CN109853765A - It is used to hold damper using the self-balancing type of positive and negative tooth screw rod - Google Patents
It is used to hold damper using the self-balancing type of positive and negative tooth screw rod Download PDFInfo
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- CN109853765A CN109853765A CN201910091348.9A CN201910091348A CN109853765A CN 109853765 A CN109853765 A CN 109853765A CN 201910091348 A CN201910091348 A CN 201910091348A CN 109853765 A CN109853765 A CN 109853765A
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- 238000013016 damping Methods 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 18
- 241000239290 Araneae Species 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
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- 230000003321 amplification Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
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- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 2
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Abstract
The invention belongs to engineering structure energy-dissipating and shock-absorbing technical field, provide that a kind of self-balancing type using positive and negative tooth screw rod is used to hold damper, including positive and negative tooth screw rod, magnet disk, conductor disc, permanent magnet, double end flange cylinder, feed screw nut etc..It is respectively arranged with orthodontic thread segment and anti-pitch thread section at left and right sides of positive and negative tooth screw rod, puts on a feed screw nut respectively, and connect with the bearing of hold-down support.Magnet disk is arranged in pairs with conductor disc, magnet disk is equipped with permanent magnet, the two is fixedly connected by double end flange cylinder with feed screw nut, and it is not contacted with positive and negative tooth screw rod, positive and negative tooth screw rod on axis back and forth make magnet disk and conductor disc always happens relative rotation, generate eddy current effect, it can be achieved that structure shockproof control.Inertia synergy, damping synergy purpose can reach using positive and negative tooth screw rod transmission, while realizing the self-balancing performance of screw rod, the installation requirement to damper both ends can be loosened, also can be applied to simple tension system, there is good engineering value.
Description
Technical field
Engineering structure energy-dissipating and shock-absorbing technical field of the present invention is related to a kind of used appearance resistance of the self-balancing type using positive and negative tooth screw rod
Buddhist nun's device.
Background technique
Engineering structure energy-dissipating and shock-absorbing technology is that energy-eliminating shock-absorbing device is added in structure, by the consumption for adding vibration absorber
The dynamic response that can act on reducing structure itself, ensure that the functions such as safety, comfort and the normal usage of structure
It is required that.
Currently, gradually being applied using the damper of eddy current effect in the passive vibration control field of civil engineering structure.
The generation of eddy-current damping must have conductor plate and make cutting magnetic induction line movement, i.e., there is opposite fortune between magnetic field sources and conductor plate
Dynamic, the electromagnetic force size of generation is directly proportional to speed of related movement size, therefore the enlarge-effect for improving relative velocity is always this
The design key of class damper.In traditional eddy current damper board-like and pendulum-type all directly by relative storey displacement be converted into conductor plate and
Linear relative movement between permanent magnet, provided speed enlarge-effect are limited.And by transform linear motion at rotary motion
Rotary electric eddy current retarder certain amplification coefficient can be provided, worm drive due to it possesses preferably will linear motion
It is converted into the enlarge-effect of rotation, such damper is also referred to as used to hold damper.
The used damper that holds mainly utilizes rack-and-pinion or screw thread silk as new and effective structure passive vibration control means
The relative storey displacement of structure is converted to the rotation of flywheel by the modes such as bar, to realize inertia synergy and damping synergy.Common design
It is one flywheel of setting on screw rod, torque is generated to screw rod during flywheel turns, needs to fix lead screw on the support, and
And to guarantee that the used displacement for holding damper both ends occurs over just on axis, this is very high to the used requirement for holding damper both ends support.
In recent years, concern in the industry is received for the quick earthquake rehabilitation strategies of structure, is matched using center energy dissipation component
Closing the next anti-seismic performance for quickly improving structure of simple tension system becomes a kind of preferable method.Simple tension system have installation and
Debugging convenience, low cost, stress be clear, automatic the features such as resetting the heart.Center energy dissipation component simple tension system is a kind of preferable
The damper mounting means for meeting quick seismic hardening demand, if used appearance damper can introduce to the system used will more
The used performance easy to install for holding damper is played well, but is turned since drag-line can only provide pulling force and can not limit to center energy dissipation component
It is dynamic, therefore, the performance requirements such as lightness, self-balancing are proposed to used appearance damper.
Summary of the invention
It is an object of the present invention to overcome the deficiencies of the prior art and provide a kind of self-balancing type using positive and negative tooth screw rod
It is used to hold damper, the rotation that the horizontal displacement of structure is converted into damper internal structure is transported using the connection relationship between component
It is dynamic, so that displacement structure be amplified, achieve the purpose that inertia synergy, damping synergy；Make to hinder by positive and negative tooth screw rod simultaneously
Conductor disc, magnet disk in Buddhist nun's device rotate around axis in the opposite direction always, and eddy-current damping power is with equivalent opposite direction work
With on screw rod, the torque on pivoting direction offsets each other, and so that positive and negative tooth screw rod is remained self-balancing performance, and can be real
The purpose of existing eddy-current damping power multiplication, while loosening the installation requirement at damper both ends, it can be applied in simple tension system.
To realize above-mentioned target, the present invention provides the following technical scheme that
A kind of self-balancing type using positive and negative tooth screw rod is used to hold damper, including positive and negative tooth screw rod, magnet disk, conductor disc,
Permanent magnet, double end flange cylinder, feed screw nut, bearing spider.
Positive and negative tooth screw rod wherein point at left and right sides of be respectively arranged with different directions orthodontic thread segment and anti-pitch thread section,
Orthodontic thread segment and anti-pitch thread section are respectively connected by meshing transmission a feed screw nut；Two double end flange cylinders are each by one
Feed screw nut is overhang respectively on the orthodontic thread segment and anti-pitch thread section of positive and negative tooth screw rod, and is not contacted with positive and negative tooth screw rod；
The orthodontic thread segment of positive and negative tooth screw rod and the screw rod diameter of anti-pitch thread section are consistent with lead of screw thread.
Feed screw nut respectively connect with a bearing spider, hold-down support of the bearing spider as entire used appearance damper,
And secure the relative distance between magnet disk and conductor disc.
Magnet disk is arranged in pairs with conductor disc, while magnet disk and conductor disc pass through double end flange cylinder respectively and be connected to lead screw
On nut, and magnet disk and conductor disc can follow two feed screw nuts to rotate and be translatable respectively, rotation speed by
The screw rod diameter and lead of screw thread of positive and negative tooth screw rod control；Magnet disk on its face opposite with conductor disc it is uniformly distributed have it is several
Permanent magnet, so that magnet disk is equal with the rotary inertia of conductor disc, positive and negative tooth screw rod is in always in the damper course of work
Self-balancing state.
In the present invention, positive and negative tooth screw rod passes through magnet disk, conductor disc, double end flange cylinder, feed screw nut, bearing spider,
And it is located on their center of rotation axis.
Bearing spider is fixed on the support by the used damper that holds of self-balancing type, there are gap in magnet disk and conductor disc,
The distance of magnet disk and conductor disc can also be adjusted, achieve the purpose that adjust eddy-current damping power.
Further, the left and right ends portion of positive and negative tooth screw rod is reserved with unthreaded portion, to become in connection structure
The position of shape.
Further, the unthreaded portion in the left and right ends portion of positive and negative tooth screw rod, is designed as semicircle of the both ends with central through hole
The flat position of shape, in a manner of adapting to clamp or left and right ends are arranged symmetrically cable wire connection.
Further, conductor disc, magnet disk are the identical circular discs of size.
Further, the material that conductor disc should be good using conductive effect, can be used the materials such as electrician's red copper.
Further, magnet disk should use excellent permeability magnetic material, and the materials such as soft iron or mild steel can be used.
Further, permanent magnet should be able to keep its magnetism for a long time, the materials such as neodymium iron boron can be used.
Further, the other similar screw drive mode such as trapezoidal screw, ball-screw can be used in lead screw.
The fixed scheme of permanent magnet are as follows: be along the circumferential direction mounted on cylindricity permanent magnet in magnet disk, adjacent permanent magnetism
Body is evenly arranged in magnet disk using the opposite mounting means of magnetic pole, and the shortest purpose of magnetic circuit may be implemented.
In the present invention, by bearing spider by the used damper that holds of self-balancing type it is fixed on the support, lead screw both ends with
Be fixedly connected or cable wire by way of and structure in occur relative deformation position connect, when malformation forces positive and negative tooth silk
Thick stick moves axially in reciprocal fashion.Lead screw keeps the state of self-balancing not rotate, and the nut engaged with screw rod will rotate, because
Nut is connect with orthodontic thread segment and anti-pitch thread section respectively, and finally opposite turn occurs for the conductor disc on nut and magnet disk
It is dynamic.Permanent magnet is installed in magnet disk, forms magnetic field, the relative rotation of the two makes the magnetic line of force in conductor disc cutting magnet disk,
Current vortex is generated inside conductor disc, while generating the damping force for hindering the two relative motion, is finally reached structure energy-dissipating and shock-absorbing
Effect.
Innovation of the invention is embodied in:
(1) the double end flange cylinder that magnet disk, conductor disc pass through that two cantilever out respectively is mounted on two feed screw nuts,
Double end flange cylinder is not contacted with positive and negative tooth screw rod, and can make magnet disk, conductor disc that feed screw nut be followed to rotate and be translatable；Simultaneously
Conductor disc, magnet disk are connected using the double end flange cylinder of overhanging to provide impulse stroke, the overall length of positive and negative tooth screw rod is designed as
Twice of impulse stroke.
(2) design of the different positive and negative tooth screw rod in positive/negative thread direction, can obtain rotary compared to regular screw threads screw rod
Twice of eddy current damper of current vortex enlarge-effect, and so that conductor disc and magnet disk is played the used damper that holds jointly and imitate
It answers.
(3) self-regulation；The feed screw nut installed by magnet disk and conductor disc is respectively on contrary screw thread
Movement, so bearing spider ensure that it when magnet disk and conductor disc are moved along a straight line on axis toward when the movement of the same direction
Between linear distance it is constant, when they are toward equidirectional linear motion, two disks can be rotated with reversely rotated direction around axis,
Such reverse motions make the relative angular displacement for forming twice between two disks play a role for eddy current effect, at the same two disks it
Between electromagnetic force and electromagnetic force reaction force acted on positive and negative tooth screw rod with equivalent opposite direction, collective effect in the axial direction
The damping stress effect for forming twice offsets each other again on pivoting direction and maintains the balance of positive and negative tooth screw rod.
Compared with prior art, the present invention have the following advantages that with the utility model has the advantages that
1. the present invention includes positive and negative tooth screw rod, magnet disk, conductor disc, permanent magnet, double end flange cylinder, feed screw nut, bearing
Support, two sections of positive and negative tooth screw rod or so be respectively arranged with different directions orthodontic thread segment and anti-pitch thread section, the magnet of connection
Disk and conductor disc always happen relatives rotation, eliminate tradition and are used to demand in appearance system to stator.
2. magnet disk is arranged in pairs with conductor disc, by keeping magnet disk consistent with the rotary inertia of conductor disc, can make
The resultant moment that positive and negative tooth screw rod is subject to is zero, and positive and negative tooth screw rod is in self-balancing state always in the damper course of work,
Without constraining the rotation direction of lead screw in the damper course of work, the used damper that holds of the balanced type can be applied
It in the system of simple tension, and is installed using prestress wire, to the of less demanding of support, facilitates installation.
3. damping source of the invention simultaneously uses eddy-current damping, consume energy not against mechanical friction, also there is no close
Envelope problem, with structure without directly contacting, no mechanicalness friction and loss, durability is good, is convenient to process and mount.
4. magnet disk and conductor disc have double action, inertia synergy on the one hand can be realized by controlling rotary inertia, separately
On the one hand, by quantity and material and the magnet disk adjustable economize on electricity at a distance from conductor disc for the permanent magnet arranged in setting magnet disk
The size of eddy current damping power realizes freely adjusting to meet the needs of different engineering projects to damping.
5. the design of the orthodontic thread segment of positive and negative tooth screw rod and anti-pitch thread section can be obtained and be revolved compared to regular screw threads screw rod
The rotatable used current vortex enlarge-effect for holding twice of damper.
6. the present invention is suitable for center energy dissipation component simple tension system, knot is transmitted with the mode that cable wire connects in the structure
The relative displacement of structure part holds damper to used, has the advantages that installation is quick, debugging is convenient, low cost and stress are clear, and
Can be by the tensioning state rapid evaluation damper working condition of drag-line after shake, and whether associated components are needed to change, it greatly improves
The durability and engineering practicability of damper has good application value.
Detailed description of the invention
Fig. 1 is that the used axis for holding damper of the self-balancing type provided in an embodiment of the present invention using positive and negative tooth screw rod surveys decomposition
Figure；
Fig. 2 is the axonometric drawing of positive and negative tooth screw rod provided in an embodiment of the present invention；
Fig. 3 is the axonometric drawing of feed screw nut provided in an embodiment of the present invention；
Fig. 4 is the axonometric drawing of double end flange cylinder provided in an embodiment of the present invention；
Fig. 5 is the axonometric drawing of conductor disc provided in an embodiment of the present invention；
Fig. 6 is the axonometric drawing of magnet disk provided in an embodiment of the present invention；
Fig. 7 is the used front view for holding damper provided in an embodiment of the present invention.
Description of symbols
The positive and negative tooth screw rod of 1-, 2- magnet disk, the first screw rod of 21- through hole, 22- first flange bolt hole, 3- conductor disc,
The second screw rod of 31- through hole, 32- second flange bolt hole, 4- permanent magnet, 5- double end flange cylinder, 51- third screw rod through hole,
52- third flange bolt hole, 6- feed screw nut, the 4th screw rod through hole of 61-, the 4th flange bolt hole of 62-, 7- bearing spider.
Specific embodiment
Technical solution provided by the invention is described further below in conjunction with specific embodiment and its attached drawing.In conjunction under
Face explanation, advantages and features of the invention will be apparent from.
As shown in Figures 1 to 7, a kind of self-balancing type using positive and negative tooth screw rod is used holds damper, including positive and negative tooth screw rod
1, magnet disk 2, conductor disc 3, permanent magnet 4, double end flange cylinder 5, feed screw nut 6, bearing spider 7.
Wherein, positive and negative tooth screw rod 1 is threaded screw rod, is divided into two in midpoint, positive and negative tooth screw rod 1 is at left and right sides of midpoint
It is respectively arranged with the screw thread of different directions, left side is positive pitch thread, and right side is anti-pitch thread；Positive and negative tooth screw rod 1 is in its orthodontic spiral shell
Line section and anti-pitch thread section install a feed screw nut 6 respectively；Magnet disk 2, conductor disc 3 are each by a double end flange cylinder 5
It is respectively supported on the feed screw nut 6 of orthodontic thread segment and the feed screw nut 6 of anti-pitch thread section.
In general, unidirectional threaded screw rod has the advantages that screw rod frictional resistance is small, lead is small, although bigger amplification can be obtained
Coefficient, but since two feed screw nuts 6 in the present invention must work on two sections of different screw threads, it is therefore necessary to use overhanging
Double end flange cylinder 5 connect conductor disc 3 and magnet disk 2 to provide impulse stroke, therefore and the overall length of screw rod must be designed to
Twice of impulse stroke is suitable for using positive and negative tooth screw rod 1.
Further, unthreaded portion should be reserved in the left and right ends portion of positive and negative tooth screw rod 1, to connect with structure；Excellent
In the embodiment of choosing, the unthreaded portion that the left and right ends portion of positive and negative tooth screw rod 1 is reserved be can be designed as with central through hole
Semicircle flat position, connects two kinds of structural unions to adapt to clamp with cable wire.
Further, in a preferred embodiment, when lead angle is too small, friction caused by positive and negative tooth screw rod 1 is larger, makes
Overdamping state is in free vibration at structure, in order to preferably play eddy current effect and the used effect of holding of damper
Main energy dissipating effect, the positive and negative design of tooth screw rod 1 should select as far as possible large pitch screw rod under conditions of meeting enough amplification coefficients.
Further, conductor disc 3, magnet disk 2 are the identical circular discs of size, and magnet disk 2 is in the face opposite with conductor disc 3
On be evenly arranged with several permanent magnets 4.
Further, magnet disk 2 can use Q235 iron pan, and one side iron pan can easily be fixed by way of magnetic
Permanent magnet 4, while iron pan can also play the effect of magnetizer as magnetic conductive material, increase the magnetic induction intensity of permanent magnet 4.
Further, conductor disc 3 is permanent magnetism body disc, and material is the preferable copper of conductive effect or aluminium.
Further, in a preferred embodiment, permanent magnet 4 selects magnetic strongest neodymium iron boron material, permanent magnet magnetism
Stronger, eddy-current damping is bigger.
Further, it in order to meet the used self-regulation for holding damper of this self-balancing type, is uniformly carried in magnet disk 2 corresponding
The permanent magnet 4 of quantity, so that the rotary inertia of conductor disc 3, magnet disk 2 is equal.Under conditions of 4 quantity of permanent magnet is constant,
The setting position of permanent magnet 4 can appropriate adjustment, but all permanent magnets 4 answer it is uniformly distributed.
The used damper that holds of self-balancing type provided by the invention is inputted without extra power, 4 quantity of permanent magnet and magnetic field strength
Linear correlation, under equal conditions, the more strong then damping force in magnetic field is bigger, therefore 4 specific location of permanent magnet can be adjusted according to required
It is whole.
In the present invention, conductor disc 3, magnet disk 2 outside one double end flange cylinder 5, two double end flange cylinders 5 are respectively installed
Each by feed screw nut 6 overhanging on positive and negative tooth screw rod 1, and do not contacted with positive and negative tooth screw rod 1.
Further, the outside of two feed screw nuts 6 is equipped with bearing spider 7, as the entire used fixed branch for holding damper
Seat, and the linear relative movement between conductor disc 3 and magnet disk 2 can be limited.
Specifically, offering the first screw rod through hole 21 at the center of magnet disk 2, opened around the first screw rod through hole 21
Equipped with several first flange bolts hole 22；The second screw rod through hole 31 is offered at the center of conductor disc 3, is penetrated through in the second screw rod
Several second flange bolts hole 32 are offered around hole 32；Third screw rod through hole 51 is offered at the center of double end flange cylinder 5,
Several third flange bolt holes 52 are offered in the both ends of the surface of double end flange cylinder 5；The 4th is offered at the center of feed screw nut 6
Screw rod through hole 61 offers the 4th flange bolt hole 62 on the end face of feed screw nut 6；Is offered on bearing spider 7
Five screw rod through holes.Wherein, magnet disk 2, conductor disc 3, double end flange cylinder 5, feed screw nut 6, bearing spider 7 through hole hole
Position corresponding, the bolt hole of 5 one end face of double end flange cylinder and the hole location of the bolt hole of magnet disk 2, conductor disc 3 and size phase
Match, the bolt hole of 5 other end of double end flange cylinder matches with the hole location and size of the bolt hole of feed screw nut 6.
Further, 6, bearing spiders 7 of the double end flange cylinder 5, one of magnet disk 2, one feed screw nut pass sequentially through respectively
From the first screw rod through hole 21, third screw rod through hole 51, the 4th screw rod through hole 61, the 5th screw rod through hole be set in just
On the orthodontic thread segment of anti-tooth screw rod 1, and the feed screw nut 6 engages connection with the orthodontic thread segment of positive and negative tooth screw rod 1, simultaneously
One end face of magnet disk 2 and the double end flange cylinder 5 passes through respective first flange bolt hole 22, third flange bolt hole respectively
52 are connected by screw bolts, and the end face of the other end of the double end flange cylinder 5 and the feed screw nut 6 pass through respective the respectively
Three flange bolt holes 52, the 4th flange bolt hole 62 are connected by screw bolts, and the feed screw nut 6 is rotatably installed on institute simultaneously
State bearing spider 7；Conductor disc 3, another double end flange cylinder 5, another feed screw nut 6, another bearing spider 7 pass sequentially through
Respective first screw rod through hole 21, third screw rod through hole 51, the 4th screw rod through hole 61, the 5th screw rod through hole are set in
In the anti-pitch thread section of positive and negative tooth screw rod 1, and the feed screw nut 6 engages connection with the anti-pitch thread section of positive and negative tooth screw rod 1, together
When conductor disc and an end face of the double end flange cylinder 5 pass through respective first flange bolt hole 22, third flange bolt respectively
Hole 52 is connected by screw bolts, and the end face of the other end of the double end flange cylinder 5 and the feed screw nut 6 pass through respective respectively
Third flange bolt hole 52, the 4th flange bolt hole 62 are connected by screw bolts, and the feed screw nut 6 is rotatably fixed on simultaneously
The bearing spider 7；As a result, two double end flange cylinders 5 each by feed screw nut 6 overhanging on positive and negative tooth screw rod 1, and
Magnet disk 2 and conductor disc 3 are overhang respectively and are mounted on two feed screw nuts 6, enable magnet disk 2 and conductor disc 3 respectively with
With two rotations of feed screw nut 6 and translation.
Current vortex is used to during container work, in order to make between conductor disc 3 and magnet disk 2 air gap smaller to play current vortex
Effect, will lead between two feed screw nuts 6 being connected directly with conductor disc 3 and magnet disk 2 that distance is too small, cannot give full play to row
Journey.Therefore, the present invention devises hanging double end flange cylinder 5 and is separately connected magnet disk 2, conductor disc 3, and by magnet disk 2 and leads
Body disc 3 overhangs feed screw nut 6 out, and to meet, spacing keeps roughly the same with stroke between feed screw nut 6 in the course of work.
Self-balancing provided by the invention using positive and negative tooth screw rod is used to hold damper at work, the fixed installation of damper
More flexibly, it can be connect by drag-line or fixture with sound construction.When structure is vibrated, by by the horizontal displacement of structure
Switch to positive and negative tooth screw rod movement, and then switchs to magnet disk 2,3 angular displacement of conductor disc, and magnet is made by the screw thread of positive and negative tooth screw rod
Angular displacement is carried out the amplification of twice of effect by disk 2, the rotation of 3 opposite direction of conductor disc.Structure is installing use provided by the invention
The consumption source of energy is mainly derived from after the used appearance damper of the self-balancing of positive and negative tooth screw rod, structure inherent damping, positive and negative tooth silk
The rubbing action of bar and other component, the used used appearance effect for holding damper of the self-balancing provided by the invention using positive and negative tooth screw rod
And eddy current effect.When this uses the self-balancing of positive and negative tooth screw rod is used to hold damper performance effect, conductor disc 3 is in 4 shape of permanent magnet
At magnetic field in rotate, cutting magnetic induction line produces into the current vortex for inhibiting structural vibration in the conductor disc 3, forms damper
Damping needed for energy consumption, the velocity of rotation of damping force and conductor disc 3 is linear, and of the present invention using positive and negative tooth silk
The used damper that holds of the self-balancing of bar is since conductor disc 3,2 Double-directional rotary of magnet disk can amplify damping.
Foregoing description is only the description to present pre-ferred embodiments, is not any restriction to the scope of the invention.Appoint
Any change or modification what those skilled in the art makes according to the technology contents of the disclosure above should all regard
For equivalent effective embodiment, the range of technical solution of the present invention protection is belonged to.
Claims (9)
1. a kind of self-balancing type using positive and negative tooth screw rod is used to hold damper, it is characterised in that: including positive and negative tooth screw rod (1), magnetic
Body disc (2), conductor disc (3), permanent magnet (4), double end flange cylinder (5), feed screw nut (6), bearing spider (7)；
The positive and negative tooth screw rod (1) is respectively arranged with the orthodontic thread segment and anti-pitch thread of different directions at left and right sides of wherein point
Section, a double end flange cylinder (5) is respectively installed in the outside of the magnet disk (2) and conductor disc (3), and two double end flange cylinders (5) are each
Overhang respectively from by a feed screw nut (6) on the orthodontic thread segment and anti-pitch thread section of positive and negative tooth screw rod (1), and not with
Positive and negative tooth screw rod (1) contact；Meanwhile two feed screw nuts (6) engage biography with the orthodontic thread segment and anti-pitch thread section respectively
Dynamic connection；The magnet disk (2) and conductor disc (3) are overhang respectively on two feed screw nuts (6), and magnet disk (2) and conductor
Disk (3) can follow two feed screw nuts (6) to rotate and be translatable respectively；
The magnet disk (2) and conductor disc (3) be oppositely arranged on positive and negative tooth screw rod (1) orthodontic thread segment and anti-pitch thread section,
And magnet disk (2) is uniformly distributed on its face opposite with conductor disc (3) several permanent magnets (4) so that magnet disk (2) with lead
The rotary inertia of body disc (3) is equal；
Two feed screw nuts (6) respectively connect with a bearing spider (7), and bearing spider (7) is as entire used appearance damper
Hold-down support, and keep magnet disk (2) between conductor disc (3) at a distance from fixation；
The positive and negative tooth screw rod (1) passes through magnet disk (2), conductor disc (3), double end flange cylinder (5), feed screw nut (6), bearing branch
Seat (7), and be located on their center of rotation axis.
2. the self-balancing type according to claim 1 using positive and negative tooth screw rod is used to hold damper, it is characterised in that: it is described just
The orthodontic thread segment of anti-tooth screw rod (1) is consistent with the screw rod diameter of anti-pitch thread section and lead of screw thread.
3. the self-balancing type according to claim 1 using positive and negative tooth screw rod is used to hold damper, it is characterised in that: the magnetic
Body disc (2) and conductor disc (3) are alternatively arranged as inertance element efficiency improving mechanism, by the rotation for adjusting magnet disk (2) and conductor disc (3)
Inertia determines, depending on should specifically being needed according to actual design.
4. the self-balancing type according to claim 3 using positive and negative tooth screw rod is used to hold damper, it is characterised in that: the magnetic
Body disc (2) rotates with conductor disc (3), screw rod diameter and lead of screw thread control of the speed of rotation by positive and negative tooth screw rod (1)
System.
5. the self-balancing type according to claim 1 using positive and negative tooth screw rod is used to hold damper, it is characterised in that: the axis
Hold support (7) the used damper that holds of self-balancing type is fixed on the support, the left and right ends portion of positive and negative tooth screw rod (1) is reserved with nothing
Threaded portion, to the position to deform in connection structure.
6. the self-balancing type according to claim 5 using positive and negative tooth screw rod is used to hold damper, it is characterised in that: it is described just
The unthreaded portion in the left and right ends portion of anti-tooth screw rod (1) is designed as the flat position of semicircle with central through hole, to adapt to cable wire company
The mode connect, left and right ends are arranged symmetrically cable wire.
7. the self-balancing type according to claim 1 using positive and negative tooth screw rod is used to hold damper, it is characterised in that: the magnetic
The quantity and material for the permanent magnet (4) arranged on body disc (2) can according to Practical Project to energy consumption it needs to be determined that.
8. the self-balancing type according to claim 1 using positive and negative tooth screw rod is used to hold damper, it is characterised in that: the magnetic
The distance of body disc (2) and conductor disc (3) is adjusted by bearing spider (7), achievees the purpose that adjust eddy-current damping.
9. the self-balancing type according to claim 1 using positive and negative tooth screw rod is used to hold damper, it is characterised in that: described to lead
Body disc (3) cuts the magnetic line of force on magnet disk (2), and the material of the conductor disc (3) uses the preferable copper of conductive effect or aluminium.
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| CN110441136A (en) * | 2019-09-25 | 2019-11-12 | 吉林大学 | Stretching based on positive and negative pitch thread structure-torsion composite fixture |
| CN110528947A (en) * | 2019-07-23 | 2019-12-03 | 同济大学 | Inner/outer tube self-balancing type is used to hold damper |
| CN111335495A (en) * | 2020-03-12 | 2020-06-26 | 广州大学 | Shock insulation damper |
| CN112459587A (en) * | 2020-11-30 | 2021-03-09 | 同济大学 | Unilateral-tensioning prestress self-balancing inertial volume damper |
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| CN209874124U (en) * | 2019-01-30 | 2019-12-31 | 同济大学 | Self-balancing inertial volume damper adopting positive and negative teeth lead screw |
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| JP2013152011A (en) * | 2011-12-28 | 2013-08-08 | Shimizu Corp | Rotating inertia mass damper, brace damper and brace frame |
| CN109163047A (en) * | 2018-10-25 | 2019-01-08 | 华北水利水电大学 | A kind of non-linear current vortex is used to matter damper and design method |
| CN209874124U (en) * | 2019-01-30 | 2019-12-31 | 同济大学 | Self-balancing inertial volume damper adopting positive and negative teeth lead screw |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110528947A (en) * | 2019-07-23 | 2019-12-03 | 同济大学 | Inner/outer tube self-balancing type is used to hold damper |
| CN110441136A (en) * | 2019-09-25 | 2019-11-12 | 吉林大学 | Stretching based on positive and negative pitch thread structure-torsion composite fixture |
| CN110441136B (en) * | 2019-09-25 | 2024-03-12 | 吉林大学 | Stretching-twisting composite clamp based on positive and negative thread structure |
| CN111335495A (en) * | 2020-03-12 | 2020-06-26 | 广州大学 | Shock insulation damper |
| CN111335495B (en) * | 2020-03-12 | 2021-12-21 | 广州大学 | Shock insulation damper |
| CN112459587A (en) * | 2020-11-30 | 2021-03-09 | 同济大学 | Unilateral-tensioning prestress self-balancing inertial volume damper |
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| CN109853765B (en) | 2023-11-03 |
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