CN105841879B - Pressure gage anti-vibration and vibration damping device - Google Patents
Pressure gage anti-vibration and vibration damping device Download PDFInfo
- Publication number
- CN105841879B CN105841879B CN201610272964.0A CN201610272964A CN105841879B CN 105841879 B CN105841879 B CN 105841879B CN 201610272964 A CN201610272964 A CN 201610272964A CN 105841879 B CN105841879 B CN 105841879B
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- Prior art keywords
- inner tube
- housing
- pressure
- vibration
- pad
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0609—Pressure pulsation damping arrangements
Abstract
The present invention relates to a pressure gage anti-vibration and vibration damping device. The objective of the invention is to mainly solve the problems that the machine pump is inaccurate in pressure admission caused by the vibration of a pressure gage and the pressure gage is damaged in the prior art. A housing (3) is internally provided with an inner tube (10), and two cavities communicated up and down are formed between the housing (3) and the inner tube (10); an upper anti-dropping pad (8) and a plurality of buffer pads (7) are arranged in order from down to up in the upper cavity, and a lower anti-dropping pad (9), a rubber cup (11) and a compaction pad (12) are arranged in order from up to down in the lower cavity; and a damp plug (14) is arranged in the lower end of the inner tube (10), an oil storage capsule (6) is arranged at the interior of the upper section of the inner tube (10), and a capsule support (5) is arranged at the inner side of the upper portion of the oil storage capsule (6). The pressure gage anti-vibration and vibration damping device is able to mitigate the vibration of a pressure gage and reduce the impact of the pulse voltage to the pressure gage so as to make the pressure admission accurate and mitigate the damaging of the pressure gage.
Description
Technical field
The present invention relates to mechanical field, specifically a kind of pressure gauge vibrationproof vibration absorber.
Background technology
In all trades and professions production process, all kinds of pumps play an important role, pumped (conveying) medium or make medium increase pressure, i.e.,
The mechanical energy of prime mover is changed into medium energy, so as to reach the purpose of pumped medium.Ran in pump, admission is situated between
Matter pressure is the important means for monitoring pump and relevant device operation conditions.But in equipment running process, pressure gauge can not be kept away
Produce vibration with exempting from, manometric vibratory impulse is essentially from two aspects：1st, the mechanical vibration of pump operation：In pump operation
During, in prime mover itself operation process, due to rotor itself dynamic balancing and the part factor such as bearing produce vibration.
The factors such as the running gear dynamic balancing such as pump that prime mover is driven, fastening, lubrication, structure and institute's pumped (conveying) medium can be produced
Vibration.2nd, the pressure pulse of pumped (conveying) medium：Pump as pumped (conveying) medium power source, the stationarity of operating, the frequency that structure is caused
Forthright and institute's pumped (conveying) medium property, situation etc., gassiness factor such as in medium, can cause discharge pressure produce rule or
Erratic pulse ripple.Due to mechanical vibration and pressure pulse, so as to produce vibration and compression shock to pressure gauge, formed
Pressure gauge body vibration, and pressure indicating section high-frequency fluctuation, cause pressure recording inaccurate, pressure gauge premature breakdown, from
And monitoring is lost to machine operation, affect production.
The content of the invention
In order to overcome existing pump to cause because pressure gauge vibrates, pressure recording is inaccurate, pressure gauge is damaged not
Foot, the present invention provides a kind of pressure gauge vibrationproof vibration absorber, and the pressure gauge vibrationproof vibration absorber can ease off the pressure the vibration of table,
Pulsating pressure is reduced to manometric impact, make pressure recording accurately, the damage of the table that eases off the pressure.
The technical scheme is that：A kind of pressure gauge vibrationproof vibration absorber, including housing, the enclosure interior is ladder
Cylinder, is equipped with inner tube inside it, inner tube outer surface is ladder circle cylindricality, upper and lower two is formed between housing and inner tube and is communicated
Cavity, is equipped with successively from the bottom to top anticreep pad and several cushion pads in upper cavity, and cushion pad top is by being connected to housing
On pressure cap fix；Lower anticreep pad, glue bowl, clamping pad are from top to bottom equipped with successively in lower cavity between housing and inner tube,
It is bowl-shape that the glue bowl is that Open Side Down, and its underpart edge is contacted with inner walls, the top bowl bottom of the clamping pad and glue bowl
Contact, and clamping pad bottom is fixed by the clamp nut being connected with inner tube；Damping plug is equipped with inside said inner tube lower end, it is described
Damping plug middle part vertical direction is provided with the obstructed central blind hole in top, and on the corresponding side wall of central blind hole side wall aperture is provided with；
Intrasegmental part is equipped with oil storage capsule in said inner tube, and oil storage capsule upper inner is equipped with capsule support.
The buffering ball being made up of rubber grain is equipped between described two cushion pads.
Said inner tube top is provided with pressure tapping, and the capsule support top is equipped with sealing gasket.
Pressure channel is provided with the lower housing section inside center, and housing lower surface is provided with sealing ring.
The present invention has the advantages that：Due to taking such scheme, the housing to set built with inner tube, inner tube bottom
There is glue bowl, and be connected with inner tube by clamp nut；Inner tube bottom center studs with damping plug in hole；Subordinate enters oil storage glue in inner tube
Capsule, subordinate enters capsule support on capsule, and capsule support top is sealing gasket.Inner tube topmost is pressure tapping, during connection pressure gauge
Hydraulic oil will be filled in the flat bent bourdon tube of oil storage capsule and pressure gauge, pressure is transmitted, while completely cutting off with capsule bottom.Outside inner tube
If being cased with arterial highway cushion pad between housing, cushion pad top is pressure cap, and pressure cap is connected by screw thread with housing, by above-mentioned part
It is defined in housing.The device by glue bowl seal upper and lower cavity, and with the flexible connection between cushion pad formed inner tube and shell, subtract
Few vibration equipment is transmitted to pressure gauge；And damping action is produced by damping plug, pressure pulse is reduced to manometric impact, from
And guarantee to enroll the accuracy of pressure and prolongation pressure gauge service life.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
1- pressure tappings in figure, 2- pressure caps, 3- housings, 4- sealing gaskets, the support of 5- capsules, 6- oil storage capsules, 7- cushion pads,
The upper anticreep pads of 8-, anticreep pad under 9-, 10- inner tubes, 11- glue bowls, 12- clamping pads, 13- clamp nuts, 14- damping plugs, 15- cards
Spring, 16- pressure channels, 17- sealing rings, 18- buffering balls, 19- sides wall aperture, 20- central blind holes.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described：
As shown in Figure 1, a kind of pressure gauge vibrationproof vibration absorber, including housing 3, the inside of the housing 3 is ladder circle cylindricality,
It is equipped with inner tube 10 inside it, the outer surface of inner tube 10 is ladder circle cylindricality, height and the housing 3 of its ladder are adapted, and the two it
Between do not contact.So, upper and lower two cavitys are formed between housing 3 and inner tube 10, and is communicated between two cavitys.In upper cavity
It is equipped with anticreep pad 8 and several cushion pads 7 successively from the bottom to top, the top of cushion pad 7 is consolidated by the pressure cap 2 being connected on housing 3
It is fixed, can compress cushion pad 7 by rotating pressure cap 2.Cushion pad 7 is constituted by 2-5, and one of cushion pad can be by buffering ball
18 replace, the buffering ball 18 by several small rubber set of balls into, in vibration, between small rubber ball up and down, left and right can be with
There is a small amount of displacement, so that effectiveness in vibration suppression is more preferable.From top to bottom it is equipped with successively in lower cavity between housing 3 and inner tube 10
Lower anticreep pad 9, glue bowl 11, clamping pad 12, the glue bowl 11 is bowl-shape for what Open Side Down, and the edge of glue bowl 11 is convex downwards
Go out, and edge contacts with the inwall of housing 3, and center is plane；The clamping pad 12 and the top bowl of the center of glue bowl 11
Baseplane contacts, and the bottom of clamping pad 12 is fixed by the clamp nut 13 being connected with inner tube 10；The bottom of clamp nut 13 is by card
Spring 15 is further fixed.The lower end center of said inner tube 10 is provided with axial elongated hole, and damping plug 14, the resistance are equipped with inside elongated hole
It is stairstepping that Buddhist nun fills in 14 outer surfaces, and the middle part vertical direction of damping plug 14 is provided with the obstructed central blind hole 20 in top, central blind hole 20
It is provided with side wall aperture 19 on corresponding side wall, side wall aperture 19 connects central blind hole 20 with the center of inner tube 10.The housing 3
Pressure channel 16 is provided with hypomere inside center, by the inside and outside connection of housing 3, the lower surface of housing 3 is provided with sealing to pressure channel 16
Circle 17.
Intrasegmental part is equipped with oil storage capsule 6 in said inner tube 10, and the outer wall of oil storage capsule 6 is contacted with the inwall of inner tube 10, and oil storage
The top shoulder of capsule 6 is stuck on the portion's shoulder in inner tube 10.The upper inner of oil storage capsule 6 is equipped with capsule support 5, capsule support 5
Top is equipped with sealing gasket 4.The top of said inner tube 10 is pressure tapping 1, during connection pressure gauge that oil storage capsule 6 and pressure gauge is flat
Hydraulic oil is filled in bent bourdon tube, pressure is transmitted, while completely cutting off with the bottom of oil storage capsule 6.
During installation, will inject after hydraulic oil, by pressure gauge and pressure in the inside of oil storage capsule 6 and the flat bent bourdon tube of pressure gauge
Meter connector 1 is attached；Then the lower thread of housing 3 is connected with pressure interface, and is sealed by sealing ring 17.Work as record
During pressure power, pressure valve is opened, pressure medium is entered inside housing 3 by the pressure channel 16 of the bottom of housing 3, and is acted on
The bottom of glue bowl 11, makes to put up the tight realization sealing inside housing 3 outside the outer of glue bowl 11, while promoting glue bowl 11 up, extrudes
Lower anticreep pad 9, drives inner tube 10, upper anticreep pad 8 up, compresses cushion pad 7, and inner tube 10 is overall up.As pump vibrates,
Vibration force is decayed by glue bowl 11 and cushion pad 7, inner tube 10, the vibration of pressure tapping 1 is reduced, so as to ease off the pressure
The vibration of table.Simultaneously pressure medium is entered after housing, by the central blind hole 20 on damping plug 14 and side wall aperture 19 to upload
Lead, compression oil storage capsule 6 makes the internal hydraulic pressure oil compression of oil storage capsule 6, and inside pressure conduction to pressure gauge, pressure gauge shows
Pressure, and media flow is slowed down by the damping action of the upper side wall aperture 19 of damping plug 14, reduce pulsating pressure frequency.Exist simultaneously
Under the cushioning effect of oil storage capsule 6, high-frequency impulse pressure is filtered again, reduce pressure gauge fluctuation.
Claims (4)
1. a kind of pressure gauge vibrationproof vibration absorber, including housing（3）, it is characterised in that：The housing（3）Inside is stepped cylindrical
Shape, is equipped with inner tube inside it（10）, inner tube（10）Outer surface be ladder circle cylindricality, housing（3）With inner tube（10）Between formed on
Anticreep pad is equipped with successively from the bottom to top in lower two cavitys for communicating, upper cavity（8）And several cushion pads（7）, buffering
Pad（7）Top is by being connected to housing（3）On pressure cap（2）It is fixed；Housing（3）With inner tube（10）Between lower cavity in by upper
It is equipped with lower anticreep pad successively under（9）, glue bowl（11）, clamping pad（12）, the glue bowl（11）It is bowl-shape for what Open Side Down, under it
Portion edge and housing（3）Inwall is contacted, the clamping pad（12）With glue bowl（11）The contact of top bowl bottom, and clamping pad（12）Under
Portion is by being connected with inner tube（10）On clamp nut（13）It is fixed；Said inner tube（10）Damping plug is equipped with inside lower end（14）, institute
State damping plug（14）Middle part vertical direction is provided with the obstructed central blind hole in top（20）, central blind hole（20）Open on corresponding side wall
There is side wall aperture（19）；
Said inner tube（10）Upper intrasegmental part is equipped with oil storage capsule（6）, oil storage capsule（6）Upper inner is equipped with capsule support（5）.
2. pressure gauge vibrationproof vibration absorber according to claim 1, it is characterised in that：Described two cushion pads（7）Between
It is equipped with the buffering ball being made up of rubber grain（18）.
3. pressure gauge vibrationproof vibration absorber according to claim 2, it is characterised in that：Said inner tube（10）Top is provided with pressure
Power meter connector（1）, the capsule support（5）Top is equipped with sealing gasket（4）.
4. pressure gauge vibrationproof vibration absorber according to claim 3, it is characterised in that：The housing（3）In lower intrasegmental part
Pressure channel is provided with the heart（16）, and housing（3）Lower surface is provided with sealing ring（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272964.0A CN105841879B (en) | 2016-04-28 | 2016-04-28 | Pressure gage anti-vibration and vibration damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272964.0A CN105841879B (en) | 2016-04-28 | 2016-04-28 | Pressure gage anti-vibration and vibration damping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105841879A CN105841879A (en) | 2016-08-10 |
| CN105841879B true CN105841879B (en) | 2017-05-03 |
Family
ID=56589395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610272964.0A Active CN105841879B (en) | 2016-04-28 | 2016-04-28 | Pressure gage anti-vibration and vibration damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105841879B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024319B (en) * | 2017-05-19 | 2019-06-07 | 青岛华青自动化仪表有限公司 | A kind of pressure ga(u)ge damper |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2547829A1 (en) * | 1975-10-25 | 1977-04-28 | Bosch Gmbh Robert | Manometer shock absorbing and damping mechanism - has gas sealed chamber and sintered metal support pad with separating wall |
| CN2039418U (en) * | 1988-10-25 | 1989-06-14 | 潘以文 | Vibration absorbing joints of general pressure meter |
| CN2114154U (en) * | 1991-12-05 | 1992-08-26 | 张少兰 | Shock isolator for pressure gauge |
| CN2758723Y (en) * | 2004-04-06 | 2006-02-15 | 杜道广 | Vibration-damping pressure-meter tube |
| CN2699271Y (en) * | 2004-04-22 | 2005-05-11 | 冯英立 | Vibration resisting and damping apparatus for pressure gauges |
| CN201955193U (en) * | 2010-12-07 | 2011-08-31 | 吕国富 | Damping device for pressure instrument |
| CN202853833U (en) * | 2012-10-31 | 2013-04-03 | 大庆因你美丽机械设备制造有限公司 | Pressure gage shockproof shock absorption device |
| CN205620077U (en) * | 2016-04-28 | 2016-10-05 | 大庆因你美丽机械设备制造有限公司 | Vibration resisting and damping apparatus for pressure gauges |
-
2016
- 2016-04-28 CN CN201610272964.0A patent/CN105841879B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105841879A (en) | 2016-08-10 |
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| CB03 | Change of inventor or designer information |
Inventor after: Liu Jiawang Inventor after: Ren Yongqing Inventor after: Zhang Youxing Inventor after: Wang Qi Inventor after: Liu Jiahao Inventor after: Liu Jiani Inventor after: Liu Jiaxing Inventor after: Jiang Xu Inventor after: Ren Xiangcai Inventor before: Liu Jiawang Inventor before: Ren Yongqing Inventor before: Zhang Youxing Inventor before: Wang Qi Inventor before: Liu Jiahao Inventor before: Liu Jiani Inventor before: Liu Jiaxing Inventor before: Ren Xiangcai |
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