CN209309199U - Tunable load formula vibration isolator - Google Patents
Tunable load formula vibration isolator Download PDFInfo
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- CN209309199U CN209309199U CN201821680897.7U CN201821680897U CN209309199U CN 209309199 U CN209309199 U CN 209309199U CN 201821680897 U CN201821680897 U CN 201821680897U CN 209309199 U CN209309199 U CN 209309199U
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- cylinder
- support shaft
- vibration isolator
- plane
- sliding block
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Abstract
The utility model belongs to dampening apparatus technical field, is related to a kind of tunable load formula vibration isolator, including cylinder, and supporting block is arranged in the cylinder upper port, and cylinder lower port is threadedly coupled pedestal；The connection of the inner hole thread of support shaft and supporting block, support shaft top is stretched out on the outside of cylinder, support shaft lower part is placed in cylinder, and support shaft protrudes into the intracorporal diameter of axle surface of cylinder and is provided with collateral support part, support shaft lower end is arranged sliding block, and the sliding block has transverse support portion, stress inclined-plane, is additionally provided with mesh pad in cylinder lumen, mesh pad is mutually interlocked with side support shaft and transverse support portion, and cylinder is additionally provided with the pushing mechanism mutually interlocked with stress inclined-plane.The utility model product structure is simple, reasonable, damping effect is played using wire gauze pad as elastic element, adjustable wire gauze pad deformation vibration isolator is formed using the type slide block mechanism of carving, the initial preload of adjustable elastomer and rigidity, and carry out displacement when elastomer thickness reduces and make up.
Description
Technical field
The utility model belongs to dampening apparatus technical field, is related to a kind of tunable load formula vibration isolator.
Background technique
Currently, wire gauze pad vibration isolator is widely used in vibratory impulse environment, equipment is protected, is prevented
When equipment bears vibratory impulse, it is damaged.Consider that wire mesh vibration isolator rigidity property consistency is poor, and uses for a long time
Shi Fasheng plastic deformation, elastomer thickness reduce, and performance changes, thus need to design a kind of tunable load formula wire mesh every
Shake device, the initial preload of adjustable elastomer and rigidity, and carries out displacement when elastomer thickness reduces and make up.
Summary of the invention
The utility model is in view of the above-mentioned problems, provide a kind of tunable load formula vibration isolator, the adjustable elasticity of the vibration isolator
The initial preload of body and rigidity, and carry out displacement when elastomer thickness reduces and make up.
According to the technical solution of the utility model includes: a kind of tunable load formula vibration isolator, it is characterised in that: including cylinder, institute
Cylinder upper port setting supporting block is stated, cylinder lower port is threadedly coupled pedestal；The connection of the inner hole thread of support shaft and supporting block, branch
It supports axis top to stretch out on the outside of cylinder, support shaft lower part is placed in cylinder, and support shaft protrudes into the intracorporal diameter of axle surface of cylinder and is provided with
Collateral support part, support shaft lower end are arranged sliding block, and the sliding block has transverse support portion, stress inclined-plane, also sets up in cylinder lumen
There is mesh pad, mesh pad is mutually interlocked with collateral support part and transverse support portion, and cylinder is additionally provided with to be pushed away with what stress inclined-plane mutually interlocked
Motivation structure, pushing mechanism push sliding block to carry out elevating movement.
The pushing mechanism includes symmetrically arranged two pieces of cylinder inboard wall lower part as a further improvement of the utility model,
Meniscus, forms guide groove between two pieces of meniscus, and cylinder inboard wall corresponds to the one circle lug boss of top setting of meniscus, protrusion
A connecting hole is respectively set in both ends top in portion corresponding to guide groove；Wedge is set in guide groove, and wedge bottom surface is supported in
On pedestal, the lower part of sliding block is placed in guide groove, and the force inclined-plane of wedge is matched with the stress inclined-plane of sliding block；The cylinder
The upper outer end corresponding to connecting hole is fixed with adjusting nut, adjusts bolt and is threadedly coupled with adjusting nut, and adjusts bolt and protrude into
The intracorporal end of cylinder and wedge abutting contact.
The force inclined-plane is matched with stress inclined-plane in 45° angle as a further improvement of the utility model,.
The support shaft threaded upper ends connect locking nut as a further improvement of the utility model,.
The supporting block includes support portion and axially-extending portion, support portion branch as a further improvement of the utility model,
It supports in cylinder upper end, axially-extending portion lower end extends at the convex shoulder of cylinder inboard wall upper end formation.
The utility model has the technical effect that the utility model product structure is simple, reasonable, and wire gauze pad is utilized to make
Damping effect is played for elastic element, adjustable wire gauze pad is formed using the type slide block mechanism of carving and deforms vibration isolator, it is adjustable
The initial preload of elastomer and rigidity, and carry out displacement when elastomer thickness reduces and make up.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the utility model middle cylinder body structural schematic diagram.
Fig. 3 is the sectional view along A-A of Fig. 2.
Fig. 4 is the top view of Fig. 2.
Specific embodiment
Specific embodiment of the present utility model is further described with reference to the accompanying drawing.
In Fig. 1, including pedestal 1, cylinder 2, meniscus 2-1, lug boss 2-2, connecting hole 2-3, guide groove 2-4, convex shoulder 2-
5, wedge 3, force inclined-plane 3-1, sliding block 4, transverse support portion 4-1, stress inclined-plane 4-2, mesh pad 5, support shaft 6, collateral support part
6-1, upper cover 7, supporting block 8, support portion 8-1, axially-extending portion 8-2, locking nut 9, adjusting nut 10, adjusting bolt 11 etc..
As shown in Figure 1, the utility model is a kind of tunable load formula vibration isolator, including cylinder 2,2 upper port of cylinder
Supporting block 8 is set, and 2 lower port of cylinder is threadedly coupled pedestal 1；Support shaft 6 is connect with the inner hole thread of supporting block 8, in support shaft 6
2 outside of cylinder is stretched out in portion, and 6 lower part of support shaft is placed in cylinder 2, and the diameter of axle surface that support shaft 6 protrudes into cylinder 2 is provided with side
Support portion 6-1,6 lower end of support shaft are arranged sliding block 4, and the sliding block 4 has a transverse support portion 4-1, stress inclined-plane 4-2, in cylinder 2
Mesh pad 5 is additionally provided in chamber, mesh pad 5 is interlocked with collateral support part 6-1 and transverse support portion 4-1 phase, cylinder 2 be additionally provided with
The pushing mechanism that stress inclined-plane 4-2 phase interlocks, pushing mechanism push sliding block 4 to carry out elevating movement.
Pushing mechanism includes the symmetrically arranged two pieces of meniscus 2-1 of 2 inner wall lower of cylinder, shape between two pieces of meniscus 2-1
At guide groove 2-4,2 inner wall of cylinder encloses lug boss 2-2 corresponding to the top setting one of meniscus 2-1, corresponds on lug boss 2-2
A connecting hole 2-3 is respectively set above the both ends of guide groove 2-4；Wedge 3 is set in guide groove 2-4, and 3 bottom surface of wedge is supported in
On pedestal 1, the lower part of sliding block 4 is placed in guide groove 2-4, and the stress inclined-plane 4-2 phase of force the inclined-plane 3-1 and sliding block 4 of wedge 3
Cooperation；Outer end on the cylinder 2 corresponding to connecting hole 2-3 is fixed with adjusting nut 10, adjusts bolt 11 and adjusting nut 10
It is threadedly coupled, and adjusts bolt 11 and protrude into the end in cylinder 2 and 3 abutting contact of wedge.
Force inclined-plane 3-1 is matched with stress inclined-plane 4-2 in 45° angle.
6 threaded upper ends of support shaft connect locking nut 9.
Supporting block 8 includes support portion 8-1 and axially-extending portion 8-2, and support portion 8-1 is supported in 2 upper end of cylinder, axially extending
The portion lower end 8-2 extends at the convex shoulder 2-5 of 2 inner wall upper end of cylinder formation.The utility model product further includes a upper cover 7, on
Lid 7 is set between mesh pad 5 and support shaft 6, and 7 upper end of upper cover is flushed with the upper surface of mesh pad 5.
At work, when the active force that support shaft 6 is generated by extraneous vibration excitation, wire gauze pad 5 can be forced to produce
Raw upper and lower compressive deformation, to make to generate mutually sliding and friction between wire gauze pad 5.Between the wire of mesh pad 5
Friction will generate thermal energy, the portion of energy of loss system.Another part energy of system will be passed by the elastic potential energy of mesh pad 5
It is handed in equipment.Therefore be transferred to gross energy in equipment and reduced, there is certain effectiveness in vibration suppression to the equipment in supporting block 8.
When adjusting nut 10 screws, it will push wedge 3 and internally moved in the guide groove 2-4 of cylinder 2, at this point, sliding
Block 4 will push up compressed metal steel net pad by wedge 3, it is possible to increase the rigidity and raising support shaft 6 of wire gauze pad 5 load
Effect.When adjusting nut 10 unscrews, mesh pad 5 slides in and out wedge 3 because elasticity restores that sliding block 4 is pushed to move downward.
5 deformation space of mesh pad increases, and can reduce the rigidity of mesh pad 5 and reduce the effect that support shaft 6 loads.This mechanism wedge 3
Maximum slide displacement is L, therefore wire gauze pad displacement-adjustable is also L.
Claims (5)
1. a kind of tunable load formula vibration isolator, it is characterised in that: including cylinder (2), supporting block is arranged in cylinder (2) upper port
(8), cylinder (2) lower port is threadedly coupled pedestal (1)；Support shaft (6) is connect with the inner hole thread of supporting block (8), support shaft (6)
Top is stretched out on the outside of cylinder (2), and support shaft (6) lower part is placed in cylinder (2), and support shaft (6) protrudes into the diameter of axle in cylinder (2)
Surface is provided with collateral support part (6-1), and support shaft (6) lower end is arranged sliding block (4), and the sliding block (4) has transverse support portion (4-
1), stress inclined-plane (4-2) is additionally provided with mesh pad (5) in cylinder (2) inner cavity, mesh pad (5) and collateral support part (6-1) and horizontal
To support portion (4-1) Xiang Liandong, cylinder (2) is additionally provided with the pushing mechanism with stress inclined-plane (4-2) Xiang Liandong, and pushing mechanism pushes away
Movable slider (4) carries out elevating movement.
2. tunable load formula vibration isolator as described in claim 1, it is characterised in that: the pushing mechanism includes in cylinder (2)
The symmetrically arranged two pieces of meniscus (2-1) in wall lower part form guide groove (2-4) between two pieces of meniscus (2-1), in cylinder (2)
Wall encloses lug boss (2-2) corresponding to the top setting one of meniscus (2-1), corresponding to guide groove (2-4) on lug boss (2-2)
A connecting hole (2-3) is respectively set above both ends；Wedge (3) are set in guide groove (2-4), wedge (3) bottom surface is supported in bottom
On seat (1), the lower part of sliding block (4) is placed in guide groove (2-4), and the force inclined-plane (3-1) of wedge (3) and sliding block (4) by
(4-2) is matched on power inclined-plane；Outer end on the cylinder (2) corresponding to connecting hole (2-3) is fixed with adjusting nut (10), is adjusted
Bolt (11) is threadedly coupled with adjusting nut (10), and adjust bolt (11) protrude into the end in cylinder (2) and wedge (3) against
Contact.
3. tunable load formula vibration isolator as claimed in claim 2, it is characterised in that: the force inclined-plane (3-1) and stress are oblique
(4-2) is matched in 45° angle in face.
4. tunable load formula vibration isolator as described in claim 1, it is characterised in that: support shaft (6) the threaded upper ends connection
Locking nut (9).
5. tunable load formula vibration isolator as described in claim 1, it is characterised in that: the supporting block (8) includes support portion (8-
1) and axially-extending portion (8-2), support portion (8-1) are supported in cylinder (2) upper end, and the lower end axially-extending portion (8-2) extends to cylinder
At the convex shoulder (2-5) that body (2) inner wall upper end is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680897.7U CN209309199U (en) | 2018-10-16 | 2018-10-16 | Tunable load formula vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680897.7U CN209309199U (en) | 2018-10-16 | 2018-10-16 | Tunable load formula vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209309199U true CN209309199U (en) | 2019-08-27 |
Family
ID=67670990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821680897.7U Active CN209309199U (en) | 2018-10-16 | 2018-10-16 | Tunable load formula vibration isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209309199U (en) |
-
2018
- 2018-10-16 CN CN201821680897.7U patent/CN209309199U/en active Active
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