CN213117259U - Mechanical vibration isolating device - Google Patents
Mechanical vibration isolating device Download PDFInfo
- Publication number
- CN213117259U CN213117259U CN202021958016.0U CN202021958016U CN213117259U CN 213117259 U CN213117259 U CN 213117259U CN 202021958016 U CN202021958016 U CN 202021958016U CN 213117259 U CN213117259 U CN 213117259U
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- Prior art keywords
- block
- damping
- base
- mechanical vibration
- boss
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- 238000013016 damping Methods 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims description 20
- 238000002955 isolation Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a mechanical vibration off device, including last contact block, vibration transmission piece, damping slider and base, it is located to go up the contact block the top of damping slider, go up the contact block with install between the damping slider vibration transmission piece, the base is located the below of damping slider, the damping slider is installed on the base, the damping slider is in slide from top to bottom along vertical direction in the base. The problems that in the prior art, the service life of mechanical parts is shortened and the precision is reduced due to the fact that a power device is large in noise and strong in vibration are solved.
Description
Technical Field
The utility model relates to the field of mechanical equipment, concretely relates to mechanical vibration off device.
Background
A large number of power devices need to be installed in mechanical equipment, mechanical vibration with various strengths and frequencies can be introduced into a system during operation of the power devices, resonance noise can be brought by the mechanical vibration in the system, and damage to parts or influence on accuracy of a sensing element can be accelerated. Mechanical vibration cannot be avoided in a running mechanical system, but the problem can be solved by separating a part needing vibration prevention from a vibration part through grouping design of mechanical equipment and using a connection mode of isolating vibration at the connection part of the part and the vibration part.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a mechanical vibration off device has solved among the prior art because of the power device noise big, the strong problem that arouses that mechanical part life-span subtracts weak, precision reduces of vibration.
The technical scheme of the utility model is realized like this:
the mechanical vibration isolating device comprises an upper contact block, a vibration transmission piece, a damping floating block and a base, wherein the upper contact block is located above the damping floating block, the vibration transmission piece is installed between the upper contact block and the damping floating block, the base is located below the damping floating block, the damping floating block is installed on the base, and the damping floating block slides up and down in the base along the vertical direction.
Preferably, the base is provided with a concave chamber, the longitudinal section of the damping slider is in a T-shaped structure, that is, the damping slider is provided with a platform and a boss which is positioned on the bottom surface of the platform and extends downwards, the boss is matched with the concave chamber, the boss is arranged in the concave chamber, the height of the boss is smaller than the depth of the concave chamber, and the boss of the damping slider slides up and down in the concave chamber of the base along the vertical direction;
hydraulic medium is filled between the boss and the concave chamber;
the vibration transmission piece is arranged between the upper contact block and the platform.
Preferably, in the mechanical vibration isolation device, a groove for expanding a space is formed at the bottom of a boss of the damping slider.
Preferably, in the mechanical vibration isolation device, N annular grooves i are formed in the side wall of a boss of the damping slider and used for placing sealing elements i; the boss of the damping slider forms a sealing structure with the cavity chamber of the base through the sealing element.
Preferably, in the mechanical vibration isolation device, the sealing element i is a steckel seal.
Preferably, a mechanical vibration off device, the below that is located the cavity room on the base is equipped with the buffering runner, the buffering runner has a first opening with cavity room UNICOM, a second opening with outside UNICOM.
Preferably, in the mechanical vibration partition device, a throttling plug for adjusting the flow rate is arranged at the first opening, and a throttling opening is formed in the throttling plug; a liquid injection plug is arranged at the second opening and provided with a one-way valve;
a sliding block is arranged between the throttling block and the liquid injection block in the buffer flow channel and can slide in the buffer flow channel along the flow channel direction; the slide block divides the buffer flow channel into two parts; the first part is positioned between the throttling plug and the sliding block, and the interior of the first part is filled with hydraulic medium; the second part is positioned between the sliding block and the liquid injection plug, and the interior of the second part is filled with a compressed medium.
Preferably, in the mechanical vibration isolating device, the compressed medium is liquid nitrogen.
Preferably, in the mechanical vibration isolating device, n annular grooves ii are formed in the side wall of the sliding block, which is in contact with the buffer flow channel, and used for placing sealing elements ii.
Preferably, in the mechanical vibration isolation device, the vibration transmission member is a steel ball, the lower end of the upper contact block is provided with a plurality of first hemispherical grooves, and correspondingly, the upper end of the damping floating block is provided with a plurality of second hemispherical grooves corresponding to the first hemispherical grooves; and a steel ball is respectively placed between the first hemispherical groove and the second hemispherical groove.
Preferably, in the mechanical vibration isolating device, the groove depth of the first hemispherical groove is H1The radius R of the first hemispherical groove is greater than the radius R of the steel ball;
the groove depth of the second hemispherical groove is H2The radius R of the second hemispherical groove is greater than the radius R of the steel ball;
the steel ball is positioned between the first hemispherical groove and the second hemispherical groove which correspond to each other and keeps reliable contact, and H1+H2Less than 2 r; preferably, H1＞H2。
Preferably, in the mechanical vibration isolating device, a plurality of first hemispherical grooves are uniformly distributed on the lower end of the upper contact block along the circumferential direction of the lower end surface of the upper contact block by 360 degrees;
correspondingly, the plurality of second hemispherical grooves are uniformly distributed on the upper end of the damping floating block along the circumferential direction of the upper end surface of the damping floating block in a 360-degree circumferential direction.
Preferably, the mechanical vibration isolating device is characterized in that a screw hole used for being connected with a vibration device is formed in the top end of the upper contact block, and a screw hole used for being connected with a required anti-vibration device is formed in the bottom end of the base.
The utility model has the advantages that:
1. the utility model discloses a cooperation between last contact block, vibration transmission piece and the damping floating block can turn into longitudinal vibration with most transverse vibration to let the damping floating block absorb, and then reach the effect of falling the vibration damping of making an uproar, simultaneously, damping floating block sealing element installs in the base, and damping floating block lower extreme is equipped with the recess, and the base is inside to be equipped with the buffering runner, forms the pressure release channel jointly, thereby reaches the absorbing purpose of further falling the noise.
2. Be equipped with the throttle in the buffering runner stifled, the slider blocks up with annotating liquid, be located the throttle of buffering runner and cavity room UNICOM department and be equipped with the orifice in stifled, can be through the size of adjusting the orifice, the realization is to the adjustment of this device rigidity, it has hydraulic medium to fill between throttle stifled and the slider, the slider and annotate the packing between the liquid stifled and have the compression medium, therefore, the slider can slide in buffering runner inside according to the change of pressure, it is equipped with the check valve in stifled to be located the notes liquid of buffering runner tail end, can be used for filling of system compression medium or supplementary.
3. Go up the top of contact piece and be equipped with the screw that is used for connecting vibrating device, the bottom of base is equipped with the screw that is used for connecting required anti-vibration device, does benefit to this device and vibrating device, anti-vibration device's quick connection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a mechanical vibration isolation device of the present invention;
FIG. 2 is a longitudinal cross-sectional view of a mechanical vibration isolation apparatus;
FIG. 3 is a top view of a mechanical vibration isolation device;
FIG. 4 is a top view of a mechanical vibration isolation device;
FIG. 5 is a cross-sectional view of a mechanical vibration isolation device.
In the figure: 1-upper contact block, 2-damping floating block, 3-base, 4-annular groove II, 5-sliding block, 6-liquid injection block, 7-first hemispherical groove, 8-second hemispherical groove, 9-annular groove I, 10-concave chamber, 11-groove, 12-throttling block, 13-positioning drill hole, 14-steel ball, 15-buffer flow channel, 16-screw hole I, 17-screw hole II.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, a mechanical vibration isolation device comprises an upper contact block 1, a vibration transmission piece, a damping floating block 2 and a base 3, wherein the upper contact block 1 is located above the damping floating block 2, the vibration transmission piece is installed between the upper contact block 1 and the damping floating block 2, the base 3 is located below the damping floating block 2, the damping floating block 2 is installed on the base 3, and the damping floating block 2 vertically slides in the base 3.
Preferably, as shown in fig. 2, a concave cavity 10 is formed in the base 3, and the longitudinal section of the damping slider 2 is in a "T" shape, that is, the damping slider 2 has a platform and a boss located at the bottom of the platform and extending downward, the boss is matched with the concave cavity 10, the boss is located in the concave cavity 10, the height of the boss is smaller than the depth of the concave cavity 10, and the boss of the damping slider 2 slides up and down in the concave cavity 10 of the base 3 along the vertical direction;
hydraulic medium is filled between the boss and the cavity chamber 10, and the hydraulic medium can generate a pushing effect due to the up-and-down sliding of the damping floating block 2 and is used for transmitting and buffering vibration;
go up and install the vibration transmission piece between contact block 1 and the platform, the vibration transmission piece will go up the vibration transmission that contact block received to damping slider 2, and then do benefit to subsequent vibration conversion and absorption.
More preferably, the bottom of the boss of the damping slider 2 is provided with a groove 11 for expanding the space, so that the damping slider 2 can be ensured to have a residual space for bearing the hydraulic medium when sliding to the bottommost part.
Preferably, N annular grooves I9 are formed in the side wall of a boss of the damping floating block 2 and used for placing the sealing element I; the boss of the damping slider 2 forms a seal structure with the cavity chamber 10 of the base 3 through the seal member i.
More preferably, the sealing element I is a Style seal, which provides a good sealing structure to facilitate leak-free sliding of the damping slider 2 within the cavity 10 of the base 3, without disturbing the pressure within the cavity 10.
Preferably, a buffer flow passage 15 is formed below the cavity chamber 10 on the base 3, the buffer flow passage 15 is formed by drilling and communicating in two directions perpendicular to each other through the positioning drill 13, and the buffer flow passage 15 has a first opening communicating with the cavity chamber 10 and a second opening communicating with the outside.
Preferably, the first opening is provided with a throttling plug 12 for adjusting the flow, and the throttling plug 12 is provided with a throttling opening, so that the purpose of adjusting the rigidity of the device can be realized; a liquid injection plug 6 is arranged at the second opening, and the liquid injection plug 6 is provided with a one-way valve, so that the filling or supplement of a medium is facilitated;
a sliding block 5 is arranged between the throttling plug 12 and the liquid injection plug 6 in the buffer flow passage 15, and the sliding block 5 can slide in the buffer flow passage 15 along the flow passage direction; the slide block 5 divides 15 the buffer flow channel into two parts; the first part is positioned between the throttling plug 12 and the sliding block 5, and the interior of the first part is filled with hydraulic medium; the second part is positioned between the sliding block 5 and the liquid injection plug 6, and the interior of the second part is filled with a compressed medium.
More preferably, the compression medium is liquid nitrogen, and the volume of the liquid nitrogen can be changed according to the pressure, so that the received vibration can be converted and absorbed.
Preferably, n annular grooves II 4 are formed in the side wall of the sliding block 5, which is in contact with the buffer flow passage 15, for placing the sealing element II, so that a good sealing structure can be formed between the sliding block 5 and the buffer flow passage 15.
Preferably, the vibration transmission piece is a steel ball 14, the lower end of the upper contact block 1 is provided with a plurality of first hemispherical grooves 7, and correspondingly, the upper end of the damping floating block 2 is provided with a plurality of second hemispherical grooves 8 corresponding to the first hemispherical grooves 7; a steel ball 14 is placed between the first hemispherical groove 7 and the second hemispherical groove 8, respectively.
The first hemispherical recess 7 has a depth H1Of the first hemispherical recess 7The radius R is larger than the radius R of the steel ball;
the depth of the second hemispherical groove 8 is H2The radius R of the second hemispherical groove 8 is larger than the radius R of the steel ball;
the steel ball 14 is positioned between the first hemispherical groove 7 and the second hemispherical groove 8 which correspond to each other and keeps reliable contact, H1+H2Less than 2 r; preferably, H1＞H2This makes the absorption and transmission of vibrations more stable.
More preferably, as shown in fig. 5, a plurality of first hemispherical grooves 7 are uniformly distributed on the lower end of the upper contact block along the circumferential direction of the lower end surface of the upper contact block 1 by 360 degrees;
correspondingly, the plurality of second hemispherical grooves 8 are uniformly distributed on the upper end of the damping slider 2 along the circumferential direction of the upper end surface of the damping slider 2 by 360 degrees, so that a good vibration receiving and converting structure is formed, and most of transverse vibration can be converted into longitudinal vibration.
Preferably, as shown in fig. 3-4, the top end of the upper contact block 1 is provided with a screw hole i 16 for connecting a vibration device, and the bottom end of the base 3 is provided with a screw hole ii 17 for connecting a required anti-vibration device, so that the device can be quickly connected with the vibration device and the anti-vibration device, and the vibration absorption and noise reduction effects of the device can be further exerted.
This embodiment is through last contact block, vibration transmission piece, damping slider and base, can turn into longitudinal vibration with most transverse vibration, then absorb the vibration through the slip of damping slider in the base, the setting is stifled in the inside throttle of base and can be adjusted the hydraulic medium flow size, thereby realize the rigidity adjustable purpose of this device, slider and notes liquid compression medium between stifled can produce the volume change according to the change of pressure, make the slider produce the displacement, can remain certain buffer pressure all the time, reach the purpose of effective absorption vibration, the notes liquid of the inside buffer pipeline tail end of base is stifled and is also facilitated for filling and replenishing of medium.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second", "element i", "element ii" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features indicated. Thus, features defined as "first", "second", "element i", "element ii" may explicitly or implicitly include one or more of such features. In the description of the present invention, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The mechanical vibration isolation device is characterized by comprising an upper contact block, a vibration transmission piece, a damping floating block and a base, wherein the upper contact block is located above the damping floating block, the vibration transmission piece is installed between the upper contact block and the damping floating block, the base is located below the damping floating block, the damping floating block is installed on the base, and the damping floating block slides up and down in the base along the vertical direction.
2. The mechanical vibration isolation device according to claim 1, wherein the base is provided with a concave chamber, and the longitudinal section of the damping slider is of a T-shaped structure, that is, the damping slider is provided with a platform and a boss which is positioned on the bottom surface of the platform and extends downwards, the boss is matched with the concave chamber, the boss is arranged in the concave chamber, the height of the boss is smaller than the depth of the concave chamber, and the boss of the damping slider slides up and down in the concave chamber of the base along the vertical direction;
hydraulic medium is filled between the boss and the concave chamber;
the vibration transmission piece is arranged between the upper contact block and the platform.
3. The mechanical vibration isolation apparatus of claim 2 wherein the bottom of the boss of the damping slider is provided with a groove for expanding the space.
4. The mechanical vibration isolation device according to claim 2, wherein N annular grooves I are formed in the side wall of the boss of the damping slider and used for placing the sealing element I; a boss of the damping slider forms a sealing structure with a cavity chamber of the base through the sealing element I; the sealing element I is a Stent seal.
5. The mechanical vibration isolation device of claim 2, wherein the base is provided with a buffer flow passage below the cavity chamber, and the buffer flow passage has a first opening communicated with the cavity chamber and a second opening communicated with the outside.
6. The mechanical vibration partition device according to claim 5, wherein a throttling plug for adjusting the flow rate is arranged at the first opening, and the throttling plug is provided with a throttling opening; a liquid injection plug is arranged at the second opening and provided with a one-way valve;
a sliding block is arranged between the throttling block and the liquid injection block in the buffer flow channel and can slide in the buffer flow channel along the flow channel direction; the slide block divides the buffer flow channel into two parts; the first part is positioned between the throttling plug and the sliding block, and the interior of the first part is filled with hydraulic medium; the second part is positioned between the sliding block and the liquid injection plug, and compressed media are filled in the second part; the compression medium is liquid nitrogen.
7. The mechanical vibration partition device of claim 6, wherein n annular grooves II are formed in the side wall of the sliding block, which is in contact with the buffer flow channel, and used for placing sealing elements II.
8. The mechanical vibration isolation device according to claim 1, wherein the vibration transmission member is a steel ball, the lower end of the upper contact block is provided with a plurality of first hemispherical grooves, and correspondingly, the upper end of the damping floating block is provided with a plurality of second hemispherical grooves corresponding to the first hemispherical grooves; and a steel ball is respectively placed between the first hemispherical groove and the second hemispherical groove.
9. A mechanical vibration isolation device as claimed in claim 8 wherein the first hemispherical recess has a groove depth H1The radius R of the first hemispherical groove is greater than the radius R of the steel ball;
the groove depth of the second hemispherical groove is H2The radius R of the second hemispherical groove is greater than the radius R of the steel ball;
the steel ball is positioned between the first hemispherical groove and the second hemispherical groove which correspond to each other and keeps reliable contact, and H1+H2＜2r。
10. The mechanical vibration isolation device of claim 8, wherein a plurality of first hemispherical grooves are uniformly distributed on the lower end of the upper contact block along the circumferential direction of the lower end surface of the upper contact block by 360 degrees;
correspondingly, the plurality of second hemispherical grooves are uniformly distributed on the upper end of the damping floating block along the circumferential direction of the upper end surface of the damping floating block in a 360-degree circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021958016.0U CN213117259U (en) | 2020-09-09 | 2020-09-09 | Mechanical vibration isolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021958016.0U CN213117259U (en) | 2020-09-09 | 2020-09-09 | Mechanical vibration isolating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213117259U true CN213117259U (en) | 2021-05-04 |
Family
ID=75661562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021958016.0U Expired - Fee Related CN213117259U (en) | 2020-09-09 | 2020-09-09 | Mechanical vibration isolating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117259U (en) |
-
2020
- 2020-09-09 CN CN202021958016.0U patent/CN213117259U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210504 |
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| CF01 | Termination of patent right due to non-payment of annual fee |