CN109340293A - A kind of hydraulic damper of the auxiliary fuel tank with air bag - Google Patents
A kind of hydraulic damper of the auxiliary fuel tank with air bag Download PDFInfo
- Publication number
- CN109340293A CN109340293A CN201811515545.0A CN201811515545A CN109340293A CN 109340293 A CN109340293 A CN 109340293A CN 201811515545 A CN201811515545 A CN 201811515545A CN 109340293 A CN109340293 A CN 109340293A
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- China
- Prior art keywords
- throttle valve
- air bag
- cylinder barrel
- fuel tank
- piston
- 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
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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
- 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
- F16F9/3207—Constructional features
-
- 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
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
-
- 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
- F16F9/36—Special sealings, including sealings or guides for piston-rods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
A kind of hydraulic damper the invention discloses auxiliary fuel tank with air bag, including right plunger, right end cap, auxiliary fuel tank cylinder barrel, intermediate end cover, cylinder barrel, left end cap, left piston bar, left plunger, first throttle valve, piston, miniature throttle valve, air bag, right piston bar etc.；The present invention proposes a kind of hydraulic damper of the auxiliary fuel tank with air bag, air bag is set in the auxiliary fuel tank of damper, effectively meet damper because of oil liquid volume change caused by variation of ambient temperature, the dynamic sealing of piston in auxiliary fuel tank is converted to the static seal of end cap and cylinder barrel, structure is simple, the production cost for effectively reducing hydraulic damper improves hydraulic damper functional reliability, is with a wide range of applications.
Description
Technical field
The present invention relates to a kind of external equipment or the protective devices of pipeline, and in particular to the liquid to a kind of auxiliary fuel tank with air bag
Damper is pressed, is belonged to electrically and field of electromechanical technology.
Background technique
Hydraulic damper is prevalent in the industries such as electric power, chemical industry, steel, machinery, mainly works with hydraulic damper
The damping action generated in the process, realizes the antivibration to external equipment and damping, and the safety of effective protection external equipment ensures outer
The reliability service of portion's equipment.Currently, conventional double piston-rod hydraulic damper, using setting piston and spring knot in auxiliary fuel tank
Structure, to meet damper temperature-compensating, the piston in auxiliary fuel tank needs simultaneously between auxiliary fuel tank inner wall of cylinder and right piston bar
Formation is slidably matched and dynamic sealing, improves the difficulty of processing of part, increases the production cost of damper, reduces damper
The reliability of work.
Summary of the invention
In order to overcome above-mentioned deficiency, the present invention provides a kind of anti-whipping parts of high energy pipeline.
Technical scheme is as follows:
A kind of hydraulic damper of the auxiliary fuel tank with air bag, including right plunger, right end cap, auxiliary fuel tank cylinder barrel, intermediate end cover, cylinder barrel,
Left end cap, left piston bar, left plunger, first throttle valve, piston, miniature throttle valve, air bag, right piston bar；
The right side opening of the intermediate end cover is equipped with ring-shaped groove；
The first throttle valve is mounted on the inside of piston, and the oil inlet of first throttle valve is connected with first throttle valve in-line
Logical, the oil outlet of first throttle valve is connected with first throttle valve vent line；
Inside the left side for the ring-shaped groove that the miniature throttle valve is mounted on intermediate end cover, the oil inlet of miniature throttle valve with it is miniature
Throttle valve in-line is connected, and the oil outlet of miniature throttle valve is connected by miniature throttle valve vent line with ring-shaped groove；
It is formed and is reliably connected between the right plunger and right end cap；
The right end cap is mounted on the right end of auxiliary fuel tank cylinder barrel, and formation is reliably connected；
The left end of the intermediate end cover is mounted on the right side of cylinder barrel, and formation is reliably connected, the right side inner wall of intermediate end cover and cylinder barrel
Between form reliable sealing；
The piston, left piston bar, right piston bar are reliably connected integrally, are formed between piston and left piston bar and right piston bar
Reliable sealing, the piston and left piston bar and right piston bar to link into an integrated entity are inserted into cylinder barrel together, and right piston bar is through centre
End cap is provided with dustband, guidance tape and sealing element between right piston bar and intermediate end cover；It is set between piston and the inner wall of cylinder barrel
It is equipped with guidance tape and sealing element, is formed and is slidably matched between piston and the inner wall of cylinder barrel, piston can be realized in the inside of cylinder barrel
It moves left and right, forms working chamber A, miniature throttle valve in-line and working chamber A between the right side of piston and the left side of intermediate end cover
It is connected, first throttle valve vent line is connected with working chamber A；
The left end cap is sleeved on left piston bar, and is reliably connected the left end of cylinder barrel, is arranged between left end cap and piston rod
There are dustband, guidance tape and sealing element, sealing element, the right side of left end cap and the left side of piston are provided between left end cap and cylinder barrel
Between form working chamber B, the oil inlet of first throttle valve is connected by first throttle valve in-line with working chamber B；
For the Air sac cover in ring-shaped groove, auxiliary fuel tank cylinder barrel is reliably connected the right side of intermediate end cover, ring on intermediate end cover
Be mounted on sealing element between the left and right sides of shape groove and auxiliary fuel tank cylinder barrel inside, and form reliable sealing, ring-shaped groove and
Auxiliary oil pocket C is formed between auxiliary fuel tank cylinder barrel；
Nitrogen is precharged in the gas chamber D of the air bag；
It is formed and is reliably connected between the left plunger and left piston bar；
Equal fill duty oil liquid in the working chamber A, working chamber B and auxiliary oil pocket C and relevant connection channel.
Above-mentioned air bag is annular air-pocket or strip air bag.
Above-mentioned air bag is replaced with the other elastomers in addition to air bag.
Above-mentioned first throttle valve, miniature throttle valve can be replaced in damper with throttle orifice or throttling passage.
First check valve and second one-way valve, first check valve and are set between above-mentioned working chamber A, working chamber B
The oil inlet of two check valves is interconnected, and the oil outlet of first check valve is connected to working chamber B, the second one-way valve
Oil outlet is connected to working chamber A.
Advantageous effects of the invention:
The present invention proposes a kind of hydraulic damper of the auxiliary fuel tank with air bag, and air bag is arranged in the auxiliary fuel tank of damper, effectively meets
The dynamic sealing of piston in auxiliary fuel tank is converted to end cap and cylinder barrel because of oil liquid volume change caused by variation of ambient temperature by damper
Static seal, structure is simple, effectively reduces the production cost of hydraulic damper, improves hydraulic damper functional reliability.
Detailed description of the invention
Fig. 1 is structural schematic diagram one of the invention；
Fig. 2 is structural schematic diagram two of the invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figure 1, a kind of hydraulic damper of auxiliary fuel tank with air bag, including right plunger 1, right end cap 2, auxiliary fuel tank cylinder barrel
3, intermediate end cover 4, cylinder barrel 5, left end cap 6, left piston bar 7, left plunger 8, first throttle valve 9, piston 10, miniature throttle valve 11,
Air bag 12, right piston bar 13；
The right side opening of the intermediate end cover 4 is equipped with ring-shaped groove 4-1；
The first throttle valve 9 is mounted on the inside of piston 10, the oil inlet and first throttle valve in-line 9- of first throttle valve 9
1 is connected, and the oil outlet of first throttle valve 9 is connected with first throttle valve vent line 9-2；
The miniature throttle valve 11 is mounted on inside the left side of ring-shaped groove 4-1 of intermediate end cover 4, the oil inlet of miniature throttle valve 11
Mouthful be connected with miniature throttle valve in-line 11-1, the oil outlet of miniature throttle valve 11 by miniature throttle valve vent line 11-2 and
Ring-shaped groove 4-1 is connected；
It is formed and is reliably connected between the right plunger 1 and right end cap 2；
The right end cap 2 is mounted on the right end of auxiliary fuel tank cylinder barrel 3, and formation is reliably connected；
The left end of the intermediate end cover 4 is mounted on the right side of cylinder barrel 5, and formation is reliably connected, the right side of intermediate end cover 4 and cylinder barrel 5
Reliable sealing is formed between inner wall；
The piston 10, left piston bar 7, right piston bar 13 are reliably connected integrally, piston 10 and left piston bar 7 and right piston bar
Reliable sealing is formed between 13, the piston 10 and left piston bar 7 and right piston bar 13 to link into an integrated entity is inserted into cylinder barrel 5 together,
Right piston bar 13 runs through intermediate end cover 4, and dustband, guidance tape and sealing element are provided between right piston bar 13 and intermediate end cover 4；
It is provided with guidance tape and sealing element between piston 10 and the inner wall of cylinder barrel 5, forms sliding between piston 10 and the inner wall of cylinder barrel 5 and matches
It closes, piston 10 can be realized in the inside of cylinder barrel 5 and be moved left and right, and be formed between the right side of piston 10 and the left side of intermediate end cover 4
Working chamber A, miniature throttle valve in-line 11-1 are connected with working chamber A, and first throttle valve vent line 9-2 is connected with working chamber A
It is logical；
The left end cap 6 is sleeved on left piston bar 7, and is reliably connected the left end of cylinder barrel 5, between left end cap 6 and piston rod 7
It is provided with dustband, guidance tape and sealing element, sealing element, the right side of left end cap 7 and work are provided between left end cap 7 and cylinder barrel 5
Working chamber B is formed between the left side of plug 10, the oil inlet of first throttle valve 9 passes through first throttle valve in-line 9-1 and working chamber B
It is connected；
The air bag 12 is sleeved in ring-shaped groove 4-1, and auxiliary fuel tank cylinder barrel 3 is reliably connected the right side of intermediate end cover 4, intermediate ends
Sealing element is mounted on lid 4 between the left and right sides of ring-shaped groove 4-1 and auxiliary 3 inside of fuel tank cylinder barrel, and forms reliable sealing,
Auxiliary oil pocket C is formed between ring-shaped groove 4-1 and auxiliary fuel tank cylinder barrel 3；
Nitrogen is precharged in the gas chamber D of the air bag 12；
It is formed and is reliably connected between the left plunger 8 and left piston bar 7；
Equal fill duty oil liquid in the working chamber A, working chamber B and auxiliary oil pocket C and relevant connection channel.
Above-mentioned air bag 12 is annular air-pocket or strip air bag.
Above-mentioned air bag 12 is replaced with the other elastomers in addition to air bag.
Above-mentioned first throttle valve 9, miniature throttle valve 11 can be replaced in damper with throttle orifice or throttling passage.
The course of work:
A kind of hydraulic damper of the auxiliary fuel tank with air bag by right plunger 1 be mounted on it is fixed on the basis of, left plunger 8 is set with outside
It is standby to be connected.
External equipment band fluctuation dampers mutually move right state, and external equipment is by left plunger 8, left piston bar 7 with piston
10 move right, and the oil liquid in working chamber A is flowed into working chamber B by first throttle valve 9, form damping phenomena, generate damping
Power balances the active force of external equipment, plays damping action；
External equipment band fluctuation dampers fail to agree moving condition, external equipment by left plunger 8, left piston bar 7 with piston 10 to
It moves left, the oil liquid in working chamber B is flowed into working chamber A by first throttle valve 9, is formed damping force, is balanced external equipment
Active force plays damping action；
When damper environment temperature rises, damper internal oil volume becomes larger, and pressure rises, and the oil liquid in working chamber A is logical
It crosses miniature throttle valve 11 to flow into auxiliary oil pocket C, compressing gasbag 12, realizes volume compensation；When the decline of damper environment temperature, resistance
Buddhist nun's device internal oil volume becomes smaller, pressure decline, and the oil liquid in auxiliary oil pocket C passes through miniature throttle valve under the promotion of air bag 12
Into in working chamber A, volume compensation is realized.
As shown in Fig. 2, as another embodiment, it is single that first can also be arranged between above-mentioned working chamber A, working chamber B
To valve 14 and second one-way valve 15, the oil inlet of first check valve 14 and second one-way valve 15 is interconnected, and described first
The oil outlet of check valve 14 is connected to working chamber B, and the oil outlet of the second one-way valve 15 is connected to working chamber A.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of hydraulic damper of auxiliary fuel tank with air bag, it is characterised in that: including right plunger (1), right end cap (2), auxiliary fuel tank
Cylinder barrel (3), cylinder barrel (5), left end cap (6), left piston bar (7), left plunger (8), first throttle valve (9), is lived at intermediate end cover (4)
Fill in (10), miniature throttle valve (11), air bag (12), right piston bar (13)；
The right side opening of the intermediate end cover (4) is equipped with ring-shaped groove (4-1)；
The first throttle valve (9) is mounted on the inside of piston (10), the oil inlet of first throttle valve (9) and first throttle valve into
Oil circuit (9-1) is connected, and the oil outlet of first throttle valve (9) is connected with first throttle valve vent line (9-2)；
The miniature throttle valve (11) is mounted on inside the left side of ring-shaped groove (4-1) of intermediate end cover (4), miniature throttle valve
(11) oil inlet is connected with miniature throttle valve in-line (11-1), and the oil outlet of miniature throttle valve (11) passes through miniature throttling
Valve vent line (11-2) is connected with ring-shaped groove (4-1)；
It is formed and is reliably connected between the right plunger (1) and right end cap (2)；
The right end cap (2) is mounted on the right end of auxiliary fuel tank cylinder barrel (3), and formation is reliably connected；
The left end of the intermediate end cover (4) is mounted on the right side of cylinder barrel (5), and formation is reliably connected, intermediate end cover (4) and cylinder barrel
(5) reliable sealing is formed between right side inner wall；
The piston (10), left piston bar (7), right piston bar (13) are reliably connected integrally, piston (10) and left piston bar (7)
And reliable sealing, the piston (10) and left piston bar (7) and right piston bar to link into an integrated entity are formed between right piston bar (13)
(13) together in insertion cylinder barrel (5), right piston bar (13) runs through intermediate end cover (4), right piston bar (13) and intermediate end cover (4) it
Between be provided with dustband, guidance tape and sealing element；Guidance tape and sealing are provided between piston (10) and the inner wall of cylinder barrel (5)
Part is formed between piston (10) and the inner wall of cylinder barrel (5) and is slidably matched, and piston (10) can be realized left in the inside of cylinder barrel (5)
It moves right, forms working chamber A, miniature throttle valve in-line (11- between the right side of piston (10) and the left side of intermediate end cover (4)
1) it is connected with working chamber A, first throttle valve vent line (9-2) is connected with working chamber A；
The left end cap (6) is sleeved on left piston bar (7), and is reliably connected the left end of cylinder barrel (5), left end cap (6) and work
It is provided with dustband, guidance tape and sealing element between stopper rod (7), is provided with sealing element between left end cap (7) and cylinder barrel (5), it is left
Working chamber B is formed between the right side of end cap (7) and the left side of piston (10), the oil inlet of first throttle valve (9) passes through first segment
Stream valve in-line (9-1) is connected with working chamber B；
The air bag (12) is sleeved in ring-shaped groove (4-1), and auxiliary fuel tank cylinder barrel (3) is reliably connected the right side of intermediate end cover (4)
Side is mounted on sealing element between the left and right sides and auxiliary fuel tank cylinder barrel (3) inside of ring-shaped groove (4-1) on intermediate end cover (4),
And reliable sealing is formed, auxiliary oil pocket C is formed between ring-shaped groove (4-1) and auxiliary fuel tank cylinder barrel (3)；
Nitrogen is precharged in the gas chamber D of the air bag (12)；
It is formed and is reliably connected between the left plunger (8) and left piston bar (7)；
Equal fill duty oil liquid in the working chamber A, working chamber B and auxiliary oil pocket C and relevant connection channel.
2. hydraulic damper of a kind of auxiliary fuel tank with air bag according to claim 1, it is characterised in that: the air bag (12)
For annular air-pocket or strip air bag.
3. hydraulic damper of a kind of auxiliary fuel tank with air bag according to claim 1, it is characterised in that: the air bag (12)
It is replaced with the other elastomers in addition to air bag.
4. hydraulic damper of a kind of auxiliary fuel tank with air bag according to claim 1, it is characterised in that: the working chamber A,
The first check valve (14) and second one-way valve (15) are also set up between working chamber B, first check valve (14) and second is unidirectionally
The oil inlet of valve (15) is interconnected, and the oil outlet of first check valve (14) is connected to working chamber B, the second one-way valve
(15) oil outlet is connected to working chamber A.
5. hydraulic damper of a kind of auxiliary fuel tank with air bag according to claim 1, it is characterised in that: the first throttle
Valve (9), miniature throttle valve (11), can be replaced in damper with throttle orifice or throttling passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515545.0A CN109340293A (en) | 2018-12-12 | 2018-12-12 | A kind of hydraulic damper of the auxiliary fuel tank with air bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515545.0A CN109340293A (en) | 2018-12-12 | 2018-12-12 | A kind of hydraulic damper of the auxiliary fuel tank with air bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340293A true CN109340293A (en) | 2019-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811515545.0A Pending CN109340293A (en) | 2018-12-12 | 2018-12-12 | A kind of hydraulic damper of the auxiliary fuel tank with air bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340293A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747245A (en) * | 2020-12-14 | 2021-05-04 | 上海智心佳信息技术有限公司 | Intelligent manufacturing automatic stirring oil adding pipe of shock absorber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121509A (en) * | 2010-12-09 | 2011-07-13 | 重庆大学 | Magnetorheological damper with annular and disc-shaped liquid flow resistance channels simultaneously |
| CN103883661A (en) * | 2014-03-13 | 2014-06-25 | 江苏大学 | Slide valve type variable-damping shock absorber matched with air spring and working method thereof |
| CN204344780U (en) * | 2014-12-04 | 2015-05-20 | 江苏电力装备有限公司 | The compensation hydraulic damper of air bag |
| CN108953461A (en) * | 2018-07-12 | 2018-12-07 | 河海大学常州校区 | A kind of in-line arrangement hydraulic damper |
-
2018
- 2018-12-12 CN CN201811515545.0A patent/CN109340293A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121509A (en) * | 2010-12-09 | 2011-07-13 | 重庆大学 | Magnetorheological damper with annular and disc-shaped liquid flow resistance channels simultaneously |
| CN103883661A (en) * | 2014-03-13 | 2014-06-25 | 江苏大学 | Slide valve type variable-damping shock absorber matched with air spring and working method thereof |
| CN204344780U (en) * | 2014-12-04 | 2015-05-20 | 江苏电力装备有限公司 | The compensation hydraulic damper of air bag |
| CN108953461A (en) * | 2018-07-12 | 2018-12-07 | 河海大学常州校区 | A kind of in-line arrangement hydraulic damper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747245A (en) * | 2020-12-14 | 2021-05-04 | 上海智心佳信息技术有限公司 | Intelligent manufacturing automatic stirring oil adding pipe of shock absorber |
| CN112747245B (en) * | 2020-12-14 | 2022-10-04 | 江柴发动机徐州有限公司 | Intelligent manufacturing automatic stirring oil adding pipe of shock absorber |
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Application publication date: 20190215 |
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