CN109340295A - 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
- CN109340295A CN109340295A CN201811515591.0A CN201811515591A CN109340295A CN 109340295 A CN109340295 A CN 109340295A CN 201811515591 A CN201811515591 A CN 201811515591A CN 109340295 A CN109340295 A CN 109340295A
- Authority
- CN
- China
- Prior art keywords
- end cap
- fuel tank
- right end
- auxiliary fuel
- oil
- 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
- 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
-
- 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 the support of right plunger, right end cap, the first check valve, cylinder barrel, piston, second one-way valve, third check valve, left end cap, piston rod, left plunger, auxiliary fuel tank left end cap, auxiliary fuel tank cylinder barrel, second throttle, air bag, air bag bracket, first throttle valve, air bag bracket and auxiliary fuel tank right end cap；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, meet the volume change in the damper course of work, 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 single-piston rod hydraulic damper, using setting piston and spring knot in auxiliary fuel tank
To meet the volume change of working fluid in the damper course of work auxiliary fuel tank is arranged in the structure of damper periphery in structure,
Piston in auxiliary fuel tank, which needs to be formed simultaneously and outside auxiliary fuel tank inner wall of cylinder and damper cylinder barrel, to be slidably matched and dynamic sealing, mentions
The high difficulty of processing of part, increases the production cost of damper, reduces the reliability of damper 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, the first check valve, cylinder barrel, piston, second
Check valve, third check valve, left end cap, piston rod, left plunger, auxiliary fuel tank left end cap, auxiliary fuel tank cylinder barrel, second throttle, gas
Capsule, air bag bracket, first throttle valve, air bag bracket support and auxiliary fuel tank right end cap；
The inside middle of the right end cap offers right end cap oil pocket, and it is logical that the middle part periphery of right end cap offers right end cap annular
Road is linked up between right end cap oil pocket and right end cap circular passage and offers right end cap axial passage；
First check valve, second one-way valve, third check valve are reversed open type check valve, and oil inlet is to oil outlet
Flowing is forward flow, belongs to normally open；Oil outlet to the flowing of oil inlet be reverse flow, when working fluid low speed from go out
When hydraulic fluid port flows to oil inlet, the first check valve, second one-way valve, third check valve are in reversed opening state, work as working fluid
When the speed for flowing to oil inlet from oil outlet is greater than certain value (definite value of speed is set according to actual needs), the first check valve,
Second one-way valve, third check valve are in reversed closed state；
First check valve is mounted on inside right end cap left end, the oil outlet of the first check valve and the first check valve vent line phase
Connection, the oil inlet of the first check valve are connected by the first check valve in-line with right end cap oil pocket；
The first throttle valve is mounted on inside right end cap left end, oil inlet and the first throttle valve in-line phase of first throttle valve
Connection, the oil outlet of first throttle valve are connected by first throttle valve vent line with right end cap oil pocket；
The right hand top of the cylinder barrel axially offers cylinder barrel oil-through-hole；
The right part of the piston rod offer axially through piston rod oil-through-hole；
The oil inlet of the second one-way valve and third check valve is interconnected, and second one-way valve and third check valve are mounted on work
Inside the right end of stopper rod, the oil outlet of third check valve is connected by third check valve vent line with piston rod oil-through-hole, the
The oil outlet of two check valves is connected with second one-way valve vent line；
The second throttle is mounted on inside the right end of piston rod, and the oil inlet of second throttle passes through second throttle oil inlet
Road is connected with piston rod oil-through-hole, and the oil outlet of second throttle is connected with second throttle vent line；
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 cylinder barrel, and is formed and be reliably connected, right end cap circular passage and the alignment of cylinder barrel oil-through-hole
And be connected to, sealing element is mounted at left and right sides of right end cap circular passage, and reliable sealing is formed between the inner wall of cylinder barrel；
The piston and piston rod are reliably connected integrally, and sealing element is equipped between piston and piston rod, are linked into an integrated entity
In piston and piston rod insertion cylinder barrel, it is provided with guidance tape and sealing element between piston and the inner wall of cylinder barrel, piston and cylinder barrel
It is formed and is slidably matched between inner wall, piston can be realized in the inside of cylinder barrel and be moved left and right, the right side of piston and a left side for right end cap
Working chamber A is formed between side, the first check valve vent line and first throttle valve in-line are connected with working chamber A, and second is single
It is connected to valve vent line and second throttle vent line with working chamber A；
The left end cap suit on the piston rod, and is reliably connected the left end of cylinder barrel, is provided between left end cap and piston rod
Dustband, guidance tape and sealing element, are provided with sealing element between left end cap and cylinder barrel, the left side of the right side of left end cap and piston it
Between form working chamber B, the oil outlet of third check valve passes through third check valve vent line and piston rod oil-through-hole and working chamber B phase
Connection, the oil inlet of second throttle are connected by second throttle in-line and piston rod oil-through-hole with working chamber B；
The auxiliary fuel tank right end cap is sleeved on the outer wall of cylinder barrel, and right end pushes against right end cap, auxiliary fuel tank right end cap and cylinder barrel it is outer
Sealing element is installed between wall；
The auxiliary fuel tank cylinder barrel is sleeved on the periphery of auxiliary fuel tank right end cap, the inner wall of auxiliary fuel tank cylinder barrel and auxiliary fuel tank right end cap it is outer
Sealing element is provided between week；
The air bag bracket support, air bag bracket, air bag are successively fit into from left to right between auxiliary fuel tank cylinder barrel and cylinder barrel, auxiliary
Fuel tank left end cap is sleeved on the outer wall of cylinder barrel, and right side is the peripherally inserted in auxiliary fuel tank cylinder barrel, auxiliary fuel tank left end cap and cylinder barrel and auxiliary
Sealing element is provided between fuel tank cylinder barrel, auxiliary fuel tank left end cap is fixed by the ferrule structure in left side, auxiliary fuel tank left end
Auxiliary oil pocket C is formed between lid and auxiliary fuel tank right end cap, cylinder barrel oil-through-hole is connected with auxiliary oil pocket C；
Nitrogen is precharged in the gas chamber D of the air bag (pressure of nitrogen is set according to actual needs)；
The left plunger is reliably connected with piston rod formation；
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, second throttle can be cancelled single or whole in damper.
Above-mentioned first throttle valve, second throttle can be replaced in damper with throttle orifice or throttling passage.
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, meets damping
Volume change in the device course of work is converted to the dynamic sealing of piston in auxiliary fuel tank the static seal of end cap and cylinder barrel, structure letter
It is single, the production cost of hydraulic damper is effectively reduced, hydraulic damper functional reliability is improved.
Detailed description of the invention
Fig. 1 is structural schematic diagram 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, the first check valve
3, cylinder barrel 4, piston 5, second one-way valve 6, third check valve 7, left end cap 8, piston rod 9, left plunger 10, auxiliary fuel tank left end cap
11, auxiliary fuel tank cylinder barrel 12, second throttle 13, air bag 14, air bag bracket 15, first throttle valve 16, air bag bracket support 17 and
Auxiliary fuel tank right end cap 18；
The inside middle of the right end cap 2 offers right end cap oil pocket 2-1, and the middle part periphery of right end cap 2 offers right end bezel ring,
It is linked up between shape channel 2-3, right end cap oil pocket 2-1 and right end cap circular passage 2-3 and offers right end cap axial passage 2-2；
First check valve 3, second one-way valve 6, third check valve 7 are reversed open type check valve, and oil inlet is to fuel-displaced
The flowing of mouth is forward flow, belongs to normally open；Oil outlet to the flowing of oil inlet be reverse flow, when working fluid low speed
When flowing to oil inlet from oil outlet, the first check valve 3, second one-way valve 6, third check valve 7 are in reversed opening state, work as work
Make (definite value of speed is set according to actual needs) when oil liquid is greater than certain value from the speed that oil outlet flows to oil inlet, first is single
Reversed closed state is in valve 3, second one-way valve 6, third check valve 7；
First check valve 3 is mounted on inside 2 left end of right end cap, and the oil outlet and the first check valve of the first check valve 3 are fuel-displaced
Road 3-2 is connected, and the oil inlet of the first check valve 3 is connected by the first check valve in-line 3-1 with right end cap oil pocket 2-1；
The first throttle valve 16 is mounted on inside 2 left end of right end cap, the oil inlet of first throttle valve 16 and first throttle valve into
Oil circuit 16-1 is connected, and the oil outlet of first throttle valve 16 passes through first throttle valve vent line 16-2 and right end cap oil pocket 2-1 phase
Connection；
The right hand top of the cylinder barrel 4 axially offers cylinder barrel oil-through-hole 4-1；
The right part of the piston rod 9 offer axially through piston rod oil-through-hole 9-1；
The oil inlet of the second one-way valve 6 and third check valve 7 is interconnected, and second one-way valve 6 and third check valve 7 are installed
Inside the right end of piston rod 9, the oil outlet of third check valve 7 passes through third check valve vent line 7-1 and piston rod oil-through-hole
9-1 is connected, and the oil outlet of second one-way valve 6 is connected with second one-way valve vent line 6-1；
The second throttle 13 is mounted on inside the right end of piston rod 9, and the oil inlet of second throttle 13 passes through the second throttling
Valve in-line 13-1 is connected with piston rod oil-through-hole 9-1, the oil outlet and second throttle vent line 13- of second throttle 13
2 are 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 cylinder barrel 4, and is formed and be reliably connected, right end cap circular passage 2-3 and cylinder barrel oil-through-hole
4-1 is aligned and is connected to, and sealing element, and the shape between the inner wall of cylinder barrel 4 are mounted at left and right sides of the 2-3 of right end cap circular passage
At reliable sealing；
The piston 5 and piston rod 9 are reliably connected integrally, are equipped with sealing element between piston 5 and piston rod 9, are connected into one
In piston 5 and piston rod 9 the insertion cylinder barrel 4 of body, guidance tape and sealing element, piston are provided between piston 5 and the inner wall of cylinder barrel 4
It is formed and is slidably matched between 5 and the inner wall of cylinder barrel 4, piston 5 can be realized in the inside of cylinder barrel 4 and be moved left and right, the right side of piston 5
Between the left side of right end cap 2 formed working chamber A, the first check valve vent line 3-1 and first throttle valve in-line 16-1 with
Working chamber A is connected, and second one-way valve vent line 6-1 and second throttle vent line 13-2 are connected with working chamber A；
The left end cap 8 is sleeved on piston rod 9, and is reliably connected the left end of cylinder barrel 4, is set between left end cap 8 and piston rod 9
It is equipped with dustband, guidance tape and sealing element, sealing element, the right side of left end cap 8 and piston 5 are provided between left end cap 8 and cylinder barrel 4
Left side between form working chamber B, the oil outlet of third check valve 7 passes through third check valve vent line 7-1 and the logical oil of piston rod
Hole 9-1 is connected with working chamber B, and the oil inlet of second throttle 13 passes through second throttle in-line 13-1 and the logical oil of piston rod
Hole 9-1 is connected with working chamber B；
The auxiliary fuel tank right end cap 18 is sleeved on the outer wall of cylinder barrel 4, and right end pushes against right end cap 2, auxiliary fuel tank right end cap 18 and cylinder
Sealing element is installed between the outer wall of cylinder 4；
The auxiliary fuel tank cylinder barrel 12 is sleeved on the periphery of auxiliary fuel tank right end cap 18, the inner wall of auxiliary fuel tank cylinder barrel 12 and auxiliary fuel tank right end
Sealing element is provided between the periphery of lid 18；
The air bag bracket support 17, air bag bracket 15, air bag 14 are successively fit into auxiliary fuel tank cylinder barrel 12 and cylinder from left to right
Between cylinder 4, auxiliary fuel tank left end cap 11 is sleeved on the outer wall of cylinder barrel 4, and right side is the peripherally inserted in auxiliary fuel tank cylinder barrel 12, and auxiliary fuel tank is left
Sealing element is provided between end cap 11 and cylinder barrel 4 and auxiliary fuel tank cylinder barrel 12, auxiliary fuel tank left end cap 11 passes through the cutting ferrule knot in left side
Structure is fixed, and auxiliary oil pocket C, cylinder barrel oil-through-hole 4-1 and auxiliary oil are formed between auxiliary fuel tank left end cap 11 and auxiliary fuel tank right end cap 18
Chamber C is connected；
Nitrogen is precharged in the gas chamber D of the air bag 14 (pressure of nitrogen is set according to actual needs)；
The left plunger 10 is reliably connected with the formation of piston rod 9；
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 14 is annular air-pocket or strip air bag.
Above-mentioned air bag 14 is replaced with the other elastomers in addition to air bag.
Above-mentioned first throttle valve 16, second throttle 13 can be cancelled single or whole in damper.
Above-mentioned first throttle valve 16, second throttle 13 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 10 with it is external
Equipment is connected.
The external equipment band mutually right low mobility state of fluctuation dampers, external equipment are driven by left plunger 10, piston rod 9 and are lived
It fills in 5 low speed to move right, on the one hand oil liquid in working chamber A passes through that second one-way valve 6 is reversed, third check valve 7 is positive and the
Two throttle valves 13 flow into working chamber B, and on the other hand, oil liquid in working chamber A is by the way that the first check valve 3 is reversed and first throttle
Valve 16 flows into auxiliary oil pocket C, compressing gasbag 14, so that the volume of gas chamber D reduces；
The external equipment band fluctuation dampers phase right side fast moves state, and external equipment is by left plunger 10, piston rod 9 with piston 5
It quickly moves right, second one-way valve 6 and the first check valve 3 are reversely latched, and the oil liquid in working chamber A is only capable of through the second throttling
Valve 13 flows into working chamber B and flows into auxiliary oil pocket C by first throttle valve 16, forms damping phenomena, generates damping force, balance external
The active force of portion's equipment, plays damping action, flows into the oil liquid compressing gasbag 14 of auxiliary oil pocket C, so that the volume of gas chamber D reduces；
External equipment band fluctuation dampers fail to agree low mobility state, and external equipment is by left plunger 10, piston rod 9 with piston 5
Low speed is moved to the left, and the oil liquid in one side working chamber B is reversed by third check valve 7, second one-way valve (6) is positive and second
Throttle valve 13 flows into working chamber A, and on the other hand, 14 volume expansion of air bag pushes the oil liquid in auxiliary fuel tank C unidirectional by first
Valve 3 is positive and first throttle valve 16 flows into working chamber A；
External equipment band fluctuation dampers fail to agree the state of fast moving, and external equipment is by left plunger 10, piston rod 9 with piston 5
It is quickly moved to the left, third check valve 7 is reversely latched, and the oil liquid in one side working chamber B is only capable of flowing by second throttle 13
Enter in working chamber A, forms damping force, balance the active force of external equipment, play damping action, on the other hand, 14 volume of air bag
Expansion pushes the oil liquid in auxiliary fuel tank C to flow into working chamber A by 3 forward direction of the first check valve and first throttle valve 16.
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), the first list
To valve (3), cylinder barrel (4), piston (5), second one-way valve (6), third check valve (7), left end cap (8), piston rod (9), left pin
Head (10), auxiliary fuel tank left end cap (11), auxiliary fuel tank cylinder barrel (12), second throttle (13), air bag (14), air bag bracket (15),
First throttle valve (16), air bag bracket support (17) and auxiliary fuel tank right end cap (18)；
The inside middle of the right end cap (2) offers right end cap oil pocket (2-1), and the middle part periphery of right end cap (2) offers the right side
End cap circular passage (2-3) is linked up between right end cap oil pocket (2-1) and right end cap circular passage (2-3) and offers right end cap
Axial passage (2-2)；
First check valve (3), second one-way valve (6), third check valve (7) are reversed open type check valve, oil inlet
It is forward flow to the flowing of oil outlet, belongs to normally open；Oil outlet is reverse flow to the flowing of oil inlet, works as working oil
When liquid low speed flows to oil inlet from oil outlet, the first check valve (3), second one-way valve (6), third check valve (7) are in reversed
Opening state, when working fluid is greater than certain value from the speed that oil outlet flows to oil inlet, the first check valve (3), the second list
Reversed closed state is in valve (6), third check valve (7)；
First check valve (3) is mounted on inside right end cap (2) left end, and the oil outlet of the first check valve (3) and first is unidirectionally
Valve vent line (3-2) is connected, and the oil inlet of the first check valve (3) passes through the first check valve in-line (3-1) and right end cap oil
Chamber (2-1) is connected；
The first throttle valve (16) is mounted on inside right end cap (2) left end, the oil inlet and first segment of first throttle valve (16)
Stream valve in-line (16-1) is connected, and the oil outlet of first throttle valve (16) passes through first throttle valve vent line (16-2) and right end
Lid oil pocket (2-1) is connected；
The right hand top of the cylinder barrel (4) axially offers cylinder barrel oil-through-hole (4-1)；
The right part of the piston rod (9) offer axially through piston rod oil-through-hole (9-1)；
The oil inlet of the second one-way valve (6) and third check valve (7) is interconnected, and second one-way valve (6) and third are unidirectional
Valve (7) is mounted on inside the right end of piston rod (9), and the oil outlet of third check valve (7) passes through third check valve vent line (7-1)
It is connected with piston rod oil-through-hole (9-1), the oil outlet of second one-way valve (6) is connected with second one-way valve vent line (6-1)；
The second throttle (13) is mounted on inside the right end of piston rod (9), and the oil inlet of second throttle (13) passes through the
Two throttle valve in-lines (13-1) are connected with piston rod oil-through-hole (9-1), the oil outlet and the second section of second throttle (13)
Stream valve vent line (13-2) 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 cylinder barrel (4), and is formed and be reliably connected, right end cap circular passage (2-3) and cylinder barrel
Oil-through-hole (4-1), which is aligned, to be simultaneously connected to, and is mounted on sealing element at left and right sides of right end cap circular passage (2-3), and with cylinder barrel (4)
Inner wall between form reliable sealing；
The piston (5) and piston rod (9) are reliably connected integrally, are equipped with sealing element between piston (5) and piston rod (9),
In piston (5) and piston rod (9) insertion cylinder barrel (4) to link into an integrated entity, it is provided between piston (5) and the inner wall of cylinder barrel (4)
Guidance tape and sealing element are formed between piston (5) and the inner wall of cylinder barrel (4) and are slidably matched, and piston (5) can be in cylinder barrel (4)
Inside is realized and is moved left and right, and working chamber A is formed between the right side of piston (5) and the left side of right end cap (2), and the first check valve is fuel-displaced
Road (3-1) and first throttle valve in-line (16-1) are connected with working chamber A, second one-way valve vent line (6-1) and second
Throttle valve vent line (13-2) is connected with working chamber A；
The left end cap (8) is sleeved on piston rod (9), and is reliably connected the left end of cylinder barrel (4), left end cap (8) and piston
It is provided with dustband, guidance tape and sealing element between bar (9), is provided with sealing element, left end between left end cap (8) and cylinder barrel (4)
It covers and forms working chamber B between the right side of (8) and the left side of piston (5), the oil outlet of third check valve (7) passes through third check valve
Vent line (7-1) and piston rod oil-through-hole (9-1) are connected with working chamber B, and the oil inlet of second throttle (13) passes through second
Throttle valve in-line (13-1) and piston rod oil-through-hole (9-1) are connected with working chamber B；
The auxiliary fuel tank right end cap (18) is sleeved on the outer wall of cylinder barrel (4), and right end pushes against right end cap (2), auxiliary fuel tank right end cap
(18) sealing element is installed between the outer wall of cylinder barrel (4)；
The auxiliary fuel tank cylinder barrel (12) is sleeved on the periphery of auxiliary fuel tank right end cap (18), the inner wall and auxiliary oil of auxiliary fuel tank cylinder barrel (12)
Sealing element is provided between the periphery of case right end cap (18)；
The air bag bracket support (17), air bag bracket (15), air bag (14) are successively fit into auxiliary fuel tank cylinder barrel from left to right
(12) between cylinder barrel (4), auxiliary fuel tank left end cap (11) is sleeved on the outer wall of cylinder barrel (4), and right side is the peripherally inserted auxiliary fuel tank cylinder
In cylinder (12), sealing element is provided between auxiliary fuel tank left end cap (11) and cylinder barrel (4) and auxiliary fuel tank cylinder barrel (12), auxiliary fuel tank is left
End cap (11) is fixed by the ferrule structure in left side, is formed between auxiliary fuel tank left end cap (11) and auxiliary fuel tank right end cap (18)
Auxiliary oil pocket C, cylinder barrel oil-through-hole (4-1) are connected with auxiliary oil pocket C；
Nitrogen is precharged in the gas chamber D of the air bag (14)；
The left plunger (10) forms with piston rod (9) and is reliably connected；
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 (14)
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 (14)
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 first throttle
Valve (16), second throttle (13), can cancel single or whole in damper.
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 (16), second throttle (13), can be replaced in damper with throttle orifice or throttling passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515591.0A CN109340295A (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 |
|---|---|---|---|
| CN201811515591.0A CN109340295A (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 |
|---|---|
| CN109340295A true CN109340295A (en) | 2019-02-15 |
Family
ID=65303515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811515591.0A Pending CN109340295A (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) | CN109340295A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748593A (en) * | 2019-07-16 | 2020-02-04 | 宁波一力减震器有限公司 | Hydraulic damper |
| CN111895020A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895022A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895019A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895025A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895024A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895021A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895023A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN113503382A (en) * | 2021-09-11 | 2021-10-15 | 启东德乐润滑设备有限公司 | Automatic reversing valve with aperture self-control function for lubricating system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3913912A1 (en) * | 1989-04-27 | 1990-10-31 | Karl Dr Ing Bittel | Hydraulic single pipe gas pressure shock absorber - has pressure slide valve piece, with packing cones, and piston with hole and choke and compression spring |
| CN104364552A (en) * | 2012-05-30 | 2015-02-18 | 北京京西重工有限公司 | A suspension damper assembly |
| CN106090103A (en) * | 2016-06-16 | 2016-11-09 | 江苏大学 | A kind of miniature Accumulator for amortisseur |
| CN107687492A (en) * | 2016-12-14 | 2018-02-13 | 北京久硕新材科技发展有限公司 | Shock absorber for vehicle of micro- porous metal fiber felt as damping element |
| 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 CN201811515591.0A patent/CN109340295A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3913912A1 (en) * | 1989-04-27 | 1990-10-31 | Karl Dr Ing Bittel | Hydraulic single pipe gas pressure shock absorber - has pressure slide valve piece, with packing cones, and piston with hole and choke and compression spring |
| CN104364552A (en) * | 2012-05-30 | 2015-02-18 | 北京京西重工有限公司 | A suspension damper assembly |
| CN106090103A (en) * | 2016-06-16 | 2016-11-09 | 江苏大学 | A kind of miniature Accumulator for amortisseur |
| CN107687492A (en) * | 2016-12-14 | 2018-02-13 | 北京久硕新材科技发展有限公司 | Shock absorber for vehicle of micro- porous metal fiber felt as damping element |
| 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 (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748593A (en) * | 2019-07-16 | 2020-02-04 | 宁波一力减震器有限公司 | Hydraulic damper |
| CN111895020A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895022A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895019A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895025A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895024A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895021A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN111895023A (en) * | 2020-06-30 | 2020-11-06 | 河海大学常州校区 | Hydraulic damper with external leakage service prevention function |
| CN113503382A (en) * | 2021-09-11 | 2021-10-15 | 启东德乐润滑设备有限公司 | Automatic reversing valve with aperture self-control function for lubricating system |
| CN113503382B (en) * | 2021-09-11 | 2021-11-19 | 启东德乐润滑设备有限公司 | Automatic reversing valve with aperture self-control function for lubricating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109340295A (en) | A kind of hydraulic damper of the auxiliary fuel tank with air bag | |
| CN108953461A (en) | A kind of in-line arrangement hydraulic damper | |
| KR101885527B1 (en) | Shuttle valve | |
| US7066310B2 (en) | Piston-cylinder unit | |
| CN107771255A (en) | The hydraulic compression stopper element of the hydraulic damper for vehicle suspension with decompressor | |
| CN109340294A (en) | A kind of hydraulic damper of the auxiliary fuel tank with air bag | |
| US9915313B2 (en) | Twin tube damper | |
| US8517153B2 (en) | Suspension damping valve | |
| WO2002099321B1 (en) | Control valve | |
| CN108953462A (en) | A kind of in-line arrangement hydraulic damper | |
| CN208605418U (en) | A kind of pilot type electromagnetic switch valve | |
| CN103953678B (en) | One automatically resets hydraulic damping device | |
| WO2015178089A1 (en) | Cylinder device | |
| CN103542142A (en) | Self-operated check valve | |
| CN106523750B (en) | A kind of relief valve accelerator and pressure relief | |
| CN104180566B (en) | A kind of heating power expansion valve with non-return valve function | |
| CN105952935B (en) | A kind of liquid/gas moves high pressure relief valve | |
| CN109340293A (en) | A kind of hydraulic damper of the auxiliary fuel tank with air bag | |
| CN103423926A (en) | Thermal expansion valve | |
| CN109595421A (en) | A kind of anti-whipping part of high energy pipeline | |
| CN112384716B (en) | Position-dependent shock absorber | |
| CN205331094U (en) | Engineering machine tool liquid accuse back pressure valve | |
| CN206592573U (en) | A kind of corrosion-resistant diaphragm valve | |
| CN109373094A (en) | A kind of anti-whipping part of high energy pipeline | |
| RU2717867C1 (en) | High-speed flow pneumohydraulic impact damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190215 |