CN110242695A - A kind of rubber friction damper system of air pressure adjustment control - Google Patents
A kind of rubber friction damper system of air pressure adjustment control Download PDFInfo
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- CN110242695A CN110242695A CN201910529085.5A CN201910529085A CN110242695A CN 110242695 A CN110242695 A CN 110242695A CN 201910529085 A CN201910529085 A CN 201910529085A CN 110242695 A CN110242695 A CN 110242695A
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- rubber friction
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- block
- metal block
- air pressure
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 154
- 229910052751 metal Inorganic materials 0.000 claims abstract description 78
- 239000002184 metal Substances 0.000 claims abstract description 78
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 239000006096 absorbing agent Substances 0.000 claims abstract description 17
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 16
- 230000035939 shock Effects 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims description 46
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 5
- QWVMUSBBWGTKML-UHFFFAOYSA-N [Li].[Mo](=S)=S Chemical compound [Li].[Mo](=S)=S QWVMUSBBWGTKML-UHFFFAOYSA-N 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000005987 sulfurization reaction Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 239000004636 vulcanized rubber Substances 0.000 claims description 2
- 239000004831 Hot glue Substances 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 11
- 230000008859 change Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 229920001967 Metal rubber Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
- F16F7/082—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other and characterised by damping force adjustment means
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
- F16F7/09—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other in dampers of the cylinder-and-piston type
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
A kind of rubber friction damper system of air pressure adjustment control of the present invention includes rubber shock absorber, displacement sensor, data processing system, air valve controller, intake valve and vent valve；The rubber shock absorber includes cylinder barrel, lubricant layer, rubber friction metal block, end metal sealing plate, rubber friction block, piston rod, cover board and tracheae；Rubber friction metal block and rubber friction block are coaxially sequentially installed on cylinder barrel inner piston rod；Multiple gas passages are provided on rubber friction metal block tube wall；Several through-holes are provided on rubber friction block circumferential surface, are filled between the through-hole and inner wall of cylinder of rubber friction block so that gas passes sequentially through tracheae, gas nozzle structure, gas passage from intake valve.The present invention passes through the friction energy dissipation vibration damping between rubber friction block and inner wall of cylinder, intake valve is adjusted by Air Valve Control simultaneously or vent valve adjusts air pressure inside, to change the air pressure of inner wall of cylinder, internal friction size is further changed, terminates the adjustment for realizing damper damping effect.
Description
Technical field
The invention belongs to absorber technical fields, and in particular to a kind of rubber friction damper system of air pressure adjustment control
System.
Background technique
Undercarriage front-wheel generally can be turned round freely, and when aircraft running speed is more than certain critical value, front-wheel can go out
The now self-oscillation of the violent beat in left and right, i.e., it is shimmy, and it is shimmy be likely to result in tire tearing, undercarriage fracture, cause serious
Accident；It is shimmy in order to eliminate, shimmy-damper can be all installed on the undercarriage front-wheel of nearly all high-speed aircraft, shimmy-damper is usually used
Hydraulic actuator vibration damping, and liquid-springing exist may cause since temperature raises gasket failure oil leak, maintenance cost and at
The problems such as this is high.
" the That american car Engineering society in 2000 delivers on technical papers series 2000-01-1710
Development of Non-Hydraulic Shimmy Dampers " it is such do not need to safeguard using rubber friction damper,
Price is low, and Applicable temperature range is wide, and service life opposing hydraulic damper is long, but the damper of this paper publishing, damping
Can real-time monitoring, initial friction resistance is big, be poorly suitable for undercarriage front-wheel vibration damping, based on this propose this case.
Summary of the invention
Technical problems to be solved: in order to avoid the shortcomings of the prior art, the present invention proposes a kind of air pressure adjustment control
The rubber friction damper system of system can adjust air pressure according to requirement of real time, improve damping efficiency, must be applicable in extensive
Property.
The technical scheme is that a kind of rubber friction damper system of air pressure adjustment control, it is characterised in that: packet
Include rubber shock absorber, displacement sensor, data processing system, air valve controller, intake valve and vent valve；
The rubber shock absorber include cylinder barrel, lubricant layer, rubber friction metal block, rubber friction block, piston rod, cover board and
Tracheae；The cylinder barrel is tubular structure open at one end, and open end is provided with cover board, in the cover board and cylinder barrel closed end
Through-hole is provided at the heart, inner wall of cylinder is coated with lubricant layer；The piston rod coaxially sequentially passes through the cover board and cylinder barrel closed end
Through-hole, and guarantee be clearance fit；In the cylinder barrel, rubber friction gold is coaxially successively fixedly installed on the piston rod
Belong to block and rubber friction block, the rubber friction block and the inner wall of cylinder are interference fit；
The rubber friction metal block is the tubular structure of both ends open, is provided between the inner and outer surfaces of tube wall multiple
Gas passage, and one gas channel inlet is respectively set at rubber friction metal block both ends, it is all provided at two gas channel inlets
It is equipped with gas nozzle structure, two gas nozzle structures pass through tracheae respectively and connect with intake valve, vent valve；The rubber friction metal
Multiple gas path exit ports are provided on block tube wall outer peripheral surface；The rubber friction block is the tubular structure of both ends open, week
It is provided with several through-holes on face, is corresponded with the gas path exit port of the rubber friction metal block tube wall, so that gas is from institute
State intake valve pass sequentially through tracheae, gas nozzle structure, gas passage be filled into the rubber friction block through-hole and the cylinder barrel in
Between wall；
Institute's displacement sensors feed back for testing the rubber shimmy-damper displacement data and arrive the data processing system
System；The data processing system generates control instruction according to displacement data and is sent to the air valve controller；The Air Valve Control
Device executes the instruction that the data processing system is conveyed, and further controls the switch of intake valve and vent valve.
A further technical solution of the present invention is: the piston rod is piston thread bar, pass through the screw thread on its outer peripheral surface
It is fixedly mounted with the screw-internal thread fit of the rubber friction metal block.
A further technical solution of the present invention is: using heat between the rubber friction metal block and the rubber friction block
Gluing is directly vulcanized rubber friction block on rubber friction block metal block outer surface using sulfuration process.
A further technical solution of the present invention is: being coaxially arranged with multiple annulars on the rubber friction metal block outer peripheral surface
Boss, the projection width are more than or equal to the multiple annular grooves cooperation being arranged on 2mm, with the rubber friction block inner peripheral surface,
The bond strength between rubber friction metal block and rubber friction block can be increased.
A further technical solution of the present invention is: it is recessed along its axial direction to be provided with multiple annulars on the rubber friction block outer peripheral surface
Slot, for reducing the contact area of rubber friction block Yu the inner wall of cylinder.
A further technical solution of the present invention is: being parallel to central axis direction edge in the tube wall of the rubber friction metal block
Several through-holes circumferentially are provided with, multiple through-holes are provided in each through-hole in tube wall and between outer surface of tube wall, as gas passage；
Rubber friction metal block both ends are respectively and fixedly provided with the end metal sealing plate of annular, the gas for seal rubber frictional metal block
Channel, the through-hole one end opened up on two end metal sealing plates with several through-holes that central axis direction is parallel in tube wall
Connection, the other end are provided with gas nozzle structure, and two gas nozzle structures pass through tracheae respectively and connect with intake valve, vent valve.
A further technical solution of the present invention is: it is recessed to be all provided with annular on the end face at rubber friction metal block both ends
Slot；The annular groove that the end metal sealing plate one side opens up and the annular being arranged on rubber friction metal block end face are recessed
Slot is coupled, and another side is equipped with gas nozzle structure；The end metal seal plate welding is in the rubber friction metal block
On end face.
A further technical solution of the present invention is: the cover board tightens the open end for being installed on the cylinder barrel by screw thread.
A further technical solution of the present invention is: the lubricant layer uses grease based on molybdenum disulfide lithium, it is applied directly to
The cylinder barrel and rubber friction block surface.
Beneficial effect
The beneficial effects of the present invention are: rubber shock absorber of the present invention passes through rubbing between rubber friction block and inner wall of cylinder
Energy-eliminating shock-absorbing to be wiped, the displacement of the displacement sensor rubber shock absorber on top is mounted on, displacement data feeds back to control system,
Control system adjusts intake valve by Air Valve Control or vent valve adjusts internal structure air pressure, to change rubber shock absorber
Air pressure between the through-hole and inner wall of cylinder of rubber friction block, further changes internal friction size, for realizing damper
The adjustment of effectiveness in vibration suppression.
1. the present invention uses displacement sensor shimmy-damper displacement data, air pressure size is changed, can adjust and subtract in real time
Vibration effect, improves damping efficiency, can be used for different situations vibration damping, has broad applicability.
2. rubber block interior metal skeleton is divided into metal-rubber friction block and end metal sealing plate, two metalworks pass through weldering
Sealing is connect, is prepared separately and is conducive to processing reduction cost；
3. rubber friction metal block end annular groove, the axial through-hole and circumferentially-spaced through-hole of being evenly distributed with are (one among such as each annular groove
Exhausting hole is communicated with the axial through-hole that is evenly distributed with, and circumferential through-hole number of rows and quantity can be adjusted according to annular groove spacing, general hole span trough rim
Away from least 5mm)；Gas nozzle structure is arranged in end metal sealing plate one end annular groove other end, and through-hole, metal is arranged in gas nozzle structure and annular groove
It can be conducive to the air circuit connection of gas passage circulation and air valve after rubber friction block and end metal seal plate welding；
4. metal-rubber frictional metal block outer surface increases multiple annular convex platform (projection width is more than or equal to 2mm), increase
Adhesion strength between metal block and rubber friction block is being to not readily disengage from by external force；
5. multiple annular grooves are provided with along its axial direction on rubber friction block outer peripheral surface, for reducing rubber friction block and cylinder barrel
The contact area of inner wall reduces initial start frictional resistance；
6. rubber friction damper of the invention, each modular construction is simple, be conducive to processing, it is convenient for disassembly and assembly for ease of maintenaince.
Detailed description of the invention
Fig. 1 is the principle of the present invention figure；
Fig. 2 is the isometric view of rubber friction damper of the present invention；
Fig. 3 is the sectional view of rubber friction damper of the present invention；
Fig. 4 is the rubber friction metal block schematic diagram of rubber friction damper of the present invention；
Fig. 5 is the end metal sealing plate schematic diagram of rubber friction damper of the present invention；
Fig. 6 is the rubber friction block schematic diagram of rubber friction damper of the present invention；
Description of symbols: 1. cylinder barrels；2. lubricant layer；3. rubber friction metal block；4. end metal sealing plate；5. rubber rubs
Cleaning block；6. piston thread bar；7. cover board；8. tracheae；10. rubber shock absorber；20. displacement sensor；30. data processing system；
40. air valve controller；50. intake valve；60. vent valve；
Specific embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand
For limitation of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
A kind of rubber friction damper system of air pressure adjustment control of the present embodiment, in conjunction with Fig. 1, rubber shock absorber 10, position
Displacement sensor 20, data processing system 30, air valve controller 40, intake valve 50 and vent valve 60 are constituted.Rubber friction damper
It is mounted on undercarriage front-wheel to subtract in pendulum structure, when aircraft high speed slide, front-wheel deflection, subtracts pendulum structure by rubbing with rubber
The piston thread bar connection for wiping damper, forces piston thread bar to move left and right in cylinder barrel and consumes overload energy by friction,
To effectively low decrease or eliminate shimmy.
Rubber shock absorber 10 passes through axial left and right friction energy dissipation vibration damping, and displacement sensor 20 measures the position of rubber shock absorber 10
It moves, 30 system of data processing generates control instruction and be sent to air valve controller 40, air valve controller 50 executes according to displacement data
The instruction that data processing system is conveyed, carries out intake valve 50 and the switch of vent valve 60 carries out deflation or air inlet, and then changes rubber
Glue damper frictional force size changes effectiveness in vibration suppression, reaches desirable.
The rubber friction damper system main element of air pressure adjustment control is rubber shock absorber, main in conjunction with Fig. 2 and Fig. 3
It will be by cylinder barrel 1, lubricant layer 2, rubber friction metal block 3, end metal sealing plate 4, rubber friction block 5, piston thread bar 6, cover board 7
It is constituted with tracheae 8.Cylinder barrel 1 is located at outermost layer, supports for total；Lubricant layer 2 is located on the inside of cylinder barrel, is used for rubber friction
Block or so lubricates when rubbing；Rubber friction metal block 3 is between rubber friction block and piston thread bar, for enhancing friction block
Intensity connects piston thread bar, and is gas passage；End metal sealing plate 4 is located at rubber friction metal block both ends, for close
Envelope rubber friction metal block gas passage simultaneously connects external gas circuit；Rubber friction block 5 is located on the inside of lubricant layer, rubber friction metal
On the outside of block, it to be used for friction damping；Piston thread bar 6 is located among damper, subtracts pendulum for connecting rubber friction block and undercarriage
Structure；Cover board 7 is located at cylinder barrel one end, covers for damper end；Tracheae 8 is located at 4 two sides of end metal sealing plate for connecting
Friction shock absorber and intake valve 50 and vent valve 60.
The process designed and prepared and method of rubber friction damper are as follows:
For the layout of rubber shock absorber as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, cylinder barrel 1 is that tapping is convenient for peace on the inside of open end
Capping plate 7；Lubricant layer 2 is applied in 1 inner surface of cylinder barrel.Rubber friction metal block 3, metal block inner surface tapping, is convenient for and lives
It fills in threaded rod 5 to connect, two ends annular groove, 8 gas passages inside connection, rubber friction metal block outer surface increases annular groove,
Increase adhesion strength between metal block and rubber friction block；End metal sealing plate 4, an end annular groove, can rub with rubber
The connection of 3 gas passage of metal block is wiped, another end is gas nozzle structure, convenient for connecting with intake valve 50 or 60 pipeline of vent valve；
Open out baltimore groove in 5 outer surface of rubber friction block, it is possible to reduce frictional resistance horizontally slips convenient for rubber friction damper, rubber
Friction block cylinder border is opened gas passage and is passed through convenient for gas, the slightly larger combination lubricant layer 2 of two ends diameter, close for formation gases
Envelope；6 tapping of piston thread bar is convenient for connecting with rubber friction metal block 3 and end metal sealing plate 4；7 outer surface of cover board is attacked outer
Screw thread, can be directly threaded into cylinder barrel 1, and 7 centre bore of cover board may pass through piston thread bar 3 and be mounted directly；Tracheae 8 can be directly connected to
On the gas nozzle of end metal sealing plate 4.
Cylinder barrel 1, piston thread bar 6 and cover board 7 are that 304 stainless steel machines add part, can satisfy the rigidity of damper structure
And intensity requirement；Lubricant layer 2 is grease based on molybdenum disulfide lithium 3, can satisfy friction, lubrication requirement；Rubber friction metal block
3 and end metal sealing plate 4 be 304 stainless steels, can satisfy friction block stiffness and strength requirement；Rubber friction block 5 is polyurethane
Silicon rubber can satisfy friction damping requirement；Tracheae 8 is General Purpose Rubber pipe.
Prepare installation process:
1) it welds: machine plus good rubber friction metal block 3 and end metal sealing plate 4 is welded, commissure needs smooth fairing；
2) preformed rubber friction block: will be put into mold after the metal block being welded surface treatment, be inserted into gas passage pin,
Deployed rubber liquid (deployed rubber liquid needs first de-bubble) is poured into, heating vulcanization is taken out the rubber friction block prepared and repaired
Type notices that gas passage is stifled to needing to fill in；
2) it is bonded lubricant layer 2: applying lubricant layer 2 in 1 inner surface of cylinder barrel, apply profit in prefabricated rubber friction block outer surface
Slip layer 2；
3) rubber friction block is installed: being screwed into rubber friction block on piston thread bar 5；
4) tracheae 8: the pipe laying 8 at end metal sealing plate 4 twice gas nozzle is installed, and is tightened with clip；
5) piston thread bar 3 is installed: the piston thread bar for installing rubber friction block is inserted into cylinder barrel 1, is moved up and down
See whether clamping stagnation, if any clamping stagnation modify rubber friction block outer diameter；
6) install cover board 7: cover board 7 passes through threaded rod end, is directly threaded into 1 inside of cylinder barrel.
7) system connects: rising and falling on frame body in the installation of rubber friction damper 10, displacement sensor 20 is mounted on rubber
Damper upper end, is connected into data processing system 30 and air valve controller 40, and intake valve 50 and air outlet valve 60 are connected to 8 liang of tracheae
Side.
The above content is combine the preferred embodiment of the present invention to made by provided technical solution further specifically
It is bright, and it cannot be said that the present invention specific implementation be confined to it is above-mentioned these explanation, for the common skill of the technical field of the invention
For art personnel, without departing from the inventive concept of the premise, a number of simple deductions or replacements can also be made, all should be considered as
It belongs to the scope of protection of the present invention.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (9)
1. a kind of rubber friction damper system of air pressure adjustment control, it is characterised in that: including rubber shock absorber, displacement sensing
Device, data processing system, air valve controller, intake valve and vent valve；
The rubber shock absorber includes that cylinder barrel, lubricant layer, rubber friction metal block, rubber friction block, piston rod, cover board are gentle
Pipe；The cylinder barrel is tubular structure open at one end, and open end is provided with cover board, the center of the cover board and cylinder barrel closed end
Place is provided with through-hole, and inner wall of cylinder is coated with lubricant layer；The piston rod coaxially sequentially passes through the cover board and cylinder barrel closed end
Through-hole, and guarantee to be clearance fit；In the cylinder barrel, rubber friction metal is coaxially successively fixedly installed on the piston rod
Block and rubber friction block, the rubber friction block and the inner wall of cylinder are interference fit；
The rubber friction metal block is the tubular structure of both ends open, is provided with multiple gases between the inner and outer surfaces of tube wall
Channel, and one gas channel inlet is respectively set at rubber friction metal block both ends, it is provided at two gas channel inlets
Gas nozzle structure, two gas nozzle structures pass through tracheae respectively and connect with intake valve, vent valve；The rubber friction metal block pipe
Multiple gas path exit ports are provided on wall outer peripheral surface；The rubber friction block is the tubular structure of both ends open, on circumferential surface
Be provided with several through-holes, corresponded with the gas path exit port of the rubber friction metal block tube wall so that gas from it is described into
Air valve pass sequentially through tracheae, gas nozzle structure, gas passage be filled into the rubber friction block through-hole and the inner wall of cylinder it
Between；
Institute's displacement sensors feed back for testing the rubber shimmy-damper displacement data and arrive the data processing system；Institute
It states data processing system and the air valve controller is sent to according to displacement data generation control instruction；The air valve controller executes
The instruction that the data processing system is conveyed further controls the switch of intake valve and vent valve.
2. the rubber friction damper system of air pressure adjustment control according to claim 1, it is characterised in that: institute's piston rod is
Piston thread bar is fixedly mounted by the screw-internal thread fit of screw thread and the rubber friction metal block on its outer peripheral surface.
3. the rubber friction damper system of air pressure adjustment control according to claim 1, it is characterised in that: the rubber rubs
It wipes and is glued between metal block and the rubber friction block using hot glue, directly vulcanized rubber friction block in rubber using sulfuration process
On friction block metal block outer surface.
4. the rubber friction damper system of air pressure adjustment control according to claim 1, it is characterised in that: the rubber rubs
It wipes and is coaxially arranged with multiple annular convex platform on metal block outer peripheral surface, the boss height is more than or equal to 2mm, with the rubber friction
The multiple annular grooves cooperation being arranged on block inner peripheral surface, can increase the combination between rubber friction metal block and rubber friction block
Intensity.
5. the rubber friction damper system of air pressure adjustment control according to claim 1, it is characterised in that: the rubber rubs
Multiple annular grooves are provided with along its axial direction on cleaning block outer peripheral surface, for reducing the contact surface of rubber friction block Yu the inner wall of cylinder
Product.
6. the rubber friction damper system of air pressure adjustment control according to claim 1, it is characterised in that: the rubber rubs
Central axis direction is parallel in the tube wall of wiping metal block and is circumferentially provided with several through-holes, outside each through-hole in tube wall and tube wall
Multiple through-holes are provided between surface, as gas passage；Rubber friction metal block both ends are respectively and fixedly provided with the end gold of annular
Belong to sealing plate, for the gas passage of seal rubber frictional metal block, through-hole one end for opening up on two end metal sealing plates
It is connected to several through-holes for being parallel to central axis direction in tube wall, the other end is provided with gas nozzle structure, two gas nozzles
Structure passes through tracheae respectively and connect with intake valve, vent valve.
7. the rubber friction damper system of air pressure adjustment control according to claim 6, it is characterised in that: the rubber rubs
It wipes and is all provided with annular groove on the end face at metal block both ends；The annular groove that the end metal sealing plate one side opens up with it is described
The annular groove being arranged on rubber friction metal block end face is coupled, and another side is equipped with gas nozzle structure；The end gold
Belong to seal plate welding on the end face of the rubber friction metal block.
8. the rubber friction damper system of air pressure adjustment control according to claim 1, it is characterised in that: the cover board is logical
It crosses screw thread and tightens the open end for being installed on the cylinder barrel.
9. the rubber friction damper system of air pressure adjustment control according to claim 1, it is characterised in that: the lubricant layer
Using grease based on molybdenum disulfide lithium, it is applied directly to the cylinder barrel and rubber friction block surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529085.5A CN110242695B (en) | 2019-06-19 | 2019-06-19 | Pneumatic-regulation-control rubber friction shock absorber system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529085.5A CN110242695B (en) | 2019-06-19 | 2019-06-19 | Pneumatic-regulation-control rubber friction shock absorber system |
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| CN110242695A true CN110242695A (en) | 2019-09-17 |
| CN110242695B CN110242695B (en) | 2024-05-24 |
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| JP2004003563A (en) * | 2002-05-31 | 2004-01-08 | Tokai Rubber Ind Ltd | Sliding friction damper |
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| CN201679896U (en) * | 2010-01-12 | 2010-12-22 | 宁波米斯克精密机械工程技术有限公司 | Vibration resistant device of mechanical equipment |
| CN102628486A (en) * | 2012-04-01 | 2012-08-08 | 常乐 | Stiffness and damp variable air vibration isolation support |
| KR20170089054A (en) * | 2016-01-25 | 2017-08-03 | 최창림 | Pneumatic shock absorber |
| CN109869429A (en) * | 2017-12-01 | 2019-06-11 | 中国飞机强度研究所 | A kind of novel friction type shimmy-damper |
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2019
- 2019-06-19 CN CN201910529085.5A patent/CN110242695B/en active Active
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