CN100554718C - Electric type initiative bump leveller - Google Patents

Electric type initiative bump leveller Download PDF

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Publication number
CN100554718C
CN100554718C CNB2008100640587A CN200810064058A CN100554718C CN 100554718 C CN100554718 C CN 100554718C CN B2008100640587 A CNB2008100640587 A CN B2008100640587A CN 200810064058 A CN200810064058 A CN 200810064058A CN 100554718 C CN100554718 C CN 100554718C
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China
Prior art keywords
shell
guide
electric type
bump leveller
vibration exciter
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Expired - Fee Related
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CNB2008100640587A
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Chinese (zh)
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CN101235867A (en
Inventor
李玩幽
李振兴
许春光
丁勇
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Harbin Engineering University
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Harbin Engineering University
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Priority to CNB2008100640587A priority Critical patent/CN100554718C/en
Publication of CN101235867A publication Critical patent/CN101235867A/en
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Publication of CN100554718C publication Critical patent/CN100554718C/en
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Abstract

The present invention is to provide a kind of electric type initiative bump leveller.Comprise shell, in the enclosure vibration exciter, metal spring, the exciting rod that sends control force, slide mechanism and guide mechanism are installed, described metal spring is stage clip, is arranged between vibration exciter and the shell by the guide mechanism location, shell and absorbing object are rigidly connected, the exciting rod of vibration exciter links to each other with shell, between vibration exciter and the shell slide mechanism is arranged, described slide mechanism comprises that the chute, the end that are fixed on the vibration exciter are fixed in the slide block that the other end on the shell stretches into chute.Metal spring is designed to the stage clip form and makes that electric type initiative bump leveller more compact structure, controlling object are more extensive, work is more reliable in the invention; Removable shell makes that on the basis of stable delivery control force the electric type initiative bump leveller dismounting is more flexible, is convenient to safeguard; Slide mechanism and guide mechanism make electric type initiative bump leveller work more stable; Damper improves the electric type initiative bump leveller working efficiency greatly.

Description

Electric type initiative bump leveller
(1) technical field
What the present invention relates to is a kind of bump leveller, specifically a kind of electric type initiative bump leveller.
(2) background technique
For a long time, eliminate nuisance vibration is the focus that people pay close attention to always.Report about this respect is also more, for example number of patent application is disclosed " magnetic flowing deformation elastomer frequency shift type attenuator and a controlling method " in 200510094882.3 the patent document, by the vibration frequency of adjusting bump leveller power unit and the identical absorbing of vibration frequency of vibration damping object, belong to half active absorbing technology; Number of patent application is disclosed " active shock absorption system for magnetorheological elastomer " in 200520076658.7 the utility model patent file, control becoming stiffness elements and active force element respectively according to the frequency of being vibrated by the vibration damping object, amplitude and phase information, belong to half initiatively absorbing technology and initiatively absorbing technical tie-up application; Number of patent application is disclosed " active shock absorption system for magnetorheological elastomer and a controlling method " in 200510094987.9 the patent of invention file, control becoming stiffness elements and active force element respectively according to the frequency of being vibrated by the vibration damping object, amplitude and phase information, belong to half initiatively absorbing technology and initiatively absorbing technical tie-up application; Number of patent application is disclosed " rigidity-variable full-automatic power vibration-absorber " in 200710022495.8 the patent of invention file, utilize magnetic rheology elastic body to change the natural frequency of bump leveller, and can send control force, belong to half active absorbing technology and active absorbing technology in conjunction with application category.Existing electric type initiative bump leveller has solved the principle problem of low frequency absorbing and wideband absorbing.But because the deficiency in its design makes it be difficult to be applied to engineering reality.Absorbing object (as the main and auxiliary machine of underway boats and ships) on particularly moving for lateral oscillation, tilt forward and back etc., existing electric type initiative bump leveller is difficult to work.Therefore, be necessary to design a kind of safe and reliable method of electric type initiative bump leveller of improving that proposes.
Lee of Harbin Engineering University plays and imprisons the electric type initiative bump leveller that designs solved the problem of low frequency absorbing and wideband absorbing from principle in Master's thesis, but the absorbing object in the motions such as designed electric type initiative bump leveller can not be applied to lateral oscillation, tilt forward and back, reliability is not high.
(3) summary of the invention
The object of the present invention is to provide a kind of mounting arrangements flexibly, not to be subjected to the restriction of extraneous operating conditions, safe and reliable electric type initiative bump leveller.
The object of the present invention is achieved like this: comprise shell, in the enclosure vibration exciter, metal spring, the exciting rod that sends control force, slide mechanism and guide mechanism are installed, described metal spring is stage clip, is arranged between vibration exciter and the shell by the guide mechanism location, shell and absorbing object are rigidly connected, exciting rod is connected between vibration exciter and the shell, between vibration exciter and the shell slide mechanism is arranged, described slide mechanism comprises that the chute, the end that are fixed on the vibration exciter are fixed in the slide block that the other end on the shell stretches into chute.
The present invention can also comprise:
1, described shell is cylindrical, and the bottom of shell and skirt section are the branch body structure.
2, described slide mechanism has 3, and 3 slide mechanisms are arranged in the vibration exciter disc on every side, and angle each other becomes 120 degree.
3, described guide mechanism comprises the axis of guide that has positioning shaft and flange, snap ring, linear bearing, the sleeve that has flange, pad, constitute the piston of damper, the axis of guide is connected with vibration exciter by the flange of upper end, there is a positioning shaft that can be deep in the vibration exciter positioning hole axis of guide upper end, sleeve is fixedly connected by the flange and the shell of lower end, the axis of guide constitutes relative movement by linear bearing and sleeve, Spielpassung between the axis of guide and the linear bearing wherein, excessively cooperate between two linear bearings and the sleeve, open a groove in inboard, sleeve upper end, the standard snap ring of in this groove, packing into, the hole is opened in the sleeve lower end, pad covers on through hole, and pad is fixed by screw and sleeve.
4, be provided with damper in the described guide mechanism, damper adopts piston type, and the piston that is equipped with circular hole and axis of guide lower end are by being threaded piston and linear bearing, enclosed space of pad formation, the damping oil of the certain viscosity of interior injection.
The key points in design of electric type initiative bump leveller of the present invention mainly comprises the design arrangement of the metal spring that improves the electric type initiative bump leveller functional reliability, removable housing designs is arranged, the slide mechanism design arrangement, guide mechanism design arrangement, the design arrangement of damper.The metal spring that constitutes electric type initiative bump leveller adopts the stage clip structure to make the electric type initiative bump leveller more compact structure, and it is more reliable to work.Removable shell makes that on the basis of stable delivery control force the electric type initiative bump leveller dismounting is more flexible, is convenient to the maintenance of electric type initiative bump leveller.Custom-designed slide mechanism mainly works support to constitute vibration exciter in the electric type initiative bump leveller, prevents to be subjected at work the absorbing object and tilts forward and back influence to electric type initiative bump leveller.Custom-designed guide mechanism has been removed the influence of absorbing object lateral oscillation to electric type initiative bump leveller, and the control force that electric type initiative bump leveller is sent can vertically act on the absorbing object.The damper of design is widened the electric type initiative bump leveller working band, has improved the stability to electric type initiative bump leveller control.
The main feature of each several part is embodied in:
1, metal spring 2 designs according to electric type initiative bump leveller work lower frequency limit.The resonant frequency that is the vibration exciter 1 formed vibration system of metal spring 2 and the be connected axis of guide 7 and chute 6 will be lower than 3 to 4 times of electric type initiative bump leveller lowest operating frequencies.For example requiring the electric type initiative bump leveller work lower frequency limit of design is 15Hz, and then metal spring 2 should be lower than 3Hz with the resonant frequency of the vibration exciter 1 formed vibration system of the be connected axis of guide 7 and chute 6.The metal spring 2 that constitutes electric type initiative bump leveller adopts the stage clip form, be arranged between vibration exciter 1 and the shell 3 by the guide mechanism location, constitute mass-spring system with the vibration exciter 1 of the be connected axis of guide 7 and chute 6, design can improve the compactedness of electric type initiative bump leveller structure and the stability of work like this.
2, removable shell 3 is designed to cylindrical shape.The shell 3 and the absorbing object of electric type initiative bump leveller are rigidly connected, and the exciting rod 4 of vibration exciter 1 sends control force, passes to the absorbing object by shell 3, reaches the purpose to absorbing object vibration damping.Shell 3 adopts the branch body structure in bottom and skirt section, is convenient to the dismounting and the maintenance of electric type initiative bump leveller.
3, the main effect of slide mechanism is to support the vibration exciter 1 that constitutes electric type initiative bump leveller, prevent to be subjected at work the absorbing object and tilt forward and back influence, make the electric type initiative bump leveller can high efficiency smooth work and not limited by operating conditions electric type initiative bump leveller.
4, slide mechanism comprises the chute 6 that is fixed on the vibration exciter 1, is fixed in the slide block 5 on the shell 3.Slide block 5 is fixed on the shell 3 in the work, and chute 6 is with vibration exciter 1 up-down vibration, then slide block 5 slide relative in chute 6.3 slide mechanisms are arranged in the disc around the vibration exciter 1 in the invention, and angle each other becomes 120 degree, reach steady state.
5, the main effect of guide mechanism is to prevent to be subjected at work absorbing object lateral oscillation electric type initiative bump leveller is influenced, and the control force that electric type initiative bump leveller is sent can vertically act on the absorbing object.Make electric type initiative bump leveller not be subjected to operating conditions restriction work reliably.
6, guide mechanism comprises the axis of guide 7, snap ring 8, linear bearing 9, the sleeve 10 that has flange, the pad 11 that has positioning shaft and flange, the piston 12 that constitutes damper.The axis of guide 7 is connected with vibration exciter 1 by the flange of upper end, and a positioning shaft that can be deep in vibration exciter 1 positioning hole has been designed in the axis of guide 7 upper ends, the mass-spring system motion that the axis of guide 7 constitutes along with vibration exciter 1 in the work.Sleeve 10 is fixedly connected by the flange and the electric type initiative bump leveller shell 3 of lower end.The axis of guide 7 constitutes relative movement by linear bearing 9 and sleeve 10, and wherein the axis of guide 7 constitutes Spielpassung with linear bearing 9, and two linear bearings 9 and sleeve 10 form and excessively cooperate so that assembling, and then forms leading role.At the possible upwards play of the process cathetus bearing that moves up and down 9, open a groove in inboard, sleeve 10 upper end, the standard snap ring 8 of in this groove, packing in order to prevent the axis of guide 7.For the ease of the dismounting of linear bearing 9, the hole is opened in sleeve 10 lower ends, and utilizes a pad 11 to cover through hole, and pad 11 is fixing by screw and sleeve 10.
7, the damper that designs in the guide mechanism adopts piston type.The piston 12 that is equipped with circular hole and the axis of guide 7 lower ends are by being threaded, and piston 12 constitutes an enclosed space, the damping oil 13 of the certain viscosity of interior injection with linear bearing 9, pad 11.Piston 12 makes electric type initiative bump leveller form certain damping along with the axis of guide 7 moves up and down in the work.The electric type initiative bump leveller working band is widened.
Compared with prior art, the invention has the advantages that:
At first, adopt the contrast of extension spring structure with existing electric type initiative bump leveller, the metal spring of the active vibration absorber among the present invention is arranged to the stage clip form and makes the electric type initiative bump leveller more compact structure, and it is more reliable to work.
Secondly, the shell of the electric type initiative bump leveller among the present invention adopts and divides body structure on the basis that solves transmitting control power, is convenient to the layout and the dismounting of active vibration absorber.
Once more, electric type initiative bump leveller slide mechanism and guide mechanism have realized that electric type initiative bump leveller avoids the restriction of operating conditions among the present invention, be not subjected to the influence of the tilting forward and back of controlled device, lateral oscillation motion, well absorbing has improved the reliability of electric type initiative bump leveller work on the exciting rod direction.
At last, the damper among the present invention is widened the electric type initiative bump leveller working band, has improved the stability to electric type initiative bump leveller control.
(4) description of drawings
Fig. 1 is the longitudinal profile structural representation of the electric type initiative bump leveller among the present invention;
Fig. 2 be among the present invention electric type initiative bump leveller laterally cut open the chip architecture schematic representation;
Fig. 3 is the guide mechanism schematic representation of band damper among the present invention;
(5) embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1 and Fig. 2, electric type initiative bump leveller is by vibration exciter 1, metal spring 2, and removable shell 3 sends the exciting rod 4 of control force, the slide block 5 of slide mechanism and chute 6, guide mechanism, several parts of damper are formed.The metal spring 2 that constitutes electric type initiative bump leveller adopts the stage clip form, is arranged between vibration exciter 1 and the shell 3 by the guide mechanism location, with the vibration exciter 1 formation mass-spring system of the be connected axis of guide 7 and chute 6.The shell 3 and the absorbing object of electric type initiative bump leveller are rigidly connected, and the exciting rod 4 of vibration exciter 1 sends control force, passes to the absorbing object by shell 3, reaches the purpose of vibration damping.Slide mechanism mainly comprises the chute 6 that is fixed on the vibration exciter 1, is fixed in the slide block 5 on the shell.Slide block 5 is fixed on the shell 3 in the work, and chute 6 is with vibration exciter 1 up-down vibration, then slide block 5 slide relative in chute 6.
In conjunction with Fig. 3, the axis of guide 7 is connected with vibration exciter 1 by the flange of upper end, and a positioning shaft that can be deep in vibration exciter 1 positioning hole has been designed in the upper end of the axis of guide 7, and the axis of guide 7 is along with the mass-spring system that vibration exciter 1 constitutes moves up and down in the work.Sleeve 10 is connected by the flange and the electric type initiative bump leveller shell 3 of lower end.The axis of guide 7 constitutes straight line relative movement on the Vertical direction by linear bearing 9 and sleeve 10,9 one-tenths Spielpassung of the axis of guide 7 and linear bearing structure wherein, and two linear bearings 9 and sleeve 10 form and excessively cooperate so that assemble, and then the formation leading role.At the possible upwards play of the process cathetus bearing that moves up and down 9, open a groove, the standard snap ring 8 of in this groove, packing in order to prevent the axis of guide 7 in inboard, sleeve upper end.The damper that designs in the guide mechanism adopts piston type.The piston 12 that is equipped with circular hole and the axis of guide 7 lower ends are by being threaded, and piston 12 constitutes an enclosed space, the damping oil 13 of the certain viscosity of interior injection with linear bearing 9, pad 11.Piston 12 forms certain damping along with the axis of guide 7 moves up and down in the work, can change the damping of system by the damping oil 13 of changing different viscositys.

Claims (7)

1, a kind of electric type initiative bump leveller, comprise shell, in the enclosure vibration exciter, metal spring, the exciting rod that sends control force, slide mechanism and guide mechanism are installed, it is characterized in that: described metal spring is stage clip, is arranged between vibration exciter and the shell by the guide mechanism location, shell and absorbing object are rigidly connected, exciting rod is connected between vibration exciter and the shell, between vibration exciter and the shell slide mechanism is arranged, described slide mechanism comprises that the chute, the end that are fixed on the vibration exciter are fixed in the slide block that the other end on the shell stretches into chute.
2, electric type initiative bump leveller according to claim 1 is characterized in that: described shell is cylindrical, and the bottom of shell and skirt section are the branch body structure.
3, electric type initiative bump leveller according to claim 1 and 2 is characterized in that: described slide mechanism has 3, and 3 slide mechanisms are arranged in the vibration exciter disc on every side, and angle each other becomes 120 degree.
4, electric type initiative bump leveller according to claim 1 and 2, it is characterized in that: described guide mechanism comprises the axis of guide that has positioning shaft and flange, snap ring, linear bearing, the sleeve that has flange, the piston of pad and formation damper, the axis of guide is connected with vibration exciter by the flange of upper end, there is a positioning shaft that can be deep in the vibration exciter positioning hole axis of guide upper end, sleeve is fixedly connected by the flange and the shell of lower end, the axis of guide constitutes relative movement by linear bearing and sleeve, Spielpassung between the axis of guide and the linear bearing wherein, excessively cooperate between two linear bearings and the sleeve, open a groove in inboard, sleeve upper end, the standard snap ring of in this groove, packing into, the hole is opened in the sleeve lower end, pad covers on through hole, and pad is fixed by screw and sleeve.
5, electric type initiative bump leveller according to claim 3, it is characterized in that: described guide mechanism comprises the axis of guide that has positioning shaft and flange, snap ring, linear bearing, the sleeve that has flange, the piston of pad and formation damper, the axis of guide is connected with vibration exciter by the flange of upper end, there is a positioning shaft that can be deep in the vibration exciter positioning hole axis of guide upper end, sleeve is fixedly connected by the flange and the shell of lower end, the axis of guide constitutes relative movement by linear bearing and sleeve, Spielpassung between the axis of guide and the linear bearing wherein, excessively cooperate between two linear bearings and the sleeve, open a groove in inboard, sleeve upper end, the standard snap ring of in this groove, packing into, the hole is opened in the sleeve lower end, pad covers on through hole, and pad is fixed by screw and sleeve.
6, electric type initiative bump leveller according to claim 4, it is characterized in that: be provided with damper in the described guide mechanism, damper adopts piston type, the piston that is equipped with circular hole and axis of guide lower end are by being threaded, piston and linear bearing, pad constitute an enclosed space, the damping oil of the certain viscosity of interior injection.
7, electric type initiative bump leveller according to claim 5, it is characterized in that: be provided with damper in the described guide mechanism, damper adopts piston type, the piston that is equipped with circular hole and axis of guide lower end are by being threaded, piston and linear bearing, pad constitute an enclosed space, the damping oil of the certain viscosity of interior injection.
CNB2008100640587A 2008-03-03 2008-03-03 Electric type initiative bump leveller Expired - Fee Related CN100554718C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2008100640587A CN100554718C (en) 2008-03-03 2008-03-03 Electric type initiative bump leveller

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Application Number Priority Date Filing Date Title
CNB2008100640587A CN100554718C (en) 2008-03-03 2008-03-03 Electric type initiative bump leveller

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CN100554718C true CN100554718C (en) 2009-10-28

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101363498B (en) * 2008-09-26 2010-09-29 哈尔滨工程大学 Portable mechanical frequency shift bump leveller
CN101666365B (en) * 2009-08-13 2011-03-16 哈尔滨工程大学 Wide frequency inertia type active vibration absorber
CN108006358A (en) * 2017-12-21 2018-05-08 中国船舶重工集团公司第七〇九研究所 A kind of vibration isolation of pipeline device
CN112065919B (en) * 2020-09-09 2021-07-09 海南大学 Friction energy recovery vibration absorber with inner and outer double-layer vibration absorbing structure

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
几种典型的主动控制动力吸振器. 赵国迁.交通科技与经济,第5期. 2006
几种典型的主动控制动力吸振器. 赵国迁.交通科技与经济,第5期. 2006 *
电动式主动吸振技术研究. 张洪田等.振动工程学报,第14卷第1期. 2001
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Granted publication date: 20091028

Termination date: 20120303