CN113931967B - Vibration isolator mounting structure - Google Patents
Vibration isolator mounting structure Download PDFInfo
- Publication number
- CN113931967B CN113931967B CN202010674344.6A CN202010674344A CN113931967B CN 113931967 B CN113931967 B CN 113931967B CN 202010674344 A CN202010674344 A CN 202010674344A CN 113931967 B CN113931967 B CN 113931967B
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- Prior art keywords
- base
- vibration isolator
- nut
- bolt
- hole
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- 238000009434 installation Methods 0.000 description 23
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/0208—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using panel fasteners, i.e. permanent attachments allowing for quick assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0041—Locking; Fixing in position
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a vibration isolator mounting structure, which comprises: a base and vibration isolators; the vibration isolator comprises an isolator body and an isolator connecting part which are fixedly connected; the vibration isolator connecting portion is provided with a vibration isolator connecting body positioned at the front part of the base, the vibration isolator connecting body is detachably and fixedly connected with the base through a first fastener, and the head part of the first fastener is positioned at the front part of the base. According to the vibration isolator mounting structure disclosed by the invention, through improving the structures of the vibration isolator and the base, the whole vibration isolator is detachably and fixedly connected with the base through the first fastener, and as the first fastener is positioned at the front part of the base, the front part of the base can be operated to mount and replace the vibration isolator.
Description
Technical Field
The invention relates to the technical field of vibration reduction, in particular to a vibration isolator mounting structure.
Background
Most of offshore equipment is required to be provided with vibration isolators, and the vibration isolators are required to be replaced periodically according to the use condition because the steel wires of the vibration isolators can be subjected to fatigue fracture in the long-term swaying process.
As shown in fig. 1, the bottom of the apparatus 04 is provided with vibration isolators 02, and the vibration isolators 02 are mounted on the base 01 by four bolts 03, which is simple and reliable, but requires a high installation space, i.e. a sufficient space for standing and a suitable wrench for passing through the wire fastening bolts 03 of the vibration isolators 02. For the wall-mounted and cabinet-combined equipment 04, under the condition that the cable of the equipment 04 does not move, no operable space exists on the back and the left and right sides of the equipment 04, and only the operation can be performed from the front of the equipment 04, namely, the bolts 03 can be fastened and detached through the steel wires of the vibration isolators 02, so that the vibration isolators 02 are difficult to install and replace.
In addition, vibration isolator 02 is installed on base 01, and base 01 is fixed unable to be changed, and the screw hole on the base 01 can take place wearing and tearing after long-term use, and after waiting to change new vibration isolator, the installation moment is difficult operation requirement, influences stability and damping effect.
In summary, how to install the vibration isolator to reduce the requirement of installing and replacing the vibration isolator on the installation space, thereby reducing the difficulty of installing and replacing the vibration isolator is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a vibration isolator mounting structure, which is used for reducing the requirement of mounting and replacing vibration isolators on mounting space, thereby reducing the difficulty of mounting and replacing the vibration isolators.
In order to achieve the above object, the present invention provides the following technical solutions:
a vibration isolator mounting structure comprising: a base and vibration isolators; the vibration isolator comprises an isolator body and an isolator connecting part which are fixedly connected; the vibration isolator connecting part is provided with a vibration isolator connecting body positioned at the front part of the base, the vibration isolator connecting body is detachably and fixedly connected with the base through a first fastener, and the head part of the first fastener is positioned at the front part of the base.
Preferably, the first fastener includes a first bolt and a first nut, the head of the first bolt is located at the front of the base, and the first nut is limited on the base along the circumferential direction and the axial direction of the first nut.
Preferably, the first nut is a bar nut, and the base is provided with a limiting hole for limiting the bar nut along the circumferential direction of the bar nut; the inner wall of the limit hole is provided with a limit plate which is in contact with the bulge so as to limit the strip-shaped nut to be separated from the limit hole, and the limit plate is positioned at the bottom side of the bulge.
Preferably, the first fastener comprises a first bolt and a first nut, the head of the first bolt is located at the front part of the base, the base is provided with a through hole for the first bolt to pass through, and the through hole is a non-threaded hole.
Preferably, the base is provided with a support surface at the bottom side of the isolator connector and supporting the isolator connector.
Preferably, the vibration isolator mounting structure further comprises a base mounting portion, wherein the base mounting portion is detachably and fixedly connected with the base through a second fastener, the base mounting portion is located at the rear side of the vibration isolator connecting portion, and the base mounting portion is pressed on the vibration isolator connecting portion.
Preferably, the vibration isolator connecting portion has a stepped structure, and the base mounting portion has a press portion that is fitted with the stepped structure.
Preferably, the second fastening piece is a second bolt and a second nut, the head of the second bolt is located at the top side of the base, and the second nut is limited on the base along the circumferential direction of the second nut.
Preferably, the second nut is a bar nut, and the base is provided with a limiting groove for limiting the bar nut along the circumferential direction of the bar nut.
Preferably, the second fastening piece is a second bolt and a second nut, the head of the second bolt is located on the top side of the base, the base is provided with a through hole for the second bolt to pass through, and the through hole is a non-threaded hole.
According to the vibration isolator mounting structure, the vibration isolator and the base are improved, the vibration isolator connecting part is provided with the vibration isolator connecting body positioned at the front part of the base, and the vibration isolator connecting body is detachably and fixedly connected with the base through the first fastening piece, so that the whole vibration isolator is detachably and fixedly connected with the base through the first fastening piece.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an installation of a vibration isolator provided in the prior art;
fig. 2 is a schematic structural view of an installation structure of an isolator according to an embodiment of the present invention;
FIG. 3 is a schematic view of the installation of the vibration isolator in the vibration isolator mounting structure of FIG. 2;
fig. 4 is a schematic structural view of another vibration isolator mounting structure according to an embodiment of the present invention;
fig. 5 is a schematic view of a part of a structure of an isolator mounting structure according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a second nut in the vibration isolator mounting structure according to the embodiment of the present invention;
fig. 7 is a schematic structural view of a first nut in the vibration isolator mounting structure according to the embodiment of the present invention;
fig. 8 is a schematic view illustrating installation of a first nut in the vibration isolator installation structure according to the embodiment of the present invention;
fig. 9 is a side view of the structure shown in fig. 8.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 2 to 9, the vibration isolator mounting structure provided by the embodiment of the invention includes: a base 4 and a vibration isolator 2; wherein, the vibration isolator 2 comprises an isolator body 21 and an isolator connecting part 22 which are fixedly connected; the isolator coupler 22 has an isolator coupler 221 located at the front of the base 4, the isolator coupler 221 being removably and fixedly coupled to the base 4 by a first fastener, with the head of the first fastener being located at the front of the base 4.
It will be appreciated that the isolator body 21 includes the steel wire of the isolator 2, and the front portion of the base 4 is the front portion of the apparatus 1 to which the isolator 2 is to be mounted. One end of the vibration isolator 2 is connected with the base 4, and the other end of the vibration isolator 2 is connected with the equipment 1 to be damped. The vibration isolator connecting portion 22 is located above the base 4, and the base 4 supports the vibration isolator connecting portion 22. The specific structure and type of the above-described apparatus 1 and the application field of the above-described apparatus 1 are selected according to actual needs, and this embodiment is not limited thereto.
According to the vibration isolator mounting structure provided by the embodiment of the invention, through improving the structures of the vibration isolator 2 and the base 4, the vibration isolator connecting part 22 is provided with the vibration isolator connecting body 221 positioned at the front part of the base 4, and the vibration isolator connecting body 221 is detachably and fixedly connected with the base 4 through the first fastening piece, so that the whole vibration isolator 2 is detachably and fixedly connected with the base 4 through the first fastening piece, and as the first fastening piece is positioned at the front part of the base 4, the operation can be performed at the front part of the base 4 to realize the mounting and replacement of the vibration isolator 2.
In the vibration isolator mounting structure, the first fastener may be a screw, a bolt, a screw rod or the like. For ease of installation and replacement, the first fastener preferably comprises a first bolt 3 and a first nut 5, the head of the first bolt 3 being located at the front of the base 4. Further, the first nut 5 is retained on the base 4 in its circumferential and axial directions. In this way, during the tightening and loosening of the first bolt 3, the first nut 5 does not need to be operated with a wrench. Therefore, the requirement on the installation space is further reduced, and the difficulty in installing and replacing the vibration isolator 2 is further reduced.
It can be understood that the first nut 5 is provided with a threaded hole, the circumferential direction of the first nut 5 is the circumferential direction of the threaded hole, and the axial direction of the first nut 5 is the axial direction of the threaded hole.
For the convenience of limiting, the first nut 5 is a bar nut. At this time, the base 4 has a limiting structure for limiting the bar nut along the circumferential direction of the bar nut, and the limiting structure may be a limiting hole or a limiting groove. For easy installation and disassembly, the above-mentioned limit structure is preferably selected to be a limit hole, one end of the bar nut is provided with a protruding portion 51, the inner wall of the limit hole is provided with a limit plate 42 contacting with the protruding portion 51 to limit the bar nut from separating from the limit hole, and the limit plate 42 is located at the bottom side of the protruding portion 51, as shown in fig. 7 and 8. At this time, the first nut 5 is embedded in the base 4.
In the above-described structure, the first nut 5 is erected on the limiting plate 42 through the protruding portion 51, so that the installation and removal of the bar-shaped nut is not performed. As shown in fig. 8 and 9, the first nut 5 is put in the depth direction of the limiting hole to complete the installation of the first nut 5.
When the first fastener includes the first bolt 3 and the first nut 5, the base 4 may be provided with a screw hole through which the first bolt 3 passes. In order to avoid abrasion of the base 4 after long use due to the installation of the vibration isolator 2, it is preferable that the base 4 is provided with a through hole through which the first bolt 3 passes, and the through hole is a non-threaded hole, i.e., the inner wall of the through hole on the base 4 through which the first bolt 3 passes is not threaded. In this way, the contact and friction between the first bolt 3 and the base 4 are reduced or even eliminated, thereby avoiding wear of the base 4 after prolonged use due to the installation of the vibration isolator 2; meanwhile, after the vibration isolator 2 is replaced, the installation requirement of the vibration isolator 2 is conveniently guaranteed, so that the base 4 is guaranteed not to lose efficacy after the vibration isolator 2 is replaced for a plurality of times, and the influence on the stability and vibration reduction effect of the whole structure is reduced.
The specific structure of the base 4 is designed according to actual needs, and this embodiment is not limited thereto. To facilitate the mounting of the vibration isolator 2, the base 4 is provided with a support surface 41 which is located on the bottom side of the isolator coupler 221 and supports the isolator coupler 221. In this way, the support surface 41 can support the isolator connector 221 during installation, facilitating a secure connection of the isolator connector 221.
Of course, the structure of the base 4 for supporting the vibration isolator connecting body 221 may be alternatively omitted, and is not limited to the above embodiment.
In order to further optimize the above technical solution, the vibration isolator mounting structure further includes a base mounting portion 7, the base mounting portion 7 is detachably and fixedly connected with the base 4 through a second fastener, the base mounting portion 7 is located at the rear side of the vibration isolator connecting portion 22, and the base mounting portion 7 is pressed on the vibration isolator connecting portion 22.
In the above structure, the base mounting portion 7 is pressed against the vibration isolator connecting portion 22, that is, the base mounting portion 7 presses the vibration isolator connecting portion 22 against the base 4, so that the vibration isolator connecting portion 22 is restricted from moving in the vertical direction by the base mounting portion 7, the fixation of the vibration isolator 2 is further enhanced, and the stability is improved.
For easy installation, the vibration isolator connecting portion 22 has a stepped structure 222, and the base mounting portion 7 has a press portion 71 that is fitted to the stepped structure 222. Further, the press portion 71 and the step structure 222 are interference fit.
Preferably, the top surface of the vibration isolator attachment portion 22 is flush with the top surface of the base mounting portion 7. In this way, the second fastener is facilitated to be operated. Further, the base mounting portion 7 is provided with a through hole for the second fastening member to pass through, and the through hole is a counter bore, so that the space at the top of the second fastening member can be effectively increased, and the second fastening member can be further conveniently operated.
The type of the second fastener is selected according to practical needs, for example, the second fastener is a bolt, a screw rod or the like. For easy installation and replacement, the second fastening member is a second bolt 8 and a second nut 6, the head of the second bolt 8 is located at the top side of the base 4, and the second nut 6 is limited on the base 4 along the circumferential direction thereof.
For the convenience of limiting, the second nut 6 is a bar nut, and the base 4 has a limiting groove for limiting the bar nut along the circumferential direction of the bar nut.
It will be appreciated that the second nut 6 is provided with a threaded hole, the circumferential direction of the second nut 6 is the circumferential direction of the threaded hole, and the axial direction of the second nut 6 is the axial direction of the threaded hole.
Of course, a structure other than the limiting groove may be selected to limit the second nut 6 in the circumferential direction of the second nut 6; the second nut 6 may be alternatively shaped, for example, square, which is not limited in this embodiment.
When the second fastening member is a second bolt 8 and a second nut 6, the base 4 may be provided with a threaded hole through which the second bolt 8 passes. In order to avoid wear of the base 4 after prolonged use due to the mounting of the vibration isolator 2, it is preferred that the base 4 is provided with a through hole through which the second bolt 8 passes, the through hole being a non-threaded hole, i.e. the inner wall of the through hole is non-threaded. In this way, the contact and friction between the second bolt 8 and the base 4 are reduced or even eliminated, thereby avoiding wear of the base 4 after prolonged use due to the installation of the vibration isolator 2; meanwhile, after the vibration isolator 2 is replaced, the installation requirement of the vibration isolator 2 is conveniently guaranteed, the base 4 is guaranteed not to lose efficacy after the vibration isolator 2 is replaced for many times, and the influence on the stability and vibration reduction effect of the whole structure is reduced.
When the first nut 5 and/or the second nut 6 are/is a bar-shaped nut, the number of screw holes in the bar-shaped nut may be one or two or more. In order to improve stability, at least two threaded holes of the strip-shaped nut are preferably selected, and the threaded holes are sequentially distributed along the length direction of the strip-shaped nut.
For ease of manufacture, the strip nut is a metal plate. Of course, the strip nut may be selected from other types, which is not limited in this embodiment.
The strip nut is used in a narrow space and in a place difficult to be accessed by a fastening tool.
To further explain the vibration isolator mounting structure provided in the present embodiment, the following describes the mounting process of the vibration isolator 2 according to one structure of the vibration isolator mounting structure:
the base mounting part 7 is fixed on the base 4 through the second bolt 8 and the second nut 6; then the first nut 5 is put into the limit hole of the base 4, and the convex part 51 of the first nut 5 falls on the limit plate 42; then the vibration isolator body 21 and the vibration isolator connecting part 22 are knocked into the base 4, so that the step structure 222 of the vibration isolator body 21 is in interference fit with the press-setting part 71 of the base mounting part 7, zero clearance is ensured after the vibration isolator connecting part 22 and the base 4 are mounted, the second bolt 8 is pried, and the fastening moment of the second bolt 8 is increased; and then the vibration isolator connecting part 22 and the base 4 are fixedly connected by the first bolt 3 and the first nut 5, so that the installation is completed.
The vibration isolator mounting structure has excellent performance through mechanical experiments such as vibration, impact and swing, and is particularly suitable for use environments with severe requirements on installation and maintenance in offshore master control rooms.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. An isolator mounting structure, comprising: a base (4) and a vibration isolator (2); the vibration isolator (2) comprises a vibration isolator body (21) and a vibration isolator connecting part (22) which are fixedly connected; the vibration isolator connecting part (22) is provided with a vibration isolator connecting body (221) positioned at the front part of the base (4), the vibration isolator connecting body (221) is detachably and fixedly connected with the base (4) through a first fastener, and the head part of the first fastener is positioned at the front part of the base (4);
the first fastener comprises a first bolt (3) and a first nut (5), the head of the first bolt (3) is positioned at the front part of the base (4), and the first nut (5) is limited on the base (4) along the circumferential direction and the axial direction of the first nut;
the first nut (5) is a strip-shaped nut, and the base (4) is provided with a limiting hole for limiting the strip-shaped nut along the circumferential direction of the strip-shaped nut; the inner wall of the limit hole is provided with a limit plate (42) which is in contact with the bulge (51) to limit the strip-shaped nut to be separated from the limit hole, and the limit plate (42) is positioned at the bottom side of the bulge (51);
the base (4) is provided with a through hole for the first bolt (3) to pass through, and the through hole is a non-threaded hole;
the base (4) is provided with a supporting surface (41) which is positioned at the bottom side of the vibration isolator connecting body (221) and supports the vibration isolator connecting body (221);
the vibration isolator mounting structure further comprises a base mounting part (7), wherein the base mounting part (7) is detachably and fixedly connected with the base (4) through a second fastener, the base mounting part (7) is positioned at the rear side of the vibration isolator connecting part (22), and the base mounting part (7) is pressed on the vibration isolator connecting part (22);
the vibration isolator connecting part (22) is provided with a step structure (222), and the base mounting part (7) is provided with a pressing part (71) matched with the step structure (222);
the second fastening piece is a second bolt (8) and a second nut (6), the head of the second bolt (8) is located at the top side of the base (4), and the second nut (6) is limited on the base (4) along the circumferential direction of the second nut.
2. The vibration isolator mounting structure according to claim 1, wherein the second nut (6) is a bar nut, and the base (4) has a limit groove that limits the bar nut in a circumferential direction of the bar nut.
3. The vibration isolator mounting structure according to claim 1 or 2, wherein the base (4) is provided with a through hole through which the second bolt (8) passes, the through hole being a non-threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010674344.6A CN113931967B (en) | 2020-07-14 | 2020-07-14 | Vibration isolator mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010674344.6A CN113931967B (en) | 2020-07-14 | 2020-07-14 | Vibration isolator mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113931967A CN113931967A (en) | 2022-01-14 |
| CN113931967B true CN113931967B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010674344.6A Active CN113931967B (en) | 2020-07-14 | 2020-07-14 | Vibration isolator mounting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN113931967B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013122297A (en) * | 2011-12-12 | 2013-06-20 | Kurashiki Kako Co Ltd | Vibration-proof frame |
| CN104625780A (en) * | 2013-11-11 | 2015-05-20 | 大隈株式会社 | Chattering vibration preventing jig for workpiece |
| CN103911945A (en) * | 2014-04-21 | 2014-07-09 | 苏州海德工程材料科技有限公司 | Support freely adjustable in height |
| JP2018189174A (en) * | 2017-05-09 | 2018-11-29 | 株式会社ナベヤ | Vibration control frame and fixation structure thereof |
| CN208222000U (en) * | 2018-05-09 | 2018-12-11 | 苏州瑞之弘空气净化有限公司 | A kind of novel electromechanical engineering equipment mounting seat |
| CN210799597U (en) * | 2019-08-08 | 2020-06-19 | 卡特彼勒（青州）有限公司 | Mounting assembly and machine comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113931967A (en) | 2022-01-14 |
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