CN105065529A - Large hydraulic damper for supporting nuclear power station main device - Google Patents
Large hydraulic damper for supporting nuclear power station main device Download PDFInfo
- Publication number
- CN105065529A CN105065529A CN201510552695.9A CN201510552695A CN105065529A CN 105065529 A CN105065529 A CN 105065529A CN 201510552695 A CN201510552695 A CN 201510552695A CN 105065529 A CN105065529 A CN 105065529A
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- CN
- China
- Prior art keywords
- nuclear power
- power station
- piston
- station main
- hydraulic damper
- 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.)
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Springs (AREA)
Abstract
The invention provides a large hydraulic damper for supporting a nuclear power station main device. The large hydraulic damper for supporting the nuclear power station main device comprises a shell assembly, an oil cylinder, a piston or a piston rod, auxiliary oil cylinders, a fork-shaped pin head and a rear cylinder cover, wherein the shell assembly is provided with a containing cavity; the oil cylinder is contained in the containing cavity; the oil cylinder comprises a front cover plate and a rear cover plate which are connected through screws or bolts, and a gap is reserved between the front cover plate and the rear cover plate. The piston or the piston rod penetrates through the front cover plate, one end of the piston or the piston rod is contained in the gap, and the other end of the piston or the piston rod penetrates through the front cover plate and is located outside the gap. The auxiliary oil cylinders are symmetrically distributed on the periphery of the oil cylinder. The rear cylinder cover is installed on the shell assembly and provided with a joint bearing which is installed on the rear cylinder cover through a bearing pressing plate. The large hydraulic damper for supporting the nuclear power station main device can effectively prevent damage, caused by collision of external foreign matter, to main parts of the damper.
Description
Technical field
The present invention relates to a kind of nuclear power station main equipment support large hydraulic damper.
Background technique
Core level large hydraulic damper adopts hydraulic principle, by the hydraulic valve bank of mechanical structure and particular design, making active chamber hydraulic medium when being subject to external load effect, externally presenting damping characteristic; When be in by support apparatus vibration (disturbance), earthquake or accident conditions time, the Damper Braces of enough rigidity cannot be presented, thus the safe operation of nuclear power main equipment cannot be ensured.
Therefore, the rigidity how improving damper becomes problem demanding prompt solution.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of nuclear power station main equipment support large hydraulic damper.
The invention provides a kind of nuclear power station main equipment support large hydraulic damper, comprising:
Frame set; Described frame set is provided with cavity volume;
Oil cylinder; Described oil cylinder is placed in described cavity volume; Oil cylinder comprises front shroud and back shroud; Described front shroud is connected by screw or bolt with described back shroud, and leaves space therebetween;
Piston and piston rod; Described piston is placed in described space; Described piston rod runs through described front shroud, and one end is placed in described space and is connected with described piston, and the other end is positioned at outside described space through described front shroud;
Auxiliary oil cylinder; Be placed in described cavity volume, and be symmetrically distributed in around described oil cylinder;
Fork-shaped plunger; Described fork-shaped plunger is arranged on described frame set, and the one end be positioned at outside described space with described piston or piston rod is connected;
Back cylinder cover; Described back cylinder cover is arranged on described frame set; Described back cylinder cover is provided with joint shaft bearing; Joint shaft bearing is arranged on described back cylinder cover by bearing plate.
Preferably, described frame set is Austenitic Stainless Steel material frame set.
Preferably, described frame set is cylindrical body.
Preferably, also dustproof gland is comprised; Described dustproof gland is arranged between described piston rod and described front shroud.
Preferably, piston pressing plate is also comprised.
Preferably, return spring bolt, return spring, oil return piston is also comprised.
Preferably, end socket screw is also comprised.
Preferably, damper valves assembly is also comprised.
Compared with prior art, the present invention has following beneficial effect:
1, nuclear power station main equipment support large hydraulic damper according to the invention, except for installing hinged fork-shaped plunger and back cylinder cover is positioned at except frame set, other all component are all enclosed in the housing of austenite stainless material, effectively prevent damper critical piece by foreign collide cause damage, also farthest reduce the level that inner body bears radiation dose, also make simultaneously the surface emissivity thing under inspecting state remain decontamination more easily, more thorough.The housing of Austenitic Stainless Steel material also can improve complete machine comprehensive anticorrosive ability, makes damper outward appearance more exquisite.
2, frame set is cylindrical body full symmetrical configuration, make it under the operating mode externally providing large Damper Braces load, stressed by cylindrical axisymmetrical distribution, avoid damper to be in operation and to bear lateral load, wearing and tearing between effective reduction oil cylinder, piston or piston rod, thus improve damper service life, ensure the damper phase in design longevity of 60 years.
3, oil storage cylinder is a requisite assembly in single-piston rod structure hydraulic damper designs, for balancing the difference in volume of rod chamber and rodless cavity.The large hydraulic resistance of current other brands of world wide is general to be adopted offset or separately puts formula oil tank, though these design structures are simple, result in the shortcoming such as offset placed load, connecting hose.Oil tank is designed to several auxiliary oil cylinder symmetries and is distributed on around oil cylinder by the present invention, makes complete machine structure achieve holohedral symmetry.
4, damper of the present invention adopts independent integers structural design, on the basis ensureing complete machine functional characteristic, effectively improves the symmetry properties of drawing, pressing both direction damping characteristic, also makes the in-service performance maintenance of complete machine, valve group is changed, test is the most easily changed.
5, nuclear power station main equipment support large hydraulic damper according to the invention, except being applicable to nuclear power station main equipment, as vaporizer, voltage stabilizer, main pump etc., can also be applicable to other field.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the nuclear power station main equipment support large hydraulic damper meeting the preferred embodiment of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As shown in Figure 1, nuclear power station main equipment support large hydraulic damper comprises:
Frame set 1, frame set 1 is provided with cavity volume 11;
Oil cylinder 2, oil cylinder 2 is placed in cavity volume 11, and oil cylinder 2 comprises front shroud 21 and back shroud 22, and front shroud 21 is connected by hexagon socket head cap screw 31 with bonnet 22 plate, and leaves space 4 therebetween;
Piston 51 and piston rod 52; Piston 51 is placed in described space 4, and piston rod 52 runs through front shroud 21, and one end is placed in space 4 and is connected with piston 51, and the other end is positioned at outside space 4 through front shroud 21;
Auxiliary oil cylinder 6; Be placed in cavity volume 11, and be symmetrically distributed in oil cylinder 2 around;
Fork-shaped plunger 7; Fork-shaped plunger 7 is arranged on frame set 1, and the one end be positioned at outside space 4 with piston rod 52 is connected; Fork-shaped plunger 7 and piston rod 52 can adopt engagement thread to be connected.
Back cylinder cover 8; Back cylinder cover 8 is arranged on frame set 1; Back cylinder cover 8 is provided with joint shaft bearing 81; Joint shaft bearing 81 is arranged on back cylinder cover 8 by bearing plate 82.
Preferably, frame set 1 is Austenitic Stainless Steel material frame set.
Preferably, frame set is cylindrical body.
Preferably, dustproof gland 9 is also comprised; Dustproof gland 9 is arranged between piston rod 52 and front shroud 21, for preventing and treating in the gap between dust infiltration piston rod 52 and front shroud 21.
Preferably, piston pressing plate 10 is also comprised.Piston pressing plate 10 for by spacing for Sealing at piston plate.
Preferably, return spring bolt 11, return spring 12, oil return piston 13 is also comprised.Oil return piston 13 is for adjusting oil back chamber volume. and return spring 12 is connected with oil return piston 13, resets for making oil return piston 13.Spring bolt 11 is for being arranged on return spring 12 in cavity volume 11.
Preferably, end socket screw 14 is also comprised.End socket screw 14 is installed on oil cylinder 21, for filling with hydraulic fluid port shutoff.
Preferably, damper valves assembly 15 is also comprised.The mode that damper valves assembly 15 is threaded connection is arranged in the oil return circuit of oil cylinder 2, determines damper characteristics.
Compared with prior art, the nuclear power station main equipment support large hydraulic damper meeting the preferred embodiment of the invention has following beneficial effect:
1, the nuclear power station main equipment support large hydraulic damper of the preferred embodiment of the invention is met, except for installing hinged fork-shaped plunger and back cylinder cover is positioned at except frame set, other all component are all enclosed in the housing of austenite stainless material, effectively prevent damper critical piece by foreign collide cause damage, also farthest reduce the level that inner body bears radiation dose, also make simultaneously the surface emissivity thing under inspecting state remain decontamination more easily, more thorough.The housing of Austenitic Stainless Steel material also can improve complete machine comprehensive anticorrosive ability, makes damper outward appearance more exquisite.
2, frame set is cylindrical body full symmetrical configuration, make it under the operating mode externally providing large Damper Braces load, stressed by cylindrical axisymmetrical distribution, avoid damper to be in operation and to bear lateral load, wearing and tearing between effective reduction oil cylinder, piston or piston rod, thus improve damper service life, ensure the damper phase in design longevity of 60 years.
3, oil storage cylinder is a requisite assembly in single-piston rod structure hydraulic damper designs, for balancing the difference in volume of rod chamber and rodless cavity.The large hydraulic resistance of current other brands of world wide is general to be adopted offset or separately puts formula oil tank, though these design structures are simple, result in the shortcoming such as offset placed load, connecting hose.Oil tank is designed to several auxiliary oil cylinder symmetries and is distributed on around oil cylinder by the present invention, makes complete machine structure achieve holohedral symmetry.
4, damper of the present invention adopts independent integers structural design, on the basis ensureing complete machine functional characteristic, effectively improve the symmetry properties of drawing (the F1 direction namely in Fig. 1), pressure (the F2 direction namely in Fig. 1) both direction damping characteristic, also make the in-service performance maintenance of complete machine, valve group is changed, test is the most easily changed.
5, nuclear power station main equipment support large hydraulic damper according to the invention, except being applicable to nuclear power station main equipment, as vaporizer, voltage stabilizer, main pump etc., can also be applicable to other field.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For system disclosed in embodiment, owing to corresponding to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Those skilled in the art can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. nuclear power station main equipment supports and uses a large hydraulic damper, it is characterized in that, comprising:
Frame set; Described frame set is provided with cavity volume;
Oil cylinder; Described oil cylinder is placed in described cavity volume; Oil cylinder comprises front shroud and back shroud; Described front shroud is connected by screw or bolt with described back shroud, and leaves space therebetween;
Piston and piston rod; Described piston is placed in described space; Described piston rod runs through described front shroud, and one end is placed in described space and is connected with described piston, and the other end is positioned at outside described space through described front shroud;
Auxiliary oil cylinder; Be placed in described cavity volume, and be symmetrically distributed in around described oil cylinder;
Fork-shaped plunger; Described fork-shaped plunger is arranged on described frame set, and the one end be positioned at outside described space with described piston or piston rod is connected;
Back cylinder cover; Described back cylinder cover is arranged on described frame set; Described back cylinder cover is provided with joint shaft bearing; Joint shaft bearing is arranged on described back cylinder cover by bearing plate.
2. nuclear power station main equipment as claimed in claim 1 supports and uses large hydraulic damper, and it is characterized in that, described frame set is Austenitic Stainless Steel material frame set.
3. nuclear power station main equipment as claimed in claim 1 supports and uses large hydraulic damper, and it is characterized in that, described frame set is cylindrical body.
4. nuclear power station main equipment as claimed in claim 1 supports and uses large hydraulic damper, it is characterized in that, also comprises dustproof gland; Described dustproof gland is arranged between described piston rod and described front shroud.
5. nuclear power station main equipment as claimed in claim 1 supports and uses large hydraulic damper, it is characterized in that, also comprises piston pressing plate.
6. nuclear power station main equipment as claimed in claim 1 supports and uses large hydraulic damper, it is characterized in that, also comprises return spring bolt, return spring, oil return piston.
7. nuclear power station main equipment as claimed in claim 1 supports and uses large hydraulic damper, it is characterized in that, also comprises end socket screw.
8. nuclear power station main equipment as claimed in claim 1 supports and uses large hydraulic damper, it is characterized in that, also comprises damper valves assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510552695.9A CN105065529A (en) | 2015-09-01 | 2015-09-01 | Large hydraulic damper for supporting nuclear power station main device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510552695.9A CN105065529A (en) | 2015-09-01 | 2015-09-01 | Large hydraulic damper for supporting nuclear power station main device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105065529A true CN105065529A (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510552695.9A Pending CN105065529A (en) | 2015-09-01 | 2015-09-01 | Large hydraulic damper for supporting nuclear power station main device |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246790A (en) * | 2016-08-26 | 2016-12-21 | 常州格林电力机械制造有限公司 | Symmetrical expression large hydraulic antivibrator |
| CN112682676A (en) * | 2020-12-30 | 2021-04-20 | 上海核工程研究设计院有限公司 | Integrated supporting assembly and transverse supporting structure for nuclear power steam generator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580206Y (en) * | 2002-09-06 | 2003-10-15 | 张小虎 | Closed hydraulic damper |
| CN2651560Y (en) * | 2003-10-16 | 2004-10-27 | 上海理工大学附属工厂 | Hydraulic damper for nuclear power station |
| JP2005337309A (en) * | 2004-05-25 | 2005-12-08 | Sanwa Tekki Corp | Hydraulic vibration control device |
| CN201228746Y (en) * | 2008-07-04 | 2009-04-29 | 常州格林电力机械制造有限公司 | Load bearing damper |
| CN205036773U (en) * | 2015-09-01 | 2016-02-17 | 上海核工程研究设计院 | Nuclear power station owner equipment support uses large -scale hydraulic damper |
-
2015
- 2015-09-01 CN CN201510552695.9A patent/CN105065529A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580206Y (en) * | 2002-09-06 | 2003-10-15 | 张小虎 | Closed hydraulic damper |
| CN2651560Y (en) * | 2003-10-16 | 2004-10-27 | 上海理工大学附属工厂 | Hydraulic damper for nuclear power station |
| JP2005337309A (en) * | 2004-05-25 | 2005-12-08 | Sanwa Tekki Corp | Hydraulic vibration control device |
| CN201228746Y (en) * | 2008-07-04 | 2009-04-29 | 常州格林电力机械制造有限公司 | Load bearing damper |
| CN205036773U (en) * | 2015-09-01 | 2016-02-17 | 上海核工程研究设计院 | Nuclear power station owner equipment support uses large -scale hydraulic damper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246790A (en) * | 2016-08-26 | 2016-12-21 | 常州格林电力机械制造有限公司 | Symmetrical expression large hydraulic antivibrator |
| CN112682676A (en) * | 2020-12-30 | 2021-04-20 | 上海核工程研究设计院有限公司 | Integrated supporting assembly and transverse supporting structure for nuclear power steam generator |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151118 |
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| WD01 | Invention patent application deemed withdrawn after publication |