CN206988711U - A kind of damping noise reduction lower margin - Google Patents
A kind of damping noise reduction lower margin Download PDFInfo
- Publication number
- CN206988711U CN206988711U CN201720887678.5U CN201720887678U CN206988711U CN 206988711 U CN206988711 U CN 206988711U CN 201720887678 U CN201720887678 U CN 201720887678U CN 206988711 U CN206988711 U CN 206988711U
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- mandrel
- base
- locking lid
- caping
- metal rubber
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Abstract
A kind of damping noise reduction lower margin, including base, upper locking lid and mandrel；Base is made up of upper and lower two base portion, and the lateral surface of upper bed-plate part is provided with external screw thread, and the center of base is provided with mounting hole；Upper locking lid is made up of caping and gusset side, and the medial surface on gusset side is provided with internal thread, and caping is provided with mandrel and stretches out hole；Mandrel is made up of upper and lower two mandrels section, and upper mandrel section is threaded rod structure, and lower mandrel section is polished rod structure, and annular protrusion band is provided with lower mandrel section；Upper locking lid is affixed by internal and external threads with base, and mandrel installation cavity is formed between upper locking lid and base, and lower mandrel section is placed in mandrel installation cavity, and upper mandrel section is stretched out from the upper end of upper locking lid；Caping is provided with upper metal rubber blanket between annular protrusion band, and the mandrel of caping, which is stretched out in hole, is provided with upper metal rubber sleeve；Lower metal rubber blanket is installed between annular protrusion band and the cascaded surface of mounting hole, lower metal rubber sleeve is installed in the small diameter bore of mounting hole.This lower margin has damping noise reduction effect.
Description
Technical field
The lower support structure of device is the utility model is related to, more particularly to a kind of damping noise reduction lower margin.
Background technology
Lower margin be in plant equipment, electric equipment frequently with the lower support structure contacted with ground or base surface.It is existing
Some ground leg structure is mainly made up of the chassis contacted with ground and the adjusting screw rod of connecting base plate, and there is metal bottom on common chassis
Disk, rubber chassis, nylon chassis etc..Existing lower margin can realize the adjustment of bearing height within the specific limits, and it is mainly applicable
When equipment is run, in the shockproof and generation of noise or caused vibrations and the less equipment of noise, and for as transformer
For the equipment for operationally producing larger vibrations and noise, the transmission of vibrations earthward is reduced, while is realized certain
Noise reduction, caused vibrations and noise in itself when on the one hand needing to reduce transformer station high-voltage side bus, on the other hand need to reduce to become
Depressor contacts vibrations and noise caused by resonance with ground, and is limited to the operation principle of transformer, reduces itself work and produces
Vibrations and noise be extremely difficult, it is or even difficult to realize, therefore, the mode key point for reducing vibrations and noise be reduce or
The needs of damping and noise reduction can not be met by eliminating vibrations caused with ground resonance and noise, existing lower margin equipment.
The content of the invention
The utility model provides one kind for technical problem present in solution known technology can reach preferable damping effect
Fruit while the damping noise reduction lower margin that noise can be reduced.
The utility model is adopted the technical scheme that to solve technical problem present in known technology：
A kind of damping noise reduction lower margin, it is characterised in that：Including base, upper locking lid and mandrel；
Base is made up of upper bed-plate part and lower base portion, and the lateral surface of upper bed-plate part is the face of cylinder, in upper bed-plate
External screw thread is provided with partial lateral surface, mounting hole vertically, the installation are provided with the center of base
Hole is up big and down small shoulder hole；
The upper locking lid is formed by caping and with the gusset side of the edge integrally connected of caping, and gusset side is cylindrical,
Internal thread is provided with the medial surface on gusset side, the mandrel being coaxially disposed with gusset side is provided with caping and stretches out hole；
The mandrel is made up of the upper mandrel section and lower mandrel section of upper and lower integrally connected, and upper mandrel section is threaded rod structure,
Lower mandrel section is polished rod structure, and the position close to middle part in lower mandrel section has been wholely set annular protrusion band or fixed installation
There is annular protrusion band；
The upper locking lid passes through the internal thread being arranged on gusset side and the outer spiral shell being located on upper bed-plate part with base
Line is fixedly connected, and mandrel installation cavity is formed between upper locking lid and base, and the lower mandrel section is placed in mandrel installation cavity, institute
State and fit clearance is left between the lateral surface of annular protrusion band and the large diameter hole of mounting hole, the upper mandrel section is from upper locking lid
Upper end stretch out；Upper metal rubber blanket is installed between the lower end of caping and the upper end of annular protrusion band, in the core of caping
Shaft extension is provided with upper metal rubber sleeve in portalling, and the upper metal rubber sleeve is sheathed on lower mandrel of the annular protrusion with top
Duan Shang；Lower metal rubber blanket is installed between the lower end of annular protrusion band and the cascaded surface of mounting hole, in the small of mounting hole
Lower metal rubber sleeve is installed, the lower metal rubber sleeve is sheathed on lower mandrel section of the annular protrusion with bottom in diametric hole
On.
Preferably：Nut is connected with upper mandrel section, nut is pressed on the upper end of locking lid.
Preferably：The lower base portion uses the disc-shaped structure being coaxially disposed with upper bed-plate part.
The utility model has the advantages and positive effects of：
The utility model by base with it is upper locking cap-shaped into mandrel installation cavity in set upper and lower part metal-rubber pad
With upper and lower part metal-rubber set, lower mandrel section is set to be respectively formed in axial direction and radially with upper locking lid and bottom seat
It is completely isolated, so, by the metal rubber piece at four positions can abatement apparatus and ground resonance generation, so as to realize damping
With the purpose of noise reduction.
Brief description of the drawings
Fig. 1 is sectional side elevation of the present utility model；
Fig. 2 is the schematic diagram that Fig. 1 center bases are connected with upper locking lid；
Fig. 3 is top view of the present utility model；
Fig. 4 is stereogram of the present utility model；
Fig. 5 is use state reference chart of the present utility model.
In figure：1st, base；1-1, upper bed-plate part；1-2, lower base portion；1-3, mounting hole；2nd, upper locking lid；2-1、
Caping；2-1-1, mandrel stretch out hole；2-2, gusset side；3rd, mandrel；3-1, upper mandrel section；3-2, lower mandrel section；3-3, convex annular
Play band；4th, mandrel installation cavity；5th, upper metal rubber blanket；6th, upper metal rubber sleeve；7th, lower metal rubber blanket；8th, bottom gold
Belong to rubber sleeve；9th, nut；1 ', transformer.
Embodiment
For invention, features and effects of the present utility model can be further appreciated that, following examples are hereby enumerated, and coordinate
Accompanying drawing describes in detail as follows：
Refer to Fig. 1-5, a kind of damping noise reduction lower margin, including base 1, upper locking lid 2 and mandrel 3.
Base is made up of upper bed-plate part 1-1 and lower base portion 1-2, wherein, lower base portion is and ground or support
The part of base surface contact, upper bed-plate part is the part being connected with upper locking lid.The lateral surface of upper bed-plate part is the face of cylinder,
External screw thread is provided with the lateral surface of upper bed-plate part.Mounting hole 1- vertically is provided with the center of base
3, the mounting hole is up big and down small shoulder hole.
The upper locking lid is formed by caping 2-1 and with the gusset side 2-2 of the edge integrally connected of caping.Gusset side is in circle
Column, internal thread is provided with the medial surface on gusset side, and the mandrel being coaxially disposed with gusset side is provided with caping and is stretched out
Hole 2-1-1.
The mandrel is made up of the upper mandrel section 3-1 and lower mandrel section 3-2 of upper and lower integrally connected, and upper mandrel section is threaded rod
Structure, lower mandrel section are polished rod structure, and in lower mandrel section close to middle part position be wholely set annular protrusion band 3-3 or
Annular protrusion band is installed with, specifically, annular protrusion band can be integrally machined shaping with mandrel, also can be by independent machine-shaping
Annulus part be fixed on the setting position of lower mandrel section, form circular protrusions band.
The upper locking lid passes through the internal thread being arranged on gusset side and the outer spiral shell being located on upper bed-plate part with base
Line is fixedly connected, and mandrel installation cavity 4 is formed between upper locking lid and base.The lower mandrel section is placed in mandrel installation cavity,
Fit clearance is left between the lateral surface of annular protrusion band and the large diameter hole of mounting hole.The upper mandrel section is from upper locking lid
Upper end is stretched out.Upper metal rubber blanket 5 is installed between the upper end of annular protrusion band and the lower end of caping, in the mandrel of caping
Stretch out in hole and upper metal rubber sleeve 6 is installed, the upper metal rubber sleeve is sheathed on lower mandrel of the annular protrusion with top
Duan Shang.Lower metal rubber blanket 7 is installed between the lower end of annular protrusion band and the cascaded surface of mounting hole, in the small of mounting hole
Lower metal rubber sleeve 8 is installed, the lower metal rubber sleeve is sheathed on lower mandrel of the annular protrusion with bottom in diametric hole
Duan Shang.
In above-mentioned damping noise reduction lower margin：Nut 9 is further connected with upper mandrel section, nut is pressed on locking lid
Upper end.The quantity of nut can be one or more, set connection of the nut to upper locking lid and base to serve locking reinforcement
Effect.
In above-mentioned damping noise reduction lower margin：The lower base portion is preferably discoid using being coaxially disposed with upper bed-plate part
Structure.In addition, lower base portion can also use the other shapes such as square chassis.
This damping noise reduction lower margin can be used instead of existing common support lower margin, its be particularly suitable for use in generation vibrations or
The lathe of noise, equipment, such as, the bottom for transformer 1 ' supports, specifically, in four corner locations of transformer bottom
One damping noise reduction lower margin is respectively set, and the upper mandrel section of mandrel and the bottom of transformer connect, lower base portion and ground or base
Plinth face contacts, and if necessary, also can be fixedly connected with lower base portion with ground or base surface.
Claims (3)
- A kind of 1. damping noise reduction lower margin, it is characterised in that：Including base, upper locking lid and mandrel；Base is made up of upper bed-plate part and lower base portion, and the lateral surface of upper bed-plate part is the face of cylinder, in upper bed-plate part Lateral surface on be provided with external screw thread, mounting hole vertically is provided with the center of base, the mounting hole is Up big and down small shoulder hole；The upper locking lid is formed by caping and with the gusset side of the edge integrally connected of caping, and gusset side is cylindrical, in side Internal thread is provided with the medial surface of surrounding edge, the mandrel being coaxially disposed with gusset side is provided with caping and stretches out hole；The mandrel is made up of the upper mandrel section and lower mandrel section of upper and lower integrally connected, and upper mandrel section is threaded rod structure, lower core Shaft part is polished rod structure, and the position close to middle part in lower mandrel section has been wholely set annular protrusion band or has been installed with ring Shape projection band；The upper locking lid is consolidated with base by the internal thread being arranged on gusset side and the external screw thread being located on upper bed-plate part Fixed connection, forms mandrel installation cavity between upper locking lid and base, and the lower mandrel section is placed in mandrel installation cavity, the ring Leave fit clearance between the lateral surface of shape projection band and the large diameter hole of mounting hole, the upper mandrel section is from the upper of upper locking lid End is stretched out；Upper metal rubber blanket is installed between the lower end of caping and the upper end of annular protrusion band, stretched in the mandrel of caping Upper metal rubber sleeve is installed in portalling, the upper metal rubber sleeve is sheathed on lower mandrel section of the annular protrusion with top On；Lower metal rubber blanket is installed between the lower end of annular protrusion band and the cascaded surface of mounting hole, in the small straight of mounting hole Lower metal rubber sleeve is installed, the lower metal rubber sleeve is sheathed on lower mandrel section of the annular protrusion with bottom in the hole of footpath On.
- 2. damping noise reduction lower margin according to claim 1, it is characterised in that：Nut, nut are connected with upper mandrel section It is pressed on the upper end of locking lid.
- 3. damping noise reduction lower margin according to claim 1, it is characterised in that：The lower base portion uses and upper bed-plate portion Divide the disc-shaped structure being coaxially disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720887678.5U CN206988711U (en) | 2017-07-20 | 2017-07-20 | A kind of damping noise reduction lower margin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720887678.5U CN206988711U (en) | 2017-07-20 | 2017-07-20 | A kind of damping noise reduction lower margin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988711U true CN206988711U (en) | 2018-02-09 |
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ID=61416532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720887678.5U Active CN206988711U (en) | 2017-07-20 | 2017-07-20 | A kind of damping noise reduction lower margin |
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| Country | Link |
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| CN (1) | CN206988711U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420690A (en) * | 2017-07-20 | 2017-12-01 | 河北工业大学 | A kind of damping noise reduction lower margin |
| CN113864379A (en) * | 2021-09-24 | 2021-12-31 | 福州大学 | Second grade bridge isolator based on metal rubber |
-
2017
- 2017-07-20 CN CN201720887678.5U patent/CN206988711U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420690A (en) * | 2017-07-20 | 2017-12-01 | 河北工业大学 | A kind of damping noise reduction lower margin |
| CN113864379A (en) * | 2021-09-24 | 2021-12-31 | 福州大学 | Second grade bridge isolator based on metal rubber |
| CN113864379B (en) * | 2021-09-24 | 2023-12-08 | 福州大学 | Secondary bridge vibration isolator based on metal rubber |
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