A kind of strong screen resilience damper
Technical field
The present invention relates to a kind of dampers, are in particular a kind of strong screen resilience dampers.
Background technology
Such as the damping device that number of patent application is CN201210564740.9, including damper and the first support spring,
First support spring is set on the outside of damper, and first support spring one end is fixed on damper lateral wall, separately
One end is arranged on spring capping, limited block is provided in first support spring, the limited block is with the first support bullet
Spring extends and compression moves up and down, and the second adjustment spring, second adjustment spring one are at least also arranged on the damper
End is also secured on damper lateral wall, and the second adjustment spring other end is arranged in the lower section from limited block a distance.
The invention can not effectively avoid the problem that being also easy to produce resonance between the first support bullet and the second adjustment spring, can not also reduce reduction
Amplitude realizes efficient damping.
Invention content
The object of the present invention is to provide a kind of strong screen resilience dampers can by main damping spring, strut and secondary damper
It is automatic to increase thrust of the secondary damper to tamponade while to realize that stopper rod pressure increases, to limit the downslide of tamponade,
And then Oscillation Amplitude is reduced, be conducive to quickly absorb vibrational energy, limit Oscillation Amplitude;Bullet is carried out by main damping spring simultaneously
Property damping, elastic shock attenuation and resistance bradyseism are carried out by secondary damper, avoid main damping spring from being generated with secondary damping spring with this
Resonance is conducive to improve damping efficiency.
The purpose of the present invention is achieved through the following technical solutions:
A kind of strong screen resilience damper, including pedestal, damper cylinder, head cover, stopper rod, tamponade, main damping spring, strut and pair
Damper, the pedestal are fixedly connected on the lower end of damper cylinder, and the head cover is fixedly connected on the upper end of damper cylinder, the stopper rod
It is slidably connected on damper cylinder and head cover, the tamponade is fixedly connected on the middle-end of stopper rod, and the tamponade is slidably connected at damping
On cylinder, for the main damping spring between tamponade and damper cylinder, the middle-end of the strut is slide hinged in the lower end of damper cylinder,
One end of the strut is hingedly connected to the lower end of stopper rod, and the other end of the strut is hingedly connected to the lower end of secondary damper,
The upper end of the pair damper is hingedly connected in tamponade.
As advanced optimizing for the technical program, a kind of strong screen resilience damper of the present invention, the pedestal include bottom plate,
Bushing and sliding slot, the bushing are fixedly connected on bottom plate, and multiple sliding slots are evenly arranged on the bushing.
As advanced optimizing for the technical program, a kind of strong screen resilience damper of the present invention, the damper cylinder includes subtracting
Shake cylinder ontology, base ring and multiple slide bar slots, the base ring is fixedly connected on the lower end of damper cylinder ontology, on the damper cylinder ontology
Multiple slide bar slots are provided with, multiple cylindrical pins are fixedly connected on the base ring, multiple cylindrical pins are slidably connected at more respectively
The middle-end of a strut.
As advanced optimizing for the technical program, a kind of strong screen resilience damper of the present invention, the stopper rod includes stopper rod
Ontology, ring flange and stopper rod pedestal, the ring flange and stopper rod pedestal are respectively fixedly connected with the upper and lower ends in stopper rod ontology, institute
It states stopper rod ontology to be slidably connected on damper cylinder and head cover, the ring flange is located at the upper end of head cover, and the stopper rod pedestal is located at
The inner end of the lower end of damper cylinder, multiple struts is hingedly connected on stopper rod pedestal, and multiple struts distinguish clearance fit multiple
In sliding slot.
As advanced optimizing for the technical program, a kind of strong screen resilience damper of the present invention, the tamponade includes disk
With multiple compression bars, multiple compression bars are uniformly fixedly connected on the disk, multiple compression bars are slidably connected at respectively in multiple slide bar slots,
The disk is fixedly connected on stopper rod ontology, and the multiple compression bar is hingedly connected in the upper end of multiple secondary dampers, more
The lower end of a pair damper is hingedly connected in the outer end of multiple struts.
As advanced optimizing for the technical program, a kind of strong screen resilience damper of the present invention, the middle-end of the strut is set
It is equipped with strut sliding slot, the cylindrical pin on the base ring is slidably connected in strut sliding slot.
As advanced optimizing for the technical program, a kind of strong screen resilience damper of the present invention, the pair damper includes
Secondary damper cylinder, secondary stopper rod, secondary end cap and secondary damping spring, the pair stopper rod are slidably connected in secondary damper cylinder, the pair end cap
It is fixedly connected on the upper end of secondary damper cylinder, the pair stopper rod is slidably connected in secondary end cap, and the pair damping spring is arranged in pair
Between damper cylinder and secondary stopper rod.
As advanced optimizing for the technical program, a kind of strong screen resilience damper of the present invention, the upper end of the pair end cap
It is provided with secondary end cap slide opening and annular groove, the annular groove is arranged in secondary end cap slide opening, setting in the annular groove
There is rubber seal ring, the rubber seal ring setting is between secondary end cap and secondary stopper rod.
As advanced optimizing for the technical program, a kind of strong screen resilience damper of the present invention, the pair stopper rod includes pair
Stopper rod ontology and bulge loop, the bulge loop are fixedly connected on the lower end of secondary stopper rod ontology, and it is logical that multiple dampings are provided on the bulge loop
Hole, the pair stopper rod ontology are slidably connected in secondary end cap slide opening, and the pair stopper rod ontology is slidably connected in secondary damper cylinder.
A kind of strong screen resilience damper of the invention has the beneficial effect that:
Stopper rod institute may be implemented by main damping spring, strut and secondary damper in a kind of strong screen resilience damper of the present invention
It is increased simultaneously by pressure, it is automatic to increase thrust of the secondary damper to tamponade, to limit the downslide of tamponade, and then reduce vibration
Amplitude is conducive to quickly absorb vibrational energy, limits Oscillation Amplitude;Elastic shock attenuation is carried out by main damping spring simultaneously, is passed through
Secondary damper carries out elastic shock attenuation and resistance bradyseism, avoids main damping spring from generating resonance with secondary damping spring with this, is conducive to
Improve damping efficiency.
Description of the drawings
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the overall structure half-section diagram of the present invention;
Fig. 2 is the overall structure diagram of the present invention;
Fig. 3 is the schematic diagram of base structure of the present invention;
Fig. 4 is the damper cylinder structural schematic diagram of the present invention;
Fig. 5 is the stopper rod structural schematic diagram of the present invention;
Fig. 6 is the tamponade structural schematic diagram of the present invention;
Fig. 7 is the branching rod structure schematic diagram of the present invention;
Fig. 8 is the secondary shock absorber structure half-section diagram of the present invention;
Fig. 9 is the secondary end cover structure schematic diagram of the present invention;
Figure 10 is the secondary stopper rod structural schematic diagram of the present invention.
In figure:Pedestal 1;Bottom plate 1-1;Bushing 1-2;Sliding slot 1-3;Damper cylinder 2;Damper cylinder ontology 2-1;Base ring 2-2;Slide bar
Slot 2-3;Head cover 3;Stopper rod 4;Stopper rod ontology 4-1;Ring flange 4-2;Stopper rod pedestal 4-3;Tamponade 5;Disk 5-1;Compression bar 5-2;It is main
Damping spring 6;Strut 7;Strut sliding slot 7-1;Secondary damper 8;Secondary damper cylinder 8-1;Secondary stopper rod 8-2;Secondary stopper rod ontology 8-2-1;
Bulge loop 8-2-2;Secondary end cap 8-3;Secondary end cap slide opening 8-3-1;Annular groove 8-3-2;Secondary damping spring 8-4.
Specific implementation mode
Invention is further described in detail below in conjunction with the accompanying drawings.
Specific implementation mode one:
Illustrate present embodiment, a kind of strong screen resilience damper, including pedestal 1, damper cylinder 2, top with reference to Fig. 1-10
Lid 3, stopper rod 4, tamponade 5, main damping spring 6, strut 7 and secondary damper 8, the pedestal 1 are fixedly connected under damper cylinder 2
End, the head cover 3 are fixedly connected on the upper end of damper cylinder 2, and the stopper rod 4 is slidably connected on damper cylinder 2 and head cover 3, described
Tamponade 5 is fixedly connected on the middle-end of stopper rod 4, and the tamponade 5 is slidably connected on damper cylinder 2, and the main damping spring 6 is located at pressure
Between plug 5 and damper cylinder 2, the middle-end of the strut 7 is slide hinged in the lower end of damper cylinder 2, and one end of the strut 7 hingedly connects
Be connected on the lower end of stopper rod 4, the other end of the strut 7 is hingedly connected to the lower end of secondary damper 8, the pair damper 8 it is upper
End is hingedly connected in tamponade 5;In use, main damping spring 6 is used to push tamponade 5, and then to stopper rod 4 relative to damper cylinder 2
Telescopic slide carry out damping;When stopper rod 4 is under pressure slide downward, the inner end of strut 7 makes strut 7 to lower swing
Outer end be swung up, the outer end of strut 7 is pushed secondary damper 8 and is moved upwards, and then secondary damper 8 is made to generate more tamponade 5
Big upwards thrust, with this when stopper rod 4 is by shock effect slide downward, the downlink for increasing tamponade 5 by secondary damper 8 hinders
Power, and then realize the effect for reducing amplitude, secondary damper 8 is not only determined to the thrust of tamponade 5 by the decrement of secondary damping spring 8-4
It is fixed, while depending on the downglide motion displacement of stopper rod 4, while realizing that 4 pressure of stopper rod increases with this, automatic increase is secondary
Damper 8 to limit the downslide of tamponade 5, and then reduces Oscillation Amplitude to the thrust of tamponade 5, is conducive to quickly absorb vibration
Energy limits Oscillation Amplitude;Simultaneously by main damping spring 6 carry out elastic shock attenuation, by secondary damper 8 carry out elastic shock attenuation and
Resistance bradyseism avoids main damping spring 6 from generating resonance with secondary damping spring 8-4, is conducive to improve damping efficiency with this.
Specific implementation mode two:
Illustrate present embodiment with reference to Fig. 1-10, present embodiment is described further embodiment one, described
Pedestal 1 includes bottom plate 1-1, bushing 1-2 and sliding slot 1-3, and the bushing 1-2 is fixedly connected on bottom plate 1-1, the bushing 1-2
On be evenly arranged with multiple sliding slot 1-3, the bottom plate 1-1 is fixedly connected in fixed rack, 4 slide downward of the stopper rod
When, the lower end of stopper rod 4 is located in bushing 1-2.
Specific implementation mode three:
Illustrate present embodiment with reference to Fig. 1-10, present embodiment is described further embodiment two, described
Damper cylinder 2 includes that damper cylinder ontology 2-1, base ring 2-2 and multiple slide bar slot 2-3, the base ring 2-2 are fixedly connected on damper cylinder sheet
The lower end of body 2-1 is provided with multiple slide bar slot 2-3 on the damper cylinder ontology 2-1, is fixedly connected on the base ring 2-2 multiple
Cylindrical pin, multiple cylindrical pins are slidably connected at the middle-end of multiple struts 7 respectively;When strut 7 is swung around cylindrical pin, branch
Bar 7 can be slided along cylindrical pin, and then avoid movement interference.
Specific implementation mode four:
Illustrate present embodiment with reference to Fig. 1-10, present embodiment is described further embodiment three, described
Stopper rod 4 includes stopper rod ontology 4-1, ring flange 4-2 and stopper rod pedestal 4-3, the ring flange 4-2 and stopper rod pedestal 4-3 solid respectively
Surely the upper and lower ends of stopper rod ontology 4-1 are connected to, the stopper rod ontology 4-1 is slidably connected on damper cylinder 2 and head cover 3, described
Ring flange 4-2 is located at the upper end of head cover 3, and the stopper rod pedestal 4-3 is located at the lower end of damper cylinder 2, and the inner end of multiple struts 7 is cut with scissors
It is connected in succession on stopper rod pedestal 4-3, multiple struts 7 distinguish clearance fit in multiple sliding slot 1-3.
Specific implementation mode five:
Illustrate present embodiment with reference to Fig. 1-10, present embodiment is described further embodiment four, described
Tamponade 5 includes disk 5-1 and multiple compression bar 5-2, and multiple compression bar 5-2, multiple compression bar 5- are uniformly fixedly connected on the disk 5-1
2 are slidably connected at respectively in multiple slide bar slot 2-3, and the disk 5-1 is fixedly connected on stopper rod ontology 4-1, the multiple pressure
Bar 5-2 is hingedly connected in the upper end of multiple secondary dampers 8, and the lower end of multiple pair dampers 8 is hingedly connected multiple
The outer end of strut 7, when the outer end of strut 7 is swung up, the outer end of strut 7 is pushed secondary damper 8 and is moved upwards, and then passes through
Further elasticity pushes tamponade 5 to secondary damper 8, and to limit the downglide motion of tamponade 5, the effect for reducing amplitude is realized with this.
Specific implementation mode six:
Illustrate present embodiment with reference to Fig. 1-10, present embodiment is described further embodiment five, described
The cylindrical pin that the middle-end of strut 7 is provided on strut sliding slot 7-1, the base ring 2-2 is slidably connected in strut sliding slot 7-1,
And then avoid movement interference.
Specific implementation mode seven:
Illustrate present embodiment with reference to Fig. 1-10, present embodiment is described further embodiment six, described
Secondary damper 8 includes secondary damper cylinder 8-1, secondary stopper rod 8-2, pair end cap 8-3 and secondary damping spring 8-4, the pair stopper rod 8-2 slidings
It is connected in secondary damper cylinder 8-1, the pair end cap 8-3 is fixedly connected on the upper end of secondary damper cylinder 8-1, and the pair stopper rod 8-2 is slided
Dynamic to be connected in secondary end cap 8-3, the pair damping spring 8-4 settings are between secondary damper cylinder 8-1 and secondary stopper rod 8-2.
Specific implementation mode eight:
Illustrate present embodiment with reference to Fig. 1-10, present embodiment is described further embodiment seven, described
The upper end of secondary end cap 8-3 is provided with secondary end cap slide opening 8-3-1 and annular groove 8-3-2, and the annular groove 8-3-2 settings are in pair
In end cap slide opening 8-3-1, rubber seal ring is provided in the annular groove 8-3-2, the rubber seal ring is arranged at secondary end
It covers between 8-3 and secondary stopper rod 8-2;It is oil-filled inside the pair damper cylinder 8-1, it can be leaked to avoid fluid by rubber seal, institute
The half that secondary damper cylinder 8-1 internal oils are less than secondary damper cylinder 8-1 volumes is stated, pair when ensuring bulge loop 8-2-2 slide downwards with this
Damper cylinder 8-1 internal oils have certain decrement, and bulge loop 8-2-2 upper and lower ends inside secondary damper cylinder 8-1 are adapted to this
Difference in volume.
Specific implementation mode nine:
Illustrate present embodiment with reference to Fig. 1-10, present embodiment is described further embodiment seven, described
Secondary stopper rod 8-2 includes that pair stopper rod ontology 8-2-1 and bulge loop 8-2-2, the bulge loop 8-2-2 are fixedly connected on secondary stopper rod ontology 8-2-
1 lower end is provided with multiple damping through-holes on the bulge loop 8-2-2, and the pair stopper rod ontology 8-2-1 is slidably connected at secondary end cap
In slide opening 8-3-1, the pair stopper rod ontology 8-2-1 is slidably connected in secondary damper cylinder 8-1;When bulge loop 8-2-2 is slided up and down,
Secondary damper cylinder 8-1 internal oils generate damping action by multiple damping flow therethroughs, so that vibration is decayed with this.
A kind of strong screen resilience damper of the present invention, its working principle is that:In use, main damping spring 6 is pressed for pushing
Plug 5, and then the telescopic slide to stopper rod 4 relative to damper cylinder 2 carries out damping;When stopper rod 4 is under pressure slide downward, strut
7 inner end makes the outer end of strut 7 be swung up to lower swing, and the outer end of strut 7 is pushed secondary damper 8 and moved upwards, into
And the upwards thrust for making secondary damper 8 generate bigger to tamponade 5 passes through pair with this when stopper rod 4 is by shock effect slide downward
Damper 8 increases the friction in down stroke of tamponade 5, and then realizes the effect for reducing amplitude, secondary damper 8 to the thrust of tamponade 5 not only
It is determined by the decrement of secondary damping spring 8-4, while depending on the downglide motion displacement of stopper rod 4, being realized suffered by stopper rod 4 with this
It is automatic to increase thrust of the secondary damper 8 to tamponade 5 while pressure increases, to limit the downslide of tamponade 5, and then reduces and shake
Dynamic amplitude, is conducive to quickly absorb vibrational energy, limits Oscillation Amplitude;Elastic shock attenuation is carried out by main damping spring 6 simultaneously, is led to
It crosses secondary damper 8 and carries out elastic shock attenuation and resistance bradyseism, avoid main damping spring 6 from generating resonance with secondary damping spring 8-4 with this,
Be conducive to improve damping efficiency;It is oil-filled inside the pair damper cylinder 8-1, it can be leaked to avoid fluid by rubber seal, it is described
Secondary damper cylinder 8-1 internal oils are less than the half of secondary damper cylinder 8-1 volumes, ensure that pair subtracts when bulge loop 8-2-2 slide downwards with this
Shaking cylinder 8-1 internal oils has certain decrement, and the appearance of bulge loop 8-2-2 upper and lower ends inside secondary damper cylinder 8-1 is adapted to this
Product moment.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention also belong to the guarantor of the present invention
Protect range.