push pedal A5 is arranged on the upper bush inwall 6-6 of upper bush 6；Described
Piston A3 inner seal ring 3-2 is contacted with upper bush slide wall 6-2 connects and is formed sliding pair；Described push pedal A5 push pedal outer wall
5-1 and upper bush inwall 6-6 contacts connect and form sliding pair；Described spring A4 is arranged between piston A3 and push pedal A5；
The bar 2-2 of described connecting rod 2 is contacted with upper bush chute 6-3 to be connected and is formed on sliding pair, the tension and compression plate 2-3 of connecting rod 2
Lower surface contacts connection with push pedal A5 and push pedal B9 respectively, and tension and compression plate 2-3 outer walls are connected with fixed plate inwall 7-2 for gap
And form sliding pair.
As shown in figure 9, described fixed plate 7 includes：Fixed plate connecting hole 7-1, fixed plate inwall 7-2, fixed plate contact
Face 7-3 and fixed plate outer wall 7-4；As shown in Figure 10, described lower sleeve 8 includes：Lower sleeve inwall 8-1, drum flange of trapping connect
Meet hole 8-2, lower sleeve contact surface 8-3, trap drum outer wall 8-4 and lower sleeve oilhole 8-5；As shown in figure 11, described push pedal B9
Including：Push pedal B contact surfaces 9-1 and push pedal B walls 9-2；As shown in figure 12, described piston B11 includes：Piston B contact surfaces 11-1
With piston B sealing rings 11-2；Described push pedal B9 and piston B11 is arranged on lower sleeve inwall 8-1, and can be along in lower sleeve
Wall 8-1, which is slided, forms sliding pair；Described spring B 10 is arranged between push pedal B9 and piston B11；Described upper bush flange
Connecting hole 6-8, fixed plate connecting hole 7-1 are fixedly connected with lower sleeve flange connecting hole 8-2 by bolt 13.
As shown in figure 13, described connecting plate 12 includes：Connect plate hole 12-1 and connecting plate contact surface 12-2；Under described
Sleeve 8 is arranged on connecting plate contact surface 12-2, is fixedly connected by welding.
Described piston A3, spring A4 and push pedal A5 is arranged in upper bush 6, is additionally provided with sleeve 6 and the upper end of sleeve 6
The upper bush slide wall 6-2 of connection, piston A3, which is enclosed on upper bush slide wall 6-2 to contact with upper bush slide wall 6-2, connects and is formed cunning
Dynamic pair；Described push pedal A5 push pedal outer wall 5-1 and upper bush inwall 6-6 contact connects and forms sliding pair；Described spring
A4 is arranged between piston A3 and push pedal A5；
Described push pedal B9 and piston B11 is arranged in lower sleeve 8, and i.e. formation can be slided along lower sleeve inwall 8-1
Sliding pair；Described spring B 10 is arranged between push pedal B9 and piston B11；
Upper bush 6 connects lower sleeve 8, and the bar 2-2 of described connecting rod 2 passes through upper bush slide wall 6-2 upper bush chute
6-3, and contact connection with upper bush chute 6-3 and form sliding pair, connecting rod 2 connects tension and compression plate 2-3, above and below tension and compression plate 2-3
Surface contacts connection with push pedal A5 and push pedal B9 respectively.
Dynamic sealing between piston A3 and upper bush slide wall 6-2, dynamic sealing between piston A3 and upper bush inwall 6-6；Piston
Dynamic sealing between B11 and the lower sleeve inwall 8-1 of lower sleeve 8.
The side wall of upper bush 6 above piston A3 is provided with the upper bush oilhole 6- for injecting hydraulic oil above piston A3
5, the side wall of the lower sleeve 8 below piston B11 is provided with the lower sleeve oilhole 8-5 for injecting hydraulic oil below piston B11.
Described piston A3 inner ring is provided with inner seal ring 3-2, and inner seal ring 3-2 contacts company with upper bush slide wall 6-2
Connect and form sliding pair；Piston A3 outer shroud is provided with exterior seal ring 3-3, and exterior seal ring 3-3 contacts company with the inwall of upper bush 6
Connect and form sliding pair.
Fixed plate 7 is provided between upper bush 6 and lower sleeve 8, is between tension and compression plate 2-3 outer walls and fixed plate inwall 7-2
Gap is connected and forms sliding pair.
Piston B11 periphery is provided with piston B sealing ring 11-2, between piston B sealing rings 11-2 and lower sleeve inwall 8-1
Contact connects and forms sliding pair.
The bar 2-2 upper ends connection equipment 1 of connecting rod 2.
The automatic pre-pressing structure of fluid pressure type, before equipment 1 is impacted, by judging shock loading in advance so as to adjust bullet
Spring pretightning force changes to adapt to shock loading waveform, farthest to strengthen the impact resistance of equipment and ensure inertial navigation
The stability of equipment 1.Specific method is as follows, respectively in the upper bush oilhole 6-5 and the lower sleeve oilhole of lower sleeve 8 of upper bush 6
8-5 injects hydraulic oil, so as to promote piston A3 and piston B11 to move and the pretension of compression spring A4 and the change spring of spring B 10
Power, can shift to an earlier date the shift motion of quick regulation piston according to different impact and change initial tension of spring.
Connecting plate 12 is moved upwards under the effect of forward impact load, and equipment 1 keeps original inactive state, so equipment 1
Moved downward with respect to connecting plate 12, equipment 1 pushes connecting rod 2 and moved downward, the tension and compression plate 2-3 of connecting rod 2 push push pedal B9 to
Lower motion, so that compression spring B10, until its kinetic energy is completely converted into the elastic potential energy of spring B 10 by the stop motion of equipment 1.
After the stop motion of equipment 1, due to the self-recovery power of spring B 10 effect, spring B 10 upwards head on push pedal B9 and
The tension and compression plate 2-3 of connecting rod 2, so that pushing equipment 1 is moved upwards, the dynamic of equipment 1 is converted into by the elastic potential energy of spring B 10
Energy；So equipment 1 is continued up, the tension and compression plate 2-3 of connecting rod 2 heads on push pedal A5 and moved upwards, and compression spring A4,
Until the stop motion of equipment 1, the kinetic energy of equipment 1 is converted into spring A4 elastic potential energy.
Because spring A4 itself restoring force is acted on, spring A4 pushes downwards push pedal A5 and the tension and compression plate 2-3 of connecting rod 2,
So as to which pushing equipment 1 is moved downward, spring A4 elastic potential energy is converted into the kinetic energy of equipment 1.
Equipment produces shock response constantly in up-down vibration under impact loading, the kinetic energy of equipment 1 and spring
Elastic potential energy is constantly converted, until consumption is zero, stop motion.
Claims (8)
1. fluid pressure type active shock isolator, it is characterised in that：The isolator includes connecting rod（2）, piston A（3）, spring A
（4）, push pedal A（5）, upper bush（6）, fixed plate（7）, lower sleeve（8）, push pedal B（9）, spring B（10）With piston B（11）；
Described piston A（3）, spring A（4）With push pedal A（5）Installed in upper bush（6）It is interior, sleeve（6）Inside it is additionally provided with and covers
Cylinder（6）The upper bush slide wall of upper end connection（6-2）, piston A（3）It is enclosed on upper bush slide wall（6-2）Upper and upper bush slide wall（6-2）
Contact connects and forms sliding pair；Described push pedal A（5）Push pedal outer wall（5-1）With upper bush inwall（6-6）Contact connection is simultaneously
Form sliding pair；Described spring A（4）Installed in piston A（3）With push pedal A（5）Between；
Described push pedal B（9）With piston B（11）Installed in lower sleeve（8）It is interior, and can be along lower sleeve inwall（8-1）Slip is
Form sliding pair；Described spring B（10）Installed in push pedal B（9）With piston B（11）Between；
Upper bush（6）Connect lower sleeve（8）, described connecting rod（2）Bar（2-2）Through upper bush slide wall（6-2）Upper set
Cylinder chute（6-3）, and with upper bush chute（6-3）Contact connects and forms sliding pair, connecting rod（2）Connect tension and compression plate（2-3）,
Tension and compression plate（2-3）Upper and lower surface respectively with push pedal A（5）With push pedal B（9）Contact connection.
2. fluid pressure type active shock isolator according to claim 1, it is characterised in that：Piston A（3）With upper bush slide wall
（6-2）Between dynamic sealing, piston A（3）With upper bush inwall（6-6）Between dynamic sealing；Piston B（11）With lower sleeve（8）Under
Sleeve lining（8-1）Between dynamic sealing.
3. fluid pressure type active shock isolator according to claim 2, it is characterised in that：In piston A（3）The upper set of top
Cylinder（6）Side wall be provided with hydraulic oil injection piston A（3）The upper bush oilhole of top（6-5）, in piston B（11）Lower section
Lower sleeve（8）Side wall be provided with hydraulic oil injection piston B（11）The lower sleeve oilhole of lower section（8-5）.
4. fluid pressure type active shock isolator according to claim 2, it is characterised in that：Described piston A（3）Inner ring
It is provided with inner seal ring（3-2）, inner seal ring（3-2）With upper bush slide wall（6-2）Contact connects and forms sliding pair；Piston A
（3）Outer shroud be provided with exterior seal ring（3-3）, exterior seal ring（3-3）With upper bush（6）Inwall contact connects and forms slip
It is secondary.
5. fluid pressure type active shock isolator according to claim 1, it is characterised in that：Upper bush（6）With lower sleeve（8）
Between be provided with fixed plate（7）, tension and compression plate（2-3）Outer wall and fixed plate inwall（7-2）Between be connected and formed for gap
Sliding pair.
6. fluid pressure type active shock isolator according to claim 2, it is characterised in that：Piston B（11）Periphery setting
There are piston B sealing rings（11-2）, piston B sealing rings（11-2）With lower sleeve inwall（8-1）Between contact connect and form slip
It is secondary.
7. fluid pressure type active shock isolator according to claim 1, it is characterised in that：Connecting rod（2）Bar（2-2）On
End connection equipment（1）.
8. fluid pressure type active shock isolator according to claim 1, it is characterised in that：Described lower sleeve（8）Install
In connecting plate contact surface（12-2）On.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621112789 | 2016-10-11 | ||
| CN2016211127890 | 2016-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206478159U true CN206478159U (en) | 2017-09-08 |
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ID=59747868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720118659.6U Expired - Fee Related CN206478159U (en) | 2016-10-11 | 2017-02-09 | Fluid pressure type active shock isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206478159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763462A (en) * | 2016-10-11 | 2017-05-31 | 沈阳工业大学 | Fluid pressure type active shock isolator |
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2017
- 2017-02-09 CN CN201720118659.6U patent/CN206478159U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763462A (en) * | 2016-10-11 | 2017-05-31 | 沈阳工业大学 | Fluid pressure type active shock isolator |
| CN106763462B (en) * | 2016-10-11 | 2019-08-02 | 沈阳工业大学 | Fluid pressure type active shock isolator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20200209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |