CN211693368U - Automatic pressing-releasing device for dynamic vibration absorber - Google Patents
Automatic pressing-releasing device for dynamic vibration absorber Download PDFInfo
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- CN211693368U CN211693368U CN201922294865.4U CN201922294865U CN211693368U CN 211693368 U CN211693368 U CN 211693368U CN 201922294865 U CN201922294865 U CN 201922294865U CN 211693368 U CN211693368 U CN 211693368U
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- fork seat
- fork
- seat
- vibration absorber
- dynamic vibration
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 38
- 238000003825 pressing Methods 0.000 title abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 4
- 241000239290 Araneae Species 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000004308 accommodation Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of vibration control, a automatic pressing-releasing device for dynamic vibration absorber is disclosed, include: three fork seat, supporting shoe, spring ring, swivel mount and actuating mechanism, wherein, three fork seat include three fork seat body, go up three fork seat and three fork seat down, three fork seat body and supporting shoe formation cavity cage column structure, go up three fork seat and three fork seat down and be located inside the cavity cage column structure, the spring ring is held go up three fork seat with between the three fork seat down, swivel mount and actuating mechanism all install on the supporting shoe, it is rotatory through actuating mechanism drive swivel mount, during the swivel mount is rotatory, reciprocate for the supporting shoe to, three fork seat reciprocated under the drive to realize compressing tightly and the release of spring ring. The utility model discloses under can realizing less drive power condition, rigidity locking and release function in the dynamic vibration absorber spring ring accommodation process, the locking state is mechanical structure and connects, does not have elasticity link, compact structure.
Description
Technical Field
The utility model relates to a vibration control technical field, specifically, especially relate to an automatic compressing tightly-releasing device for dynamic vibration absorber.
Background
In the field of vibration control, auxiliary mass vibration control (dynamic vibration absorber) is a vibration control method in parallel with vibration isolation. The vibration-proof device is characterized in that the vibration-proof device carries mass, and an anti-resonance system is formed by inertia of the mass and a main vibration system so as to achieve the purpose of absorbing specific frequency at a working point and enable the main vibration system to have the effect of an absolute space hard point at the frequency of the working point. The conventional dynamic vibration absorber is usually designed to be passive and unadjustable, and is difficult to adapt to occasions under vibration states. With the development of science and technology, a dynamic vibration absorber with adjustable vibration parameters (for adjusting the mass or rigidity of an auxiliary mass system) has appeared in recent years, the dynamic vibration absorber has the capability of automatically adjusting the system parameters in due time, the problem of performance reduction of the dynamic vibration absorber caused by external condition change in the use process is avoided, and the dynamic vibration absorber is used as a semi-active system only temporarily adjusting the system parameters, has the advantages of low energy consumption and off-line distribution, and has wide application prospect.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, it is an object of the present invention to provide an automatic pressing-releasing device for a dynamic vibration absorber, comprising: three fork seats, supporting shoe, spring ring, swivel mount and actuating mechanism, wherein, three fork seats are located the top of supporting shoe, three fork seats include three fork seat body, go up three fork seat and lower three fork seat, three fork seat body with the supporting shoe forms cavity cage-like structure, go up three fork seat with down three fork seat is inside cavity cage-like structure, go up three fork seat in the top of three fork seat down, the spring ring is held go up three fork seat with down between the three fork seat, the swivel mount with actuating mechanism all installs on the supporting shoe, through actuating mechanism drives the swivel mount is rotatory, during the swivel mount is rotatory, for the supporting shoe reciprocates, and, drives three fork seat reciprocates down, thereby realizes compressing tightly and the release of spring ring.
Preferably, the transposition comprises: the bearing seat comprises a swivel seat body, a rolling bearing, a swivel seat wheel shaft and a gear ring, wherein the swivel seat body is installed on the supporting block, the rolling bearing, the swivel seat wheel shaft and the gear ring are all installed on the swivel seat body, and the gear ring is meshed with an output gear shaft of the driving mechanism.
Preferably, the contact surface between the swivel base body and the support block is a helicoid with gradually increasing height.
Preferably, the three-fork seat body is cylindrical, the bottom is a disc, and a plurality of stand columns are uniformly distributed on the disc.
Preferably, the upper three-fork seat and the lower three-fork seat are respectively provided with a plurality of wheel shafts which are uniformly distributed along the circumferential direction, the wheel shafts arranged on the upper three-fork seat and the lower three-fork seat vertically correspond to each other, the wheel shafts are provided with rollers, and the spring ring is clamped between the rollers of the upper three-fork seat and the rollers of the lower three-fork seat.
Preferably, the automatic pressing-releasing device further comprises a plurality of supports for supporting the spring ring, the plurality of supports are uniformly distributed along the circumferential direction of the spring ring, and the spring ring and the supports form a cantilever structure.
Preferably, the abutment is spaced from the roller.
Preferably, pin holes are formed in the middle of the upper three-fork seat and the lower three-fork seat and used for being connected with an output shaft of a main motor.
Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:
a compress tightly-release automatically for dynamic vibration absorber makes adjustable rigidity dynamic vibration absorber "inhale shake" course of operation, and the mass system of whole dynamic vibration absorber can be as an organic whole with the spring ring fixed connection, in dynamic vibration absorber "frequency modulation" course of operation, the relative rotation that spring ring fulcrum position can be free.
The utility model discloses under can realizing less drive power condition, rigidity locking and release function in the dynamic vibration absorber spring ring accommodation process, the locking state is mechanical structure and connects, does not have the elasticity link, has compact structure's characteristics simultaneously.
Drawings
Fig. 1 is a schematic structural view of an automatic pressing-releasing device for a dynamic vibration absorber according to the present invention;
fig. 2 is a schematic front view of the automatic pressing-releasing device for a dynamic vibration absorber according to the present invention;
fig. 3 is a schematic cross-sectional view of the automatic compression-release device for a dynamic vibration absorber according to the present invention.
The three-fork type vertical column driving mechanism comprises a driving motor, a driving wheel, a.
Detailed Description
The embodiments of the present invention will be described below with reference to the accompanying drawings. Those of ordinary skill in the art will recognize that the described embodiments can be modified in various different ways, or combinations thereof, without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Furthermore, in the present description, the drawings are not to scale and like reference numerals refer to like parts.
Fig. 1 is a schematic structural view of an automatic pressing-releasing device for a dynamic vibration absorber, fig. 2 is a schematic view of a main view of an automatic pressing-releasing device for a dynamic vibration absorber, fig. 3 is a schematic sectional view of an automatic pressing-releasing device for a dynamic vibration absorber, as shown in fig. 1 to 3, the automatic pressing-releasing device of the present invention comprises: the three-fork seat comprises a three-fork seat 1, a supporting block 2, a spring ring 6, a rotary seat 8 and a driving mechanism (such as a driving motor 7), wherein the three-fork seat 1 is positioned above the supporting block 2, the three-fork seat 1 comprises a three-fork seat body 13, an upper three-fork seat 3 and a lower three-fork seat 4, the three-fork seat body 13 is connected with the supporting block 2 to form a hollow cage-shaped structure, the top and the bottom of the three-fork seat body 13 are respectively provided with a top plate and a bottom plate, the top plate and the bottom plate are connected through a plurality of stand columns 14 in front, the bottom plate is connected with the supporting block 2 below the top plate and the bottom plate, the plurality of stand columns 14 are positioned at the edges of the top plate and the bottom plate to form a hollow cage-shaped structure inside, and; go up trident seat 3 and be located the top of trident seat 4 down, spring ring 6 is held go up trident seat 3 with down between the trident seat 4, swivel mount 8 with actuating mechanism all installs on the supporting shoe 2, swivel mount 8 is located cavity cage-like structure, through the actuating mechanism drive swivel mount 8 is rotatory, during swivel mount 8 is rotatory, for supporting shoe 2 reciprocates, and, drive trident seat 4 reciprocates down, realizes vertical size adjustment, thereby realizes compressing tightly and the release of spring ring 6.
The utility model discloses a height of trident seat 4 under the transposition 8 adjustment to compress tightly or release the centre gripping at last trident seat 3 and the spring ring 6 between trident seat 4 down, and make the dynamic vibration absorber inhale the in-process, whole mass system can link together with spring ring 6.
In an alternative embodiment, the three-prong body 13 is cylindrical, and has a top and a bottom that are disks, and a plurality of columns 14 are uniformly distributed on the disks. For example, three upright posts 14 are arranged on the bottom disc and evenly distributed at three points along the circumferential direction, the upper three-fork seat 3 and the lower three-fork seat 4 are positioned in a hollow structure formed between the three upright posts 14, and the three-fork seat body 13 is connected with the supporting block 2 and used as a supporting body of the automatic pressing-releasing device to provide support for the supporting body.
In an alternative embodiment, a plurality of wheel shafts are mounted on each of the upper three-fork seat 3 and the lower three-fork seat 4, the wheel shafts are uniformly distributed along the circumferential direction, the wheel shafts mounted on the upper three-fork seat 3 and the wheel shafts mounted on the lower three-fork seat 4 are in up-down one-to-one correspondence, rollers 5 are mounted on the wheel shafts, the spring ring 6 is clamped between the rollers 5 of the upper three-fork seat 3 and the rollers 5 of the lower three-fork seat 4, and the rollers 5 can roll along the surface of the spring ring 6 along with the rotation of the upper three-fork seat 3 and the lower three-fork seat 4, so that the positions of spring fulcrums can automatically rotate relatively in the frequency modulation process of the dynamic vibration absorber. Wherein, the axle of installation is perpendicular with the central axis of trident seat 1, and, the axis of axle is parallel with the periphery of spring ring 6.
The middle parts of the three-fork seat body 13, the upper three-fork seat 3 and the lower three-fork seat 4 are provided with pin holes (D-shaped pin holes) for being connected with an output shaft of a main motor. The three-fork seat 1 is used as a motor seat and is connected with a shell of a main motor, the main motor is used for driving an upper three-fork seat 3 and a lower three-fork seat 4 to synchronously rotate, the rollers 5 which are arranged on the shafts of the upper three-fork seat 3 and the lower three-fork seat 4 and are opposite up and down rotate along with the rotation of the upper three-fork seat 3 and the lower three-fork seat 4, and the three-fork seat body 13 does not rotate.
The swivel base 8 comprises: swivel mount body, antifriction bearing 10, swivel mount shaft 11 and ring gear 12, swivel mount body installs on supporting shoe 2, antifriction bearing 10 swivel mount shaft 11 with ring gear 12 all installs on the swivel mount body, ring gear 12 with actuating mechanism's output gear shaft meshing (actuating mechanism's output gear shaft is a little tooth number gear, provides power for swivel mount 8's rotation), antifriction bearing 10 passes through swivel mount shaft 11 and installs the inside at swivel mount body to can roll on supporting shoe 2's surface, for a whole set of automatic pressing-release device provides the holding power, swivel mount shaft 11 installs in swivel mount body's downthehole as antifriction bearing 10's shaft, and swivel mount body is cylindrically, ring gear 12 installs the cylindrical surface outside swivel mount body's the cylindric plane with one heart. Through actuating mechanism's output gear axle with meshing between the gear ring 12 drives gear ring 12 and rotates to realize that swivel mount 8 is whole around the rotation of self the central axis, reach the purpose that risees or reduces swivel mount 8, drive down trident seat 4 and reciprocate.
The rotation seat 8 can realize the conversion of rotation into height change, in an alternative embodiment, the contact surface between the rotation seat body and the supporting block 2 is a spiral surface with gradually increasing height, and the rotation seat 8 rotates on the spiral surface of the supporting block 2 to obtain the overall height change, so that the upper three-fork seat 3 and the lower three-fork seat 4 compress or loosen the spring ring 6.
It should be noted that the present invention is not limited to the structure that the contact surface is a spiral surface, and any form that can achieve the compressing-releasing function of the spring ring 6 by implementing the rotation-height change is included in the protection scope of the present invention.
In an alternative embodiment, the automatic press-and-release device further comprises a plurality of seats 9 (only three are illustrated in the figure for example) for supporting the spring ring 6, the plurality of seats 9 are evenly distributed along the circumferential direction of the spring ring 6, and the spring ring 6 and the seats 9 form a cantilever structure. A plurality of bearings 9 are fixedly mounted on the housing of the dynamic vibration absorber to provide a supporting force for the spring ring 6.
As shown in fig. 1, the support 9 is in a horizontal T shape and includes a vertical portion and a horizontal portion, wherein the vertical portion is used for being connected with a housing of the dynamic vibration absorber (the housing and the automatic pressing-releasing device form the dynamic vibration absorber), the horizontal portion is provided with a through hole, and can be connected with the spring ring 6 through a connecting member such as a screw, and the spring ring 6 uses the beam structure rigidity formed by the support 9 and the upper and lower trident bases 3 and 4 as the spring rigidity of the dynamic vibration absorber. A plurality of abutments 9 are provided spaced from the roller 5, and the roller 5 rolls between two adjacent abutments 9.
The utility model discloses the hollow cage structure in inside that forms provides two-way support to last trident seat 3 and the clamping structure that trident seat 4 formed down, realizes compressing tightly of structure rigid connection nature by driving motor 7's rotation, compresses tightly the spring ring 6 of centre gripping to, it is whole to be a rigidity through compressing tightly 6 centre gripping with spring ring makes whole device under the state that compresses tightly, can not bring interference such as attached quality and subsidiary rigidity for the dynamic vibration absorber.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An automatic press-release apparatus for a dynamic vibration absorber, comprising: three fork seats, supporting shoe, spring ring, swivel mount and actuating mechanism, wherein, three fork seats are located the top of supporting shoe, three fork seats include three fork seat body, go up three fork seat and lower three fork seat, three fork seat body with the supporting shoe forms cavity cage-like structure, go up three fork seat with down three fork seat is inside cavity cage-like structure, go up three fork seat in the top of three fork seat down, the spring ring is held go up three fork seat with down between the three fork seat, the swivel mount with actuating mechanism all installs on the supporting shoe, through actuating mechanism drives the swivel mount is rotatory, during the swivel mount is rotatory, for the supporting shoe reciprocates, and, drives three fork seat reciprocates down, thereby realizes compressing tightly and the release of spring ring.
2. The automatic compression-release apparatus for a dynamic vibration absorber according to claim 1 wherein said swivel mount comprises: the bearing seat comprises a swivel seat body, a rolling bearing, a swivel seat wheel shaft and a gear ring, wherein the swivel seat body is installed on the supporting block, the rolling bearing, the swivel seat wheel shaft and the gear ring are all installed on the swivel seat body, and the gear ring is meshed with an output gear shaft of the driving mechanism.
3. The automatic compression-release device for a dynamic vibration absorber according to claim 2, wherein the contact surface between said swivel base body and said support block is a helicoid of gradually increasing height.
4. The automatic compression-release apparatus for a dynamic vibration absorber according to claim 1 wherein said spider body is cylindrical and has a bottom portion in the form of a disk, said disk having a plurality of posts uniformly disposed thereon.
5. The automatic press-and-release device for a dynamic vibration absorber according to claim 1 wherein said upper trident base and said lower trident base are each provided with a plurality of axles which are evenly distributed in the circumferential direction, and said upper trident base provided axle is vertically opposite to said lower trident base provided axle, said axles being provided with rollers, and said spring ring being sandwiched between the rollers of the upper trident base and the rollers of the lower trident base.
6. The automatic compression-release apparatus for a dynamic vibration absorber according to claim 5, wherein said automatic compression-release apparatus further comprises a plurality of seats for supporting said spring ring, said plurality of seats being evenly distributed along a circumferential direction of said spring ring, said spring ring and said seats forming a cantilever structure.
7. The automatic compression-release apparatus for a dynamic vibration absorber according to claim 6 wherein said abutment is spaced from said roller.
8. The automatic compression-release apparatus for a dynamic vibration absorber according to claim 1, wherein a pin hole is provided in the middle of said upper and lower yokes, said pin hole being adapted to be connected to a main motor output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294865.4U CN211693368U (en) | 2019-12-19 | 2019-12-19 | Automatic pressing-releasing device for dynamic vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294865.4U CN211693368U (en) | 2019-12-19 | 2019-12-19 | Automatic pressing-releasing device for dynamic vibration absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211693368U true CN211693368U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922294865.4U Active CN211693368U (en) | 2019-12-19 | 2019-12-19 | Automatic pressing-releasing device for dynamic vibration absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211693368U (en) |
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2019
- 2019-12-19 CN CN201922294865.4U patent/CN211693368U/en active Active
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Effective date of registration: 20231102 Granted publication date: 20201016 |
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