CN1010961B - Frictional energy absobing device and/or method of absorbing energy - Google Patents
Frictional energy absobing device and/or method of absorbing energyInfo
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- CN1010961B CN1010961B CN 85104304 CN85104304A CN1010961B CN 1010961 B CN1010961 B CN 1010961B CN 85104304 CN85104304 CN 85104304 CN 85104304 A CN85104304 A CN 85104304A CN 1010961 B CN1010961 B CN 1010961B
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Abstract
The present invention relates to a cyclic shearing energy absorber which can absorb energy applied to the absorber. The absorber has a hollow core which is closely filled with a granular material, and the cyclic shearing energy applied to the absorber makes the granular material limited in the core expand preliminarily. The preliminary expansion is at least suppressed by a limiting device to a certain degree, and the applied cyclic shearing energy is dissipated by the frictional force among the granules of the granular material. The absorber can be limited between two end boards, and the end boards can be connected with an opposite structure, such as support columns and a foundation of a bridge. The core can also be limited in a pile.
Description
The invention relates to the acceptor of energy that is used for large scale structure, this acceptor of energy is to alleviate the extraneous motion that produces to the influence of this class formation with Come.
Alternating shear energy absorbing device system utilizes the alternate plasticity deformation that exceeds elastic limit of some material, and Come absorbs kinetic energy.This kind absorption plant normally is inserted between the support component and basic components of building, or between two supporting members, the part of kinetic energy can be converted into the heat of absorbing material like this, thereby reduce the motion that extraneous strength (as earthquake and high wind) passes to building.United States Patent (USP) 4,117,637 and 4,499,694 pairs of two such absorption plants have manual and claim.
The invention relates to the alternating shear energy absorbing device, the function of this device is the same with the apparatus function that above-mentioned United States Patent (USP) is mentioned, and still, it is according to a diverse principle Come dissipation energy.In a more excellent embodiment of the present invention, one contains a core body with supporting surface identical described in the above-mentioned United States Patent (USP), and this core body is made up of granular material, and through filling closely and limiting.Thereby, when supporting surface one bears the alternating shear energy, the energy that just can dissipate of the frictional force between the downtrodden particle.
The applicant recognizes that the prior art the most relevant with the present invention is No. the 2nd, 433,024, Deutsches Reichs-Patent manual.In this patent specification, described a supporting surface, and this core body is filled by granular material with core body.Distinct with the present invention is that it does not expect that the expansion Come by the restriction particle improves damping.This manual is spoken of, very loose each other contact between a large amount of elastomeric objects.Thereby damping is that the natural hysteresis phenomenon by the inherence of granular elastomeric objects obtains.In the present invention, damping is to produce by the friction between the granular material.Thereby it is considerably beyond the described device of this Deutsches Reichs-Patent manual.
United States Patent (USP) 4,121, the device in 393 utilizes frictional force Come dissipation energy.This obtains by sliding panel Come.This is different from the present invention fully, because in the present invention, thereby frictional force improves with the method Come that limits granular material (preventing to expand).
UK Patent Application GB2,034,436 discloses a kind of elastic support means with high internal damping; this device has the synusia that is parallel to each other of a plurality of therebetween elasticity layer; between synusia, be formed with the space, wherein filling energy absorbing material, as pitch, sand grains or the mixture of the two.These stickums can flow, and are driven into dilation from constriction, and will produce frictional resistance between the particle or between particle and the wall this moment.Be not suppressed owing to flow, therefore, frictional force is very little, and the energy absorption capability of this device is very little.Usually being applied to provides centering voluntarily to the building of motion.
Therefore, the purpose of this invention is to provide a kind of friction energy absorber that is applicable to large scale structure that utilizes alternate plasticity to be out of shape to obtain big as far as possible energy absorption.
The invention provides a kind of alternating shear acceptor of energy, it comprises a hollow, the granular material in this core; Restraint device around this core; Its arrangement and structure make that in use, above-mentioned granular material is filled in above-mentioned in-core thick and fast, thereby the alternating shear energy that puts on above-mentioned absorber can cause the preliminary expansion of above-mentioned granular material.And this preliminary expansion is subjected to constraining of above-mentioned restraint device at least to a certain extent, and therefore, the interparticle mutual frictional force in above-mentioned granular material has just been disperseed above-mentioned alternating shear energy.
Preferably with the granular material classification.To reduce air space ratio as much as possible.
Granular material is preferably selected from steel sand, glass ball, alumina, silica and carborundum.
Granular material is that the spherical steel sand of 0.09-1.4 millimeter is formed by diameter preferably.
Preferably by end plate and the space Come regulation gauge that is made of layered structure, this layered structure comprises the alternating layer that is made of elastomeric material and stiff materials to core body.
The end plate of core body preferably has at least one through hole is arranged, and is carved with screw thread on this hole and is equipped with nut, and this nut can be screwed in the above-mentioned hole, thus the granular material in the compression core body.
In another embodiment, the present invention comprises an alternating shear acceptor of energy, and it is applicable to inserts between two parts.That is: perhaps between two members or between member and the basis.Come absorbs because the energy that motion produced between above-mentioned two parts.This acceptor of energy comprise can with first end portion of one of above-mentioned two parts engagements and can with second end portion of another parts engagement of above-mentioned two parts, also comprise a core body, between above-mentioned first and second end portion, in this core body, be filled with granular material.Above-mentioned granular material is subjected to the restriction of above-mentioned first and second end portion and has being installed in above-mentioned core body horizontal direction restraint device on every side, its zone between above-mentioned first and second parts, therefore above-mentioned granular material is closely filled in core body, thereby is applied to the preliminary expansion that alternating shear on the above-mentioned absorber has caused granular material.This preliminary expansion is restricted constraining of device at least to a certain extent, like this, and the above-mentioned alternating shear energy that applies that just dissipated of the intergranular frictional force in the granular material.
The horizontal direction restraint device preferably contains the alternating layer of elasticity and rockiness material.
The horizontal direction restraint device preferably has flexible wall.
In one embodiment, the horizontal direction restraint device contains flat parts, and this flat part normally is surrounded on the external surface of core body, and the flexible wall of core body just is made up of these independent winding layers.
At least some independent winding layers preferably with the bed of material of an elastomeric material with it with they, adjoin the bed of material and separate.
Be preferably, absorber should further comprise a resiliency supported, is surrounded on above-mentioned horizontal direction restraint device and is installed on above-mentioned first end and between second end supports.
Be preferably, resiliency supported is made up of the alternating layer of elasticity and sturdy material.
Be preferably, the restraint device of horizontal direction is made up of the flat part of elastomeric material coiled coil and the alternating layer of stiff materials.
Perhaps, the horizontal direction restraint device generally is made up of the concentric flat part that overlaps.
Be preferably, at least some flat part are separated by elastomeric material.
Be preferably, absorber further comprises plate part that invests first end and the lower plate member that invests the second end.
In another embodiment, the present invention contains an alternating shear acceptor of energy, in order to absorb two parts, that is: two members or a member and a basis, between the energy that motion produced.This acceptor of energy comprises:
First linkage, it is adapted to be connected in the middle of two parts first.
Second linkage, it is adapted to be connected in the middle of two parts another.
The core body that contains granular material is connected between first and second linkages; And
The horizontal direction restraint device is positioned over around the core body, place the zone between first and second linkage, the horizontal constraints device has a flexible metope, when between first and second linkage, producing motion, this metope can limit this energy absorbing device, allows its core body to adapt simultaneously.Granular material among above-mentioned core body, thereby is applied to the preliminary expansion that the alternating shear energy on the absorber produces granular material by filling thick and fast, has at least this type of preliminary expansion of a part to be limited device and to constrain.Therefore, the alternating shear energy that just dissipated and applied of the interparticle frictional force in the granular material.
In another embodiment, the restraint device of horizontal direction contains the hollow pile of the length of one one end sealing.The other end has a hole, on this hole nut is arranged, and this nut can be screwed into and be pressed on the above-mentioned granular material.
In order further to understand essence of the present invention and advantage, should consult detailed description, and assistant with accompanying drawing.
Fig. 1 is the phantom drawing of embodiment preferably of the present invention;
Fig. 2 is the sectional drawing along 2-2 line among Fig. 1;
Fig. 3 is the Ning section in order to the amplification of the operation of showing the horizontal direction restraint device;
Fig. 4 is a sectional drawing similar to Fig. 2, shows another embodiment of the present invention;
Fig. 5 is a sectional drawing similar to Fig. 4, shows another alternate embodiment of the present invention;
Fig. 6 is the plan view along 6-6 line among Fig. 5;
Fig. 7 is a sectional drawing similar to Fig. 2, shows an alternate embodiment of the present invention;
Fig. 8 is a sectional drawing similar to Fig. 7, shows another embodiment of the present invention;
Fig. 9 is a sectional drawing, the flexible surround of its horizontal direction restraint device, and the screw among the figure also is equipped with the nut that can increase the restraint of particle.
Figure 10 is the sectional drawing of another embodiment, contains a hollow pile, has wherein filled up particle and has been equipped with the nut that can increase the restraint of particle.
Please see Figure now, Fig. 1 shows the phantom drawing of embodiment preferably of the present invention.Just as shown in the drawing, this energy absorbing device comprises an energy absorption center core 2, and it is shaped as cylindrical, 3, one resiliency supported 4 of horizontal direction restraint device and a top and a bottom junction plate 7,8 around this core body 2.
As shown in Figure 2, resiliency supported pad 4 has the structure of a sandwich shape, and it comprises elastomeric material 5, is preferably, such as natural rubber or the such elastomeric material of synthetic rubber, and hard plate 6 is preferably made by steel, aluminium, tempered glass, fiber or other stiff materials that is suitable for.Elastomeric material 5 and plate 6 replace mutually.Resiliency supported 4 plays supporting pad, transmits the normal load by this device.Support 4 typically is installed in the bottom of longitudinal bracing beam.Be connected or invest base plate 8. Individual course 5,6 typically is combined with each other to form a single structure, normally forms with sulfuration Come.
In an embodiment, horizontal direction restraint device 3 is column structures of a coiled coil, and it is by suitable strip material coiled, and its section is a rectangle.Suitable material comprises the material that spring steel, mild steel, aluminum strip and any other can the coiling types.In another embodiment, horizontal direction restraint device 3 is one group of ring, is made by same material, and is accumulated in together concentrically with respect to one another.
Core body 2 has been full of granular material 18.The better characteristic of granular material is as follows:
(a) coefficient of friction is big between particle;
(b) high compressive strength;
(c) good scuff resistance;
(d) long-term stability;
(e) high packed density;
Granular material will intensive as far as possible filling.Reaching the better method of this purpose is that granular material is sieved to reduce air space ratio as far as possible.In a best embodiment, used the steel ball mixture of the diameter of process screening as the 0.09-1.4 millimeter.Other spendable materials are: bead, alumina, silica and carborundum, the people that other granular material that can reach the requirement of afore mentioned rules is a present technique on top of is known.
Device illustrated in figures 1 and 2 is manufactured in the following manner to good.Square shown at first each independent original paper being made, or some other how much suitable shape Come make resiliency supported 4, and a column type space is formed in each centre bore alignment, generally are positioned at 4 the center of supporting.The original paper 3 of horizontal direction restriction then is inserted in these holes.When inserting preferably by the help of a cylinder axle.Granular material as steel ball, is put into core body 2 in the mode of intensive filling.For example, can with the vibration of whole device, mention and throw with reach fill intensive.Also can use squeezer or other devices to compress to obtain intensive filling from core body 2 top Come.Core body 2 can be adorned to such an extent that overflow slightly, on plate 7 being placed again.The construction weight of plate 7 can satisfy the requirement of intensive filling.
The interaction of the intensive granular material 18 of the filling in the core body 2 just provides the function of non-dissipation energy with common music of the present invention.When shearing deformation put on this device, material material 18 was just attempted to expand.Because the suffered restriction of material 18 makes that this expansion is that part is constrained at least in the core body 2.And this constrains the interparticle height friction of generation, and this is the consequence that produces owing to high contact pressure.By these height friction.Energy has just been dissipated.
Be in operation, this device is installed between the part structural support.This structure perhaps is a bridge block, a building high building or a basis, as: a ground.When vibration that a structure is suffered to produce owing to earthquake, high wind etc., and this vibration has produced the shearing force that is transferred on the energy absorbing device, and this device is bearing this shearing force and distorting in mode shown in Figure 3.Just as shown in this figure, core body 2 along with shearing force from the complete cylindrical shape generation deformation of former Come.Horizontal direction restraint device 3 also carries out same motion.Because the shape of the rectangular cross section of restraint device 3, the volume circle of the adjacent bed of material slides into displacement shape (as shown in Figure 3) from the normal vertically alignment arrangement (as shown in Figure 2) of former Come.But, between the adjacent bed of material, still exist enough superficial areas.The elasticity bed of material 5 around adding is enough to provide longitudinal bracing, makes 3 unlikely avalanche or the distortion of restriction original paper.Therefore, to keep it be cylindrical shape to core body 2 substantially.Although it tilts from its vertical line.Granular material 18 moves the space of adjoining the independent bed of material to replenish.In addition, the release that is stored in that part of energy of resiliency supported 4 will be tending towards core body 2 is returned on the geometric shape of (as shown in Figure 2) its former Come.
In many application scenarios, the upper face of frictional force between the adjacent surface of the lower surface of upper board 7 and the top bed of material 5 and lower panel 8 and adjoin frictional force between the adjacent surface of the elasticity bed of material 5 and be enough to the shear action that provides above-mentioned partly is described in Fig. 3 this.In some application scenario, may wish provides extra connection between the resiliency supported 4 of plate 7,8 and insertion.The way that this extra connection is provided is the end surface that plate 7,8 is connected resiliency supported 4.For example with methods such as sulfuration, stickups.In other application scenario, may wish provides extra joint between plate 7,8 and resiliency supported 4.Fig. 4 shows provides reliable engaging force between plate 7,8 and resiliency supported 4 in first available embodiment.As shown in this figure, provide a butt joint collar 11, had the geometry identical, (rectangle as shown in fig. 1) with the periphery of resiliency supported 4 in the lower surface of upper board 7.The shape of the collar 11 and size make that when plate 7 installs on the resiliency supported 4 upper face that the top of resiliency supported 4 can be contained in bottom plate 8 in the ring 11 also has a similarly butt joint collar 12.Its shape and size and the collar 11 are roughly the same.In use, the lateral displacement between plate 7 and the plate 8 is not only by the frictional force between plate 7, plate 8 and the support 4, but also passes to resiliency supported 4 by the mechanical force between the collar 11, the collar 12 and the support 4.The collar 11,12 can be fixed on the plate 7,8 in any suitable manner, as with welding, brazing filler metal and bonding etc.
Fig. 5 and an available enforcement of the present invention shown in Figure 6 also can provide the positive engagement between plate 7,8 and the resiliency supported 4.As shown in these figures, for plate 7 provides some pins that let droop 13, it arranges the pre-determined mode that relies on.Be illustrated as four pieces of pins 13 that are arranged in ring-type.It is spaced apart 90 degree, round the central axis of core body 2.Some corresponding holes 14 also are formed in elastic plate topmost 5 and the hard plate 6 topmost in a similar manner in advance.The hard plate 6 of topmost can be all passed in hole 14, and perhaps just part extends into this plate.The arrangement in pin 13 and hole 14 enables when headboard 7 installs to resiliency supported 4, pin 13 can be pressed in the hand-hole 14, in addition, also set up pin 15 with same arrangement, on the hard plate 6 of the elastic layer 5 of foot and foot, be manufactured with corresponding hole 16 for lower panel 8.
Though embodiment is shown it is that those are comprising upper and lower plate 7,8 preferably, in some applications, these plates can be included in the relevant structure member, are perhaps brought into play the effect of plate 7 and plate 8 by the determined surperficial Come of relevant structure member.For example, lower panel 8 may be the upper surface of the concrete brace table of a power plant, and upper head plate 7 can be the bottom of power plant's shell.Say also other ways and selection to be arranged for the personnel Come that is proficient in this technology.
Although foregoing discloses a better embodiment of the present invention all sidedly,, under the situation that does not break away from true spirit of the present invention and scope, can carry out various improvement, and selectable mode of construction etc. is provided.For example, though, also can adopt other geometries, as rectangle, trapezoidal, oval to having done concrete description as the positive cylindrical geometry of better embodiment.Or the like.In addition, though resiliency supported 4 has been disclosed explanation rectangular geometry is arranged, but, also available other geometry of this composite members, comprise round geometry, moreover, although horizontal direction limiting element 3 is described to flat wound coiling cylinder, but also available other shape, this depends on the geometry of core element 2.For example, if used the core element of a rectangle, so, limiting element will have similar rectangular geometry.Moreover if necessary, this limiting element can comprise some individual components (circular flat ring, flat rectangular framework or the like), and these individual components are vertically piled up Come.People will see because this core body 2 has been full of granular material, so it needn't have fixed shape.Granular material 18 will be filled any space in core body 2.
The described embodiment of Fig. 1-Fig. 6 comprises an element 3, and this element will be called as closed helix below.In this embodiment, each the circle all with its neighbor actual contact.Its shortcoming is that from vertical Come, it is stiff that supporting surface becomes.In installation, when its supporting surface bore powerful pressure at right angle, helix may be broken.For fear of this weakness, Fig. 7 and Fig. 8 have described an alternative construction program.In each construction program.The granular material that core body is 2 li is limited by a horizontal direction limiting element, but this element has certain compressibilty in vertical direction.
In the embodiment that Fig. 7 describes, spiral coil 3 by an elastomeric material 17 round.As artificial caoutchouc or silicon rubber.At one preferably in the embodiment, press the technology of flexible pipe to make by flexible pipe manufacturer with a kind of production imbibition here.Between the independent winding 3 of spiral, carrying elastomeric material 17 secretly, a clearance-type helical structure then is provided, and this structure does not have the top to describe the such shortcoming of no clearance-type helical structure.
In another embodiment that Fig. 8 describes, supporting 1 is by one or be made up of the round core 2 and the end plate 7,8 of granular material 18.Except the end of core 2, whole core 2 is all centered on by elastomeric material 5.In the present embodiment, a clearance-type spiral 3 on lead for retractable pencil, helical and pad or hard plate 6 alternately, elastomeric material 5 provides many bed of materials between each circle of spiral 3 and each pad or solid plate 6.In the present embodiment, spiral 3 is divided into each independent circle.The described device of Fig. 8 can be placed on the basis, fills core 2 with granular material 18.Then, carry out intensive filling, overcharge slightly, add load or certain plate at core 2 tops then with packing machine.
In Fig. 7 and Fig. 8, can be with the replace parts of continuity helix 3, i.e. separate type helix part 3, or annulus is piled up Come, and a part is enumerated together after can being isolated by elastomeric material in the middle of them at least.
Be in operation, we see, are adding elastomeric material between each helical layer line or between the flat pieces of enumerating 3, do not influence the ability that granular material 18 in the core 2 provides the above relevant described advantage of Fig. 1 to Fig. 6.
Equally, other geometries of discussing in the embodiment of Fig. 6 at relevant Fig. 1 and arrange also to can be applicable to Fig. 7 and Fig. 8.
Embodiment described in Fig. 9 is different from the described embodiment of Fig. 2, its difference is: the restriction of horizontal direction is not the flat part 3 Come acquisition of leaning on helix or enumerating, but, this device includes top board 7 and the base plate 8 that is placed on the sandwich type structure both sides, and this structure is made up of the alternately bed of material of elastomeric material 5 and hard plate 6.Hole 9 can be screwed in two plates on the structure whereby by upper plate 7 and lower plate 8.
There is an opening at the center of plate 7, and there is screw thread its inside.A cap nut 19 thicker slightly than plate 7 can be screwed into the opening of core 2 from the outside.Granular material 18 in core 2 by intensive filling.
Described device 1 is set up in the following manner in Fig. 9.The alternating layer of flexible material 5 and hard plate 6 is clipped together the structure of sandwich-type then on the foundation slab 9.In one embodiment, vulcanized electrometric material is used.In another embodiment, sulfuration is after granular material 18 adds core 2, carries out at the scene, and granular material is injected into core 2 and intensive filling.For guaranteeing the most intensive filling.Cap nut 19 is screwed into, and is in compressive state to keep granular material.Must be noted that, plate 7 can not separated Come from top elastomeric element 5 to guarantee cap nut 19.
Resiliency supported role shown in Fig. 9 identical with described in above Fig. 1 to Fig. 8.In the described embodiment of Fig. 1 to Fig. 8, an also available cap nut Come that can be screwed into assists intensive filler particles shape material.
The described embodiment of Figure 10 is a hollow pile 20.Its core 2 is to fill with granular material 18 Come, and this material 18 is to use the intensive filling of said method.Fill the assistance that still obtains cap nut 21.
At work, stake 20 can be put into foundation structure.Be built in this 20 or some stake 20 on structure and the relative motion between the ground, will consume by the CONTACT WITH FRICTION Come between the granular material 18.
Claims (35)
1, a kind of alternating shear acceptor of energy that is used to absorb the energy that produces by the motion between two members, it comprises:
One hollow;
Granular material in this core;
Restraint device around this core;
It is characterized in that its arrangement and structure, make in use, above-mentioned granular material is filled in above-mentioned in-core thick and fast, thereby the alternating shear energy that puts on above-mentioned absorber can cause the preliminary expansion of above-mentioned granular material, and this preliminary expansion is subjected to constraining of above-mentioned restraint device at least to a certain extent, therefore, the interparticle mutual frictional force in above-mentioned granular material has just been disperseed above-mentioned alternating shear energy.
2,, thereby it is characterized in that above-mentioned granular material can dwindle void ratio for the particle through screening according to the described alternating shear acceptor of energy of claim 1.
3,, it is characterized in that above-mentioned granular material is selected from steel ball, bead, alumina, silica and carborundum according to the described alternating shear acceptor of energy of claim 2.
4, according to the described alternating shear acceptor of energy of claim 1, it is characterized in that above-mentioned granular material comprises spherical steel ball, its diameter is the 0.09-0.4 millimeter.
5, according to the described alternating shear acceptor of energy of claim 1, it is characterized in that above-mentioned core is limited by end plate and a layer structure, this layer structure is made up of the alternating layer of elastomeric material and stiff materials.
6, according to the described alternating shear acceptor of energy of claim 5, it is characterized in that the end plate of above-mentioned at least core end has a through hole, there is screw thread in above-mentioned hole and has nut, and like this, above-mentioned nut can be screwed into above-mentioned hole, to compress the granular material of above-mentioned in-core.
7, according to the alternating shear acceptor of energy described in the claim 1, it is characterized in that, this alternating shear acceptor of energy comprises second end portion of first end portion that can be meshed with one of above-mentioned two members and the engagement of the another one in above-mentioned two members, comprise that also a core body that granular material is housed extends between above-mentioned first and second end portion, above-mentioned granular material is limited by above-mentioned first and second end portion, and the horizontal direction restraint device is housed around the above-mentioned core body, zone between above-mentioned first and second end portion, therefore, above-mentioned granular material is filled in the above-mentioned core body thick and fast.
8,, it is characterized in that above-mentioned horizontal direction restraint device is made up of elastomeric material and hard alternating layer according to the alternating shear acceptor of energy described in the claim 7.
9,, it is characterized in that above-mentioned horizontal direction restraint device has a flexible wall according to the alternating shear acceptor of energy described in the claim 7.
10, according to the alternating shear acceptor of energy described in the claim 9, it is characterized in that above-mentioned flexible wall is made up of flat parts, these parts are in a spiral manner around the outer surface of above-mentioned core body, and above-mentioned flexible wall is made of independent winding layers.
11,, it is characterized in that the part in the above-mentioned at least independent winding layers is separated its adjacent courses with them by elastomeric material according to the alternating shear acceptor of energy described in the claim 10.
12,, it is characterized in that it also comprises a resiliency supported around above-mentioned horizontal direction restraint device, and be installed between above-mentioned first and second end support according to the alternating shear acceptor of energy described in the claim 9.
13,, it is characterized in that above-mentioned resiliency supported is made up of the alternating layer of elastomeric material and stiff materials according to the alternating shear acceptor of energy described in the claim 12.
14,, it is characterized in that above-mentioned horizontal direction restraint device is made up of the alternating layer of above-mentioned elastomeric material, screw winding plate member and above-mentioned stiff materials according to the alternating shear acceptor of energy described in the claim 13.
15,, it is characterized in that above-mentioned horizontal direction restraint device comprises to enumerate together basic and be concentric flat part according to the alternating shear acceptor of energy described in the claim 7.
16,, it is characterized in that above-mentioned flat part separated by elastomeric material according to the alternating shear acceptor of energy described in the claim 15.
17,, it is characterized in that it also comprises a upper plate that is connected with above-mentioned first end portion and a lower plate that is connected with above-mentioned second end portion according to the alternating shear acceptor of energy described in the claim 7.
18, according to the alternating shear acceptor of energy described in the claim 12, it is characterized in that it also comprises a upper plate that is connected with above-mentioned first end portion and a lower plate that is connected with above-mentioned second end portion, and, at least one in the middle of above-mentioned upper plate and the lower plate comprises coupling device, to be used for transmitting the power between above-mentioned plate and the relevant end portion.
19,, it is characterized in that above-mentioned end partly has rectangle perimeter, and above-mentioned coupling device comprises the rectangle convex shoulder around above-mentioned periphery according to the alternating shear acceptor of energy described in the claim 18.
20, according to the alternating shear acceptor of energy described in the claim 14, it is characterized in that also comprising a upper plate that is connected with above-mentioned first end portion and the lower plate that is connected with above-mentioned second end portion, and, at least one in the middle of above-mentioned upper plate and the lower plate comprises coupling device, to be delivered in the power between above-mentioned plate and the above-mentioned energy absorbing device, it also comprises a resiliency supported, this resiliency supported has many longitudinal extensions hole, these Kong Youqi end portion extend at least adjoins with one of them above-mentioned plate, above-mentioned coupling device contains the pin part of respective numbers, and each all inserts in the associated above-mentioned hole.
21,, it is characterized in that above-mentioned acceptor of energy comprises according to the alternating shear acceptor of energy described in the claim 1:
First linkage, it is applicable to in the middle of above-mentioned two members first and is connected;
Second linkage, it is applicable to in above-mentioned two members another and is connected;
The core body that granular material is housed, it is connected between above-mentioned first and second linkage; Also have
The horizontal direction restraint device is around above-mentioned core body, zone between above-mentioned first and second linkage, above-mentioned horizontal direction restraint device has a flexible wall, when moving in order between above-mentioned first and second linkages, to produce, limit above-mentioned energy absorbing device, allow above-mentioned core body to adapt to this situation simultaneously.
22, according to the alternating shear acceptor of energy described in the claim 21, it is characterized in that above-mentioned restraint device contains a flat part, these parts are with the outer surface of spiral winding at above-mentioned core body, above-mentioned flexible wall is to be made of independent winding layers.
23,, it is characterized in that each independent winding layers of above-mentioned flexible wall is all separated itself and adjacent courses by one deck elastomeric material according to the alternating shear acceptor of energy described in the claim 22.
24,, it is characterized in that above-mentioned flexible wall is made up of the flat bed of material of enumerating together according to the alternating shear acceptor of energy described in the claim 21.
25, according to the alternating shear acceptor of energy described in the claim 24, each that it is characterized in that the above-mentioned flat bed of material all by an elastomeric layer separately.
26,, it is characterized in that above-mentioned flat part is the parts made from spring steel according to the alternating shear acceptor of energy described in the claim 22.
27, according to the alternating shear acceptor of energy described in the claim 26, it is characterized in that the parts that above-mentioned flat part is formed from aluminium.
28,, it is characterized in that it and then comprise a resiliency supported that this support ring is around above-mentioned restraint device and be installed between above-mentioned first and second linkages according to the alternating shear acceptor of energy described in the claim 21.
29,, it is characterized in that central each of above-mentioned first and second linkages all comprises coupling device, in order to power is transferred on the above-mentioned resiliency supported according to the alternating shear acceptor of energy described in the claim 28.
30,, it is characterized in that above-mentioned coupling device contains a contacted convex shoulder of the cylindrical with above-mentioned resiliency supported according to the alternating shear acceptor of energy described in the claim 24.
31,, it is characterized in that above-mentioned resiliency supported comprises the alternating layer of elastomeric material and stiff materials according to the alternating shear acceptor of energy described in the claim 28.
32,, it is characterized in that above-mentioned horizontal direction restraint device comprises above-mentioned elastomeric material, the alternating layer of spiral winding flat part and above-mentioned stiff materials according to the alternating shear acceptor of energy described in the claim 31.
33, according to the alternating shear acceptor of energy described in the claim 31, it is characterized in that above-mentioned horizontal direction restraint device comprise above-mentioned elastomeric material, enumerate together flat part and the alternating layer of above-mentioned stiff materials.
34, according to the alternating shear acceptor of energy described in the claim 32, it is characterized in that above-mentioned resiliency supported is equipped with the hole of first quantity, these holes portion surface from it extend into top stiff materials downwards, and be combined with the hole of second quantity, these holes extend upward the into stiff materials of lowermost layer from surface, its underpart, and above-mentioned coupling device comprises the pin part of first quantity, these pin parts extend downwards from above-mentioned first linkage, each simultaneously above-mentioned pin part inserts in the hole of first an above-mentioned quantity correspondingly, above-mentioned coupling device also comprises the pin part of second quantity, these pin parts extend upward from above-mentioned second linkage, and simultaneously above-mentioned each pin part inserts in the second above-mentioned quantity hole correspondingly.
35, according to the alternating shear acceptor of energy described in the claim 1, it is characterized in that above-mentioned restraint device comprises that is extended a hollow pile, this stake one end sealing, the opening that is positioned at the other end is equipped with a nut, thereby this nut can be screwed on and be pressed on the above-mentioned granular material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85104304 CN1010961B (en) | 1985-06-05 | 1985-06-05 | Frictional energy absobing device and/or method of absorbing energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85104304 CN1010961B (en) | 1985-06-05 | 1985-06-05 | Frictional energy absobing device and/or method of absorbing energy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85104304A CN85104304A (en) | 1986-12-03 |
| CN1010961B true CN1010961B (en) | 1990-12-26 |
Family
ID=4793759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85104304 Expired CN1010961B (en) | 1985-06-05 | 1985-06-05 | Frictional energy absobing device and/or method of absorbing energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1010961B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ540316A (en) * | 2005-05-24 | 2007-02-23 | Geoffrey John Thompson | Kinetic energy-absorbing and force-limiting connecting means |
| CN101303058B (en) * | 2007-05-10 | 2011-11-16 | 吕崇耀 | Broad band damp type vibrating isolation system |
| CN102673733A (en) * | 2012-06-07 | 2012-09-19 | 江苏科技大学 | Vibration and noise reduction device |
| CN102900097B (en) * | 2012-11-06 | 2015-04-29 | 浙江大学 | Reverse filtering layer device for assisting in mounting suction barrel-shaped foundation applied to silt seabed and method for mounting barrel-shaped foundation |
| ES2554384T3 (en) * | 2013-03-28 | 2015-12-18 | Mageba S.A. | POT support |
| CN103276830B (en) * | 2013-06-03 | 2015-09-30 | 中南大学 | A kind of lead shear damper |
| CN103397710B (en) * | 2013-07-26 | 2015-04-29 | 东南大学 | Sliding isolation bearing with friction materials replenishable |
| CN104675898A (en) * | 2014-12-10 | 2015-06-03 | 抚顺博宇噪声控制技术开发有限公司 | Large-damping adjustable secondary vibration isolator |
| TWI567277B (en) * | 2014-12-16 | 2017-01-21 | Chong-Shien Tsai | Friction damping support pad |
| CN105202107B (en) * | 2015-10-26 | 2017-06-16 | 清华大学 | Using the earthquake isolation platform and its construction method of braiding prestressed cable |
| CN105805492A (en) * | 2016-05-18 | 2016-07-27 | 浙江工业职业技术学院 | Hourglass type damping device for mechanical equipment |
| CN107012787B (en) * | 2017-04-09 | 2019-02-26 | 北京工业大学 | It is a kind of to utilize the multistage self-locking support of Seismic Design of Continuous Girder Bridges for matching particles filled limit |
| CN108386473B (en) * | 2018-05-02 | 2019-12-27 | 河南创辉水利水电工程有限公司 | Hydroelectric set vibration absorbing device |
| CN108591333B (en) * | 2018-05-02 | 2019-12-27 | 河南创辉水利水电工程有限公司 | Method for absorbing vibration of hydroelectric generating set |
-
1985
- 1985-06-05 CN CN 85104304 patent/CN1010961B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN85104304A (en) | 1986-12-03 |
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