CN207760745U - With the buffering energy dissipator for starting load peak clipping effect - Google Patents
With the buffering energy dissipator for starting load peak clipping effect Download PDFInfo
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- CN207760745U CN207760745U CN201721298771.9U CN201721298771U CN207760745U CN 207760745 U CN207760745 U CN 207760745U CN 201721298771 U CN201721298771 U CN 201721298771U CN 207760745 U CN207760745 U CN 207760745U
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Abstract
The utility model discloses a kind of buffering energy dissipator for having and starting load peak clipping effect, it is related to buffering energy dissipator field, a kind of buffering energy dissipator for having and starting load peak clipping effect is provided.The buffering energy dissipator includes deformation energy-absorbing band and clamp structure, and deformation channel is provided in clamp structure, and deformation energy-absorbing band passes through deformation channel, deformation channel that deformation is made to inhale band curvature or be crushed；When bending, deformation energy-absorbing band is located in deformation channel and the part in neighbouring deformation channel is to start section；When flattening, positioned at deformation channel side and the part in deformation channel is closed on for startup section；It is divided into free segment positioned at the deformation energy-absorbing band portion for starting section one end；The moment of inertia for starting section is less than the moment of inertia of free segment.The startup section moment of inertia of cross-section of the utility model is opposite to be reduced, and starts section during being drawn out by deforming channel, and elastic-plastic deformation resistance is also opposite to be reduced, to reduce the startup load peak value of buffering energy dissipator.
Description
Technical field
The utility model is related to a kind of energy dissipators, more particularly to one kind to block for moving objects such as falling rocks, mud-rock flows
In structure to absorb moving object impact kinetic energy and to block structure rise overload protective function buffering energy dissipator.
Background technology
The structure of blocking being made of various metal meshes, steel wire rope and support construction etc., because of its good impact resistance and
The advantages such as construction and installation are efficient and convenient are widely used in construction and the operational safety protection of the engineerings such as highway, railway, power station,
The moving objects such as stone, the Rock And Soil of sliding, mud-rock flow, snowslide and blasting flyrock, or control are tumbled to the side slope of interception movement
Make the motion path and motion range of these moving objects.In order to cost-effectively improve the protective capacities of this kind of structure of blocking,
Moving object impact kinetic energy can be absorbed and there is the buffering of overload protective function to disappear by being introduced in the structural system for structure of blocking
Energy device becomes a kind of common measure, and various types of buffering energy dissipators occurs.
In the developmental research and application process of buffering energy dissipator, it has been found that, in order to avoid buffering energy dissipator
Start too early or the excessive structure later maintenance workload of blocking brought of work load increases or deform the deficiencies of excessive, remains slow
It is a kind of optimal selection to rush energy dissipator to start with the constant of follow-up work load.For this purpose, the Patent No. of the applicant
ZL200920310150.7, the utility model patent of entitled " energy dissipator for being used for steel wire tow line ", discloses a kind of energy dissipating
Device, it includes at least a metal tape and clamp structure, metal tape from the limit of clamp structure stitch across and and clamp structure
One end of tight fit, metal tape for free end and is provided with position limiting structure, and the other end is connect with steel wire tow line, and clamp structure passes through
Connector anchors；During structure of blocking is by moving object percussion, when the tension generated in steel wire tow line reaches one
After determining degree, metal tape is gradually pulled out under tension, and free end is gradually shortened, and starts and work load size only takes
Certainly in the material characteristic of metal tape, cross dimension and clamp structure size, so as to pass through the control of these influence factors
To realize the constant of work load.Existing application shows that this buffering energy dissipating dress achieves preferable application effect, however tries
It tests studies have shown that although startup and work load of this buffering energy dissipator under the conditions of quasi-static test of Slow loading are close
It is bordering on constant (curve A in referring to Figure 10) in equal and work load, but when structure of blocking is by moving object percussion, steel
Tension in silk drawstring shows as quick increased behavioral characteristics, therefore, in addition to the deformation drag in metal tape moving process, gold
Category band starts the startup moment that the initial instant being drawn out buffers energy dissipator, and there is also effect of inertia and quiet dynamic friction to make
It is acted on the additional friction of conversion, the peak load feature for being apparently higher than follow-up work load is showed so as to cause startup load
(referring to curve B in Figure 10) so that establish block structure design and its engineer application scene on the basis of maximum effect load
Immobilizing foundation design it is still not economical enough, it is necessary to the startup load peak of buffering energy dissipator is cut down by certain technological means
Value.
Utility model content
The technical problems to be solved in the utility model is：A kind of buffering energy dissipating dress for having and starting load peak clipping effect is provided
It sets.
In order to solve the above problem the technical solution adopted is that：With start load peak clipping effect buffering energy dissipator include
Energy-absorbing band and clamp structure are deformed, deformation channel is provided in clamp structure, deformation energy-absorbing band passes through deformation channel, deforms channel
Deformation is set to inhale band curvature, deformation energy-absorbing band is located in deformation channel and the part in neighbouring deformation channel is deformation energy-absorbing tape starting
Section, the deformation energy-absorbing band part for being located at deformation energy-absorbing tape starting section both ends are respectively to deform energy-absorbing band stretch section and deformation energy-absorbing band
Free segment, the axis on the basis of the axis along deformation channel width direction setting, in centre-to-centre spacing reference axis apart from identical, change
The cross section of shape energy-absorbing tape starting section is less than cross section of the deformation energy-absorbing with free segment for benchmark for the moment of inertia of reference axis
The moment of inertia of axis.
It is further：The middle part for deforming energy-absorbing tape starting section is provided with slot hole along deformation energy-absorbing strip length direction.
It is further：The one or both sides for deforming energy-absorbing tape starting section are provided with length along deformation energy-absorbing strip length direction
Slot.
It is further：Deformation energy-absorbing band is metal plate and belt.
Another technical solution used in order to solve the above problem is：With the buffering energy dissipating dress for starting load peak clipping effect
It sets, including deformation energy-absorbing band and clamp structure；Deformation channel is provided in clamp structure, deformation energy-absorbing band passes through deformation channel,
Deformation channel makes deformation energy-absorbing band be crushed, and it is to become that deformation energy-absorbing band, which is located at deformation channel side and closes on the part in deformation channel,
Shape energy-absorbing tape starting section, the deformation energy-absorbing band part for being located at deformation energy-absorbing tape starting section both ends are respectively to deform energy-absorbing band stretch section
With deformation energy-absorbing band free segment；The axis on the basis of the axis along deformation channel width direction setting, in centre-to-centre spacing reference axis apart from phase
With in the case of, the cross section for deforming energy-absorbing tape starting section is less than deformation cross of the energy-absorbing with free segment for the moment of inertia of reference axis
Section for reference axis the moment of inertia, and by close to deformation energy-absorbing band stretch section one end to close to deformation energy-absorbing band free segment one
The cross section at end, deformation energy-absorbing tape starting section gently increases the moment of inertia of reference axis.
It is further：Deformation channel makes deformation energy-absorbing band be crushed and is bent.
It is further：There is the cavity being arranged along its length or slot in favor of deforming energy-absorbing band in deformation energy-absorbing band
It is crushed.
It is further：Deformation energy-absorbing band is metal tube；Deformation energy-absorbing tape starting section is crushed, and by being inhaled close to deformation
To close to deformation energy-absorbing band free segment one end, the flattening amount of deformation energy-absorbing tape starting section is gently reduced for energy band stretch section one end.
The utility model has the beneficial effects that：Compared with without the buffering energy dissipator for starting load peak clipping effect, by
Reduce in the deformation energy-absorbing tape starting section moment of inertia of cross-section of the utility model is opposite, deformation energy-absorbing tape starting section be drawn out it is logical
During crossing deformation channel, elastic-plastic deformation resistance is also opposite to be reduced, to reduce the startup lotus of buffering energy dissipator
Carry peak value (referring to curve C in Figure 10) so that using the load peak in other components of the structure of blocking of this buffering energy dissipator
Value is also corresponding to be reduced, and more economical block structure design and its immobilizing foundation design at engineer application scene may be implemented.
In addition, the deformation energy-absorbing tape starting section elastic-plastic deformation resistance with the buffering energy dissipator for starting load peak clipping effect
Power is opposite to be reduced, and the reduction of such buffering energy dissipator startup load under the conditions of quasi-static test is actually also necessarily brought,
Quasi-static load-displacement curve feature can be used for judging that (referring to curve D in Figure 10), buffering energy dissipator is made in dynamic loads
Whether have under and starts load peak clipping effect.
Description of the drawings
Fig. 1 is the structure chart with the buffering energy dissipator for starting load peak clipping effect of the first technical solution；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is a kind of expanded view of deformation energy-absorbing band of the first technical solution；
Fig. 4 is the expanded view of another deformation energy-absorbing band of the first technical solution；
Fig. 5 is the structure chart with the buffering energy dissipator for starting load peak clipping effect of second of technical solution；
Fig. 6 is the structure of the buffering energy dissipator for not having and starting load peak clipping effect corresponding with second of technical solution
Figure；
Fig. 7 is the steady-working state figure of buffering energy dissipator corresponding with second of technical solution；
Fig. 8 is a kind of structure chart of the deformation energy-absorbing band of second of technical solution；
Fig. 9 is another structure chart of the deformation energy-absorbing band of second of technical solution；
Figure 10 is static state and the dynamic loads-position of the buffering energy dissipator with and without load peak clipping effect is started
Move curve comparison schematic diagram；
Figure 11 the moment of inertia comparing calculation schematic diagrames；
In figure label for：Deform energy-absorbing band 1, deformation energy-absorbing tape starting section 11, slot hole 111, elongated slot 112, deformation energy-absorbing band
Stretch section 12, stretch section connecting hole 121, deformation energy-absorbing band free segment 13, normal flattening transition 14, clamp structure 2, clamping knot
Structure connecting hole 21, locating part 22, deformation channel 23.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and detailed description.
Fig. 1 and Fig. 2 show a kind of technical solution with the buffering energy dissipator for starting load peak clipping effect, specifically
It is：Include deformation energy-absorbing band 1 and clamp structure 2 with the buffering energy dissipator of load peak clipping effect is started, is set in clamp structure 2
It is equipped with deformation channel 23, deformation energy-absorbing band 1 passes through deformation channel 23, deformation channel 23 that deformation energy-absorbing band 1 is made to be bent, and deformation is inhaled
Energy band 1 is located in deformation channel 23 and the part in neighbouring deformation channel 23 is deformation energy-absorbing tape starting section 11, is located at deformation energy-absorbing
1 part of deformation energy-absorbing band at 11 both ends of tape starting section is respectively to deform energy-absorbing band stretch section 12 and deformation energy-absorbing band free segment 13,
The axis on the basis of the axis along deformation 23 width direction of channel setting, in centre-to-centre spacing reference axis apart from identical, deformation suction
The cross section of energy tape starting section 11 is less than cross section of the deformation energy-absorbing with free segment 13 for benchmark for the moment of inertia of reference axis
The moment of inertia of axis.
The working process and principle of the buffering energy dissipator of the technical program are：By clamp structure 2 and ground or other consolidate
Earnest part connect, will deform energy-absorbing connect with the object that need to buffer energy dissipating with stretch section 12 (such as metal block net steel wire drawing
Rope).By taking metal blocks net as an example：When metal block net impacted when, impact force is transmitted to deformation energy-absorbing by steel wire tow line
Band stretch section 12, deformation energy-absorbing band 1 start and enter lasting buffering energy dissipating working condition.Deformation energy-absorbing tape starting section 11 is drawn
Go out to deform channel 23, deformation energy-absorbing band free segment 13 enters deformation channel 23 and is drawn out again.During this, deformation energy-absorbing band 1
Elastic and plastic bending deformation occurs and generates frictional resistance effect between the conduit wall in deformation channel 23 and absorption and dissipation energy, directly
Load sharp increase process in other components such as steel wire rope to net of blocking tends to mitigate because tensioning state is eased.This practicality
The novel metal net overload of blocking that avoids is destroyed, and the startup work of the utility model in other words plays overload to metal net of blocking
Protective effect.After due to the deformation sliding release of energy-absorbing tape starting section 11, the material of deformation energy-absorbing is participated in deformation energy-absorbing band 1
Quantity and geometric shape be bordering on it is constant, make the follow-up work load of buffering energy dissipator be also bordering on it is constant and be in steady operation shape
State.
The technical program buffers energy dissipator compared with without the buffering energy dissipator for starting load peak clipping effect, by
In the opposite reduction of the moment of inertia of the deformation energy-absorbing tape starting section 11 of the utility model, deformation energy-absorbing tape starting section 11 is passing through deformation
During channel 23, elastic and plastic bending deformation resistance is also opposite to be reduced, to reduce the startup lotus of buffering energy dissipator
Carry peak value (referring to curve C in Figure 10) so that metal connected to it block net component in load peak value also accordingly reduce.
The technical program can generate apparent change form drag when being difficult to change and be bent suitable for cross-sectional shape and size
The deformation energy-absorbing band 1 of power, such as metal plate and belt.The opposite concrete mode reduced of the moment of inertia for deforming energy-absorbing tape starting section 11 can be with
It is utilized in the cross sectional material reduction that energy-absorbing tape starting section 11 is deformed in benchmark axis direction, the reduction of plane of structure material can be such as Fig. 3
It is shown, 1 length direction of deformation energy-absorbing band is provided with slot hole 111 at the middle part of deformation energy-absorbing tape starting section 11.Or such as Fig. 4 institutes
Show, 1 length direction of deformation energy-absorbing band is provided with elongated slot 112 in the one or both sides of deformation energy-absorbing tape starting section 11.
The concrete structure of the clamp structure 2 of the technical program can be as depicted in figs. 1 and 2, and the main body of clamp structure 2 is
One part generally y-shaped and with inner cavity, locating part 22 is connected in the main body of clamp structure 2, in order to facilitate clamp structure 2 with
Ground or fixed object connect, and clamp structure connecting hole 21 is provided in the main body of clamp structure 2.It deforms energy-absorbing band 1 and is inserted into folder
Structure 2 is held, and around stretching clamp structure 2 after locating part 22；It is connect for convenience with the object that need to buffer energy dissipating, deforms energy-absorbing
It is provided with stretch section connecting hole 121 on band stretch section 12.The internal chamber wall and locating part of 2 main body of Fig. 1 and clamp structure shown in Fig. 2
Deformation channel 23 is formd between 22, the deformation channel 23 is so that deformation energy-absorbing band 1 has bent to U-shaped.Adjustable clamp structure 2
Body lumen wall shape or locating part 22 number and shape, so that deformation energy-absorbing band 1 is bent to other shapes, example
Such as V-arrangement, wave or S-shaped.
Fig. 5 show the another technical solution with the buffering energy dissipator for starting load peak clipping effect, specifically：Tool
There are the buffering energy dissipator for starting load peak clipping effect, including deformation energy-absorbing band 1 and clamp structure 2；It is provided in clamp structure 2
Channel 23 is deformed, deformation energy-absorbing band 1 passes through deformation channel 23, deformation channel 23 so that deformation energy-absorbing band 1 is crushed, deform energy-absorbing
It is located at deformation 23 side of channel with 1 and the part for closing on deformation channel 23 is deformation energy-absorbing tape starting section 11, is located at deformation energy-absorbing
1 part of deformation energy-absorbing band at 11 both ends of tape starting section is respectively to deform energy-absorbing band stretch section 12 and deformation energy-absorbing band free segment 13；
The axis on the basis of the axis along deformation 23 width direction of channel setting, in centre-to-centre spacing reference axis apart from identical, deformation suction
The cross section of energy tape starting section 11 is less than cross section of the deformation energy-absorbing with free segment 13 for benchmark for the moment of inertia of reference axis
The moment of inertia of axis, and by close to deformation energy-absorbing band 12 one end of stretch section to 13 one end of close deformation energy-absorbing band free segment, deformation
The cross section of energy-absorbing tape starting section 11 gently increases the moment of inertia of reference axis.
The buffering energy dissipator of the working process and principle and previous technical solution of the buffering energy dissipator of the technical program
It is roughly the same.Difference is that the buffering energy dissipator of the technical program relies primarily on deformation 23 flattening deformation energy-absorbing band of channel, 1 process
The resistance of middle generation realizes buffering energy dissipating.
The deformation energy-absorbing band 1 that the technical program is suitable for be crushed, such as deformation energy-absorbing band 1 are larger by that can generate
The material of elasticity or plastic deformation is made, or has the cavity or slot being arranged along its length in deformation energy-absorbing band 1, such as
The shaped steel such as metal tube, the metal tube with notch, C-type steel or channel steel.By close to deformation energy-absorbing band 12 one end of stretch section to close
13 one end of energy-absorbing band free segment is deformed, the moment of inertia of deformation energy-absorbing tape starting section 11 gently recommend by increased specific implementation
For：Deformation energy-absorbing tape starting section 11 is crushed, and by close to deformation energy-absorbing band 12 one end of stretch section to close deformation energy-absorbing band
The flattening amount of 13 one end of free segment, deformation energy-absorbing tape starting section 11 is gently reduced.
The concrete structure of the clamp structure 2 of the technical program can be to limit as shown in figure 5, being connected in the main body of clamp structure 2
Position part 22 connect with ground or fixed object in order to facilitate clamp structure 2, clamp structure is provided in the main body of clamp structure 2
Connecting hole 21.Deformation energy-absorbing band 1 after deforming channel 23 by being directly drawn out without bypassing locating part 22；For convenience with need to delay
The object connection of energy dissipating is rushed, stretch section connecting hole 121 is provided on deformation energy-absorbing band stretch section 12.The clamping of the technical program
The clamp structure 2 as depicted in figs. 1 and 2 of previous technical solution can also be used in structure 2, and deforming channel 23 at this time makes deformation energy-absorbing
Band 1 is crushed and is bent.Correspondingly, deformation energy-absorbing band 1 is bent the resistance generated and flattens realization buffering energy dissipating together with resistance.Phase
The shape for the deformation energy-absorbing band 1 answered is as shown in Figure 9.
It is corresponding with the technical program not have the buffering energy dissipator for starting load peak clipping effect as shown in fig. 6, deformation
Energy-absorbing band 1 has normal flattening changeover portion 14, deformation energy-absorbing band 1 inevitable by deforming channel 23 at deformation channel 23
It is crushed, changeover portion 14 is normally flattened with the changeover portion at the place that is not crushed at flattening.Deform energy-absorbing tape starting section 11
With the normal comparison for flattening changeover portion 14 as shown in figure 8, deformation energy-absorbing tape starting section 11 is relatively longer, the variation of cross sectional shape compared with
Gently." the flattening amount of deformation energy-absorbing tape starting section 11 is gently reduced " refers to the change for the flattening amount for deforming energy-absorbing tape starting section 11
Change gentler compared with the flattening amount variation of the flat changeover portion of positive normal pressure 14.The buffering energy dissipator of the technical program is in deformation energy-absorbing band 1
The steady-working state after startup stage be experienced under suffered pulling force effect as shown in fig. 7, being similarly formed normal flattening transition
Section 14, this normally flattens changeover portion 14 with without start load peak clipping effect buffering energy dissipator have normally flattened
It is identical to cross section 14.
The moment of inertia of the deformation energy-absorbing tape starting section 11 of above two technical solution is less than deformation energy-absorbing with free segment 13
The moment of inertia can be illustrated by the comparing calculation of moment of inertia of cross-section.As shown in figure 11：F, H is respectively Fig. 1 and shown in fig. 5
The cross-sectional view of energy dissipator deformation energy-absorbing tape starting section 11 is buffered, E, G are respectively corresponding buffering energy dissipator deformation
Cross-sectional view of the energy-absorbing with free segment 13, axis on the basis of z-axis, y-axis is vertical with z-axis, and dS is a material infinitesimal in cross section
The distance of area, the infinitesimal to z-axis is y, then the moment of inertia I of each cross section to z-axiszIt is each it can be calculated as cross section in general manner
Integral of the quadratic power product of material unit dimension dS and each infinitesimal to z-axis distance y in cross sectional material region area S：
Iz=∫S y2dS
As can be seen from the above equation, the distance y of each corresponding infinitesimal to z-axis is identical in the cross section E, F in Figure 11, but deforms energy-absorbing
The material integral domain area S of 11 cross section F of tape starting section, relative to material product of the deformation energy-absorbing with 13 cross section E of free segment
Subregion S areas become smaller, and calculate the moment of inertia I of gainedzAlso necessarily become smaller.Material integral domain face in the cross section G, H in Figure 11
Product S is identical, but deform in the material integral domain area S of 11 cross section H of energy-absorbing tape starting section each corresponding infinitesimal to z-axis away from
Become from y, the distance y relative to each corresponding infinitesimal to z-axis in deformation material integral domain S of the energy-absorbing with 13 cross section G of free segment
It is small, calculate the moment of inertia I of gainedzAlso necessarily become smaller.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, there is the buffering energy dissipator for starting load peak clipping effect to include deformation energy-absorbing band 1
Main body with clamp structure 2, clamp structure 2 is a part generally y-shaped and with inner cavity, is connected in the main body of clamp structure 2
Locating part 22 is connect, clamp structure connecting hole 21, body lumen wall and the limit of clamp structure 2 are provided in the main body of clamp structure 2
The deformation channel 23 of U-shaped is formd between the part 22 of position.It is metal plate and belt to deform energy-absorbing band 1, and deformation energy-absorbing band 1 is inserted into clamp structure
2, and around clamp structure 2 is stretched out after locating part 22, U-shaped is bent to deform energy-absorbing band 1.It deforms energy-absorbing band 1 and is located at change
In the shape channel 23 and part in neighbouring deformation channel 23 is deformation energy-absorbing tape starting section 11, is located at deformation energy-absorbing tape starting section 11
1 part of deformation energy-absorbing band at both ends is respectively to deform energy-absorbing band stretch section 12 and deformation energy-absorbing band free segment 13.Deform energy-absorbing band
The middle part for starting section 11 is provided with slot hole 111 along 1 length direction of deformation energy-absorbing band, by close to 12 one end of deformation energy-absorbing band stretch section
To close to 13 one end of deformation energy-absorbing band free segment, the width of slot hole 111 is gradually reduced.It is arranged on deformation energy-absorbing band stretch section 12
There is stretch section connecting hole 121.
Embodiment 2
As shown in figure 4, the present embodiment and the difference of embodiment 1 are：Deform the one or both sides edge of energy-absorbing tape starting section 11
1 length direction of deformation energy-absorbing band is provided with elongated slot 112, by close to deformation energy-absorbing band 12 one end of stretch section to close deformation energy-absorbing
13 one end of band free segment, the depth of elongated slot 112 are gradually reduced.
Embodiment 3
As shown in Figure 5：With the buffering energy dissipator for starting load peak clipping effect, including deformation energy-absorbing band 1 and clamping knot
Structure 2；Finite place piece 22 is connected in 2 main body of clamp structure, clamp structure connecting hole 21 is provided in the main body of clamp structure 2, is limited
Position part 22 forms gap with 2 main component of clamp structure, which is deformation channel 23.It is metal tube to deform energy-absorbing band 1, and deformation is inhaled
1 one end of energy band is completely collapsed to which across deformation channel 23, rest part is not crushed or is not completely collapsed and is located at and becomes
23 other side of shape channel.Deformation energy-absorbing band 1 is located at deformation 23 side of channel and closes on not being completely collapsed for deformation channel 23
Part is deformation energy-absorbing tape starting section 11, and 1 part of deformation energy-absorbing band for being located at 11 both ends of deformation energy-absorbing tape starting section is respectively to become
Shape energy-absorbing band stretch section 12 and deformation energy-absorbing band free segment 13.By being inhaled to close to deformation close to deformation energy-absorbing band 12 one end of stretch section
The flattening amount of 13 one end of energy band free segment, deformation energy-absorbing tape starting section 11 is gently reduced.It is arranged on deformation energy-absorbing band stretch section 12
There is stretch section connecting hole 121.
Embodiment 4
The present embodiment and the difference of embodiment 3 are：As shown in figure 9, deformation energy-absorbing band 1 takes the shape of the letter U, clamp structure 2 is using real
Apply the clamp structure 2 of 2 alternate embodiment 3 of clamp structure used by example 1.
Claims (8)
1. with the buffering energy dissipator for starting load peak clipping effect, including deformation energy-absorbing band (1) and clamp structure (2), clamping
Deformation channel (23) is provided in structure (2), deformation energy-absorbing band (1) passes through deformation channel (23), deformation channel (23) to make deformation
Energy-absorbing band (1) is bent, and deformation energy-absorbing band (1) is located in deformation channel (23) and the part of neighbouring deformation channel (23) is that deformation is inhaled
Energy tape starting section (11), deformation energy-absorbing band (1) part for being located at deformation energy-absorbing tape starting section (11) both ends is respectively to deform energy-absorbing
Band stretch section (12) and deformation energy-absorbing band free segment (13), it is characterised in that：With along deformation channel (23) width direction setting
Axis on the basis of axis, in centre-to-centre spacing reference axis apart from identical, the cross section of deformation energy-absorbing tape starting section (11) is for base
The moment of inertia of fiducial axis is less than the moment of inertia of deformation cross section of the energy-absorbing with free segment (13) for reference axis.
2. according to claim 1 have the buffering energy dissipator for starting load peak clipping effect, it is characterised in that：Deformation is inhaled
The middle part of energy tape starting section (11) is provided with slot hole (111) along deformation energy-absorbing band (1) length direction.
3. according to claim 1 have the buffering energy dissipator for starting load peak clipping effect, it is characterised in that：Deformation is inhaled
The one or both sides of energy tape starting section (11) are provided with elongated slot (112) along deformation energy-absorbing band (1) length direction.
4. according to any one of claims 1 to 3 there is the buffering energy dissipator for starting load peak clipping effect, feature to exist
In：It is metal plate and belt to deform energy-absorbing band (1).
5. with the buffering energy dissipator for starting load peak clipping effect, including deformation energy-absorbing band (1) and clamp structure (2)；Clamping
Deformation channel (23) is provided in structure (2), deformation energy-absorbing band (1) passes through deformation channel (23), deformation channel (23) to make deformation
Energy-absorbing band (1) is crushed, and it is to become that deformation energy-absorbing band (1), which is located at deformation channel (23) side and closes on the part of deformation channel (23),
Shape energy-absorbing tape starting section (11), deformation energy-absorbing band (1) part for being located at deformation energy-absorbing tape starting section (11) both ends is respectively to deform
Energy-absorbing band stretch section (12) and deformation energy-absorbing band free segment (13)；It is characterized in that：To be set along deformation channel (23) width direction
Axis on the basis of the axis set, in centre-to-centre spacing reference axis apart from identical, the cross section pair of deformation energy-absorbing tape starting section (11)
It is less than the moment of inertia of deformation cross section of the energy-absorbing with free segment (13) for reference axis in the moment of inertia of reference axis, and by close
Energy-absorbing band stretch section (12) one end to close deformation energy-absorbing band free segment (13) one end is deformed, deformation energy-absorbing tape starting section (11)
Cross section gently increases the moment of inertia of reference axis.
6. according to claim 5 have the buffering energy dissipator for starting load peak clipping effect, it is characterised in that：Deformation is logical
Road (23) makes deformation energy-absorbing band (1) be crushed and be bent.
7. according to claim 5 or 6 have the buffering energy dissipator for starting load peak clipping effect, it is characterised in that：Become
In shape energy-absorbing band (1) there is the cavity being arranged along its length or slot to be crushed in favor of deformation energy-absorbing band (1).
8. according to claim 7 have the buffering energy dissipator for starting load peak clipping effect, it is characterised in that：Deformation is inhaled
Energy band (1) is metal tube；Deformation energy-absorbing tape starting section (11) is crushed, and by close to deformation energy-absorbing band stretch section (12) one end
To close to deformation energy-absorbing band free segment (13) one end, the flattening amount of deformation energy-absorbing tape starting section (11) is gently reduced.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700374A (en) * | 2017-10-10 | 2018-02-16 | 布鲁克（成都）工程有限公司 | With the buffering energy dissipator for starting load peak clipping effect |
| CN109440667A (en) * | 2018-10-19 | 2019-03-08 | 西南交通大学 | A kind of reusable falling rocks blocks system multistage with bar type buffer element |
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2017
- 2017-10-10 CN CN201721298771.9U patent/CN207760745U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700374A (en) * | 2017-10-10 | 2018-02-16 | 布鲁克（成都）工程有限公司 | With the buffering energy dissipator for starting load peak clipping effect |
| CN107700374B (en) * | 2017-10-10 | 2024-03-19 | 布鲁克(苏州)工程有限公司 | Buffering energy dissipation device with starting load peak clipping function |
| CN109440667A (en) * | 2018-10-19 | 2019-03-08 | 西南交通大学 | A kind of reusable falling rocks blocks system multistage with bar type buffer element |
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Effective date of registration: 20220209 Address after: 215000 5-101-1, building 5, No. 88, Jinling East Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Brooke Engineering (Suzhou) Co.,Ltd. Address before: 611731 No. 33 Tianlong Road, hi tech West District, Sichuan, Chengdu Patentee before: Geobrugg (Chengdu) Co.,Ltd. |