CN109911409A - The adjustable antitorque shock mount of the natural frequency of vibration - Google Patents
The adjustable antitorque shock mount of the natural frequency of vibration Download PDFInfo
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- CN109911409A CN109911409A CN201910279758.6A CN201910279758A CN109911409A CN 109911409 A CN109911409 A CN 109911409A CN 201910279758 A CN201910279758 A CN 201910279758A CN 109911409 A CN109911409 A CN 109911409A
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- sliding slot
- vibration
- damping block
- antitorque
- adjustable
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Abstract
The adjustable antitorque shock mount of the natural frequency of vibration of the present invention includes top plate, sliding slot and flexible two groups of damping blocks, first pivoting portion has been formed down in the middle part of top plate, sliding slot is oppositely arranged with top plate, second pivoting portion has been upwardly formed in the middle part of sliding slot, first pivoting portion is articulated in second pivoting portion by drive-connecting shaft, damping block is flexibly supported and is slidedly arranged between top plate and sliding slot, and two groups of damping blocks are located at the two sides of drive-connecting shaft.Damping block not only acts as the effect of vertical damping, and damping block cooperation drive-connecting shaft also acts the effect of torsion buffering, greatly improves damping performance；Damping block is slidedly arranged in sliding slot, by adjusting position of the damping block in sliding slot, changes the distance between damping block and drive-connecting shaft, and then change the rotational stiffness of shock mount.Therefore, the present invention not only can significantly promote damping effect, but also can be according to the actual conditions adjustment rotational stiffness and damping performance of transport material.
Description
Technical field
The present invention relates to transporting equipment fields, and in particular to a kind of adjustable antitorque shock mount of the natural frequency of vibration.
Background technique
In transport plate body, for example in prestressing force T plate transportational process, general T plate is held on two blocks of sleepers, thus
T plate is four point bearings, since vehicle jolts and T plate stress at 4 points, makes T plate by torsion, so as to cause the edge of a wing
Crack occurs with girt strip intersection, this phenomenon is particularly acute when flange plate is relatively thin, span is larger.
Therefore, it is necessary to provide a kind of scheme, solve in existing plate body transportation technology because vehicle jolts cause plate body by
The technical issues of damage.
Summary of the invention
In order to solve the technical problem for causing plate body impaired because vehicle jolts in existing plate body transportation technology, the present invention is mentioned
A kind of adjustable antitorque shock mount of the natural frequency of vibration is supplied.
The adjustable antitorque shock mount of the natural frequency of vibration provided by the invention, including top plate, sliding slot and two groups flexible
Damping block has been formed down first pivoting portion in the middle part of the top plate, and the sliding slot is oppositely arranged with the top plate, the sliding slot
Middle part be upwardly formed second pivoting portion, the first pivoting portion is articulated in the second pivoting portion by drive-connecting shaft, described
Damping block is flexibly supported and is slidedly arranged between the top plate and the sliding slot, and damping block described in two groups is located at the drive-connecting shaft
Two sides.
The problems such as present invention is used for transport sheet material (such as T plate) material, and plate is impaired caused by avoiding transport from jolting.
Damping block not only acts as the effect of vertical damping, and damping block cooperation drive-connecting shaft also acts the effect of torsion buffering, is substantially improved
Damping performance；Damping block is slidedly arranged in sliding slot, by adjusting position of the damping block in sliding slot, changes damping block and drive-connecting shaft
The distance between, and then the rotational stiffness of shock mount is changed, change the natural vibration period of entire vibrational system with this, has been allowed to
To better damping effect.Under normal circumstances, when the quality of contained T plate is larger, damping block need to be transferred to apart from drive-connecting shaft compared with
Remote position, to improve rotational stiffness, to prevent torsional amplitude excessive；When the quality of contained T plate is smaller, damping block is needed
It is transferred to apart from the closer position of drive-connecting shaft, to reduce rotational stiffness, to increase the natural vibration period of entire vibrational system, Jin Erti
High damping effect.Therefore, the present invention not only can significantly promote damping effect, but also can be according to the practical feelings of transport material
Condition adjusts rotational stiffness to realize better damping performance.
The adjustable antitorque shock mount of the natural frequency of vibration of the present invention further improvement lies in that, the matching of the width of the damping block
In the distance between two edges of a wing of the sliding slot, the drive-connecting shaft is perpendicular to two edges of a wing.
The adjustable antitorque shock mount of the natural frequency of vibration of the present invention further improvement lies in that, the first pivoting portion includes phase
Pair two the first otic placodes, first otic placode is formed with the first pivoted hole, and the second pivoting portion includes opposite two
Two otic placodes, second otic placode are formed with the second pivoted hole, and the drive-connecting shaft is arranged in first pivoted hole and described second
In pivoted hole.
The adjustable antitorque shock mount of the natural frequency of vibration of the present invention further improvement lies in that, the damping block include cushion block,
Gasket and groups of springs, the groups of springs are connected between the cushion block and the gasket, and the cushion block is set in the sliding slot, institute
Gasket is stated under the top plate.
The further improvement of the adjustable antitorque shock mount of the natural frequency of vibration of the present invention is that the cushion block is resisted against described
The edge of a wing of sliding slot.
The further improvement of the adjustable antitorque shock mount of the natural frequency of vibration of the present invention is that the top plate has been formed down
The baffle opposite with the edge of a wing.
The adjustable antitorque shock mount of the natural frequency of vibration of the present invention further improvement lies in that, the top surface of the top plate is equipped with rubber
Rubber mat.
The adjustable antitorque shock mount of the natural frequency of vibration of the present invention further improvement lies in that, further include for adjusting described subtract
The adjusting rod of block position is shaken, the adjusting rod is connected to the damping block.
The adjustable antitorque shock mount of the natural frequency of vibration of the present invention further improvement lies in that, the edge of a wing of the sliding slot is equipped with more
A first connecting hole, the damping block are formed with the second connecting hole, and the support further includes being used for while wearing to described first
Locating piece in connecting hole and second connecting hole.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the adjustable antitorque shock mount of the natural frequency of vibration of the embodiment of the present invention.
Fig. 2 is the assembly relation schematic diagram of Fig. 1 embodiment.
Fig. 3 is the schematic front view of Fig. 1 embodiment.
Fig. 4 is the schematic cross-sectional view in the direction B-B in Fig. 3 embodiment.
Fig. 5 is the schematic cross-sectional view in the direction C-C in Fig. 3 embodiment.
Fig. 6 is the schematic cross-sectional view in the direction E-E in Fig. 3 embodiment.
Fig. 7 is the schematic cross-sectional view in the direction F-F in Fig. 3 embodiment.
Fig. 8 is the use state diagram of the embodiment of the present invention.
Specific embodiment
In order to solve the technical problem for causing plate body impaired because vehicle jolts in existing plate body transportation technology, the present invention is mentioned
A kind of adjustable antitorque shock mount of the natural frequency of vibration is supplied.
Antitorque shock mount adjustable to the natural frequency of vibration of the present invention is made furtherly in the following with reference to the drawings and specific embodiments
It is bright.Those skilled in the art can other advantages and efficacy of the present invention can be easily understood by content disclosed by this specification.
In conjunction with shown in Fig. 1 to Fig. 8, the adjustable antitorque shock mount 1 of the natural frequency of vibration of the present invention includes top plate 10,20 and of sliding slot
Flexible two groups of damping blocks 40, the middle part of top plate 10 have been formed down first pivoting portion, and sliding slot 20 is opposite with top plate 10 to be set
It sets, the middle part of sliding slot 20 has been upwardly formed second pivoting portion, and first pivoting portion is articulated in second pivoting portion by drive-connecting shaft 30, subtracts
Shake block 40 is flexibly supported and is slidedly arranged between top plate 10 and sliding slot 20, and two groups of damping blocks 40 are located at the two sides of drive-connecting shaft 30.
The problems such as present invention is used for transport sheet material (such as T plate) material, and plate is impaired caused by avoiding transport from jolting.
Damping block 40 not only acts as the effect of vertical damping, and damping block 40 cooperates drive-connecting shaft 30 to also act the effect that torsion buffers, greatly
Width improves damping performance；Damping block 40 is slidedly arranged in sliding slot 20, by adjusting position of the damping block 40 in sliding slot 20, is changed
The distance between damping block 40 and drive-connecting shaft 30, and then the rotational stiffness of shock mount is changed, entire vibration system is changed with this
It is allowed to play better damping effect the natural vibration period of system.Under normal circumstances, when the quality of contained T plate is larger, damping block
40 need to be transferred to apart from 30 remote position of drive-connecting shaft, to improve rotational stiffness, to prevent torsional amplitude excessive；As contained double T
When the quality of plate is smaller, damping block 40 need to be transferred to apart from the closer position of drive-connecting shaft 30, to reduce rotational stiffness, to increase whole
The natural vibration period of a vibrational system, and then improve damping effect.Therefore, the present invention not only can significantly promote damping effect,
And it can be according to the actual conditions adjustment rotational stiffness and damping performance of transport material.
In transit, the position according to the actual conditions of transport material (such as T plate 2) adjustment damping block 40 in sliding slot 20
It sets；Transport material is placed in the two sides on top plate 10 and being located at drive-connecting shaft 30, makes uniform force；In the present embodiment, damping block
40 by itself stiction sliding slot 20 between can holding position it is relatively fixed, guarantee to will not during transportation oneself
Dynamic sliding；When needing that 40 position of damping block is adjusted, it is mobile that operator pulls damping block 40.
Further, the width of damping block 40 is matched with the distance between two edges of a wing of sliding slot 20, and drive-connecting shaft 30 is vertical
In two edges of a wing.
In the present embodiment, damping block 40 is moved along sliding slot 20, can be adjusted between damping block 40 and drive-connecting shaft 30
Distance.
Further, first pivoting portion includes two opposite the first otic placodes 11, and the first otic placode 11 is formed with the first pivot joint
Hole 111, second pivoting portion include two opposite the second otic placodes 21, and the second otic placode 21 is formed with the second pivoted hole 211, drive-connecting shaft
30 are arranged in the first pivoted hole 111 and the second pivoted hole 211.
In the present embodiment, by setting first pivoting portion and second pivoting portion, increase between top plate 10 and sliding slot 20
Height distance, for accommodating two damping blocks 40.In other embodiments, the quantity of damping block 40 can be multiple, as long as pivot joint
The two sides of axis 30 are provided with damping block 40.
As shown in connection with fig. 2, further, damping block 40 includes cushion block 41, gasket 43 and groups of springs 42, and groups of springs 42 connects
Between cushion block 41 and gasket 43, cushion block 41 is set in sliding slot 20, and gasket 43 is set under top plate 10.
In the present embodiment, cushion block 41 has certain height, increases the height of groups of springs 42, improves stability；It is logical
Setting gasket 43 is crossed, convenient for the opposite sliding between damping block 40 and top plate 10.
Further, cushion block 41 is resisted against the edge of a wing of sliding slot 20.
In the present embodiment, cushion block 41 is resisted against the edge of a wing of sliding slot 20, it is possible to increase the contact between damping block 40 and sliding slot 20
Area, and then increase stiction.
Specifically, the bottom of the cushion block 41 in the present embodiment is formed with the first connecting plate, and the first connecting plate is equipped with riser,
The second connecting plate is connected at the top of riser, the second connecting plate is connected to the first end of groups of springs 42, and the second end of groups of springs 42 connects
It is connected to gasket 43.First connecting plate is slidedly arranged in sliding slot 20, and the top on the edge of a wing of sliding slot 20, which is also formed with, prevents the first connecting plate
It is detached from the rib of sliding slot 20；Riser increases the height of cushion block 41, and then increases the height of groups of springs 42.
In conjunction with shown in Fig. 2 and Fig. 7, further, top plate 10 is formed down the baffle 12 opposite with the edge of a wing.
In the present embodiment, vertical baffle 12 and horizontal top plate 10 form accommodation groove, for accommodating damping block 40, together
When be also used as the sliding rail of damping block 40, define the glide direction of damping block 40, damping block 40 prevented to be detached from top plate 10.
Further, the top surface of top plate 10 is equipped with rubber pad 60.
Rubber pad 60 in the present embodiment increases the frictional force of transport material and support, and transport material is avoided to be detached from branch
Seat.
It further, further include adjusting rod for adjusting 40 position of damping block, adjusting rod is connected to damping block 40.
In another embodiment, a distance is equipped between baffle 12 and the edge of a wing, adjusting rod is connected to damping block 40 and wears
Out between baffle 12 and the edge of a wing, user can pass through mobile 40 position of damping block of push-and-pull adjusting rod.
In another embodiment, further, the edge of a wing of sliding slot 20 is equipped with multiple first connecting holes, and damping block 40 is formed with
Second connecting hole, support further include for and meanwhile the locating piece that wears into the first connecting hole and the second connecting hole.
In another embodiment, multiple first connecting holes are uniformly distributed on the edge of a wing, and locating piece is bolt assembly, damping block
40 are fixedly connected on sliding slot 20 by screw bolt and nut.When needing mobile damping block 40, nut is backed out, bolt is removed, moved
Dynamic damping block 40 will install bolt, nut afterwards in place.
Present invention is particularly suitable for prestressing force T plate 2, since vehicle jolts and the stress at 4 points of T plate 2, make T plate
2 occur crack by torsion, so as to cause the edge of a wing and girt strip intersection, and this phenomenon is outstanding when flange plate is relatively thin, span is larger
It is serious.
The operation principle of the present invention is that:
2 one end of prestressing force T plate is held on hold-down support, and the other end is held on shock mount；Shock mount can be with
It is swung by a small margin around axis (drive-connecting shaft 30), in swing process, and will receive the constraint of spring；When vehicle jolts, hold-down support
It is matched with shock mount, plays and buffer function is reversed to prestressing force T plate 2；The rotational stiffness of shock mount be it is adjustable, can
According to
(kNm) it calculates, wherein k is side spring rate, and R is distance of the spring to axis, it can be seen that when adjusting bullet
Spring can increase or reduce the rotational stiffness of oscillating rod to the distance of axis；T plate 2 and shock mount constitute a vibration
System is only greater than 1.414 times of vehicle fundamental vibration periods when the natural vibration period of the vibration system, can just play relatively good subtract
Shake effect；The natural vibration period (or natural frequency of vibration) of the vibration system depends on component quality and oscillating rod rotational stiffness, component matter
Amount is bigger, and oscillating rod rigidity is smaller, then natural vibration period is bigger (natural frequency of vibration is smaller)；It can thus be selected according to the quality of component
The gear of suitable R is selected, so that the natural vibration period (or natural frequency of vibration) of the vibrational system is adjusted to suitable value.Work as component
When quality is smaller, R value need to be turned down；When component quality is larger, R value need to be tuned up.
The above is only presently preferred embodiments of the present invention, not do limitation in any form to the present invention, although this
Invention has been disclosed in a preferred embodiment above, and however, it is not intended to limit the invention, any person skilled in the art,
In the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to
With the equivalent embodiment of variation, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention to
Any simple modification, equivalent change and modification made by upper embodiment, all of which are still within the scope of the technical scheme of the invention.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the invention enforceable limit so that those skilled in the art understands and reads
Fixed condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, not
It influences still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach and obtain
In the range of capable of covering.
Claims (9)
1. a kind of adjustable antitorque shock mount of the natural frequency of vibration, it is characterised in that: including top plate, sliding slot and two groups flexible
Damping block has been formed down first pivoting portion in the middle part of the top plate, and the sliding slot is oppositely arranged with the top plate, the sliding slot
Middle part be upwardly formed second pivoting portion, the first pivoting portion is articulated in the second pivoting portion by drive-connecting shaft, described
Damping block is flexibly supported and is slidedly arranged between the top plate and the sliding slot, and damping block described in two groups is located at the drive-connecting shaft
Two sides.
2. the adjustable antitorque shock mount of the natural frequency of vibration as described in claim 1, it is characterised in that: the width of the damping block
The distance between two edges of a wing of the sliding slot are matched with, the drive-connecting shaft is perpendicular to two edges of a wing.
3. the adjustable antitorque shock mount of the natural frequency of vibration as described in claim 1, it is characterised in that: the first pivoting portion packet
Include two opposite the first otic placodes, first otic placode is formed with the first pivoted hole, and the second pivoting portion includes opposite two
A second otic placode, second otic placode are formed with the second pivoted hole, and the drive-connecting shaft is arranged in first pivoted hole and described
In second pivoted hole.
4. the adjustable antitorque shock mount of the natural frequency of vibration as described in claim 1, it is characterised in that: the damping block includes pad
Block, gasket and groups of springs, the groups of springs are connected between the cushion block and the gasket, and the cushion block is set to the sliding slot
Interior, the gasket is set under the top plate.
5. the adjustable antitorque shock mount of the natural frequency of vibration as claimed in claim 4, it is characterised in that: the cushion block is resisted against institute
State the edge of a wing of sliding slot.
6. the adjustable antitorque shock mount of the natural frequency of vibration as claimed in claim 5, it is characterised in that: the top plate is formed down
There is the baffle opposite with the edge of a wing.
7. the adjustable antitorque shock mount of the natural frequency of vibration as described in claim 1, it is characterised in that: the top surface of the top plate is set
There is rubber pad.
8. the adjustable antitorque shock mount of the natural frequency of vibration as described in claim 1, it is characterised in that: further include for adjusting
The adjusting rod of damping block position is stated, the adjusting rod is connected to the damping block.
9. the adjustable antitorque shock mount of the natural frequency of vibration as described in claim 1, it is characterised in that: the edge of a wing of the sliding slot is set
There are multiple first connecting holes, the damping block is formed with the second connecting hole, and the support further includes being used for while wearing to described
Locating piece in first connecting hole and second connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279758.6A CN109911409A (en) | 2019-04-09 | 2019-04-09 | The adjustable antitorque shock mount of the natural frequency of vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279758.6A CN109911409A (en) | 2019-04-09 | 2019-04-09 | The adjustable antitorque shock mount of the natural frequency of vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109911409A true CN109911409A (en) | 2019-06-21 |
Family
ID=66969015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910279758.6A Pending CN109911409A (en) | 2019-04-09 | 2019-04-09 | The adjustable antitorque shock mount of the natural frequency of vibration |
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| Country | Link |
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| CN (1) | CN109911409A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921112A (en) * | 2019-12-12 | 2020-03-27 | 武汉军青箱包有限公司 | Special transport case of precious vase |
| CN111654993A (en) * | 2020-05-22 | 2020-09-11 | 中国航空工业集团公司西安航空计算技术研究所 | Module equal-mass variable-rigidity method and module equal-mass variable-rigidity module |
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| CN203257960U (en) * | 2013-05-03 | 2013-10-30 | 东北大学 | Modular-parameter-adjustable dynamic shock absorber |
| CN104455152A (en) * | 2014-12-16 | 2015-03-25 | 山东大学 | Frequency-modulated multidimensional vibration damper |
| CN105221899A (en) * | 2015-09-30 | 2016-01-06 | 同济大学 | The adjustable three-dimensional elastic support of a kind of rigidity |
| CN205525755U (en) * | 2016-03-07 | 2016-08-31 | 江苏建筑职业技术学院 | Glass frame |
| CN106369103A (en) * | 2016-09-28 | 2017-02-01 | 中国电力科学研究院 | Bearing device for shock absorbing system of electrical facility |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09264379A (en) * | 1996-03-28 | 1997-10-07 | Ishikawajima Harima Heavy Ind Co Ltd | Vibration damping device |
| CN2309244Y (en) * | 1998-01-24 | 1999-03-03 | 巢凯年 | Shock frame for vehicle seat |
| CN203257960U (en) * | 2013-05-03 | 2013-10-30 | 东北大学 | Modular-parameter-adjustable dynamic shock absorber |
| CN104455152A (en) * | 2014-12-16 | 2015-03-25 | 山东大学 | Frequency-modulated multidimensional vibration damper |
| CN105221899A (en) * | 2015-09-30 | 2016-01-06 | 同济大学 | The adjustable three-dimensional elastic support of a kind of rigidity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110921112A (en) * | 2019-12-12 | 2020-03-27 | 武汉军青箱包有限公司 | Special transport case of precious vase |
| CN111654993A (en) * | 2020-05-22 | 2020-09-11 | 中国航空工业集团公司西安航空计算技术研究所 | Module equal-mass variable-rigidity method and module equal-mass variable-rigidity module |
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Application publication date: 20190621 |
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