CN105673988A - Damping device for pipeline - Google Patents
Damping device for pipeline Download PDFInfo
- Publication number
- CN105673988A CN105673988A CN201610144522.8A CN201610144522A CN105673988A CN 105673988 A CN105673988 A CN 105673988A CN 201610144522 A CN201610144522 A CN 201610144522A CN 105673988 A CN105673988 A CN 105673988A
- Authority
- CN
- China
- Prior art keywords
- hole
- vibration damper
- pad
- pipe vibration
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/041—Devices damping pulsations or vibrations in fluids specially adapted for preventing vibrations
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
- F16L55/02709—Throttle passages in the form of perforated plates
- F16L55/02718—Throttle passages in the form of perforated plates placed transversely
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
- F16L55/02754—Throttle passages using a central core throttling the passage
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides a damping device for a pipeline. The damping device comprises a casing, a supporting plate, a buffer cover, a spindle and a main elastic member, wherein the casing has an internal space; openings are separately formed in the upper end part and the lower end part of the casing; the supporting plate is provided with a spindle through hole and material discharging through holes around the periphery of the spindle through hole; the supporting plate is horizontally arranged in the internal space of the casing; the buffer cover is provided with a convex upper surface; the spindle is arranged in the spindle through hole; the upper end of the spindle and the lower surface of the buffer cover are connected; and the main elastic member sleeves the spindle to elastically support the spindle and the buffer cover.
Description
Technical field
The present invention relates to metal mine winning apparatus technical field, specifically, it relates to a kind of vibration-control system for pipeline.
Background technology
Producing a large amount of CHARACTERISTICS OF TAILINGS SAND in the ore dressing process of metal mine, owing to CHARACTERISTICS OF TAILINGS SAND granularity is little, output big, a large amount of CHARACTERISTICS OF TAILINGS SAND being deposited in ground can cause serious environmental pollution. Meanwhile, creating a large amount of worked-out sections, underground in the recovery process of metal mine, the accident that ground subsides may be caused in these worked-out sections, damages farmland and ground building, causes heavy economic losses to enterprise.
Usually; the way solving above two aspect problems adds the cementing tailings slurry of appropriate cement production systD in CHARACTERISTICS OF TAILINGS SAND; and by Cemented filling to worked-out section; so both solve tailings and pile up the problem causing environmental pollution on ground; the slurry of filling can be made again to support goaf top plate; thus stop surface subsidence, protection ground building and farmland facility. But, owing to metal mine mining depth has reached more than km at present, slurry freely falls to the speed at the bottom of pipe more than 110m/s along pipeline, and such high impact velocity adds the heavier-weight of slurry self, is easy to cause Pipeline damage. For this reason, it is necessary to design in pipeline bottom and vibration-control system is installed, absorb the impact energy of slurry, thus protective conduit.
Summary of the invention
The present invention is the above-mentioned technical problem existed to solve in prior art and makes, and its object is to provide a kind of pipe vibration damper that can absorb slurry impact energy, thus protective conduit.
In order to realize above-mentioned purpose, the present invention provides a kind of pipe vibration damper, comprising: housing, and described housing has internal space and described housing upper and lower end and is respectively equipped with opening; Back up pad, what described back up pad was provided with spindle through-hole and was centered around described spindle through-hole periphery lets out material through hole, and described back up pad level be arranged in the internal space of described housing; Buffering cover, described buffering cover has the upper surface of convex; Main shaft, described main shaft is arranged in described spindle through-hole, and the upper end of described main shaft is connected with the lower surface of described buffering cover; And main elasticity component, described main elasticity component is nested with on described main shaft flexibly to support described main shaft and described buffering cover.
The pipe vibration damper of the present invention, it is also possible to comprising: multiple auxiliary shaft through-hole, described multiple auxiliary shaft through-hole is disposed in described back up pad with identical;Multiple auxiliary axle, described in each, the lower end of auxiliary axle is through a described auxiliary shaft through-hole, and the upper end of auxiliary axle described in each is connected with the lower surface of described buffering cover; And multiple secondary resilient members, auxiliary axle described in each is arranged with a described secondary resilient members flexibly to support this auxiliary axle and described buffering cover.
In addition, the quantity of described multiple auxiliary shaft through-hole, described multiple auxiliary axle and described multiple secondary resilient members is four.
In addition, let out material through hole described in multiple is be formed in described back up pad annularly, muscle plate it is formed with respectively letting out described in adjacent two between material through hole, the region let out described in multiple between material through hole and described spindle through-hole is called as inner ring, the region let out described in multiple between material through hole and the outer edge of described back up pad is called as outer shroud, outer shroud described in described link of boards and described inner ring.
In addition, the pipe vibration damper of the present invention, comprises flexible guard further, and described flexible guard connects the outer edge of described buffering shroud rim and described inner ring.
In addition, the upper surface of described buffering cover is cone point cone upward.
In addition, the pipe vibration damper of the present invention also comprises: the first ring flange and the 2nd ring flange, first ring flange and the 2nd ring flange are separately fixed at the upper and lower end of described housing, described first ring flange is for being connected with the pipeline of top, and described 2nd ring flange is for being connected with the pipeline of lower section.
In addition, described housing has horizontally disposed flange, and the edge section of described back up pad is fixed in the flange of described housing.
The pipeline buffering device of the present invention can play the effect of the surging force of buffering slurry, such that it is able to protective conduit is not damaged by the surging force of slurry. In addition, the pipe vibration damper of the present invention is connected by the ring flange identical with the ring flange specification of pipeline, it is possible to be easily mounted in pipeline. Meanwhile, the back up pad of the pipe vibration damper of the present invention has the structure by link of boards outer shroud and inner ring, therefore lets out material through hole and can be formed bigger, thus ensures that slurry flows out smooth and easyly.
Accompanying drawing explanation
By reference to following embodiment and claim book content and by reference to the accompanying drawings, other object of the present invention and result will be understood and easy to understand more. In the accompanying drawings:
Fig. 1 is the sectional view of the pipe vibration damper of the present invention;
Fig. 2 is the orthographic plan of the back up pad of the pipe vibration damper of the present invention; And
Fig. 3 is the schematic diagram of the pipe vibration damper installation position in the duct illustrating the present invention.
In the accompanying drawings, identical the Reference numeral similar or corresponding feature or function of instruction.
Embodiment
In the following description, for purposes of illustration, in order to provide the complete understanding to one or more embodiment, many details have been set forth. However, it is apparent that can also when there is no to realize when these details these embodiments. In other example, one or more embodiment for convenience of description, known structure and equipment illustrate in block form an.
Come below with reference to accompanying drawings each embodiment according to the present invention to be described in detail.
Fig. 1 is the sectional view of the pipe vibration damper of the present invention. As shown in Figure 1, the pipe vibration damper of the present invention comprises: housing 2, back up pad 3, buffering cover 4, main elasticity component 51 and main shaft 8.
In addition, the pipe vibration damper of the present invention can also comprise the first ring flange 11 and the 2nd ring flange 12, first ring flange 11 and the 2nd ring flange 12 are separately fixed at the upper and lower end of housing 2, and the first ring flange 11 and the 2nd ring flange 12 are for being connected the pipeline of the pipe vibration damper of the present invention with conveying slurry.Specifically, the first ring flange 11 is connected for the pipeline with top, and the 2nd ring flange 12 is connected for the pipeline with lower section. Preferably, the first ring flange 11 and the 2nd ring flange 12 can be integrally formed with housing 2. Although the first ring flange 11 shown in the drawings and the 2nd ring flange 12, but they are optional. The pipe vibration damper of the present invention can by by two end access conduit of housing, such as, by other conventional technique means in the mode of welding or prior art, two ends of the housing of the pipe vibration damper of the present invention are welded in the pipe vibration damper access conduit by the present invention with the end of pipeline.
Fig. 3 is the schematic diagram of the pipe vibration damper installation position in the duct illustrating the present invention. As shown in Figure 3, usually, the vibration-control system of the present invention is installed on the position of the bottom near the vertical section of slurry transferring pipeline. But the present invention is not limited thereto, such as, it is also possible to be arranged at the middle section of vertical pipeline. In addition, it is also possible to the pipe vibration damper of multiple the present invention is set in same vertical pipeline. Such as, simultaneously in the middle position near the vertical section of slurry transferring pipeline, and the vibration-control system of the present invention is set near the position of the bottom of the vertical section of slurry transferring pipeline.
Preferably, the first ring flange 11 is identical with the ring flange specification of top pipeline, and the 2nd ring flange 12 is identical with the flange specification of lower section pipeline. Owing to the pipe vibration damper of the present invention is connected by the ring flange identical with the ring flange specification of pipeline, it is possible to be easily mounted in pipeline.
As shown in Figure 1, housing 2 has internal space, and back up pad 3, buffering cover 4, main elasticity component 51 and main shaft 8 are accommodated in the internal space of housing 2, and such as, housing 2 can have substantially in tubular shape. The upper and lower end of housing 2 has offered opening respectively, and slurry flows into the pipe vibration damper of the present invention by the opening of housing 2 upper end, and is flowed out by the opening of housing 2 bottom. When not having the first ring flange 11 and the 2nd ring flange 12, being connected with top pipeline by the upper end of housing 2 and be connected with lower section pipeline by the bottom of housing 2 can by the assembling pipe joint access conduit of the present invention. It is arranged in housing 2 to back up pad 3 level, for supporting buffering cover 4, main elasticity component 51 and main shaft 8. Being provided with spindle through-hole 81 in back up pad, spindle through-hole 81 is positioned at the center position of back up pad 3. The lower end of main shaft 8 is connected through spindle through-hole, the upper end of main shaft 8 with the lower surface of buffering cover 4, and main elasticity component 51 is set on main shaft 8 flexibly to support buffering cover 4 and main shaft 8. In the vertical section of conveying slurry pipeline, the gravity of slurry is converted into kinetic energy, and its speed constantly increases, and reaches maximum value when the lowermost position of the arrival vertical section of pipeline is put. When arranging the pipeline buffering device of the present invention in the vertical section portion of setting of pipeline, it is possible to play shock absorption, thus protective conduit is not damaged by the surging force of slurry. Now, the slurry collision buffering cover 4 fallen at a high speed, thus compress main elasticity component 51, and main elasticity component 51 is shunk. After buffering of returning cover 4, the decrease in velocity of slurry thus reduce slurry to the surging force of pipeline. Owing to buffering cover 4 has the upper surface of convex, so slurry easily flows down along the upper surface of buffering cover 4. Such as, buffering cover 4 can have cone point conical shaped upper surface upward.In addition, back up pad 3 also having been offered and has let out material through hole 91, by letting out, material through hole 91 flows out downwards the slurry cushioned through buffering cover 4. Depending on flow velocity and the flow of slurry, the size letting out material through hole should be enough to slurry is flowed out smooth and easyly.
It should be noted that, although the pipeline combining conveying slurry illustrates the pipe vibration damper of the present invention, but the present invention is not limited thereto. The pipe vibration damper of the present invention can also be used for carrying the pipeline of other material, such as, in the pipeline carrying sand material, barren rock material.
In an embodiment, main elasticity structure 51 and secondary resilient members 51 can be all springs. But the present invention is not limited thereto, it is also possible to be that of the prior art other has elastic component, as long as the configuration of these elasticity components can make the pipe vibration damper of the present invention have enough surge capabilities.
, as shown in Figure 1, in addition the pipe vibration damper of the present invention can also comprise multiple auxiliary through hole 71, multiple auxiliary axle 7 and multiple secondary resilient members 52. Fig. 2 is the orthographic plan of the back up pad of the pipe vibration damper of the present invention, and as shown in Figure 2, multiple auxiliary shaft through-hole 71 is arranged in back up pad 3 at predetermined intervals. Such as, multiple auxiliary shaft through-hole 71 is evenly to be disposed on the peripheral position place of spindle through-hole 81. The upper end of each auxiliary axle 7 is connected with the lower surface of buffering cover 4, and the lower end of each auxiliary axle 7 is through an auxiliary shaft through-hole 71. Meanwhile, each secondary resilient members 52 is set on an auxiliary axle 71, thus flexibly supports this auxiliary axle 71 and buffering cover 4. It should be noted that, in the pipe vibration damper of the present invention, it is also possible to only support buffering cover 4 by multiple auxiliary axle 71 and multiple secondary resilient members 52. That is, the pipe vibration damper of the present invention can when not having main shaft 8, main elasticity component 51 and implement when spindle through-hole 81. In this case, portion's elastic force of multiple auxiliary axle 71 and multiple secondary resilient members 52 should be enough to support buffering cover 4.
Specifically, as shown in Figure 2, back up pad 3 can comprise outer shroud 31, inner ring 32 and muscle plate 33. Muscle plate 33 connects outer shroud 31 and inner ring 32. Multiple material through hole 91 of letting out is formed in back up pad 3 in annular, lets out at adjacent two and is formed with muscle plate 33 between material through hole 91 respectively. The region let out between material through hole 91 and spindle through-hole 81 is called as inner ring, and the region let out between material through hole 91 and the outer edge of back up pad 3 is called as outer shroud. Specifically, spindle through-hole 81 is limited by the little circle of inner ring 32, and auxiliary shaft through-hole 71 evenly is arranged in inner ring 32. Figure 2 illustrates four auxiliary shaft through-holes 71 with the interval of 90 degree symmetrical relative to the center of circle of inner ring be arranged in inner ring, now, each auxiliary shaft through-hole arranges an auxiliary axle 7, and a sheathed secondary resilient members 52 on each auxiliary axle 7. That is, the quantity of auxiliary shaft through-hole 71, auxiliary axle 7 and secondary resilient members 52 is 4 in this case. But the present invention is not limited thereto, such as, it is possible to 3 auxiliary shaft through-holes evenly are set in inner ring, or 5 auxiliary shaft through-holes. Let out material through hole 91 to be arranged between outer shroud 31 and inner ring 32, and it is separated into by muscle plate and multiple lets out material through hole 91. Such as, letting out material through hole 91 can be that the annular region between outer shroud 31 and inner ring 32 is divided into multiple circular arc through hole with one fixed width by multiple muscle plate 33, and slurry is flowed out by these annular through-holes.
Muscle plate 33 should have enough intensity firmly to connect outer shroud 31 and inner ring 32.Particularly when flow rate of slurry is bigger, it is necessary to the area letting out material through hole accounts for the large percentage of back up pad area. Now, outer shroud 31, inner ring 32 and muscle plate 33 should have less width. Therefore, need to adopt the material of high strength to manufacture back up pad 3 in this case, or increase the thickness of back up pad 3. Although, there is shown four muscle plates 33 and connect inner ring 32 and outer shroud 31, but the present invention is not limited thereto, it is possible to increase or reduce the quantity of muscle plate 33 according to actual needs. Owing to the back up pad 3 of the pipe vibration damper of the present invention has the structure by link of boards outer shroud and inner ring, therefore let out material through hole 91 and can be formed bigger, ensure that slurry flows out smooth and easyly.
Further, the pipe vibration damper of the present invention can also comprise flexible guard 6, and flexible guard 6 connects the edge of buffering cover 4 and the outer edge of the inner ring 32 of back up pad 3, thus forms closed space between buffering cover 4 and back up pad 3. Main shaft 8, main elasticity component 81, auxiliary axle 7, secondary resilient members 71 etc. are arranged in this enclosed space, and therefore flexible guard 6 is possible to prevent main shaft 8, main elasticity component 81, assists axle 7, secondary resilient members 71 etc. to contact with slurry. Such as, flexible guard can have the shape of corrugated tube, and can stretch along with the up and down motion of buffering cover 4.
Further, as shown in Figure 1, housing 2 can have horizontal disposed ledge, and the edge section of back up pad 3 can be fixed in the flange of housing 2. By the edge section of back up pad 3 is fixed on shell stop 2 flange in, it is possible to firmly support back up pad 3 by the flange of housing 2. Accordingly, it may be possible to improve the reliability of the present invention.
In a specific embodiment, the flange of housing 2 can be arranged like this: housing 2 can comprise upper housing and lower housing, and the top of the bottom of upper housing and lower housing has flange respectively. In this case, back up pad 3 can be arranged between the flange of upper housing and the flange of lower housing, thus firmly fixes back up pad 3. In this case, preferably, as shown in Figure 1, corresponding position on the flange of upper housing and the flange of lower housing is formed with through hole, and the outer shroud 31 of back up pad 3 can be provided with through hole accordingly with the threaded hole on the flange of upper housing and lower housing, as shown in Figure 2, upper housing, lower housing and back up pad 3 firmly can be connected by the through hole on the threaded hole on flange and muscle plate.
Although disclosed content shows the exemplary embodiment of the present invention above, but it should be appreciated that, under the prerequisite of scope not deviating from scope, it is possible to carry out multiple change and amendment. The function of the claim to a method according to inventive embodiments described herein, step and/or action need to not perform with any particular order. In addition, although the element of the present invention can describe or requirement with individual form, but it is also contemplated that have multiple element, it is individual element unless explicitly limited.
Claims (8)
1. a pipe vibration damper, comprising:
Housing, described housing has internal space and described housing upper and lower end and is respectively equipped with opening;
Back up pad, what described back up pad was provided with spindle through-hole and was centered around described spindle through-hole periphery lets out material through hole, and described back up pad level be arranged in the internal space of described housing;
Buffering cover, described buffering cover has the upper surface of convex;
Main shaft, described main shaft is arranged in described spindle through-hole, and the upper end of described main shaft is connected with the lower surface of described buffering cover; And
Main elasticity component, described main elasticity component is nested with on described main shaft flexibly to support described main shaft and described buffering cover.
2. pipe vibration damper according to claim 1, comprises further:
Multiple auxiliary shaft through-hole, described multiple auxiliary shaft through-hole is disposed in described back up pad with identical;
Multiple auxiliary axle, described in each, the lower end of auxiliary axle is through a described auxiliary shaft through-hole, and the upper end of auxiliary axle described in each is connected with the lower surface of described buffering cover; And
Multiple secondary resilient members, auxiliary axle described in each is arranged with a described secondary resilient members flexibly to support this auxiliary axle and described buffering cover.
3. pipe vibration damper according to claim 2, wherein, the quantity of described multiple auxiliary shaft through-hole, described multiple auxiliary axle and described multiple secondary resilient members is four.
4. pipe vibration damper according to claim 1 and 2, wherein, let out material through hole described in multiple is be formed in described back up pad annularly, muscle plate it is formed with respectively letting out described in adjacent two between material through hole, the region let out described in multiple between material through hole and described spindle through-hole is called as inner ring, the region let out described in multiple between material through hole and the outer edge of described back up pad is called as outer shroud, outer shroud described in described link of boards and described inner ring.
5. pipe vibration damper according to claim 4, comprises flexible guard further, and described flexible guard connects the outer edge of described buffering shroud rim and described inner ring.
6. pipe vibration damper according to claim 1, wherein, the upper surface of described buffering cover is cone point cone upward.
7. pipe vibration damper according to claim 1, wherein, described pipe vibration damper also comprises: the first ring flange and the 2nd ring flange, first ring flange and the 2nd ring flange are separately fixed at the upper and lower end of described housing, described first ring flange is for being connected with the pipeline of top, and described 2nd ring flange is for being connected with the pipeline of lower section.
8. pipe vibration damper according to claim 1, wherein, described housing has horizontally disposed flange, and the edge section of described back up pad is fixed in the flange of described housing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015105006649 | 2015-08-14 | ||
| CN201510500664.9A CN105065841A (en) | 2015-08-14 | 2015-08-14 | Vibration damping device for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105673988A true CN105673988A (en) | 2016-06-15 |
Family
ID=54495287
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510500664.9A Pending CN105065841A (en) | 2015-08-14 | 2015-08-14 | Vibration damping device for pipeline |
| CN201610144522.8A Pending CN105673988A (en) | 2015-08-14 | 2016-03-14 | Damping device for pipeline |
| CN201620195114.0U Expired - Fee Related CN205560106U (en) | 2015-08-14 | 2016-03-14 | Pipeline vibration damper |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510500664.9A Pending CN105065841A (en) | 2015-08-14 | 2015-08-14 | Vibration damping device for pipeline |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620195114.0U Expired - Fee Related CN205560106U (en) | 2015-08-14 | 2016-03-14 | Pipeline vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN105065841A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065841A (en) * | 2015-08-14 | 2015-11-18 | 中冶北方（大连）工程技术有限公司 | Vibration damping device for pipeline |
| WO2019167586A1 (en) * | 2018-02-28 | 2019-09-06 | 株式会社テイエルブイ | Shock absorber |
| CN111206654A (en) * | 2020-01-18 | 2020-05-29 | 顾地科技股份有限公司 | Silencing drainage pipe and connecting pipe head |
| CN114060641A (en) * | 2021-11-24 | 2022-02-18 | 重庆诺贝尔福基机电有限公司 | Air inlet pipe for increasing airflow stability |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6089274A (en) * | 1999-08-11 | 2000-07-18 | Fan; Jui-Hua | I-type counterflow absorber |
| CN2489173Y (en) * | 2001-04-20 | 2002-05-01 | 杨玉珂 | Water hammer shock absorber |
| CN201619191U (en) * | 2009-11-16 | 2010-11-03 | 徐州天地重型机械制造有限公司 | Finished product bin for dry-mixed mortar stations |
| WO2012119576A3 (en) * | 2011-03-09 | 2012-11-22 | Schaeffler Technologies AG & Co. KG | Vibration damper for hydraulic systems |
| CN205257076U (en) * | 2015-12-14 | 2016-05-25 | 陈永生 | Novel building storage device |
| CN205560106U (en) * | 2015-08-14 | 2016-09-07 | 中冶北方（大连）工程技术有限公司 | Pipeline vibration damper |
-
2015
- 2015-08-14 CN CN201510500664.9A patent/CN105065841A/en active Pending
-
2016
- 2016-03-14 CN CN201610144522.8A patent/CN105673988A/en active Pending
- 2016-03-14 CN CN201620195114.0U patent/CN205560106U/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6089274A (en) * | 1999-08-11 | 2000-07-18 | Fan; Jui-Hua | I-type counterflow absorber |
| CN2489173Y (en) * | 2001-04-20 | 2002-05-01 | 杨玉珂 | Water hammer shock absorber |
| CN201619191U (en) * | 2009-11-16 | 2010-11-03 | 徐州天地重型机械制造有限公司 | Finished product bin for dry-mixed mortar stations |
| WO2012119576A3 (en) * | 2011-03-09 | 2012-11-22 | Schaeffler Technologies AG & Co. KG | Vibration damper for hydraulic systems |
| CN205560106U (en) * | 2015-08-14 | 2016-09-07 | 中冶北方（大连）工程技术有限公司 | Pipeline vibration damper |
| CN205257076U (en) * | 2015-12-14 | 2016-05-25 | 陈永生 | Novel building storage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105065841A (en) | 2015-11-18 |
| CN205560106U (en) | 2016-09-07 |
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Application publication date: 20160615 |