CN206092787U - Marine automatic re -setting hydraulic damper - Google Patents
Marine automatic re -setting hydraulic damper Download PDFInfo
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- CN206092787U CN206092787U CN201620961317.6U CN201620961317U CN206092787U CN 206092787 U CN206092787 U CN 206092787U CN 201620961317 U CN201620961317 U CN 201620961317U CN 206092787 U CN206092787 U CN 206092787U
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- piston rod
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- cylindrical rods
- paths
- annular gap
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Abstract
The utility model relates to a marine automatic re -setting hydraulic damper. It has solved the unable automatic re -setting scheduling problem of attenuator for the existing ship. Including damping cylinder body, first column passageway, second column passageway, annular table rank, piston rod, auxiliary piston pole, bush and cylinder cap, form an annular gap between the second column pole one end circumference outside and the bush, form the 2nd annular gap between the other end circumference outside and the annular table rank, and be equipped with reset structure between piston rod and the auxiliary piston pole. The advantage lies in: simple structure, stability is good, and sensitivity is high, and is the motion interval of piston rod 6 20 the operation of millimeter scope makes the stroke of this attenuator little like this, can reach 100 tons load, and just the small boats and ships usefulness that is applicable to will satisfy the load requirement simultaneously, and can carry out automatic re -setting through the spring, and it needs external force to carry out the trouble that resets to have solved traditional attenuator, and is convenient for install.
Description
Technical field
This utility model belongs to damping device technical field, more particularly, to one kind hydraulic damper that automatically resets peculiar to vessel.
Background technology
Antivibrator is that one kind is mainly used in carrying out vibration damping energy dissipating in space flight, aviation, building, bridge, railway, automobile and other industries
Device, which is mainly providing the resistance of motion, depletion kinergety.The antivibrator being for example used on ship, which is main
Effect is the stability and damping property for improving ship itself, but existing ship antivibrator has many deficiencies, for example, resistance
After Buddhist nun's device stress, piston rod needs external force effect reset, and antivibrator cannot automatically reset, and bearing capacity is little, and sensitivity is low, this
Sample easily causes the decline of ship damping effect, and these all greatly threaten the safety of ship.
In order to solve the problems, such as prior art, people have carried out long-term exploration, it is proposed that solution miscellaneous
Scheme.For example, Chinese patent literature discloses a kind of magneto-rheological elastomer intelligent damper for ship [application number：
200910071708.5], it is made up of housing, magnetic rheology elastic body, solenoid group and four part of inner-core, described shell
Body, magnetic rheology elastic body, inner-core are cylinder and have the concyclic heart, and magnetic rheology elastic body is connected to housing with internal ferrum
Between core, solenoid group is fixed on inner-core.Such scheme solves spot ship antivibrator to a certain extent and subtracts
The problem of shake effect difference, but after the program still cannot fundamentally solve antivibrator stress, piston rod needs external force effect
Can reset, antivibrator cannot automatically reset, and bearing capacity is little, the low problem of sensitivity.
The content of the invention
The purpose of this utility model is for the problems referred to above, there is provided a kind of simple and reasonable, can be automatically reset peculiar to vessel
Automatically reset hydraulic damper.
To reach above-mentioned purpose, this utility model employs following technical proposal：This hydraulic damper that automatically resets peculiar to vessel,
Including resistance cylinders, it is characterised in that in the middle part of described resistance cylinders, one end has the first column-like paths, the other end is with the
The second column-like paths that one column-like paths are connected, the diameter of the first described column-like paths are straight more than the second column-like paths
Ring-shaped step is formed between footpath size and the first column-like paths and the second column-like paths, is provided with the first column-like paths along damping
Axially activity is arranged and the piston rod with the first cylindrical rods Yu the second cylindrical rods cylinder body, and described piston rod is connected with slip and sets
The auxiliary piston rod in the second column-like paths is put, is arranged with positioned at the first column-like paths to the periphery in described the first cylindrical rods week
Bushing interior and corresponding with the second cylindrical rods, is provided with the outside of described bushing and is sheathed in the first cylindrical rods and can be by the first column
The cylinder cap of channel end closing, forms first annular gap between second described cylindrical rods one end outer circumferential and bushing, separately
Formed between one end outer circumferential and ring-shaped step and be provided between the second annular gap, and described piston rod and auxiliary piston rod
Piston rod can be made when piston rod stress is axially facing first annular gap or the second annular gap is moved to keep reseting movement to become
The resetting structure of gesture.The motion spacing of piston rod is run in 6-20 millimeters scope, so that the stroke of this antivibrator is little, maximum
100 tons of load is can reach, and small volume is used suitable for ship, while loading demands will be met, and can be entered by resetting structure
Row automatically resets, and solves the trouble that conventional damper needs external force to be resetted.
It is above-mentioned it is peculiar to vessel automatically reset in hydraulic damper, described resetting structure includes being radially arranged in the first column
The first Oil Guide passage being connected between bar and the second cylindrical rods and with first annular gap, described auxiliary piston rod is radially
It is provided between the second Oil Guide passage being connected with the second annular gap, and the first described Oil Guide passage and the second Oil Guide passage
It is connected by core assembly, and described piston rod and/or auxiliary piston rod is connected with and piston rod can be made to retain towards the first ring
The elastic reset component of movement tendency between shape gap and the second annular gap.
It is above-mentioned it is peculiar to vessel automatically reset in hydraulic damper, described core assembly includes being axially disposed within the second column
The first interface channel being connected in bar and with the first Oil Guide passage, is provided with axially extending and with second in described auxiliary piston rod
The second interface channel that Oil Guide passage is connected, is provided with valve seat between the first described interface channel and the second interface channel, described
Valve seat there is valve pad towards second interface channel one end, valve element is movably equipped with valve seat, and described valve element is connected with valve
Core spring.
It is above-mentioned it is peculiar to vessel automatically reset in hydraulic damper, described elastic reset component includes being arranged on bushing close
The circumferential inner side in first annular gap one end and the first annular breach being connected with first annular gap and the first Oil Guide passage respectively,
The (the first back-moving spring leant with piston rod is provided with described first annular breach, the circumferential inner side of described resistance cylinders sets
The the second annular breach for having positioned at the second column-like paths outer circumferential and being connected with the second annular gap, described second are annular
Breach is connected with the second annular gap and the second Oil Guide passage respectively, and is provided with the described second annular breach and auxiliary work
The second back-moving spring that stopper rod outer circumferential leans.During work stress, piston rod movement is after stress stops, multiple by first
Piston rod can be reset to the centre position of antivibrator, i.e. original state for position spring and second back-moving spring.
It is above-mentioned it is peculiar to vessel automatically reset in hydraulic damper, described resistance cylinders be provided with respectively with first annular
The filling passage that gap and/or the second annular breach are connected, and end socket is respectively equipped with described filling passage.
It is above-mentioned it is peculiar to vessel automatically reset in hydraulic damper, described piston rod outer circumferential and bushing and/or damping
Cylinder body is provided with the first sealing ring between circumferential inner side.
It is above-mentioned it is peculiar to vessel automatically reset in hydraulic damper, described auxiliary piston rod is connected with piston rod grafting, and
Some second sealing rings are provided between described auxiliary piston rod outer circumferential and the second column-like paths.
It is above-mentioned it is peculiar to vessel automatically reset in hydraulic damper, the first described column boom end has installing hole, and institute
Dust ring is provided between the first cylindrical rods outer circumferential stated and cylinder cap.
It is above-mentioned it is peculiar to vessel automatically reset in hydraulic damper, the diameter of the second described cylindrical rods is more than the first post
The diameter of shape bar, and the second described cylindrical rods two ends outer circumferential is respectively equipped with without departing from the second column rod end surface
Hex bolts.
It is above-mentioned it is peculiar to vessel automatically reset in hydraulic damper, described resistance cylinders outer circumferential is provided with some positioning
Block.So it is easy to the installation of this antivibrator.
Compared with prior art, the advantage of this hydraulic damper that automatically resets peculiar to vessel is：Simple structure, stability
Good, sensitivity is high, and the motion spacing of piston rod is run in 6-20 millimeters scope, so that the stroke of this antivibrator is little, maximum
100 tons of load is can reach, and small volume is used suitable for ship, while loading demands will be met, and can be carried out certainly by spring
It is dynamic to reset, the trouble that conventional damper needs external force to be resetted is solved, and is easily installed.
Description of the drawings
The structural representation that Fig. 1 is provided for this utility model.
Fig. 2 provides the sectional view in Fig. 1 at A-A for this utility model.
Fig. 3 is enlarged drawing at A in Fig. 2.
In figure, resistance cylinders 1, filling passage 11, end socket 12, the first sealing ring 13, the second sealing ring 14, installing hole 15,
Dust ring 16, hexagon socket head cap screw 17, locating piece 18, the first column-like paths 1a, the second column-like paths 1b, ring-shaped step 1c, piston
Bar 2, the first cylindrical rods 21, the second cylindrical rods 22, auxiliary piston rod 3, bushing 4, cylinder cap 5, first annular gap 6, second are annular
Gap 7, resetting structure 8, the first Oil Guide passage 81, the second Oil Guide passage 82, the first interface channel 83, the second interface channel 84,
Valve seat 85, valve pad 851, valve element 852, valve core spring 853, first annular breach 86, the 87, second annular breach of (the first back-moving spring
88th, second back-moving spring 89.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
As Figure 1-3, this hydraulic damper that automatically resets peculiar to vessel, including resistance cylinders 1, for the ease of this antivibrator
Install, some locating pieces 18 can be provided with 1 outer circumferential of resistance cylinders, wherein, 1 middle part one end of resistance cylinders has the first post
Shape passage 1a, with the second column-like paths 1b being connected with the first column-like paths 1a, the first column-like paths 1a's is straight for the other end
Footpath size is more than formation annular between the second column-like paths 1b diameters and the first column-like paths 1a and the second column-like paths 1b
Step 1c, is provided with the first column-like paths 1a and arranges and have the first cylindrical rods 21 and second along 1 axial direction activity of resistance cylinders
The piston rod 2 of cylindrical rods 22, piston rod 2 are connected with the auxiliary piston rod 3 being slidably arranged in the second column-like paths 1b, the first post
Shape bar be arranged with to the periphery within 21 weeks in the first column-like paths 1a and with 22 corresponding bushing 4 of the second cylindrical rods, on the outside of bushing 4
It is provided with and is sheathed in the first cylindrical rods 21 and can be by the cylinder cap 5 of the first column-like paths 1a end-encloseds, 22 one end of the second cylindrical rods
First annular gap 6 is formed between outer circumferential and bushing 4, the second ring between other end outer circumferential and ring-shaped step 1c, is formed
Be provided between shape gap 7, and piston rod 2 and auxiliary piston rod 3 first annular gap 6 or the is axially facing when 2 stress of piston rod
Second ring gap 7 can make piston rod 2 keep the resetting structure 8 of reseting movement trend when moving, between the motion of piston rod 2 here
Away from the operation of 6-20 millimeters scope, so that the stroke of this antivibrator is little, maximum can reach 100 tons of load, and small volume
Use suitable for ship, while loading demands will be met, and can be automatically reset by resetting structure 8, solve conventional damper
Device needs the trouble resetted by external force.
Specifically, the resetting structure 8 in the present embodiment includes being radially arranged in the first cylindrical rods 21 and the second cylindrical rods 22
The first Oil Guide passage 81 being connected between and with first annular gap 6, auxiliary piston rod 3 are radially provided with between the second annular
The second Oil Guide passage 82 that gap 7 is connected, and between the first Oil Guide passage 81 and the second Oil Guide passage 82, pass through core assembly phase
Even, and piston rod 2 and/or auxiliary piston rod 3 are connected with that piston rod 2 can be made to retain towards first annular gap 6 and second is annular
The elastic reset component of movement tendency between gap 7, wherein, core assembly here includes being axially disposed within the second cylindrical rods 22
The first interface channel 83 that is interior and being connected with the first Oil Guide passage 81, is provided with axially extending and is led with second in auxiliary piston rod 3
The second interface channel 84 that oily passage 82 is connected, is provided with valve seat 85, valve between the first interface channel 83 and the second interface channel 84
Seat 85 has valve pad 851 towards 84 one end of the second interface channel, is movably equipped with valve element 852, and valve element 852 connects in valve seat 85
There is valve core spring 853.Preferably, elastic reset component here includes being arranged on bushing 4 near 6 one end of first annular gap week
The first annular breach 86 being connected with first annular gap 6 and the first Oil Guide passage 81 to inner side and respectively, first annular breach
The (the first back-moving spring 87 leant with piston rod 2 is provided with 86,1 circumferential inner side of resistance cylinders is provided with positioned at the second column-like paths
1b outer circumferentials and the second annular breach 88 being connected with the second annular gap 7, the second annular breach 88 respectively with the second ring
Shape gap 7 is connected with the second Oil Guide passage 82, and 88 interior being provided with of the second annular breach is offseted with 3 outer circumferential of auxiliary piston rod
The second back-moving spring 89 leaned on.During work stress, piston rod movement is after stress stops, multiple by (the first back-moving spring and second
Piston rod can be reset to position spring the centre position of antivibrator, i.e. original state.
Further, resistance cylinders 1 here be provided with respectively with first annular gap 6 and/or the second annular breach 88
End socket 12 is respectively equipped with the filling passage 11 being connected, and filling passage 11.
In order to improve the sealing of this antivibrator, 2 outer circumferential of piston rod here and bushing 4 and/or resistance cylinders 1 week
To the first sealing ring 13 is provided between inner side, auxiliary piston rod 3 is connected with 2 grafting of piston rod, and 3 outer circumferential of auxiliary piston rod
Some second sealing rings 14 are provided between the second column-like paths 1b, 21 end of the first cylindrical rods here has installing hole 15,
And dust ring 16 is provided between 21 outer circumferential of the first cylindrical rods and cylinder cap 5.Preferably, the diameter of the second cylindrical rods 22 here
Size is more than the diameter of the first cylindrical rods 21, and 22 two ends outer circumferential of the second cylindrical rods is respectively equipped with without departing from the second post
The hexagon socket head cap screw 17 of 22 end face of shape bar.
Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from it is of the present utility model spirit or surmount scope defined in appended claims.
Although more having used resistance cylinders 1, filling passage 11, end socket 12, the first sealing ring 13, second to seal herein
Circle 14, installing hole 15, dust ring 16, hexagon socket head cap screw 17, locating piece 18, the first column-like paths 1a, the second column-like paths 1b, ring
Shape step 1c, piston rod 2, the first cylindrical rods 21, the second cylindrical rods 22, auxiliary piston rod 3, bushing 4, cylinder cap 5, first annular
Gap 6, the second annular gap 7, resetting structure 8, the first Oil Guide passage 81, the second Oil Guide passage 82, the first interface channel 83, second
Interface channel 84, valve seat 85, valve pad 851, valve element 852, valve core spring 853, first annular breach 86, (the first back-moving spring 87,
The terms such as the second annular breach 88, second back-moving spring 89, but it is not precluded from the probability using other terms.Using these arts
Language is used for the purpose of more easily describing and explaining essence of the present utility model；It is construed as any additional restriction
All it is contrary with this utility model spirit.
Claims (10)
1. a kind of hydraulic damper that automatically resets peculiar to vessel, including resistance cylinders (1), it is characterised in that described resistance cylinders (1)
Middle part one end has the first column-like paths (1a), and the other end is with the second column-like paths being connected with the first column-like paths (1a)
(1b) diameter of, described the first column-like paths (1a) is more than the second column-like paths (1b) diameter and the first column is logical
Ring-shaped step (1c) is formed between road (1a) and the second column-like paths (1b), is provided with along damped cylinder in the first column-like paths (1a)
Axially activity is arranged and has the piston rod (2) of the first cylindrical rods (21) and the second cylindrical rods (22), described piston rod body (1)
(2) auxiliary piston rod (3) being slidably arranged in the second column-like paths (1b) is connected with, described the first cylindrical rods (21) are circumferential
Periphery is arranged with the first column-like paths (1a) and bushing (4) corresponding with the second cylindrical rods (22), described bushing (4)
Outside is provided with and is sheathed in the first cylindrical rods (21) and can be described by the cylinder cap (5) of the first column-like paths (1a) end-enclosed
First annular gap (6), other end outer circumferential and ring are formed between second cylindrical rods (22) one end outer circumferential and bushing (4)
Formed to be provided between the second annular gap (7), and described piston rod (2) and auxiliary piston rod (3) between shape step (1c) and worked as
Piston rod (2) stress keeps can piston rod (2) when being axially facing first annular gap (6) or mobile the second annular gap (7)
The resetting structure (8) of reseting movement trend.
2. the hydraulic damper that automatically resets peculiar to vessel according to claim 1, it is characterised in that described resetting structure (8)
Including being radially arranged in what is be connected between the first cylindrical rods (21) and the second cylindrical rods (22) and with first annular gap (6)
First Oil Guide passage (81), described auxiliary piston rod (3) are radially provided with the second Oil Guide being connected with the second annular gap (7)
It is connected by core assembly between passage (82), and the first described Oil Guide passage (81) and the second Oil Guide passage (82), and institute
The piston rod (2) and/or auxiliary piston rod (3) stated is connected with can make piston rod (2) retain towards first annular gap (6) and
The elastic reset component of movement tendency between second ring gap (7).
3. the hydraulic damper that automatically resets peculiar to vessel according to claim 2, it is characterised in that described core assembly includes
It is axially disposed within the first interface channel (83) being connected in the second cylindrical rods (22) and with the first Oil Guide passage (81), described is auxiliary
Help, described the
Valve seat (85) is provided between a connection channel (83) and the second interface channel (84), described valve seat (85) is logical towards the second connection
Road (84) one end has valve pad (851), is movably equipped with valve element (852), and described valve element (852) is connected with valve seat (85)
Valve core spring (853).
4. the hydraulic damper that automatically resets peculiar to vessel according to claim 2, it is characterised in that described elastic reset component
Including be arranged on bushing (4) near the circumferential inner side in first annular gap (6) one end and respectively with first annular gap (6) and first
The first annular breach (86) that Oil Guide passage (81) is connected, is provided with and piston rod (2) phase in described first annular breach (86)
Against (the first back-moving spring (87), the circumferential inner side of described resistance cylinders (1) is provided with circumferential positioned at the second column-like paths (1b)
Outside and the second annular breach (88) being connected with the second annular gap (7), described the second annular breach (88) respectively with
Second annular gap (7) is connected with the second Oil Guide passage (82), and is provided with and auxiliary in the described second annular breach (88)
The second back-moving spring (89) that piston rod (3) outer circumferential leans.
5. the hydraulic damper that automatically resets peculiar to vessel according to claim 4, it is characterised in that described resistance cylinders (1)
The filling passage (11) being connected with first annular gap (6) and/or the second annular breach (88) respectively is provided with, and it is described
End socket (12) is respectively equipped with filling passage (11).
6. the hydraulic damper that automatically resets peculiar to vessel according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that described
The first sealing ring (13) is provided between piston rod (2) outer circumferential and bushing (4) and/or the circumferential inner side of resistance cylinders (1).
7. the hydraulic damper that automatically resets peculiar to vessel according to claim 6, it is characterised in that described auxiliary piston rod
(3) it is connected with piston rod (2) grafting, and sets between described auxiliary piston rod (3) outer circumferential and the second column-like paths (1b)
There are some second sealing rings (14).
8. the hydraulic damper that automatically resets peculiar to vessel according to claim 1, it is characterised in that the first described cylindrical rods
(21) end has between installing hole (15), and described the first cylindrical rods (21) outer circumferential and cylinder cap (5) and is provided with dust ring
(16)。
9. the hydraulic damper that automatically resets peculiar to vessel according to claim 8, it is characterised in that the second described cylindrical rods
(22) diameter of the diameter more than the first cylindrical rods (21), and described the second cylindrical rods (22) two ends outer circumferential
It is respectively equipped with the hexagon socket head cap screw (17) without departing from the second cylindrical rods (22) end face.
10. the hydraulic damper that automatically resets peculiar to vessel according to claim 1, it is characterised in that described resistance cylinders (1)
Outer circumferential is provided with some locating pieces (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620961317.6U CN206092787U (en) | 2016-08-26 | 2016-08-26 | Marine automatic re -setting hydraulic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620961317.6U CN206092787U (en) | 2016-08-26 | 2016-08-26 | Marine automatic re -setting hydraulic damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092787U true CN206092787U (en) | 2017-04-12 |
Family
ID=58473119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620961317.6U Active CN206092787U (en) | 2016-08-26 | 2016-08-26 | Marine automatic re -setting hydraulic damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092787U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438818A (en) * | 2016-08-26 | 2017-02-22 | 常州格林电力机械制造有限公司 | Automatic resetting hydraulic damper for ship |
| CN108506404A (en) * | 2018-04-18 | 2018-09-07 | 常州格林电力机械制造有限公司 | A kind of large hydraulic damper |
| CN108506403A (en) * | 2018-04-18 | 2018-09-07 | 常州格林电力机械制造有限公司 | A kind of large hydraulic damper |
-
2016
- 2016-08-26 CN CN201620961317.6U patent/CN206092787U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438818A (en) * | 2016-08-26 | 2017-02-22 | 常州格林电力机械制造有限公司 | Automatic resetting hydraulic damper for ship |
| CN108506404A (en) * | 2018-04-18 | 2018-09-07 | 常州格林电力机械制造有限公司 | A kind of large hydraulic damper |
| CN108506403A (en) * | 2018-04-18 | 2018-09-07 | 常州格林电力机械制造有限公司 | A kind of large hydraulic damper |
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