CN205000319U - A structure, cantilever crane and strong machine that rams for engineering machinery - Google Patents
A structure, cantilever crane and strong machine that rams for engineering machinery Download PDFInfo
- Publication number
- CN205000319U CN205000319U CN201520534659.5U CN201520534659U CN205000319U CN 205000319 U CN205000319 U CN 205000319U CN 201520534659 U CN201520534659 U CN 201520534659U CN 205000319 U CN205000319 U CN 205000319U
- Authority
- CN
- China
- Prior art keywords
- jib
- engineering machinery
- vibration damping
- structural member
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a structure, cantilever crane and strong machine that rams for engineering machinery relates to engineering machinery technical field. The problem of the prior art structure that has an engineering machinery itself do not possess the damping function, lead to the vibration energy slower technique that dissipates is solved. The structure that should be used for the engineering machinery includes the shell and fills the damping material within the inner chamber of shell, and the damping material occupies the partial space of inner chamber, and the damping material can be at least through the vibration energy on this structure that is used for the engineering machinery that dissipates of the mode with inner chamber friction or inelastic collision. The utility model is used for improve the damping effect of cantilever crane, the job stabilization nature and the security of machine are rammed by force in the reinforcing.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of structural member for engineering machinery, arranges this jib for the structural member of engineering machinery and dynamic compaction machinery.
Background technology
Dynamic compaction machinery is that one utilizes strong rammer principle, by lifting mechanism, hammer ram is risen to certain altitude, then compacting foundation is discharged, strengthen the large-scale engineering machinery construction equipment of foundation capability, be widely used in highway, railway, airport, harbour, reclaim land from the sea, in the basement process such as mountain area backfill.Dynamic compaction machinery has the features such as operating frequency is high, the load that needs frequently to withstand shocks, operation field operating mode are severe, after the jib Condition of Sudden Unloading of dynamic compaction machinery, be stored in complete machine to be particularly stored in the complete machine energy of (jib, oblique rope assembly) in boom system of getting on the bus and to be discharged instantaneously with coming off of hammer ram, jib swing amplitude is larger, complete machine weak element easily causes destruction, has had a strong impact on complete machine job stability and application life.
After current rammer unhooking, jib swing mainly relies on anti-hypsokinesis assembly (anti-hypsokinesis bar, stage clip) and oblique rope assembly (oblique rope, luffing pulley and variable amplitude rope) to come spacing, be stored in the energy in boom system to discharge mainly through the shake of each assembly in the deformation of stage clip in jib swing, anti-hypsokinesis assembly and oblique rope assembly, less for exergonic each assembly damping, it is longer that jib swings the time of tending towards stability.
The applicant finds: prior art at least exists following technical problem:
In prior art, dynamic compaction machinery jib is as shown in Figure 1 circular pipe type trussed construction, windage effect is less, itself does not possess vibration-damping function, after rammer unhooking, reverse impact power causes jib significantly swing, the parts such as the oblique rope assembly making associated close, variable amplitude rope, man-like shelf, anti-hypsokinesis assembly reduce application life greatly, and the critical component-revolving support connected of simultaneously getting on or off the bus is in unexpected loading, unloaded state all the time, very easily impacts destruction.
Current suppression jib swings mainly by installing stage clip or hydraulic cylinder realizes in anti-squat system, although reduce the amplitude of fluctuation of jib to a certain extent, but stage clip damping is less, energy dissipation is slower, stage clip resilience number of times is more, and the device architecture such as hydraulic cylinder scheme additional control valve, pipeline and power source is complicated, fault rate and cost higher, jib swings and does not all tend towards stability fast, have impact on complete machine job stability, safety, comfortableness and application life.
To sum up, in prior art, the structural member (such as: the jib of dynamic compaction machinery) of engineering machinery itself does not possess vibration-damping function, only rely on the outside mode vibration damping (jib of such as dynamic compaction machinery is by the mode vibration damping of hinged anti-squat system) connecting vibration absorber, the vibrational energy existed on the structural member of engineering machinery dissipates comparatively slow, the defect that effectiveness in vibration suppression is undesirable.
Utility model content
One of them object of the present utility model proposes a kind of structural member for engineering machinery, jib and dynamic compaction machinery, solves the structural member itself that prior art exists engineering machinery and do not possess vibration-damping function, causes vibrational energy to dissipate slower technical problem.Many technique effects that optimal technical scheme in many technical schemes that the utility model provides can produce refer to hereafter sets forth.
For achieving the above object, the utility model provides following technical scheme:
The structural member for engineering machinery that the utility model embodiment provides, vibration damping material within the inner chamber comprising shell and be filled in described shell, described vibration damping material occupies the segment space of described inner chamber, and described vibration damping substance is at least by dissipating this vibrational energy on the structural member of engineering machinery with the mode of described inner chamber friction or inelastic collision.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter; described vibration damping material is particle or for fluidity material, and described particle can utilize between different described particles, the friction between described particle and described inner chamber, inelastic collision consume this vibrational energy on the structural member of engineering machinery.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, described particle is spheroid or spheroid.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, the length dimension of described particle is 1mm-25mm.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, described particle is alloy material, metal material, stone or sand.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, the top of described shell is provided with vibration damping material access aperture, the bottom of described shell is provided with vibration damping substance release hole, and described vibration damping material access aperture and described vibration damping substance release hole are all detachably fixedly connected with cap.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, described vibration damping material occupies the 15%-95% of described cavity volume.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, the described structural member for engineering machinery is tubulose or tubular.
The jib that the utility model embodiment provides, comprises the structural member for engineering machinery that the arbitrary technical scheme of the utility model provides.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, described jib comprises epimerite arm, standard arm and coxopodite arm, and at least part of component of described epimerite arm and/or described standard arm is the described structural member for engineering machinery.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, the web member of the web member of described epimerite arm, the web member of described standard arm or described coxopodite arm is the described structural member for engineering machinery.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, described web member is positioned at two side positions of the swaying direction of described jib.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, described web member is straight tube; Or described web member is bend pipe, and the angle between the tangential direction of the swinging track of the length direction of the inner chamber of described web member and described web member is 0 ° ~ 45 °.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, described jib also comprises jib forehead, and described jib forehead is the described structural member for engineering machinery.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, described jib forehead is the elbow shape hollow-core construction that top bends towards the direction deviating from described jib length direction.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, the web member of the web member of described epimerite arm, the web member of described standard arm or described coxopodite arm is the described structural member for engineering machinery, and described web member is positioned at two side positions of the swaying direction of described jib.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, described jib also comprises jib forehead, described jib forehead is the described structural member for engineering machinery, and described jib forehead is the elbow shape hollow-core construction that top bends towards the direction deviating from described jib length direction.
The dynamic compaction machinery that the utility model embodiment provides, comprises the jib that the arbitrary technical scheme of the utility model provides.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, be also provided with jib between the turntable of described jib and described dynamic compaction machinery and swing vibration absorber (jib swings the anti-hypsokinesis assembly that vibration absorber can use prior art to provide).
The method of the structural member effectiveness in vibration suppression of the raising engineering machinery that the utility model embodiment provides, comprises the following steps:
The shell of the structural member of engineering machinery is offered the vibration damping material access aperture with the intracavity inter-connection of described shell;
In described inner chamber, input vibration damping material by described vibration damping material access aperture, make described vibration damping material occupy the segment space of described inner chamber; Described vibration damping substance is at least by dissipating this vibrational energy on the structural member of engineering machinery with the mode of described inner chamber friction or inelastic collision;
Described vibration damping material access aperture is sealed by cap.
As the further optimization of arbitrary technical scheme that the utility model provides above or hereinafter, further comprising the steps of:
Offer the vibration damping substance release hole with the described intracavity inter-connection of described shell on the housing; Vibration damping material that is unnecessary in described inner chamber or wearing and tearing is discharged by described vibration damping substance release hole; By vibration damping substance release hole described in seal cap sealing;
Or, further comprising the steps of:
Open after described cap discharges the vibration damping material of unnecessary in described inner chamber or wearing and tearing by described vibration damping material access aperture, more again seal described vibration damping material access aperture by described cap.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
The inner chamber of the shell of the structural member for engineering machinery provided due to the utility model (or claim: cavity, cavity) within vibration damping substance at least by dissipating this vibrational energy on the structural member of engineering machinery with the mode of inner chamber friction or inelastic collision, this structural member for engineering machinery is made itself to be provided with vibration-damping function thus, the vibrational energy on jib can be dissipated when the structural member for engineering machinery that the utility model provides is applied on jib, improve dissipative velocity and the efficiency of vibrational energy on jib, so solve the structural member itself that prior art exists engineering machinery not possess vibration-damping function, cause the technical problem that vibrational energy dissipation is slower.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of the structure of jib in prior art;
The schematic diagram of the structure of the jib that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the enlarged diagram of jib forehead in a-quadrant shown in Fig. 2;
Fig. 4 is the enlarged diagram of web member shown in Fig. 2;
The schematic diagram of the dynamic compaction machinery of the structure of jib of Fig. 5 for arranging the utility model embodiment and providing;
Reference numeral: 1, shell; 11, jib forehead; 111, vibration damping material access aperture; 112, vibration damping substance release hole; 2, epimerite arm; 3, standard arm; 4, coxopodite arm; 5, turntable (containing counterweight); 6, get off; 7, oblique rope assembly; 8, anti-hypsokinesis assembly; 9, man-like shelf; 12, web member; 121, vibration damping material access aperture; 122, vibration damping substance release hole; 13, vibration damping material; 14, chord member.
Detailed description of the invention
Content of the present utility model and the distinctive points between the utility model and prior art can be understood below with reference to accompanying drawing Fig. 1 ~ Fig. 5 and word content.Hereafter by accompanying drawing and the mode enumerating embodiment more of the present utility model, the technical solution of the utility model (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present utility model and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: arbitrary technological means that the utility model can be provided carries out two or more technological means any of replacing or being provided by the utility model or technical characteristic carries out mutually combining and obtaining new technical scheme.Any technical characteristic in the present embodiment and any technical scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise those skilled in the art do not pay creative work thinkable any alternate embodiments and those skilled in the art two or more technological means any that the utility model is provided or the technical characteristic new technical scheme carrying out mutually combining and obtain.
The utility model embodiment provide a kind ofly have that vibration-damping function, structure are simple, the dissipative velocity of vibrational energy is faster for the structural member of engineering machinery, jib, dynamic compaction machinery and the method for structural member effectiveness in vibration suppression improving engineering machinery.
Below in conjunction with the elaboration that Fig. 2 ~ Fig. 5 carries out specifically to the technical scheme that the utility model provides.
As shown in Fig. 2 ~ Fig. 5, the structural member for engineering machinery that the utility model embodiment provides comprises shell 1 and is filled in the vibration damping material 13 within the inner chamber of shell 1, vibration damping material 13 occupies the segment space of inner chamber, and vibration damping material 13 can at least by dissipating this vibrational energy on the structural member of engineering machinery with the mode of inner chamber friction or inelastic collision.
Vibration damping material 13 within the inner chamber of the shell 1 of the structural member for engineering machinery provided due to the utility model can at least by dissipating this vibrational energy on the structural member of engineering machinery with the mode of inner chamber friction or inelastic collision, this structural member for engineering machinery is made itself to be provided with vibration-damping function thus, the vibrational energy on jib can be dissipated when the structural member for engineering machinery that the utility model provides is applied on jib, improve dissipative velocity and the efficiency of vibrational energy on jib.
As the Alternate embodiments of the arbitrary technical scheme of the utility model; vibration damping material 13 is particle or for fluidity material, and particle can utilize the friction between different particles, between particle and inner chamber, inelastic collision consumes this vibrational energy on the structural member of engineering machinery.
The vibration damping material 13 of particle can make full use of friction between different particles, between particle and inner chamber, inelastic collision consumes this vibrational energy on the structural member of engineering machinery, thus effectively improves consumption efficiency and the speed of vibrational energy.
The larger effectiveness in vibration suppression of toughness of fluidity material can unreasonablely be thought.In the present embodiment, fluidity material can be liquid, also can be the mixture of particle and liquid.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, particle is spheroid or spheroid.The mobility of particle of this structure is strong, to be conducive to being conducted to by this vibrational energy on the structural member of engineering machinery rapidly on particle and to be consumed by vibrational energy by modes such as the friction between particle or inelastic collisions.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, the length dimension of particle is 1mm-25mm, and being preferably 2mm-20mm, such as, can be 3mm, 8mm, 15mm, 18mm.As particle be spheroid time, this length dimension refers to its diameter.The particle of this size not only easily manufactures, and contact area between particle and inner chamber and friction area all comparatively large, preferably the vibrational energy that inner chamber conduction comes can be conducted to other particles and this vibrational energy dissipates the most at last.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, particle is alloy material (being preferably metal), metal material (being specifically as follows lead, copper, steel), stone or sand.The particle of above-mentioned material is drawn materials conveniently, with low cost, and preferably adopt plumbous material, plumbous material density is large, and rigidity is weak, and the efficiency of dissipate vibrational energy is high.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, the top of shell 1 is provided with vibration damping material access aperture (Fig. 3 illustrates vibration damping material access aperture 111 on jib forehead 11 and Fig. 4 and illustrates vibration damping material access aperture 121 on web member 12), the bottom of shell 1 is provided with vibration damping substance release hole (Fig. 3 illustrates vibration damping substance release hole 112 on jib forehead 11 and Fig. 4 and illustrates vibration damping substance release hole 122 on web member 12), vibration damping material access aperture is all detachably fixedly connected with vibration damping substance release hole (this be detachably fixedly connected with can for being threaded) cap.Open vibration damping material access aperture and can input vibration damping material 13, open vibration damping substance release hole and vibration damping material 13 that is unnecessary or wearing and tearing can be discharged, to guarantee the lasting and constant of effectiveness in vibration suppression.Vibration damping material access aperture and vibration damping substance release hole are preferably cylindrical hole.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, vibration damping material 13 occupies the 15%-95% (be specifically as follows 20%-90%, being preferably 60%, also can be 20%, 25%, 70%, 85,90%) of cavity volume.Preferably effectiveness in vibration suppression can be guaranteed in above-mentioned number range.When vibration damping material 13 occupy cavity volume excessive time, the flowing space of vibration damping material 13 is too small, be unfavorable for utilizing the friction between different particles, between particle and inner chamber, inelastic collision consumes vibrational energy, vibration damping material 13 occupy cavity volume too small time, vibration damping material 13 is too small with the contact area of inner chamber, absorbent to come from this vibrational energy for the structural member of engineering machinery less, be unfavorable for improving effectiveness in vibration suppression.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, the described structural member for engineering machinery is tubulose or tubular.The structural member regular shape of tubulose or tubular, is convenient to processing and manufacturing, is also convenient to input and release vibration damping material 13.
The jib that the utility model embodiment provides, comprises the structural member for engineering machinery that the arbitrary technical scheme of the utility model provides.The structural member for engineering machinery that jib is suitable for adopting the utility model to provide is to improve depletion rate and the efficiency of its vibrational energy.Compared with existing jib structure, the jib outward appearance that the utility model provides can not be done to change, and can only allow particle only occupy jib pipe fitting part cavity volume, easy to process, can not increase extra manufacturing cost.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, jib comprises epimerite arm 2, standard arm 3 and coxopodite arm 4, and at least part of component of epimerite arm 2 and/or standard arm 3 is the described structural member for engineering machinery.
In jib swing process, epimerite arm 2, standard arm 3 and coxopodite arm 4 three all can swing, so all there is the demand of vibration damping, epimerite arm 2, standard arm 3 and coxopodite arm 4 include chord member 14 and web member 12 separately, and web member 12 is fixedly connected between different chord members 14.The amplitude of fluctuation of epimerite arm 2, standard arm 3 is comparatively large, and the structural member for engineering machinery that epimerite arm 2, standard arm 3 adopt the utility model to provide can realize preferably effectiveness in vibration suppression.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, the web member 12 of the web member 12 of epimerite arm 2, the web member 12 of standard arm 3 or coxopodite arm 4 is the described structural member for engineering machinery.In existing jib structure, web member 12 is especially positioned at the web member 12 of two side positions of the swaying direction of jib, angle between its length direction and swaying direction of jib is less, in jib swing process, vibration damping material 13 flowing space in inner chamber is comparatively large, and effectiveness in vibration suppression is even more ideal.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, the angle between the tangential direction of the length direction of the inner chamber of web member 12 and the swinging track of web member 12 is 0 ° ~ 45 °.This angle is the smaller the better, but in order to when doing less transformation to existing structure, web member 12 that above-mentioned angle is less can be selected during application the utility model to input vibration damping material 13 within it and to be transform as the structural member being used for engineering machinery that the utility model provides.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, jib also comprises jib forehead (being called for short: forehead) 11, and jib forehead 11 is the described structural member for engineering machinery.Jib forehead 11 is the component that in the jib course of work, amplitude of fluctuation is maximum, is suitable for applying the utility model to improve its effectiveness in vibration suppression.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, jib forehead 11 is the elbow shape hollow-core construction that top bends towards the direction deviating from jib length direction.This structure is not only convenient to pull open the spacing between hammer ram and jib and even dynamic compaction machinery chassis that wire rope lifts by crane, and then avoid hammer ram to cause hurt to dynamic compaction machinery, and the amount of the vibration damping material 13 of jib forehead 11 accommodation of said structure is comparatively large, effectiveness in vibration suppression is even more ideal.
The dynamic compaction machinery that the utility model embodiment provides, comprises the jib that the arbitrary technical scheme of the utility model provides.The jib that dynamic compaction machinery is suitable for adopting the utility model to provide is to improve the effectiveness in vibration suppression of its jib and even complete machine, and then the job stability of raising complete machine, safety, comfortableness and application life.
Research finds jib forehead 11, web member 12 inner lumen adds particle and do not add Particle Phase ratio, because particle volume is less, jib weight change after filler particles is little, jib amplitude of fluctuation, monocycle self-energy dissipation amount after rammer unhooking before decay is obviously in several cycle, jib swings and tends towards stability very soon, substantially increases complete machine stability and application life when dynamic compaction machinery works.
Concentrate below in conjunction with accompanying drawing 2-Fig. 5 and set forth the utility model optimal technical scheme:
The jib that the utility model optimal technical scheme provides is at this jib forehead 11, adding cavity volume in epimerite arm 2 and respective web member 12 inner chamber of standard arm 3 is the large (alloy material of 20%-90% diameter little (diameter is less than 20mm) density, plumbous matter, copper, steel etc.) particle, jib swing after rammer unhooking, between particle in jib web member 12 inner chamber that jib forehead 11 and longitudinal with car load (longitudinally can be understood as the direction of crawler belt forward-reverse) plane of symmetry parallel, phase mutual friction and inelastic collision dissipation vibration of arm energy between particle with inner chamber, jib forehead 11 is found by research, add particle in web member 12 inner chamber and do not add Particle Phase ratio, jib amplitude of fluctuation, monocycle self-energy dissipation amount after rammer unhooking before decay is significantly in several cycle, jib swings and tends towards stability very soon.
The dynamic compaction machinery that the utility model optimal technical scheme provides by jib, turntable (comprising counterweight) 5, get off 6, oblique rope assembly 7, anti-hypsokinesis assembly 8 and man-like shelf 9 form, wherein jib is made up of jib forehead 11, epimerite arm 2, standard arm 3 and coxopodite arm 4, forehead and epimerite arm 2 upper end weld together, and epimerite arm 2, standard arm 3 and coxopodite arm 4 are connected firmly by bearing pin between any two.The jib epimerite arm 2 paralleled with the longitudinal plane of symmetry of car load and each web member 12 of standard arm 3 pushes up on two terminal circle cylinder and jib forehead 11, bottom surface respectively has cylindrical hole as vibration damping material access aperture and vibration damping substance release hole, vibration damping material access aperture for filling the shot that diameter is 2mm, until reach the empty inner chamber of interstitital texture long-pending about 60%.
The operating principle of particle vibration damping: after rammer unhooking, jib is at rear pendulum boost phase, jib forehead 11 and web member 12 speed goes large, the particle be in jib forehead 11 inner chamber and web member 12 plays initial velocity lower than forehead and web member 12 speed, forehead internal particle extrudes mutually, inelastic collision compresses forehead front side wall gradually, forms stronger riding chain; Jib is trussed construction, and web member 12 oblique weld, on chord member 14, is in and becomes the particle in counterclockwise angle web member 12 to compress right side chord member 14 gradually with the direction of motion, and between particle, mutual inelastic collision extruding, forms stronger riding chain; Be in and become phase mutual friction between particle in clockwise angle web member 12 and web member 12 inner chamber with the direction of motion, the interaction force between particle reduces.Jib is in the rear pendulum decelerating phase, jib forehead 11 and web member 12 speed goes little, the particle velocity of forehead inner chamber and web member 12 inside is higher than forehead and web member 12 speed, no matter throw motion after forehead internal particle does under forehead front side wall thrust becomes the particle counterclockwise or in clockwise angle web member 12 to do oblique upper paraboloiding movement with being under the effect of web member 12 power with the direction of motion, mutual inelastic collision between particle, phase mutual friction between particle with inner chamber, the Interaction Force of particle weakens, until jib hypsokinesis is to extreme position.Jib is under the effect of anti-hypsokinesis spring force, jib forward swing accelerates, jib forehead 11 and web member 12 speed increase, the particle velocity of forehead and web member 12 inside is lower than forehead and web member 12 speed, forehead internal particle extrudes mutually, inelastic collision compresses forehead rear wall gradually, forms stronger riding chain; Be in and become the Particle Phase in clockwise angle web member 12 to do rear upthrow to web member 12 with the direction of motion to move, phase mutual friction between particle with web member 12 inner chamber, forms more weak riding chain; Be in become with the direction of motion between the particle in the web member 12 of counterclockwise angle and forehead mutually extrude, inelastic collision, form stronger riding chain.Jib forward swing slows down, jib forehead 11 and web member 12 speed reduce, the particle velocity of forehead and web member 12 inside is higher than forehead and web member 12 speed, no matter throw motion before forehead internal particle does under forehead rear wall thrust becomes the particle clockwise or in counterclockwise angle web member 12 to do oblique upper paraboloiding movement with being in the direction of motion, mutual inelastic collision between particle, phase mutual friction between particle with inner chamber, then forms stronger riding chain gradually.As from the foregoing, jib is in a wobble cycle, no matter jib forehead 11 becomes any angle with side direction web member 12 with the direction of motion, all there is friction, inelastic collision and extruding between particle and between particle and inner chamber, dissipate vibration of arm energy, do not add Particle Phase ratio with in jib forehead 11, web member 12 body, the jib amplitude of fluctuation of filler particles obviously reduces, reach rammer unhooking retrude galianconism frame to become the steady time, improve dynamic compaction machinery job stability, strengthen the object of complete machine ability to work.
The method of the structural member effectiveness in vibration suppression of the raising engineering machinery that the utility model embodiment provides, comprises the following steps:
The shell 1 of the structural member of engineering machinery is offered the vibration damping material access aperture with the intracavity inter-connection in shell 1;
In inner chamber, input vibration damping material 13 by vibration damping material access aperture, make vibration damping material 13 occupy the segment space of inner chamber; Vibration damping material 13 can at least by dissipating this vibrational energy on the structural member of engineering machinery with the mode of inner chamber friction or inelastic collision;
By cap sealing vibration damping material access aperture.
Vibration-damping function can be increased at the structural member of engineering machinery (such as: the web member 12 of jib) by said method, and then improve its effectiveness in vibration suppression.
As the Alternate embodiments of the arbitrary technical scheme of the utility model, further comprising the steps of:
Shell 1 is offered the vibration damping substance release hole with the intracavity inter-connection in shell 1; Discharge vibration damping material 13 that is unnecessary in inner chamber or wearing and tearing; By seal cap sealing vibration damping substance release hole;
Vibration damping material 13 that is unnecessary or wearing and tearing can be discharged in time by said method, and then guarantee the lasting and constant of effectiveness in vibration suppression.
Certainly, as the replacement scheme of above-mentioned embodiment, the utility model embodiment also can comprise the following steps: open after cap discharges the vibration damping material 13 of unnecessary in inner chamber or wearing and tearing by vibration damping material access aperture, more again by cap sealing vibration damping material access aperture.
Now, vibration damping material access aperture achieves the effect of input vibration damping material 13 and release vibration damping material 13 simultaneously.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the utility model just discloses component values to illustrate the technical solution of the utility model, and the above-mentioned numerical value enumerated should not form restriction the utility model being created to protection domain.
If employ the word such as " first ", " second " herein to carry out limiting structure part, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to structural member, the implication that above-mentioned word is not special.
Simultaneously, if above-mentioned the utility model discloses or relate to structural member or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use casting technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in above-mentioned the utility model for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts that the utility model provides both can be assembled by multiple independent ingredient, and also can be one of the forming manufacture technics separate part out.
If employ term " " center " in description of the present utility model, " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " etc., orientation or the position relationship of so above-mentioned term instruction are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the structural member for engineering machinery of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (13)
1. the structural member for engineering machinery, it is characterized in that, vibration damping material within the inner chamber comprising shell and be filled in described shell, described vibration damping material occupies the segment space of described inner chamber, and described vibration damping substance is at least by dissipating this vibrational energy on the structural member of engineering machinery with the mode of described inner chamber friction or inelastic collision.
2. the structural member for engineering machinery according to claim 1, it is characterized in that, described vibration damping material is particle, and described particle can utilize between different described particles, the friction between described particle and described inner chamber, inelastic collision consume this vibrational energy on the structural member of engineering machinery.
3. the structural member for engineering machinery according to claim 2, is characterized in that, described particle is spheroid or spheroid.
4. the structural member for engineering machinery according to claim 2, is characterized in that, the length dimension of described particle is 1mm-25mm.
5. the structural member for engineering machinery according to claim 2, is characterized in that, described particle is alloy material, metal material, stone or sand.
6. the structural member for engineering machinery according to claim 1, it is characterized in that, the top of described shell is provided with vibration damping material access aperture, the bottom of described shell is provided with vibration damping substance release hole, and described vibration damping material access aperture and described vibration damping substance release hole are all detachably fixedly connected with cap.
7. the structural member for engineering machinery according to claim 1, is characterized in that, described vibration damping material occupies the 15%-95% of described cavity volume.
8. a jib, is characterized in that, comprises the arbitrary described structural member for engineering machinery of claim 1-7.
9. jib according to claim 8, is characterized in that, described jib comprises epimerite arm, standard arm and coxopodite arm, and at least part of component of described epimerite arm and/or described standard arm is the described structural member for engineering machinery.
10. jib according to claim 9, is characterized in that, the web member of the web member of described epimerite arm, the web member of described standard arm or described coxopodite arm is the described structural member for engineering machinery, and described web member is positioned at two side positions of the swaying direction of described jib.
11.-10 arbitrary described jibs according to Claim 8, it is characterized in that, described jib also comprises jib forehead, and described jib forehead is the described structural member for engineering machinery, and described jib forehead is the elbow shape hollow-core construction that top bends towards the direction deviating from described jib length direction.
12. 1 kinds of dynamic compaction machineries, is characterized in that, comprise the arbitrary described jib of claim 8-11.
13. dynamic compaction machineries according to claim 12, is characterized in that, be also provided with jib and swing vibration absorber between the turntable of described jib and described dynamic compaction machinery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520534659.5U CN205000319U (en) | 2015-07-22 | 2015-07-22 | A structure, cantilever crane and strong machine that rams for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520534659.5U CN205000319U (en) | 2015-07-22 | 2015-07-22 | A structure, cantilever crane and strong machine that rams for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205000319U true CN205000319U (en) | 2016-01-27 |
Family
ID=55157216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520534659.5U Active CN205000319U (en) | 2015-07-22 | 2015-07-22 | A structure, cantilever crane and strong machine that rams for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205000319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703005A (en) * | 2015-07-22 | 2017-05-24 | 徐工集团工程机械股份有限公司 | Structural member for engineering machine, cantilever crane, dynamic compaction machine and method |
-
2015
- 2015-07-22 CN CN201520534659.5U patent/CN205000319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703005A (en) * | 2015-07-22 | 2017-05-24 | 徐工集团工程机械股份有限公司 | Structural member for engineering machine, cantilever crane, dynamic compaction machine and method |
| CN106703005B (en) * | 2015-07-22 | 2021-11-09 | 徐工集团工程机械股份有限公司 | Structural part for engineering machinery, arm support, dynamic compaction machine and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205000319U (en) | A structure, cantilever crane and strong machine that rams for engineering machinery | |
| CN105889392B (en) | Quarry tipper suspension cylinder | |
| CN205000317U (en) | Prevent hypsokinesis structure, prevent hypsokinesis device and engineering machinery | |
| CN203428821U (en) | Variable-amplitude cylinder buffer device and crane | |
| CN106703005B (en) | Structural part for engineering machinery, arm support, dynamic compaction machine and method | |
| CN205954905U (en) | Vibration -damping protector for guyed curtain walls | |
| CN201486483U (en) | Retaining mechanism for drill rod | |
| CN202577400U (en) | Continuous wall grab bucket trenching machine | |
| CN102767285A (en) | Arm-frame stroke-controlled oil-cylinder device and arm-frame vibration-controlling system | |
| CN107964865B (en) | Light short girder suspension bridge with separated girder weight and rigidity functions | |
| CN107255134A (en) | Viscoelastic medium buffer | |
| CN204267066U (en) | A kind of constant-resistance anchor rod pallet board | |
| CN210510083U (en) | Single-cylinder large-cylinder-diameter truck shock absorber | |
| CN107740536A (en) | A kind of damping type beam body for building | |
| CN103407916A (en) | Luffing oil cylinder buffer device and crane | |
| CN107387645A (en) | A kind of automobile absorber with quick mounting type dust cover | |
| CN104373146A (en) | Constant-resistance anchor rod tray | |
| CN206902973U (en) | A kind of damping device of civil engineering structure | |
| CN201245853Y (en) | Large arm oil cylinder of digging loader | |
| CN106015430B (en) | A kind of buffer unit and hydro-pneumatic spring | |
| CN209370194U (en) | The hydraulic cylinder encapsulated using gland | |
| CN104653829A (en) | Novel embedded safety valve of lifting pump of dump truck | |
| CN206206308U (en) | A kind of oil cylinder | |
| CN211444747U (en) | High-speed bank bridge trolley traction wheel vibration-avoiding system | |
| CN106703002A (en) | Anti-back-tipping structural piece, anti-back-tipping device and engineering machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |