CN209671511U - A kind of hydraulic spring grease cup buffer - Google Patents
A kind of hydraulic spring grease cup buffer Download PDFInfo
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- CN209671511U CN209671511U CN201822230062.8U CN201822230062U CN209671511U CN 209671511 U CN209671511 U CN 209671511U CN 201822230062 U CN201822230062 U CN 201822230062U CN 209671511 U CN209671511 U CN 209671511U
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- piston
- damper
- spring
- cylinder barrel
- grease cup
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Abstract
The utility model discloses a kind of hydraulic spring grease cup buffers, including damper, the energy-absorbing spring that is arranged on the damper and the oscillating bearing for being fixedly mounted on the damper both ends, the damper includes cylinder barrel and the end that the cylinder barrel both ends are arranged in and guide sleeve, isolation ring is sealed and installed with by first seal in the cylinder barrel, sliding is equipped with piston in the cylinder barrel, and the piston is located on the right side of the isolation ring, aircraft fluid is filled between the piston and the isolation ring, the side face of piston ring is equipped with the damping hole of different-diameter, it is also extended through on the piston and piston rod is installed, and the piston rod is sealed and is slidably connected with the isolation ring and guide sleeve, the structure design of the utility model is reasonable, the utility model uses the structure type of rectangular coil spring oiling liquid formula damper, not only With good buffering effect, while also extending the service life of buffer.
Description
Technical field
The utility model relates to buffer technology field more particularly to a kind of hydraulic spring grease cup buffers.
Background technique
Hydraulic bjuffer carries out buffer deceleration to stopping to the object of effect on it by hydraulic damping, plays certain journey
The protective effect of degree.Suitable for mechanical equipments such as lifting transport, elevator, metallurgy, harbour machinery, rail trucks, effect be
The safety buffer device for preventing hard collision from mechanism being caused to damage in the course of work.
Hydraulic draft gear is a kind of energy consumption property buffer.The energy generated when can be by impact consumes, to reach
To subtracting the purpose that can be buffered.The violent of aircraft is be easy to cause due to the enormous impact of aircraft and ground generation in aircraft landing moment
Strong vibration.Buffer just can play good effect at this time, can effectively by aircraft landing when generate impact energy consumption,
Play buffering, the effect of stable landing.
But the hydraulic spring grease cup buffer used on existing aircraft is buffered using the structure of single damper, due to aircraft
The moment impact energy of landing is very big, is easy to cause to damage to buffer, causes the service life of buffer to be greatly reduced, exist
Certain defect.
For this purpose, we have proposed a kind of hydraulic spring grease cup buffers.
Utility model content
The utility model provides a kind of hydraulic spring grease cup buffer, it is therefore intended that the buffering effect of Promoting Layered Buffer device, simultaneously
The service life of buffer can also be extended.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of hydraulic spring grease cup buffer, including damper, the energy-absorbing spring being arranged on the damper and fixed peace
Oscillating bearing mounted in the damper both ends, the damper include cylinder barrel and be arranged in the cylinder barrel both ends end and
Guide sleeve, the cylinder barrel is interior to be sealed and installed with isolation ring by first seal, and sliding is equipped with piston in the cylinder barrel, and described
Piston is located on the right side of the isolation ring, and aircraft fluid, the piston both ends are filled between the piston and the isolation ring
Face is equipped with the damping hole of different-diameter, also extends through on the piston and is equipped with piston rod, and the piston rod is isolated with described
Ring and guide sleeve are sealed and are slidably connected.
Preferably, in above-mentioned hydraulic spring grease cup buffer, floating seal ring is equipped between the piston and the inner wall of cylinder.
Damping when damper compression and stretching, extension can be controlled by the way that floating seal ring is arranged based on above-mentioned technical characteristic
Power improves the cushion performance of buffer.
Preferably, in above-mentioned hydraulic spring grease cup buffer, the guide sleeve right end is fixedly installed with gland, and the piston rod is right
End is movably equipped with spring base, and the energy-absorbing spring is fixedly connected between the gland and the spring base.
It, can be flexible in piston rod by the way that energy-absorbing spring is arranged between gland and spring base based on above-mentioned technical characteristic
In the process, the elasticity that external energy is converted to energy-absorbing spring itself is released into energy, improves the buffering effect of buffer.
Preferably, in above-mentioned hydraulic spring grease cup buffer, the energy-absorbing spring uses rectangular coil spring.
Based on above-mentioned technical characteristic, energy-absorbing spring uses rectangular coil spring, enables to energy-absorbing spring and gland and bullet
It is bonded even closer between spring abutment, ensure that the equilibrium of stress in buffering course.
Preferably, in above-mentioned hydraulic spring grease cup buffer, second seal is equipped between the piston rod and the guide sleeve.
The inside and outside leakproofness of cylinder barrel ensure that by setting second seal based on above-mentioned technical characteristic, so that
Damper has better buffering effect.
Preferably, in above-mentioned hydraulic spring grease cup buffer, the piston rod right end is also threaded with adjusting nut, and described
Adjusting nut and spring base right side sliding contact.
Energy-absorbing telescopic spring amount can be carried out based on above-mentioned technical characteristic by the way that the tightness of adjusting nut is arranged
It adjusts, and then realizes the adjusting to energy-absorbing spring buffer effect.
Preferably, in above-mentioned hydraulic spring grease cup buffer, two oscillating bearings are separately mounted to the end left side
And the piston rod right side.
It, can be effectively to two by the way that oscillating bearing to be arranged in the both ends of buffer gear based on above-mentioned technical characteristic
The impact energy that oscillating bearing is transmitted is buffered, and the buffering effect of buffer is improved.
The beneficial effects of the utility model are:
The utility model uses the structure type of rectangular coil spring oiling liquid formula damper, passes through energy-absorbing spring and resistance
Buddhist nun's device generates certain damping force jointly with the impact energy that dissipates, and reduces influence of the shock loading to aircraft, has good slow
Effect is rushed, in addition energy-absorbing spring can also reduce impact of the aircraft landing moment to damper, extend the service life of buffer.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the whole the schematic diagram of the section structure of the utility model；
Fig. 2 is the external structure schematic diagram of the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1- damper；2- energy-absorbing spring；3- oscillating bearing；4- cylinder barrel；The end 5-；6- guide sleeve；7- first seal；8-
Isolation ring；9- piston；10- aircraft fluid；11- damping hole；12- piston rod；13- floating seal ring；14- gland；15- spring
Seat；16- second seal；17- adjusting nut.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-2, the present embodiment is a kind of hydraulic spring grease cup buffer, including damper 1, setting in damper
Energy-absorbing spring 2 on 1 and the oscillating bearing 3 for being fixedly mounted on 1 both ends of damper, damper 1 include that cylinder barrel 4 and setting exist
The end 5 at 4 both ends of cylinder barrel and guide sleeve 6, cylinder barrel 4 is interior to be sealed and installed with isolation ring 8, sliding in cylinder barrel 4 by first seal 7
Equipped with piston 9, and piston 9 is located at 8 right side of isolation ring, is filled with aircraft fluid 10 between piston 9 and isolation ring 8, and 9 liang of piston
End face is equipped with the damping hole 11 of different-diameter, is equipped with floating seal ring 13 between 4 inner wall of piston 9 and cylinder barrel, floating by being arranged
Dynamic seal ring 13 can control the damping force when compression of damper 1 and stretching, extension, improve the cushion performance of buffer, on piston 9
It also extends through and piston rod 12 is installed, and piston rod 12 is sealed and is slidably connected with isolation ring 8 and guide sleeve 6, piston rod 12
It is equipped with second seal 16 between guide sleeve 6, by the way that second seal 16 is arranged, ensure that inside and outside close of cylinder barrel 4
Feng Xing, so that damper 1 has better buffering effect, 12 right end of piston rod is also threaded with adjusting nut 17, and adjusts
Nut 17 and 15 right side sliding contact of spring base can stretch energy-absorbing spring 2 by the way that the tightness of adjusting nut 17 is arranged
Contracting amount is adjusted, and then realizes the adjusting to 2 buffering effect of energy-absorbing spring, and 6 right end of guide sleeve is fixedly installed with gland 14, living
12 right end of stopper rod is movably equipped with spring base 15, and energy-absorbing spring 2 is fixedly connected between gland 14 and spring base 15, by pressing
Energy-absorbing spring 2 is set between lid 14 and spring base 15, can be converted to external energy in 12 telescopic process of piston rod
The elasticity of energy-absorbing spring 12 itself releases energy, improves the buffering effect of buffer, two oscillating bearings 3 are separately mounted to end 5
It 12 right side of left side and piston rod can be effectively to two by the way that oscillating bearing 3 to be arranged in the both ends of buffer gear
The impact energy that oscillating bearing 3 is transmitted is buffered, and the buffering effect of buffer is improved.
A kind of specific implementation of the utility model, buffer use the structure of rectangular coil spring oiling liquid formula damper
Form, buffer products use mainly buffering, vibration damping, supporting role on aircraft nose landing gear.Aircraft is rushed in landing
It hits load effect buffer to be compressed, energy-absorbing spring 2 and damper 1 generate certain damping force jointly with the impact energy that dissipates at this time
Amount reduces influence of the shock loading to aircraft；When shock loading is less than 2 thrust of energy-absorbing spring, buffer slowly stretches at this time,
Aircraft nose landing gear is raised to shutdown height.Damper 1 on buffer uses double rod structure types, and inner cavity fills YH-
The aircraft fluid 10 of 15 types, piston 9 are mounted in oil pocket, and both ends of the surface design the damping hole 11 for having different-diameter, piston 9
On be provided with floating seal ring 13, can control damper 1 compression, stretching, extension when damping force.Inner cavity oil liquid is logical when damper 1 works
The damping hole made a living beyond the Great Wall flows to the other end from one end of piston, and oil liquid and damping hole friction generate damping force, dissipation aircraft drop
Impact energy when falling has good buffering effect.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific embodiment that the utility model is only yet.Obviously, according to this specification
Content, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, be in order to preferably explain
The principles of the present invention and practical application, so that skilled artisan be enable to better understand and utilize this practical
It is novel.The utility model is limited only by the claims and their full scope and equivalents.
Claims (7)
1. a kind of hydraulic spring grease cup buffer, it is characterised in that: including damper (1), the energy-absorbing being arranged on the damper (1)
Spring (2) and the oscillating bearing (3) for being fixedly mounted on the damper (1) both ends, the damper (1) includes cylinder barrel (4)
And the end (5) at the cylinder barrel (4) both ends and guide sleeve (6) are set, pass through first seal (7) in the cylinder barrel (4)
It is sealed and installed with isolation ring (8), sliding is equipped with piston (9) in the cylinder barrel (4), and the piston (9) is located at the isolation ring
(8) right side is filled with aircraft fluid (10) between the piston (9) and the isolation ring (8), piston (9) both ends of the surface
It is equipped with the damping hole (11) of different-diameter, also extends through and is equipped with piston rod (12) on the piston (9), and the piston rod
(12) it seals and is slidably connected with the isolation ring (8) and guide sleeve (6).
2. a kind of hydraulic spring grease cup buffer according to claim 1, it is characterised in that: the piston (9) and the cylinder barrel
(4) floating seal ring (13) are equipped between inner wall.
3. a kind of hydraulic spring grease cup buffer according to claim 1, it is characterised in that: guide sleeve (6) right end is fixed
It is equipped with gland (14), piston rod (12) right end is movably equipped with spring base (15), and the energy-absorbing spring (2) is fixedly connected
Between the gland (14) and the spring base (15).
4. a kind of hydraulic spring grease cup buffer according to claim 1, it is characterised in that: the energy-absorbing spring (2) uses square
Shape helical spring.
5. a kind of hydraulic spring grease cup buffer according to claim 1, it is characterised in that: the piston rod (12) is led with described
Second seal (16) are equipped between set (6).
6. a kind of hydraulic spring grease cup buffer according to claim 3, it is characterised in that: piston rod (12) right end also spiral shell
Line is connected with adjusting nut (17), and the adjusting nut (17) and the spring base (15) right side sliding contact.
7. a kind of hydraulic spring grease cup buffer according to claim 1, it is characterised in that: two oscillating bearings (3) point
It is not mounted on the end (5) left side and the piston rod (12) right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230062.8U CN209671511U (en) | 2018-12-28 | 2018-12-28 | A kind of hydraulic spring grease cup buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230062.8U CN209671511U (en) | 2018-12-28 | 2018-12-28 | A kind of hydraulic spring grease cup buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209671511U true CN209671511U (en) | 2019-11-22 |
Family
ID=68563933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822230062.8U Active CN209671511U (en) | 2018-12-28 | 2018-12-28 | A kind of hydraulic spring grease cup buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209671511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963486A (en) * | 2021-03-26 | 2021-06-15 | 北京三快在线科技有限公司 | Damper, unmanned aerial vehicle foot rest and unmanned aerial vehicle |
-
2018
- 2018-12-28 CN CN201822230062.8U patent/CN209671511U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963486A (en) * | 2021-03-26 | 2021-06-15 | 北京三快在线科技有限公司 | Damper, unmanned aerial vehicle foot rest and unmanned aerial vehicle |
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