CN116641939B - Hydro-cylinder buffer gear - Google Patents
Hydro-cylinder buffer gear Download PDFInfo
- Publication number
- CN116641939B CN116641939B CN202310711322.6A CN202310711322A CN116641939B CN 116641939 B CN116641939 B CN 116641939B CN 202310711322 A CN202310711322 A CN 202310711322A CN 116641939 B CN116641939 B CN 116641939B
- Authority
- CN
- China
- Prior art keywords
- buffer
- cylinder body
- piston
- left end
- end cover
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000009530 blood pressure measurement Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 239000003921 oil Substances 0.000 description 56
- 230000003139 buffering effect Effects 0.000 description 16
- 238000005457 optimization Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1433—End caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
Abstract
The invention discloses an oil cylinder buffer mechanism, which comprises a cylinder body, wherein a connecting rod piston is arranged in the cylinder body, the two ends of the cylinder body are respectively and detachably connected with a left end cover and a right end cover, the left end cover and the right end cover are of hollow ladder flange structures, the extending end of the left end cover is provided with a throttling component, the inner side wall of the cylinder body is provided with a buffer oil groove, the buffer oil groove is positioned between the extending end of the left end cover and a main piston of the connecting rod piston, the left end of the main piston is provided with a buffer piston, the buffer piston is provided with a plurality of buffer hole groups, and the buffer hole groups are detachably connected with the buffer oil groove.
Description
Technical Field
The invention belongs to the technical field of oil cylinder buffering, and particularly relates to an oil cylinder buffering mechanism.
Background
In the process of rapid movement, the oil cylinder can generate strong impact, noise and even mechanical collision at the stroke terminal, especially under the condition of high pressure, the influence is more obvious, the service life of the oil cylinder is seriously influenced, and proper braking and buffering are required before the movement is finished so as to ensure the service life of the system and the oil cylinder,
the traditional front cover driving oil cylinder is not provided with a buffer mechanism, so that the front cover can generate larger vibration impact after moving in place.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides an oil cylinder buffer mechanism, which aims to solve or improve at least one of the above technical problems.
In order to achieve the above purpose, the invention provides an oil cylinder buffer mechanism, which comprises a cylinder body, wherein a connecting rod piston is arranged in the cylinder body, the two ends of the cylinder body are respectively and detachably connected with a left end cover and a right end cover, the left end cover and the right end cover are of hollow stepped flange structures, a throttle assembly is arranged at the extending end of the left end cover, a buffer oil groove is arranged on the inner side wall of the cylinder body, the buffer oil groove is positioned between the extending end of the left end cover and a main piston of the connecting rod piston, the left end of the main piston is provided with a buffer piston, a plurality of buffer hole groups are arranged on the buffer piston, and the buffer hole groups are detachably connected with the buffer oil groove.
Preferably, oil supply annular grooves are respectively formed in the inner side walls of the two ends of the cylinder body, the oil supply annular grooves in the left portion are located on one side, far away from the buffer piston, of the buffer oil groove and are communicated with the throttling assembly, and the oil supply annular grooves in the right portion are located on one side, far away from the buffer piston, of the main piston and are communicated with the inner cavity of the cylinder body.
Preferably, oil supply holes are respectively formed in the side walls of two ends of the cylinder body, the two oil supply holes are respectively communicated with the two oil supply annular grooves, and threaded connectors and gaskets are detachably connected in the oil supply holes.
Preferably, the throttle assembly comprises a plurality of first radial holes, the first radial holes are circumferentially formed in the side wall of the extending end of the left end cover and are communicated with the oil supply annular groove, the first radial holes are far away from one end of the oil supply annular groove and are communicated with a first axial hole, the first axial holes are communicated with the inner cavity of the cylinder body, the extending end of the left end cover is in threaded connection with a locking cover plate, a gap is fixedly connected between an inner ring of the locking cover plate and the side wall of the connecting rod piston, a throttle plate is slidably connected between the locking cover plate and the left end cover, a gap is formed between an inner ring of the throttle plate and the side wall of the connecting rod piston, the throttle plate is movably connected with the left end cover through a locating pin, and the throttle plate is detachably connected with the first axial holes.
Preferably, the buffer piston is of a bottom-leakage basin-shaped structure, the buffer hole groups are four groups and circumferentially arranged on the side wall of the buffer piston, each buffer hole group comprises a plurality of second radial holes which are arranged in parallel, two ends of each second radial hole penetrate through the side wall of the buffer piston and are detachably connected with the buffer oil groove, a plurality of second radial holes are communicated with each other, and one end of each second radial hole is communicated with the inner cavity of the cylinder body.
Preferably, a plurality of process holes are circumferentially formed in the left end side wall of the cylinder body, and the process holes are sequentially communicated with the oil supply annular groove and the buffer oil groove.
Preferably, the pressure measuring holes are respectively formed in two ends of the cylinder body, the side wall of the extending end of the left end cover is provided with an annular pressure measuring groove, the annular pressure measuring groove is communicated with the left part of the pressure measuring holes, a plurality of third axial holes are circumferentially communicated on the annular pressure measuring groove, the third axial holes are communicated with the inner cavity of the cylinder body, and the pressure measuring holes are communicated with the inner cavity of the cylinder body in the right part.
Preferably, the main piston is of a step shaft structure and is provided with a combined seal, and the combined seal and the inner wall of the cylinder body are in sliding seal.
Preferably, a dustproof ring, a Yx ring, a stepped ring and a guide ring are arranged between the inner walls of the left end cover and the right end cover and the side wall of the cylinder body.
Compared with the prior art, the invention has the following advantages and technical effects:
through setting up throttle subassembly, buffering oil groove and buffering piston to set up the buffering group of punching on the buffering piston, thereby realize the buffering structural style that becomes throttle and constant throttle combine together, braking time and vibration impact are in the scope of requirement, make buffer pressure keep even or change according to certain law, whole process buffer pressure change is steady, has satisfied the buffering requirement.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2 is a partial enlarged view of a in fig. 1.
In the figure: 1. a cylinder; 2. a connecting rod piston; 3. a left end cover; 4. a right end cover; 5. a buffer oil tank; 6. a main piston; 7. a buffer piston; 8. an oil supply annular groove; 9. an oil supply hole; 10. a threaded joint; 11. a gasket; 12. a first radial bore; 13. a first axial bore; 14. locking the cover plate; 15. a throttle plate; 16. a positioning pin; 17. a second radial bore; 18. a second axial hole; 19. a process hole; 20. a pressure measuring hole; 21. an annular pressure measurement groove; 22. a third axial hole; 23. sealing in a combined way; 24. a dust ring; 25. yx circle; 26. a step ring; 27. a guide ring; 28. a bolt; 29. a first gasket; 30. a screw plug; 31. a combination gasket; 32. and (5) a screw.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-2, this embodiment provides an oil cylinder buffer mechanism, including cylinder body 1, be equipped with connecting rod piston 2 in the cylinder body 1, cylinder body 1 both ends are respectively can dismantle and are connected with left end cover 3 and right end cover 4, left end cover 3 and right end cover 4 are cavity ladder flange structure, the end that stretches into of left end cover 3 is equipped with the throttle subassembly, buffer oil groove 5 has been seted up to cylinder body 1 inside wall, buffer oil groove 5 is located between the main piston 6 of left end cover 3 stretching into end and connecting rod piston 2, main piston 6 left end is equipped with buffer piston 7, be equipped with a plurality of buffer hole groups on the buffer piston 7, a plurality of buffer hole groups can dismantle with buffer oil groove 5 and be connected.
Through setting up throttle subassembly, buffering oil groove 5 and buffering piston 7 to set up buffering group on buffering piston 7, from what realize the buffering structural style that becomes throttle and constant throttle to combine together, braking time and vibration impact have satisfied the buffering requirement in the scope of requirement.
The left end cover 3 and the right end cover 4 are detachably connected with the cylinder body 1 through a bolt 28 and a first gasket 29 respectively, and the type of the bolt is preferably M20.
A plurality of second gaskets are arranged between the outer walls of the extending ends of the left end cover 3 and the right end cover 4 and the cylinder body 1.
The buffer piston 7 is connected with the side wall of the main piston 6 through a screw 32, and the side wall of the buffer piston 7 is in clearance fit with the cylinder body 1.
Further optimizing scheme, oil supply ring channel 8 has been seted up respectively to cylinder body 1 both ends inside wall, and the oil supply ring channel 8 of left portion is located the one side that buffer piston 7 was kept away from to buffer oil groove 5 to with the choke assembly intercommunication, the oil supply ring channel 8 of right portion is located the one side that buffer piston 7 was kept away from to main piston 6 and with cylinder body 1 inner chamber intercommunication.
The hydraulic oil is led into the inner cavity of the cylinder body 1 through the oil supply annular groove 8.
According to a further optimization scheme, oil supply holes 9 are respectively formed in the side walls of the two ends of the cylinder body 1, the two oil supply holes 9 are respectively communicated with the two oil supply annular grooves 8, and a screwed joint 10 and a gasket 11 are detachably connected in the oil supply holes 9.
Sealing and outward connection of the oil supply hole 9 can be achieved by the threaded joint 10 and the gasket 11.
Further optimizing scheme, the throttle subassembly includes a plurality of first radial holes 12, a plurality of first radial holes 12 circumference are offered at the lateral wall of left end cover 3 end of stretching into, and with oil feed ring channel 8 intercommunication, first radial holes 12 keep away from oil feed ring channel 8 one end intercommunication has first axial hole 13, first axial hole 13 and cylinder body 1 inner chamber intercommunication, left end cover 3 stretches into end threaded connection and has locking apron 14, have the clearance between locking apron 14 inner circle and the connecting rod piston 2 lateral wall, sliding connection has throttle plate 15 between locking apron 14 and the left end cover 3, have the clearance between throttle plate 15 inner circle and the connecting rod piston 2 lateral wall, throttle plate 15 passes through locating pin 16 and left end cover 3 swing joint, throttle plate 15 and a plurality of first axial hole 13 detachable connection.
Hydraulic oil enters a plurality of first radial holes 12 through the oil supply annular groove 8, pushes the throttle plate 15 through the first axial holes 13, and flows out from a gap between the throttle plate 15 and the inner wall of the cylinder body 1, so that the hydraulic oil flows into the inner cavity of the cylinder body 1 through a gap between the inner ring of the locking cover plate 14 and the side wall of the connecting rod piston 2, and pushes the connecting rod piston 2 to move rightwards, and conversely, the throttle plate 15 closes the plurality of first axial holes 13.
The diameter of the first radial holes 12 and the first axial holes 13 is preferably 6mm.
According to the further optimization scheme, the buffer piston 7 is of a bottom-leakage basin-shaped structure, the buffer hole groups are four groups and are circumferentially arranged on the side wall of the buffer piston 7, each buffer hole group comprises a plurality of second radial holes 17 which are arranged in parallel, two ends of each second radial hole 17 penetrate through the side wall of the buffer piston 7 and are detachably connected with the buffer oil groove 5, a plurality of second radial holes 17 are communicated with each other, and one end of each second axial hole 18 is communicated with the inner cavity of the cylinder body 1.
When the buffer piston 7 moves towards the left end cover 3, the buffer piston 7 gradually shields the buffer oil groove 5, the flow area of oil at the left end of the oil cylinder passing through the buffer oil groove 5 is gradually reduced, oil return of the left cavity is not smooth, throttling resistance is formed, pressure is increased, and the purpose of buffering and braking is achieved.
The diameter of the second radial holes 17 and the second axial holes 18 is preferably 5mm.
In a further optimization scheme, a plurality of process holes 19 are formed in the inner circumference of the left end side wall of the cylinder body 1, and the process holes 19 are sequentially communicated with the oil supply annular groove 8 and the buffer oil groove 5.
The diameter of the process orifice 19 is preferably 8mm.
According to a further optimization scheme, pressure measuring holes 20 are respectively formed in two ends of the cylinder body 1, an annular pressure measuring groove 21 is formed in the side wall of the extending end of the left end cover 3, the annular pressure measuring groove 21 is communicated with the left pressure measuring hole 20, a plurality of third axial holes 22 are circumferentially communicated on the annular pressure measuring groove 21, the third axial holes 22 are communicated with the inner cavity of the cylinder body 1, and the right pressure measuring hole 20 is communicated with the inner cavity of the cylinder body 1.
The third axial bore 22 is preferably 4mm in diameter.
Pressure sensor can be added to pressure measurement hole 20, and plug screw 30 and combined washer 31 are detachably connected in pressure measurement hole 20 for sealing pressure measurement hole 20.
In a further optimized scheme, the main piston 6 is of a step shaft structure and is provided with a combined seal 23, and the combined seal 23 is in sliding seal with the inner wall of the cylinder body 1.
According to a further optimization scheme, a dust ring 24, a Yx ring 25, a stepped ring 26 and a guide ring 27 are arranged between the inner walls of the left end cover 3 and the right end cover 4 and the side wall of the cylinder body 1.
The dust ring 24 can effectively avoid bringing impurities into gaps between the connecting rod piston 2 and the left end cover and between the connecting rod piston 2 and the right end cover, and avoid damaging the Yx ring 25.
The opening of the Yx ring 25 is outward, so that seawater can be effectively prevented from entering the oil cylinder when the oil cylinder works in deep water;
the guide ring 27 is made of composite materials and is inlaid in the inner holes of the left end cover and the right end cover, so as to realize the movement guide support of the connecting rod piston 2.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. The utility model provides an hydro-cylinder buffer gear, includes cylinder body (1), be equipped with connecting rod piston (2) in cylinder body (1), cylinder body (1) both ends are connected with left end cover (3) and right-hand member lid (4) respectively can be dismantled, left end cover (3) with right-hand member lid (4) are cavity ladder flange structure, its characterized in that: the hydraulic cylinder is characterized in that a throttle assembly is arranged at the extending end of the left end cover (3), a buffer oil groove (5) is formed in the inner side wall of the cylinder body (1), the buffer oil groove (5) is located between the extending end of the left end cover (3) and a main piston (6) of the connecting rod piston (2), a buffer piston (7) is arranged at the left end of the main piston (6), a plurality of buffer hole groups are arranged on the buffer piston (7), and the buffer hole groups are detachably connected with the buffer oil groove (5);
the inner side walls at two ends of the cylinder body (1) are respectively provided with an oil supply annular groove (8), the left oil supply annular groove (8) is positioned at one side of the buffer oil groove (5) far away from the buffer piston (7) and is communicated with the throttling component, and the right oil supply annular groove (8) is positioned at one side of the main piston (6) far away from the buffer piston (7) and is communicated with the inner cavity of the cylinder body (1);
the throttling assembly comprises a plurality of first radial holes (12), wherein a plurality of first radial holes (12) are circumferentially formed in the side wall of the extending end of the left end cover (3) and are communicated with the oil supply annular groove (8), one end, far away from the oil supply annular groove (8), of each first radial hole (12) is communicated with a first axial hole (13), each first axial hole (13) is communicated with the inner cavity of the cylinder body (1), the extending end of the left end cover (3) is in threaded connection with a locking cover plate (14), a gap is fixedly connected between the inner ring of the locking cover plate (14) and the side wall of the connecting rod piston (2), a throttling plate (15) is connected between the inner ring of the locking cover plate (14) and the side wall of the connecting rod piston (2) in a sliding manner, the throttling plate (15) is movably connected with the left end cover (3) through a positioning pin (16), and the throttling plate (15) is detachably connected with the plurality of first axial holes (13);
the buffer piston (7) is of a bottom-leakage basin-shaped structure, the buffer hole groups are four groups and circumferentially arranged on the side wall of the buffer piston (7), each buffer hole group comprises a plurality of second radial holes (17) which are arranged in parallel, two ends of each second radial hole (17) penetrate through the side wall of the buffer piston (7) and are detachably connected with the buffer oil groove (5), a plurality of second radial holes (18) are communicated between the second radial holes (17), and one end of each second radial hole (18) is communicated with the inner cavity of the cylinder body (1).
2. The cylinder buffer mechanism according to claim 1, wherein: oil supply holes (9) are respectively formed in the side walls of the two ends of the cylinder body (1), the two oil supply holes (9) are respectively communicated with the two oil supply annular grooves (8), and threaded connectors (10) and gaskets (11) are detachably connected in the oil supply holes (9).
3. The cylinder buffer mechanism according to claim 1, wherein: a plurality of process holes (19) are formed in the inner circumference of the left end side wall of the cylinder body (1), and the process holes (19) are sequentially communicated with the oil supply annular groove (8) and the buffer oil groove (5).
4. The cylinder buffer mechanism according to claim 1, wherein: pressure measurement hole (20) have been seted up respectively at cylinder body (1) both ends, annular pressure measurement slot (21) have been seted up to left end cover (3) stretch into end lateral wall, annular pressure measurement slot (21) with left portion pressure measurement hole (20) intercommunication, circumference intercommunication has a plurality of third axial holes (22) on annular pressure measurement slot (21), third axial hole (22) with cylinder body (1) inner chamber intercommunication, right portion pressure measurement hole (20) with cylinder body (1) inner chamber intercommunication.
5. The cylinder buffer mechanism according to claim 1, wherein: the main piston (6) is of a step shaft structure and is provided with a combined seal (23), and the combined seal (23) is in sliding seal with the inner wall of the cylinder body (1).
6. The cylinder buffer mechanism according to claim 1, wherein: a dustproof ring (24), a Yx ring (25), a stepped ring (26) and a guide ring (27) are arranged between the inner walls of the left end cover (3) and the right end cover (4) and the side wall of the cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310711322.6A CN116641939B (en) | 2023-06-15 | 2023-06-15 | Hydro-cylinder buffer gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310711322.6A CN116641939B (en) | 2023-06-15 | 2023-06-15 | Hydro-cylinder buffer gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116641939A CN116641939A (en) | 2023-08-25 |
| CN116641939B true CN116641939B (en) | 2024-03-08 |
Family
ID=87639934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310711322.6A Active CN116641939B (en) | 2023-06-15 | 2023-06-15 | Hydro-cylinder buffer gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116641939B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117588460B (en) * | 2024-01-18 | 2024-03-29 | 徐州金鼎恒立液压件有限公司 | Hydraulic cylinder retarding protection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0151899A1 (en) * | 1984-02-08 | 1985-08-21 | Christof Stoll GmbH & Co KG | Supporting column |
| DE102004023626A1 (en) * | 2003-05-28 | 2004-12-23 | Hoerbiger Hydraulik Gmbh | Brake valve for hydraulic actuating devices for movable parts on vehicles has controllable valve biased in opening direction with control pressure which is independent of pressure of work fluid for smooth damping |
| CN102345700A (en) * | 2011-09-15 | 2012-02-08 | 常州格林电力机械制造有限公司 | Nuclear-grade large equipment damper |
| CN106286471A (en) * | 2015-05-20 | 2017-01-04 | 徐工集团工程机械股份有限公司 | Guide buffer unit, hydraulic jack and excavator |
| CN208057575U (en) * | 2018-04-12 | 2018-11-06 | 三一汽车制造有限公司 | Hydraulic cylinder |
| JP2019522761A (en) * | 2016-06-16 | 2019-08-15 | 青島極致創新科技有限公司Ｑｉｎｇｄａｏ Ａｃｍｅ Ｉｎｎｏｖａｔｉｏｎ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ． | Hydraulic buffer and hydraulic cylinder connected to hydraulic buffer |
| CN114087313A (en) * | 2021-11-17 | 2022-02-25 | 中国人民解放军海军工程大学 | Structure for reducing opening noise of drag reduction plate and use method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10106958B4 (en) * | 2000-02-29 | 2022-02-17 | Schaeffler Technologies AG & Co. KG | hydraulic system |
-
2023
- 2023-06-15 CN CN202310711322.6A patent/CN116641939B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0151899A1 (en) * | 1984-02-08 | 1985-08-21 | Christof Stoll GmbH & Co KG | Supporting column |
| DE102004023626A1 (en) * | 2003-05-28 | 2004-12-23 | Hoerbiger Hydraulik Gmbh | Brake valve for hydraulic actuating devices for movable parts on vehicles has controllable valve biased in opening direction with control pressure which is independent of pressure of work fluid for smooth damping |
| CN102345700A (en) * | 2011-09-15 | 2012-02-08 | 常州格林电力机械制造有限公司 | Nuclear-grade large equipment damper |
| CN106286471A (en) * | 2015-05-20 | 2017-01-04 | 徐工集团工程机械股份有限公司 | Guide buffer unit, hydraulic jack and excavator |
| JP2019522761A (en) * | 2016-06-16 | 2019-08-15 | 青島極致創新科技有限公司Ｑｉｎｇｄａｏ Ａｃｍｅ Ｉｎｎｏｖａｔｉｏｎ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ． | Hydraulic buffer and hydraulic cylinder connected to hydraulic buffer |
| CN208057575U (en) * | 2018-04-12 | 2018-11-06 | 三一汽车制造有限公司 | Hydraulic cylinder |
| CN114087313A (en) * | 2021-11-17 | 2022-02-25 | 中国人民解放军海军工程大学 | Structure for reducing opening noise of drag reduction plate and use method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 高速液压缸缓冲过程的研究;丁凡;钢铁;19980830(第08期);第54-57页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116641939A (en) | 2023-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116641939B (en) | Hydro-cylinder buffer gear | |
| CN205578403U (en) | Butter type hydraulic oil cylinder | |
| CN209761913U (en) | Spiral cavity coupling buffer bucket rod oil cylinder | |
| CN214788319U (en) | Multi-chamber hydraulic cylinder with bidirectional buffering function | |
| CN108561368B (en) | Arm lifting oil cylinder | |
| CN108223491B (en) | Differential locking hydraulic cylinder | |
| CN209838882U (en) | Expansion and shock-absorption bolt device of cylinder block | |
| CN205047578U (en) | Numerical control hydraulic pressure sheet material tubulation make -up machine and hydraulic cylinder thereof | |
| CN112128289B (en) | Hydraulic shock absorber and pulse cleaning angle valve | |
| CN201391511Y (en) | Hydraulic cylinder cushioning device | |
| CN209781340U (en) | Buffer oil cylinder | |
| CN208764032U (en) | Three-level cushion cylinder | |
| CN213540917U (en) | Hydraulic steel ball hinge type piston connecting structure | |
| CN212318437U (en) | Power cylinder with floating buffer structure | |
| CN219062130U (en) | Single-acting piston cylinder without exhaust hole | |
| CN201245175Y (en) | Pressure-limiting valve for automotive power steering gear | |
| CN219605924U (en) | Novel oil pressure shock absorber | |
| CN206054433U (en) | Automobile door pump cylinder | |
| CN111288039A (en) | Double-rod oil cylinder and engineering machinery with same | |
| CN218971552U (en) | Forklift forward oil cylinder | |
| CN210240169U (en) | Oil cylinder with buffer structure | |
| CN209999647U (en) | mould-locking oil cylinder assembly | |
| CN110886739A (en) | Double-rod hydraulic cylinder with assembled piston rod with rod internal oil through structure | |
| CN214092526U (en) | Novel telescopic oil cylinder | |
| CN217421706U (en) | Piston spacer sleeve integrated telescopic oil cylinder |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |