CN110107634A - A kind of new double circulation oil-pressure damper - Google Patents
A kind of new double circulation oil-pressure damper Download PDFInfo
- Publication number
- CN110107634A CN110107634A CN201910501968.5A CN201910501968A CN110107634A CN 110107634 A CN110107634 A CN 110107634A CN 201910501968 A CN201910501968 A CN 201910501968A CN 110107634 A CN110107634 A CN 110107634A
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- China
- Prior art keywords
- oil
- guide holder
- valve
- storage cylinder
- oil storage
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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
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
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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
- F16F9/3214—Constructional features of pistons
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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
- F16F9/3235—Constructional features of cylinders
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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
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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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
- F16F9/38—Covers for protection or appearance
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention provides a kind of new double circulation oil-pressure dampers, including inner cylinder, oil storage cylinder, piston, piston rod, the inside of the oil storage cylinder is arranged in the inner cylinder, the inside of the inner cylinder is arranged in the piston, the oil storage cylinder both ends are respectively equipped with preceding guide holder and rear guide holder, one end of the piston rod is connected with the piston, and other end sequentially passes through the preceding guide holder of the inner cylinder, oil storage cylinder and oil storage cylinder and can move back and forth along the oil storage cylinder；The preceding guide holder top, which is equipped with, stretches damping regulating valve, and lower part is equipped with compression oil sucting one-way valve；Guide holder top is equipped with compression damping regulating valve after described, and lower part, which is equipped with, stretches oil sucting one-way valve.The present invention stretches the top for damping regulating valve and compression damping regulating valve by being moved to preceding guide holder and rear guide holder on piston for Two-way Cycle damper, since the adjusting blind nut of damping regulating valve is exposed on the outside of guide holder, therefore damper can be run on one side, adjust damping force in real time on one side.
Description
Technical field
The present invention relates to damper technical fields, particularly, are related to a kind of new double circulation oil-pressure damper.
Background technique
Important component of the oil-pressure damper as vehicle suspension system, influence vehicle operation safety, stationarity and relax
Adaptive.The direction that oil-pressure damper is flowed according to oil liquid can be divided into single cycle and Two-way Cycle two types.The two respectively has feature,
The damping force of stretching and the compression of single cycle damper is of substantially equal, has symmetrical characteristic.Two-way Cycle damper can then divide
It Tiao Zheng not stretch and compression damping power, have its unique advantage in some special occasions.
And in the prior art, Two-way Cycle damper is realized by the orifice valve on regulating piston, due to piston
Orifice valve is located inside damper, when debugging orifice valve every time, it is necessary to first disintegrate to damper, then just be adjustable damping
Therefore power operates more troublesome.
Therefore, it is badly in need of a kind of new technique of two-cycle oil pressure damper in the industry.
Summary of the invention
It is an object of that present invention to provide a kind of new double circulation oil-pressure dampers, to solve the resistance of damper in the prior art
Buddhist nun's regulating valve is respectively positioned on the piston inside damper, it has not been convenient to the technical issues of adjusting damping force.
To achieve the above object, the present invention provides a kind of new double circulation oil-pressure dampers, which is characterized in that including interior
The inside of the oil storage cylinder is arranged in oil cylinder, oil storage cylinder, piston, piston rod, the inner cylinder, and the piston is arranged described interior
The inside of oil cylinder, the oil storage cylinder both ends are respectively equipped with preceding guide holder and rear guide holder, one end of the piston rod and the work
Plug is connected, and other end sequentially passes through the preceding guide holder of the inner cylinder, oil storage cylinder and oil storage cylinder and can be along the oil storage
Cylinder moves back and forth；The preceding guide holder top, which is equipped with, stretches damping regulating valve, and lower part is equipped with compression oil sucting one-way valve；It is led after described
It is equipped with compression damping regulating valve to seat top, lower part, which is equipped with, stretches oil sucting one-way valve.
Further, the stretching damping regulating valve and compression damping regulating valve include the tune being sequentially connected from top to bottom
Save blind nut, the first spring, valve seat and pedestal.
Further, the top of preceding guide holder and rear guide holder is equipped at least one band internal thread valve opening, adjusts
Blind nut is equipped with external screw thread, is connected through a screw thread and the first spring, valve seat and pedestal are sequentially fixed in the valve opening of guide holder.
Further, the compression oil sucting one-way valve and to stretch oil sucting one-way valve include oil suction valve block, fixing screws, the
Two springs and oil-sucking hole.
Further, the oil suction valve block is semi-circular shape, and the oil sucting valve on piece of semi-circular shape is equipped at least one through-hole；
The lower part of preceding guide holder and rear guide holder position corresponding with the through-hole of oil sucting valve on piece is equipped at least one tapped blind hole,
Fixing screws sequentially pass through the through-hole of oil sucting valve on piece and second spring is fixed on the tapped blind hole of guide holder；The oil-sucking hole
The position that oil suction valve block blocks on preceding guide holder and rear guide holder is set.
Further, the preceding guide holder top is equipped with 1-3 stretching and damps regulating valve, and lower part is equipped with 1-3 compression and inhales
Oily check valve.
Further, the rear guide holder top is equipped with 1-3 compression damping regulating valve, and lower part is equipped with 1-3 stretching and inhales
Oily check valve.
Further, the preceding guide holder passes through drive end bearing bracket for oil storage cylinder forward end seal, the preceding guide holder and drive end bearing bracket
Between be equipped with front seal.
Further, the rear guide holder passes through rear end cap for oil storage cylinder back-end sealing, the rear guide holder and rear end cap
Between be equipped with rear seal.
The invention has the following advantages:
(1) a kind of new double circulation oil-pressure damper provided by the invention, including inner cylinder, oil storage cylinder, piston, piston
The inside of the oil storage cylinder is arranged in bar, the inner cylinder, and the inside of the inner cylinder, the oil storage cylinder is arranged in the piston
Both ends are respectively equipped with preceding guide holder and rear guide holder, and one end of the piston rod is connected with the piston, other end according to
It is secondary across the inner cylinder, oil storage cylinder and oil storage cylinder preceding guide holder and can move back and forth along the oil storage cylinder；It is described it is leading to
Seat top, which is equipped with, stretches damping regulating valve, and lower part is equipped with compression oil sucting one-way valve；Guide holder top is equipped with compression damping after described
Regulating valve, lower part, which is equipped with, stretches oil sucting one-way valve.Because stretching damping regulating valve and compression damping regulating valve being arranged at top,
And the adjusting blind nut for stretching damping regulating valve and compression damping regulating valve is all exposed on the outside of guide holder, in pilot scale study
In the process, damper can be run on one side, is adjusted on one side, observe the damping force of damper in real time.Therefore, which subtracts
Vibration device had both had a stretching damping force and the characteristics of compression damping power can be adjusted respectively, convenient but also with damping force, in real time
The advantages of adjusting.
(2) a kind of new double circulation oil-pressure damper provided by the invention is by the stretching damping force of Two-way Cycle damper
Regulating valve and compression damping force regulating valve are moved to preceding guide holder and rear guide holder by original setting on piston.Such vibration damping
The piston of device is not provided with any orifice valve or check valve, can completely cut off rod chamber and rodless cavity completely.The oil of rod chamber in this way
Liquid is controlled by preceding guide holder and is passed in and out, and the oil liquid of rodless cavity is controlled by rear guide holder to be passed in and out, and the two does not interfere with each other, can be controlled separately
The damping force for stretching and compressing.
(3) a kind of new double circulation oil-pressure damper provided by the invention, by the way that guide holder is divided into preceding guide holder with after
Guide holder two parts, while multiple resistance control valves are arranged in top, lower part is arranged multiple oil sucting one-way valves, is not only convenient for adjusting,
Damping characteristic can be adjusted according to the actual demand of vehicle simultaneously, meet the requirement of vehicle.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the preferred embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the preceding guide holder of the preferred embodiment of the present invention；
Fig. 3 is the stretching damping regulating valve of the preferred embodiment of the present invention or the structural schematic diagram of compression damping regulating valve
Wherein, 1, dirt-proof boot, 2, piston rod, 3, drive end bearing bracket, 4, front seal, 5, preceding guide holder, 6, stretching damping adjusting
Valve, 7, compression oil sucting one-way valve, 7.1, oil suction valve block, 7.2, fixing screws, 7.4, oil-sucking hole, 8, piston, 9, inner cylinder, 10,
Oil storage cylinder, 11, rear guide holder, 12, compression damping regulating valve, 13, stretching oil sucting one-way valve, 14, rear seal, 15, rear end cap,
16, blind nut, the 17, first spring, 18, valve seat, 19, pedestal are adjusted.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Referring to Fig. 1 to Fig. 3, a kind of new double circulation oil-pressure damper, including inner cylinder 9, oil storage cylinder 10, piston 8, piston
The inside of the oil storage cylinder 10 is arranged in bar 2, the inner cylinder 9, and the inside of the inner cylinder 9 is arranged in the piston 8, described
10 both ends of oil storage cylinder are respectively equipped with preceding guide holder 5 and rear guide holder 11, and one end of the piston rod 2 is connected with the piston 8,
Its other end sequentially passes through the preceding guide holder 5 of the inner cylinder 9, oil storage cylinder 10 and oil storage cylinder 10 and can be along the oil storage cylinder 10
Move back and forth；5 top of preceding guide holder, which is equipped with, stretches damping regulating valve 6, and lower part is equipped with compression oil sucting one-way valve 7；After described
11 top of guide holder is equipped with compression damping regulating valve 12, and lower part, which is equipped with, stretches oil sucting one-way valve 13.
Damping regulating valve 6 and the compression damping regulating valve 12 of stretching includes the adjusting blind nut being sequentially connected from top to bottom
16, the first spring 17, valve seat 18 and pedestal 19 (as shown in Figure 3).In a specific embodiment, the preceding guide holder top
If there are three damping regulating valve is stretched, it is described after guide holder top set there are three compression damping regulating valve.Correspondingly, front and back is oriented to
Seat top is all provided with there are three band internal thread valve opening, is adjusted blind nut 16 and is equipped with external screw thread, is connected through a screw thread the first spring
17, valve seat 18 and pedestal 19 are sequentially fixed in the valve opening of guide holder.When shock absorber movement, oil liquid is acted on by pedestal 19
Above valve seat 18, and the first spring 17 is squeezed, when the damping force of oil liquid is more than the precompression of spring, valve seat 18 goes out with pedestal 19
Existing gap, oil liquid can enter oil storage cylinder 10 from inner cylinder 9 by damping regulating valve.
The compression oil sucting one-way valve 7 includes oil suction valve block 7.1, fixing screws 7.2, second spring and oil-sucking hole 7.4.Institute
It is identical as compression 7 structures of oil sucting one-way valve to state stretching oil sucting one-way valve 13.In a specific embodiment, the oil suction
Valve block is semi-circular shape, in order to guarantee that valve block is opened steadily, is set on semicircular ring valve block there are three through-hole, preceding guide holder is led with after
It is all provided with to the lower part of seat position corresponding with the through-hole of oil sucting valve on piece there are three tapped blind hole, fixing screws sequentially pass through suction
The through-hole and second spring of oil valve on piece are fixed on the tapped blind hole of guide holder.The oil-sucking hole setting is in preceding guide holder with after
The position that oil suction valve block can block on guide holder.It, can be tight with oil-sucking hole by valve block in this way by the precompression of second spring
Closely connected conjunction forms a check valve.When the pressure of oil liquid is consistent with the precompression direction of second spring, oil sucting one-way valve is kept
Closed state overcomes spring force when the pressure direction of oil liquid is contrary with the precompression of second spring, and oil suction valve block leaves
Oil-sucking hole, oil sucting one-way valve are opened, and oil liquid can enter inner cylinder 9 by oil storage cylinder 10.
The preceding guide holder 5 passes through drive end bearing bracket 3 by 10 forward end seal of oil storage cylinder, between the preceding guide holder 5 and drive end bearing bracket 3
Equipped with front seal 4.Guide holder 11 is by rear end cap 15 by 10 back-end sealing of oil storage cylinder after described, and the rear guide holder 11 is with after
Rear seal 14 is equipped between end cap 15.
Any orifice valve or list are not provided on a kind of piston of new double circulation oil-pressure damper provided by the invention
To valve, inner cylinder can be completely cut off completely for rod chamber and rodless cavity.Specific works engineering is as follows:
When damper stretches, piston 8 is moved to the left, and rod chamber volume becomes smaller, squeeze the oil liquid of rod chamber by it is leading to
The stretching damping regulating valve 6 of seat 5 enters oil storage cylinder 10.At this point, compression oil sucting one-way valve 7 is in rod chamber oil liquid pressure and the second bullet
It is in close state under the double action of spring, i.e., oil suction valve block 7.1 covers oil-sucking hole 7.4 completely.At the same time, the body of rodless cavity
Product increases, and becomes negative pressure state, and the stretching oil sucting one-way valve 13 of rear guide holder 11 is opened, i.e. oil suction valve block overcomes second spring
Power, leaves oil-sucking hole, and oil liquid enters inner cylinder 9 by oil-sucking hole by oil storage cylinder 10, fills up rodless cavity.It is living when shock absorbers compression
Plug 8 moves right, and rodless cavity volume becomes smaller, squeeze the oil liquid of rodless cavity by the compression damping regulating valve 12 of rear guide holder 11 into
Enter oil storage cylinder 10, at this point, stretching oil sucting one-way valve 13 under the double action of rodless cavity oil liquid pressure and second spring in pass
Shape is closed, i.e. oil suction valve block covers oil-sucking hole.At the same time, the volume of rod chamber increases, and becomes negative pressure state, preceding guide holder 5
The power that the compression opening of oil sucting one-way valve 7, i.e. oil suction valve block 7.1 overcome second spring, leaves oil-sucking hole 7.4, oil liquid is by oil storage cylinder
10, which enter through oil-sucking hole 7.4, enters inner cylinder 9, fills up rod chamber.In this process, the completely isolated rod chamber of piston and
The oil liquid of rodless cavity exchanges.The oil liquid of rod chamber is controlled by preceding guide holder and is passed in and out in this way, and the oil liquid of rodless cavity is by rear guide holder control
System disengaging, the two are not interfere with each other, and can be controlled separately the damping force of stretching and compression.
When debugging damping force, drive end bearing bracket 3 and front seal 4 can not installed first damper, the drawing of guide holder 5 preceding in this way
The adjusting blind nut 16 for stretching damping regulating valve 6 just exposes on the outside of preceding guide holder, can adjust stretching damping force in real time.Equally, after
End cap 15 and rear seal 14 can also not installed first, and the adjusting blind nut 16 of the compression damping regulating valve 12 of rear guide holder 11 exposes
On the outside of preceding guide holder, compression damping power can be adjusted in real time.After to be tensioned and compression damping power is adjusted in place, it is loaded on front and back
Sealing element and front and rear cover.It should be understood that drive end bearing bracket and front seal can not installed first, in this way not counting disintegrating, because
Here front seal finally ensures the sealing of formula just for the oil liquid for being possible to leakage together, and not filling does not influence product
Can, the debugging said herein, not instead of damper carry out after entrucking, and there are no debugging when factory in process of production
Damping force work；Rear end cap and rear seal can also not install first and same reason.
Two-way Cycle damper in compared with the existing technology is realized by the orifice valve on regulating piston, due to work
Plug orifice valve is located inside damper, when adjusting orifice valve every time, it is necessary to first disintegrate to damper, then just be adjustable resistance
Buddhist nun's power.The present invention because stretch damping regulating valve and compression damping regulating valve is arranged at top, and stretch damping regulating valve and
The adjusting blind nut of compression damping regulating valve is all exposed on the outside of guide holder, can be run on one side during pilot scale study
Damper is adjusted on one side, observes the damping force of damper in real time.Therefore, which both has stretching resistance
The characteristics of Buddhist nun's power and compression damping power can be adjusted respectively, the advantages of adjusting convenient but also with damping force, real-time.
Moreover, a kind of new double circulation oil-pressure damper provided by the invention, by guide holder before being divided into guide holder and
Guide holder two parts afterwards, while multiple resistance control valves are arranged in top, lower part is arranged multiple oil sucting one-way valves, is not only convenient for adjusting
Section, while damping characteristic can be adjusted according to the actual demand of vehicle, meet the requirement of vehicle.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of new double circulation oil-pressure damper, which is characterized in that described including inner cylinder, oil storage cylinder, piston, piston rod
The inside of the oil storage cylinder is arranged in inner cylinder, and the inside of the inner cylinder, the oil storage cylinder both ends point are arranged in the piston
Not She You preceding guide holder and rear guide holder, one end of the piston rod is connected with the piston, and other end sequentially passes through
The inner cylinder, oil storage cylinder and oil storage cylinder preceding guide holder and can move back and forth along the oil storage cylinder；The preceding guide holder top
Regulating valve is damped equipped with stretching, lower part is equipped with compression oil sucting one-way valve；Guide holder top is equipped with compression damping regulating valve after described,
Lower part, which is equipped with, stretches oil sucting one-way valve.
2. a kind of new double circulation oil-pressure damper according to claim 1, which is characterized in that the stretching damping is adjusted
Valve and compression damping regulating valve include the adjusting blind nut being sequentially connected from top to bottom, the first spring, valve seat and pedestal.
3. a kind of new double circulation oil-pressure damper according to claim 2, which is characterized in that preceding guide holder and rear guiding
The top of seat is equipped at least one band internal thread valve opening, adjusts blind nut and is equipped with external screw thread, is connected through a screw thread first
Spring, valve seat and pedestal are sequentially fixed in the valve opening of guide holder.
4. a kind of new double circulation oil-pressure damper according to claim 1, which is characterized in that the compression oil suction is unidirectional
Valve and stretching oil sucting one-way valve include oil suction valve block, fixing screws, second spring and oil-sucking hole.
5. a kind of new double circulation oil-pressure damper according to claim 4, which is characterized in that the oil suction valve block is half
The oil sucting valve on piece of circular ring shape, semi-circular shape is equipped at least one through-hole；The lower part and oil sucting valve of preceding guide holder and rear guide holder
The corresponding position of the through-hole of on piece is equipped at least one tapped blind hole, and fixing screws sequentially pass through the through-hole of oil sucting valve on piece
It is fixed on the tapped blind hole of guide holder with second spring；Oil sucting valve is arranged on preceding guide holder and rear guide holder in the oil-sucking hole
The position that piece blocks.
6. a kind of new double circulation oil-pressure damper according to claim 1, which is characterized in that the preceding guide holder top
Regulating valve is damped equipped with 1-3 stretching, lower part is equipped with 1-3 compression oil sucting one-way valve.
7. a kind of new double circulation oil-pressure damper according to claim 1, which is characterized in that guide holder top after described
Equipped with 1-3 compression damping regulating valve, lower part is equipped with 1-3 stretching oil sucting one-way valve.
8. a kind of new double circulation oil-pressure damper according to claim 1, which is characterized in that the preceding guide holder passes through
Oil storage cylinder forward end seal is equipped with front seal by drive end bearing bracket between the preceding guide holder and drive end bearing bracket.
9. a kind of new double circulation oil-pressure damper according to claim 1, which is characterized in that guide holder passes through after described
Oil storage cylinder back-end sealing is equipped with rear seal after described by rear end cap between guide holder and rear end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910501968.5A CN110107634A (en) | 2019-06-11 | 2019-06-11 | A kind of new double circulation oil-pressure damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910501968.5A CN110107634A (en) | 2019-06-11 | 2019-06-11 | A kind of new double circulation oil-pressure damper |
Publications (1)
| Publication Number | Publication Date |
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| CN110107634A true CN110107634A (en) | 2019-08-09 |
Family
ID=67494652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910501968.5A Pending CN110107634A (en) | 2019-06-11 | 2019-06-11 | A kind of new double circulation oil-pressure damper |
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| Country | Link |
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| CN (1) | CN110107634A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701232A (en) * | 2019-09-29 | 2020-01-17 | 成都博仕腾科技有限公司 | Double-oil-way electric control variable damping semi-active oil pressure shock absorber for railway vehicle |
| CN111059198A (en) * | 2019-12-31 | 2020-04-24 | 珠海市业成轨道交通设备科技有限公司 | Double-circulation structure oil pressure shock absorber piston assembly for railway vehicle |
| CN111271407A (en) * | 2020-03-17 | 2020-06-12 | 深圳市中车业成实业有限公司 | Single-circulation-structure oil pressure damper piston assembly for railway vehicle |
| CN115263973A (en) * | 2022-06-24 | 2022-11-01 | 安徽工业大学 | Adjustable hydraulic rotary damper capable of quickly and automatically rebounding |
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| CN108679146A (en) * | 2018-07-02 | 2018-10-19 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of EMU oil-pressure damper |
| CN210003733U (en) * | 2019-06-11 | 2020-01-31 | 湖南联诚轨道装备有限公司 | novel double-circulation oil pressure shock absorber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101016927A (en) * | 2007-02-15 | 2007-08-15 | 株洲联诚集团减振器有限责任公司 | Seal structure of oil-pressure shock absorber |
| CN105240442A (en) * | 2015-11-03 | 2016-01-13 | 株洲时代装备技术有限责任公司 | Oil damper |
| CN107839489A (en) * | 2017-11-30 | 2018-03-27 | 株洲联诚集团控股股份有限公司 | A kind of pantograph |
| CN108679146A (en) * | 2018-07-02 | 2018-10-19 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of EMU oil-pressure damper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701232A (en) * | 2019-09-29 | 2020-01-17 | 成都博仕腾科技有限公司 | Double-oil-way electric control variable damping semi-active oil pressure shock absorber for railway vehicle |
| CN111059198A (en) * | 2019-12-31 | 2020-04-24 | 珠海市业成轨道交通设备科技有限公司 | Double-circulation structure oil pressure shock absorber piston assembly for railway vehicle |
| CN111271407A (en) * | 2020-03-17 | 2020-06-12 | 深圳市中车业成实业有限公司 | Single-circulation-structure oil pressure damper piston assembly for railway vehicle |
| CN115263973A (en) * | 2022-06-24 | 2022-11-01 | 安徽工业大学 | Adjustable hydraulic rotary damper capable of quickly and automatically rebounding |
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