CN207879960U - Impact resistance damper - Google Patents

Abstract

The utility model is related to a kind of impact resistance dampers, belong to vibration control field.The utility model includes top plate and bottom plate and resistance cylinders, resistance cylinders are between top plate and bottom plate, resistance cylinders are welded and fixed integral composition damped cylinder with bottom plate, fluid damping material is set in damped cylinder, damped cylinder fixed setting kinetoplast is corresponded on top plate, the lower part of kinetoplast is immersed in the fluid damping material in damped cylinder, bottom on the inside of damped cylinder corresponds to and buffers isolating device at the solder design of bottom plate and resistance cylinders made of setting elastic material, and buffering isolating device will separate at solder design with fluid damping material.The utility model is simple in structure, effectively avoid fatigue damage occur at the solder design of resistance cylinders and bottom plate, prevent the case where fluid damping leakage causes anti-vibration performance to decline, prolong the service life, its anti-vibration performance is more preferable, impact resistance is stronger, can preferably meet impact device to the stronger development need of bigger, have a vast market application prospect.

Description

Impact resistance damper

Technical field

The utility model belongs to vibration control field, and in particular to a kind of damping energy dissipation device, especially one kind can be extensive Damping unit for large-scale impact or forging equipment vibration isolation.

Background technology

In recent years, with aerospace, the fast development of the energy, ship, automobile and other industries, various large size punching presses, forging and stamping Equipment is widely adopted in manufacturing field, but also gradually heavier to tonnage, hitting power bigger direction is developed, and is pushing While dynamic Industry Structure adjustment and upgrading, serious interference also is caused to ambient enviroment because generating huge vibration, Land intensification utilization, the daily production and living of the periphery people or even healthy operator and personal safety are all brought not The influence of profit.To meet the requirement of environmental protection and safety, the final effect of the vibration damping engineering of such large scale equipment increasingly becomes item Mesh designs and checks and accepts focus of attention.Judder to solve the generation of large-scale punching press or forging equipment at work is brought Environmental issue, current most common method is that equipment is placed on a block concrete platen using elastic vibration isolation basis, Recycle elastic vibration isolation device support concrete platen that it is made to be detached with ground base holding, in this way, vibration when equipment works It is transferred to ground base again after the decaying of elastic vibration isolation device, and then propagates around, vibrational energy has been attenuated to relatively large extent Consumption, vibration effect and harm have obtained effective control.Wherein, practice result shows that vibration isolating effect is best, cost performance highest Be steel spring fluid damping isolation mounting, using steel spring provide resilient support, recycle damping unit provide energy consumption subtracts It shakes, to realize good vibration isolating effect.Wherein, viscous shearing-type damping device has structure due to not depending on pressure acting Simply, the advantages that processing cost is low, service life is long, maintenance cost is low, safety and environmental protection is widely adopted, typical such as the patent No. Honeycomb damper described in Chinese patent for ZL201020272825.6, workpiece include hexagonal honeycomb shape column Body, the hexagonal honeycomb shape cylinder are immersed in damping fluid, when work, utilize the fricting shearing that hexagonal honeycomb shape cylinder is larger Area coordinates with damping fluid and provides damping force, so as to realize good damping vibration attenuation effect.But found in practice, by It is very big in the surge of large-scale punching press or forging equipment, pressure transient change in damped cylinder when spring-compressed, generation it is powerful After shock impingement damped cylinder bottom base panel to surrounding spread, to resistance cylinders and bottom plate welding position formed intense impact, Repeated stock can cause weld seam fatigue rupture occur, and then fluid damping leakage occur, will if cannot find to repair in time Lead to the passive energy dissipation reduced performance of damping unit or even entirely ineffective, and then influence the anti-vibration performance of elastic vibration isolation device, sternly The problems such as even will appear disconnected spring when weight, reduces the service life of elastic vibration isolation device, influences the normal use of equipment.Compel in market Being essential will provide that a kind of impact resistance is stronger, and the service life is longer, the better damping unit of safety.

Utility model content

Purpose of the utility model is to solve the above problems and provide a kind of strong shock resistances, and service life is long, can It effectively prevent the impact resistance damper of weld seam generation fatigue damage between resistance cylinders and bottom plate.

The utility model impact resistance damper is achieved in that including top plate and bottom plate and resistance cylinders, damped cylinder position Between top plate and bottom plate, resistance cylinders are welded and fixed integral composition damped cylinder with bottom plate, and fluid damping is arranged in damped cylinder Material, damped cylinder fixed setting kinetoplast is corresponded on top plate, and the lower part of kinetoplast is immersed in the fluid damping material in damped cylinder, damps Bottom on the inside of cylinder, which corresponds to, buffers isolating device, buffering made of setting elastic material at the solder design of bottom plate and resistance cylinders Isolating device will separate at solder design with fluid damping material.

The specific constructive form of the buffering isolating device can be varied, for example, buffering isolating device is buffer compartment From ring, buffering shading ring is placed in the backplate surface in damped cylinder, and buffering shading ring is fixed at bottom plate or/and resistance cylinders On, and block at the solder designs of bottom plate and resistance cylinders, it will be separated with fluid damping material at solder design；Alternatively, buffering Isolating device is that isolating pad is buffered made of elastic rubber or elastic polyurethane, and buffering isolating pad is placed in the bottom plate table in damped cylinder Face, and block at the solder designs of bottom plate and resistance cylinders, it will be separated with fluid damping material at solder design.When necessary, also Can groove be set at the middle part of buffering isolating pad.

Elastic rubber may be used in buffering isolating device in the utility model or elastic polyurethane elastomeric material is made.For Further promotion is consumed energy cushion performance, it is preferred that and buffering isolating device uses the elastic material with foaming structure to be made, or Person buffers isolating device and is internally provided with cavity.

In addition, the utility model impact resistance damper can also include helical steel springs.The helical steel springs setting exists In damped cylinder, helical steel springs are locally immersed in fluid damping material；Alternatively, multiple, multiple spiral steel are arranged in helical steel springs Spring is symmetrical or is uniformly distributed in around damped cylinder.

Compared with prior art, the utility model impact resistance damper in the bottom of damped cylinder by corresponding to bottom plate and damping It is arranged at the solder design of cylinder body and buffers isolating device made of elastic material, is rushed using buffering isolating device snubber large size The powerful radial impact wave formed in damped cylinder bottom when equipment work is hit, while effectivelying prevent shock wave through fluid damping material It is transferred at solder design, the radial impact wave is avoided to act directly at the solder design between resistance cylinders and bottom plate, drop The risk of fatigue damage occurs for low weld seam, ensures the anti-vibration performance of product, extends the service life of product, improves job security Energy.

The utility model impact resistance damper, it is simple in structure, it is possible to prevente effectively from the solder design of resistance cylinders and bottom plate There is fatigue damage in place, prevents the case where fluid damping leakage causes anti-vibration performance to decline, effectively extends the use of product In the service life, anti-vibration performance is more preferable, and impact resistance is stronger, can preferably meet impact device to the stronger development need of bigger It wants, has a vast market application prospect.

Description of the drawings

Fig. 1 is one of the structural schematic diagram of the utility model impact resistance damper.

Fig. 2 is the second structural representation of the utility model impact resistance damper.

Fig. 3 is the third structural representation of the utility model impact resistance damper.

Fig. 4 is the four of the structural schematic diagram of the utility model impact resistance damper.

Fig. 5 is the vertical view of Fig. 4.

Fig. 6 is the five of the structural schematic diagram of the utility model impact resistance damper.

Fig. 7 is the six of the structural schematic diagram of the utility model impact resistance damper.

Fig. 8 is the left view of Fig. 7.

Fig. 9 is the vertical view of Fig. 8.

Specific implementation mode

Embodiment one

As shown in Figure 1, the utility model impact resistance damper, including top plate 1, bottom plate 2 and resistance cylinders 4, resistance cylinders 4 Between top plate 1 and bottom plate 2, resistance cylinders 4 are welded and fixed integral composition damped cylinder with bottom plate 2, and liquid is arranged in damped cylinder Body damping material 5 corresponds to damped cylinder fixed setting kinetoplast 9 on top plate 1, and kinetoplast 9 is made of steel pipe, and its underpart is immersed in damped cylinder Fluid damping material 5 in, the bottom on the inside of damped cylinder corresponds to the elastic material of A settings at the solder design of bottom plate 2 and resistance cylinders 4 Isolating device 7 is buffered made of material.The buffering isolating device 7 is specially that shading ring is buffered made of rubber material, wherein slow 2 surface of bottom plate that shading ring is placed in damped cylinder is rushed, is fixed together with the vulcanization of bottom plate 2, and block bottom plate 2 and resistance cylinders A at 4 solder design separates A at solder design and fluid damping material 5.In addition, the foreign matters such as dust enter resistance in order to prevent Inside Buddhist nun's cylinder body 4, sealing block piece 8 is additionally provided between top plate 1 and resistance cylinders 4.

Compared with prior art, the utility model impact resistance damper by the bottom on the inside of damped cylinder correspond to bottom plate with It is arranged at the solder design of damped cylinder and buffers isolating device 7 made of elastic material, it is big using buffering 7 snubber of isolating device The powerful radial impact wave formed in damped cylinder bottom when type impact device works, while effectivelying prevent shock wave through fluid damping Material 5 is transferred at solder design, and the radial impact wave is avoided to act directly on the solder design between resistance cylinders 4 and bottom plate Place reduces the risk that fatigue damage occurs for weld seam, ensures the anti-vibration performance of product, extend the service life of product, improves work Security performance.

In application, the utility model impact resistance damper is applied in combination with elastic element, bullet is provided using elastic element Property support, recycle the utility model impact resistance damper provide damping energy dissipation, you can to realize good vibration isolating effect.It is based on The technical principle of this example, buffering isolating device 7 can also use elastic polyurethane etc. other than rubber material may be used and be made Other elastic materials are made；In addition, the buffering shading ring used as buffering isolating device 7 in this example is fixed on bottom plate vulcanization Together, in practical applications, shading ring can also will be buffered be solidly fixed with resistance cylinders 4 or shading ring will be buffered and hindered Buddhist nun's cylinder body 4 and bottom plate link into an integrated entity simultaneously, moreover, different according to the specific material of use, buffering shading ring is in addition to that can adopt It is fixedly connected with the mode of vulcanization outer, other fixed forms such as bonding can also be used, as long as ensureing buffering isolating device 7 Always bottom plate is effectively blocked at the solder design of resistance cylinders 4, will be separated with fluid damping material 5 at solder design, all may be used To realize similar technique effect；In addition, kinetoplast 9 can also use bar or difference other than using the tubing in illustrating Combination of materials is formed by connecting；It is to be particularly noted that in order to further enhance energy consumption cushion performance, it is preferred that buffering shading ring It is made of the elastic material with foaming structure, such as blown rubber, polyurathamc etc., or inside buffering shading ring Equipped with cavity 10, this design feature for buffering shading ring is suitable for all related art schemes of the utility model, in this together It is described.Above-mentioned technical proposal is all based on the simple change of this example technical principle, all in the protection of the requires of the utility model It among range, is only described herein with word, not still further attached drawing.

The utility model impact resistance damper, it is simple in structure, it is possible to prevente effectively from the solder design of resistance cylinders 4 and bottom plate There is fatigue damage in place, prevents the case where fluid damping leakage causes anti-vibration performance to decline, effectively extends the use of product In the service life, passive energy dissipation performance is more preferable, and impact resistance is stronger, safety more preferably, vibration isolation when being used in combination with elastic element Performance is more preferable, can preferably meet impact device to the stronger development need of bigger, have a vast market application prospect.

Embodiment two

The utility model impact resistance damper as shown in Figure 2, difference lies in further include helical steel springs with embodiment one 3, helical steel springs 3 are arranged in damped cylinder, and are given and limited using the centering locating part 6 of fixed setting on a base plate 2, spiral 3 part of steel spring is immersed in fluid damping material 5, and kinetoplast 9 is located in the cavity 10 at 3 middle part of helical steel springs.

Compared with embodiment one, due to being additionally arranged helical steel springs 3 in technical solution described in this example, can both it provide Resilient support can provide damping energy dissipation again, simple and compact for structure, can be with when being applied to the Vibration Isolation Engineering of large-scale impact device It is more convenient without additionally configuring elastic element again.Further, since helical steel springs 3 are during the work time by Repeated Compression, spiral shell Fricting shearing energy consumption can also occur during repeated deformation between fluid damping material 5 for rotation steel spring 3, therefore can To provide more efficient damping vibration attenuation effect, anti-vibration performance is more preferable.

Embodiment three

The utility model impact resistance damper as shown in Figure 3, difference lies in the lower part of kinetoplast 9 is equipped with embodiment one Plunger 12, plunger 12 are immersed in the fluid damping material 5 in damped cylinder, and plunger 12 is equipped with multiple through-holes 13；In addition, buffer compartment It is that isolating pad is buffered made of foaming elastic polyurethane from device 7, buffering isolating pad is placed in 2 surface of bottom plate in damped cylinder, and Bottom plate 2 and A at the solder design of resistance cylinders 4 are blocked, A at solder design and fluid damping material 5 are separated.

Compared with embodiment one, the plunger 12 with through-hole 13 is additionally arranged in this example inside kinetoplast 9, is significantly improved dynamic Effective fricting shearing area that body 9 coordinates with fluid damping material 5, therefore the system damping of bigger can be provided, it greatly promotes The damping vibration attenuation effect of product；In addition, the buffering isolating pad used as buffering isolating device 7 in this example covers entire resistance The bottom of Buddhist nun's cylinder will not float under the percussion of shock wave during use, therefore buffering isolating pad can not also must be again It is fixedly linked with damped cylinder or/and bottom plate, structure is simpler, and repair is replaced and is also more convenient.

Certainly, similar to the description in embodiment one, buffering isolating pad is made in addition to elastane may be used Outside, other elastic materials such as elastic rubber can also be used to be made；Furthermore it is preferred that, buffering isolating pad, which uses, has foaming knot The elastic material of structure is made, such as blown rubber, polyurathamc etc., or buffering isolating pad is internally provided with cavity 10, It can realize good technique effect, this design feature for buffering isolating pad is suitable for all the relevant technologies of the utility model Scheme is described in this together, is no longer described repeatedly.Above-mentioned technical proposal is all based on the simple change of this example technical principle Change, all among the protection domain of the requires of the utility model, be only described herein with word, not still further attached drawing.

Example IV

The utility model impact resistance damper as shown in Figure 4 and Figure 5, difference lies in further include spiral with embodiment three Steel spring 3, the helical steel springs 3 are arranged four altogether, and four helical steel springs 3 in pairs, are symmetrically arranged at damped cylinder 4 Around.

Compared with embodiment three, due to being additionally arranged helical steel springs 3 in technical solution described in this example, can both it provide Resilient support can provide damping energy dissipation again, simple and compact for structure, can be with when being applied to the Vibration Isolation Engineering of large-scale impact device It is more convenient without additionally configuring elastic element again.

Technical principle based on this example, in the utility model impact resistance damper, helical steel springs 3 can also be arranged three It is a, five, six it is even more, in order to ensure the stability of system, it is preferred that multiple helical steel springs 3 are symmetrical or uniformly Ground is arranged in around damped cylinder, is all based on the simple change of this example technical principle, also in the protection model of the requires of the utility model Among enclosing.

Embodiment five

The utility model impact resistance damper as shown in Figure 6, difference lies in the setting of damped cylinder bottom with embodiment three It is that isolating pad is buffered made of elastic polyurethane to buffer isolating device 7, and the middle part of the buffering isolating pad is equipped with groove 11, buffering The inside of isolating pad is additionally provided with a plurality of cavities 10.

Compared with embodiment three, in technical solution described in this example, since the middle part of buffering isolating pad is equipped with groove 11, work as punching When hitting equipment work, the shock wave generated in damped cylinder is in groove 11, and impact energy is in vertical and radial direction side It is more thorough for the buffer protection function of A at solder design to can effectively being buffered and be consumed.In addition, slow That rushes isolating pad is internally provided with a plurality of cavities 10, contributes to the energy consumption cushion performance of further Promoting Layered Buffer isolating pad, Jin Erti High whole damping vibration attenuation effect.

Embodiment six

The utility model impact resistance damper as shown in Figure 7, Figure 8 and Figure 9 the difference is that, is gone back with embodiment five Including helical steel springs 3, the helical steel springs 3 are arranged six altogether；In addition, resistance cylinders 4 are arranged two, six spiral steel bombs Spring 3 is symmetrically arranged at the both sides of resistance cylinders 4.

Compared with embodiment five, due to being additionally arranged helical steel springs 3 in technical solution described in this example, can both it provide Resilient support can provide damping energy dissipation again, simple and compact for structure, can be with when being applied to the Vibration Isolation Engineering of large-scale impact device It is more convenient without additionally configuring elastic element again.

Technical principle based on this example, resistance cylinders 4 can also be arranged three, it is four or even more, in practical applications, It needs to be designed and selected according to concrete engineering, all within the protection domain of the requires of the utility model.

The embodiments of the present invention are primarily to facilitate the technical principle for understanding the utility model, it is not limited on The content of embodiment record is stated, the technology contents that above-described embodiment is recorded can also carry out cross-reference, be based on the utility model Technical principle, those skilled in the art can re-start technical solution described in above-described embodiment combination or utilize similar technique Simple replacement is carried out to some of which element, as long as the technical principle based on the utility model, all in the requires of the utility model Among protection domain.

Claims (8)

1. a kind of impact resistance damper, including top plate and bottom plate and resistance cylinders, resistance cylinders are between top plate and bottom plate, resistance Buddhist nun's cylinder body is welded and fixed with bottom plate integrally constitutes damped cylinder, setting fluid damping material in damped cylinder, corresponding on top plate to damp Kinetoplast is fixedly installed in cylinder, and the lower part of kinetoplast is immersed in the fluid damping material in damped cylinder, which is characterized in that on the inside of damped cylinder Bottom corresponds to and buffers isolating device made of setting elastic material at the solder design of bottom plate and resistance cylinders, buffers isolating device It will be separated with fluid damping material at solder design.

2. impact resistance damper according to claim 1, which is characterized in that the buffering isolating device is that buffering is isolated Ring, buffering shading ring are placed in the backplate surface in damped cylinder, and buffering shading ring is fixed on bottom plate or/and resistance cylinders, And block at the solder designs of bottom plate and resistance cylinders, it will be separated with fluid damping material at solder design.

3. impact resistance damper according to claim 1, which is characterized in that the buffering isolating device is that buffering is isolated Pad, buffering isolating pad is placed in the backplate surface in damped cylinder, and blocks at the solder designs of bottom plate and resistance cylinders, and weld seam is connected The place of connecing is separated with fluid damping material.

4. impact resistance damper according to claim 3, which is characterized in that the middle part of the buffering isolating pad is equipped with recessed Slot.

5. impact resistance damper according to any one of claim 1-3, which is characterized in that the buffering isolating device is adopted It is made of the elastic material with foaming structure, or buffering isolating device is internally provided with cavity.

6. impact resistance damper according to claim 1, which is characterized in that the impact resistance damper further includes spiral steel Spring.

7. impact resistance damper according to claim 6, which is characterized in that the helical steel springs are arranged in damped cylinder Interior, helical steel springs are locally immersed in fluid damping material.

8. impact resistance damper according to claim 6, which is characterized in that the helical steel springs setting is multiple, multiple Helical steel springs are symmetrical or are uniformly distributed in around damped cylinder.