CN109141111A - A kind of light-gas gun air damping buffer unit - Google Patents
A kind of light-gas gun air damping buffer unit Download PDFInfo
- Publication number
- CN109141111A CN109141111A CN201811026793.9A CN201811026793A CN109141111A CN 109141111 A CN109141111 A CN 109141111A CN 201811026793 A CN201811026793 A CN 201811026793A CN 109141111 A CN109141111 A CN 109141111A
- Authority
- CN
- China
- Prior art keywords
- flange
- cylinder
- buffering
- cylinder body
- cushion dashpot
- 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.)
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Links
- 239000000872 buffer Substances 0.000 title claims abstract description 60
- 238000013016 damping Methods 0.000 title claims abstract description 46
- 230000003139 buffering effect Effects 0.000 claims abstract description 76
- 239000000126 substance Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 239000008141 laxative Substances 0.000 claims description 3
- 230000002475 laxative effect Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000003566 sealing material Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 230000001052 transient effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
- F41B11/70—Details not provided for in F41B11/50 or F41B11/60
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of light-gas gun air damping buffer unit, it includes frame connecting cylinder, launching tube connecting cylinder, buffer cylinder body, buffer cylinder barrel and cushion dashpot flange, by buffering cylinder barrel upper flanges, cushion dashpot flange, it buffers inboard wall of cylinder block and cushion dashpot drum outer wall constitutes an annular chamber, when all valves of cushion dashpot flange are closed, the chamber is in air-tight state, utilize the air in cavity, realize the effect for reducing compression travel while bearing larger transient load, and change damping force provided by the air in cavity by the pressure release threshold values of adjustment spring Low lift safety valve, to adapt to different emission rates.
Description
Technical field
The present invention relates to buffer unit technical fields, specifically, more particularly to a kind of light-gas gun air damping buffering dress
It sets.
Background technique
Navigation body Model sub-aqua sport experiment is the important channel for studying its hydrodynamic characterisitic, has important meaning in engineering
Justice.Higher speed is obtained to make to navigate by water body Model, and can guarantee that sail body model center revolution body component and periphery are attached
Part in high-speed motion can off center revolving body and peripheral accessory be not destroyed, this requires for being detached from peripheral accessory
Buffer unit can carry biggish transient load, and buffer unit needs biggish compression travel.Due to sail body mould
Type underwater experiment it is tentative, the movement velocity for navigating by water body Model needs to change, and it is slow that this also requires to make peripheral accessory to be detached from
The damping force of flushing device is adjustable in a certain range.
Air damper is a kind of vibration absorber using air viscosity.Its damping is situated between unlike general damper
Matter is air, so as to the certain disadvantages for overcoming liquid sticky to damp.Since the compressibility of air is larger, can bear compared with
Big displacement.Air is contained in sealed gas chamber, can all provide damping in vertical and horizontal direction.For liquid,
The viscosity of air varies with temperature less, thus performance is more stable.Air damper can be by setting closed container
The size variation of damping force in the variation control buffering course of air pressure threshold values.
Summary of the invention
According to the unbearable biggish transient load of buffer unit set forth above and the larger technical problem of compression travel, and
A kind of light-gas gun air damping buffer unit is provided.The present invention is mainly buffered using the air in cavity, to play
Bear the effect for reducing compression travel while larger transient load.
The technological means that the present invention uses is as follows:
A kind of light-gas gun air damping buffer unit comprising:
Frame connecting cylinder, cylindrical tube, upper flange plate and lower flange with upper and lower ends opening, laxative remedy on this
Blue disk is respectively welded in the cylinder upper and lower end parts of the frame connecting cylinder, and upper flange plate has through upper and lower surface and circumferentially square
To eight through-holes being equally spaced, be inserted into through-hole using bolt and be placed through the through hole of the connecting plate of top and with even
Fishplate bar is fixedly connected, and lower flange has eight through-holes for running through upper and lower surface and being circumferentially equally spaced, on
Lower flange center offers can be for the circular hole that launching tube passes through, and it is straight that the cylindrical tube diameter of frame connecting cylinder is greater than launching tube
Diameter, and venthole is offered in the side of cylindrical tube；
Launching tube connecting cylinder, is set on launching tube, has an aperture cylindrical tube, upper flange plate and lower flange
Disk, upper lower flange are respectively welded the cylinder upper and lower end parts in launching tube connecting cylinder, upper flange plate have through upper and lower surface and
Eight through-holes being circumferentially equally spaced are inserted into through-hole using stay bolt and pass through the lower flange of frame connecting cylinder
The through-hole of disk, so that launching tube connecting cylinder is fixedly connected with frame connecting cylinder, lower flange have through upper and lower surface and along
Eight through-holes that circumferencial direction is equally spaced, upper lower flange center offer can for the circular hole that launching tube passes through, under
The surface towards upper flange plate of ring flange offer for launching tube end place slot, the slot two sides of lower flange offer with
The cylindrical tube diameter of the venthole that buffering cylinder body communicates, launching tube connecting cylinder is greater than launching tube diameter, cylindrical tube
Side offers venthole；
Cylinder body is buffered, with cylindrical drum, upper flange plate and lower flange, upper flange plate is welded in buffering cylinder body
Cylinder upper end, upper flange plate has through upper and lower surface and eight through-holes being circumferentially equally spaced, benefit
Through-hole is inserted into bolt and passes through the through-hole of the lower flange of launching tube connecting cylinder, so that buffering cylinder body be connect with launching tube
Cylinder is fixedly connected, and the mode that the cylinder bottom surface of surface below lower flange and buffering cylinder body is kept fixed distance is welded in cushion dashpot
The cylinder of body, to make to buffer the lower surface of the slave lower flange of the cylinder of cylinder body to the part shape of the cylinder bottom surface of buffering cylinder body
As the protrusion protruded to cushion dashpot flange, lower flange has through upper and lower surface and circumferentially equally spaced divides
Eight through-holes of cloth；
Cushion dashpot flange successively has medium pore, eight threaded holes and eight through-holes from center outward, wherein
Medium pore runs through the upper and lower surface of cushion dashpot flange and inside is contacted with the stack shell of buffering cylinder barrel, and is sealed with this spy's envelope,
Eight threaded holes run through the upper and lower surface of cushion dashpot flange and are circumferentially equally spaced, for installing spring micro-opening
Formula safety valve, the threaded hole and spring micro-open type safety valve pass through the threaded connection equipped with raw material band between screw thread, and eight through-holes pass through
It wears the upper and lower surface of cushion dashpot flange and is circumferentially equally spaced, be inserted into through-hole using bolt and pass through buffering
The through-hole of the lower flange of cylinder body, to cushion dashpot flange is fixedly connected with buffering cylinder body, in addition, in the threaded hole
An air inlet is provided between the adjacent threaded hole of any two for one-way air inlet, between two adjacent threaded holes and
Be provided with a bleeder port for installing relief valve relative to position symmetrical centered on flange center with air inlet, further and
Speech, cushion dashpot flange offers the concave part that can be inserted into for the protrusion in the upper surface towards buffering cylinder body, to make
The cylinder of buffering cylinder body is connect with cushion dashpot flange seal；
Cylinder barrel is buffered, there is cylinder-shaped stack shell, buffering cylinder barrel upper flanges and upper end buffer sealing part, wherein on
End buffer sealing part is placed on buffering cylinder barrel upper flanges and connect by screw with buffering cylinder barrel upper flanges, in cushion dashpot
The side of cylinder upper flanges circumferentially offers twice annular groove up and down, upside annular groove and downside annular groove respectively in
It is equipped with this spy's envelope and is in contact with the inner wall of buffering cylinder body, the piston motion of buffering cylinder barrel is risen while playing sealing function
It is acted on to limition orientation, buffering cylinder barrel upper flanges, cushion dashpot flange, buffering inboard wall of cylinder block and cushion dashpot drum outer wall constitute one
The chamber of a annular, when all valves of cushion dashpot flange are closed, which is in air-tight state.
Further, the junction of the lower flange of frame connecting cylinder and the cylinder of frame connecting cylinder is provided with deep bracket.
Further, the inner surface for buffering cylinder body has certain finish by surface processing.
Further, the cylinder lower end for buffering cylinder body carries out surface roughness and handles to guarantee leakproofness.
Further, it is carried out in the gentle junction for rushing cylinder flange of buffering cylinder body using the sealing material of polyurethane material close
Envelope.
Further, the maximum compressibility of the chamber is less than the emitting substance appendage length collided with cushion.
Further, the upper end buffer sealing part is the cushion of annular polyurethane material.
Further, the cushion dashpot flange equipped with eight spring micro-open type safety valves and can pass through regulation safety valve
Pressure release threshold values changes the damping force that buffer unit provides, to adapt to different emission rates.
Compared with the prior art, the invention has the following advantages that
1, light-gas gun air damping buffer unit provided by the invention, using the air in cavity, realize bear compared with
Reduce the effect of compression travel while big transient load.
2, light-gas gun air damping buffer unit provided by the invention, passes through the relief valve of adjustment spring Low lift safety valve
Value changes damping force provided by the air in cavity, to adapt to different emission rates.
The present invention can be widely popularized in fields such as air damping buffer units based on the above reasons.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the cross-sectional view of light-gas gun air damping buffer unit of the invention.
Fig. 2 is the side sectional view of the frame connecting cylinder of light-gas gun air damping buffer unit of the invention.
Fig. 3 is the side sectional view of the launching tube connecting cylinder of light-gas gun air damping buffer unit of the invention.
Fig. 4 is the buffering side of cylinder block cross-sectional view of light-gas gun air damping buffer unit of the invention.
Fig. 5 is the buffering cylinder barrel side sectional view of light-gas gun air damping buffer unit of the invention.
Fig. 6 is the cushion dashpot flange top view of light-gas gun air damping buffer unit of the invention.
Fig. 7 is the sealing damping ring top view of light-gas gun air damping buffer unit of the invention.
Fig. 8 is the top view of the connecting plate of light-gas gun air damping buffer unit of the invention.
In figure: 1, connecting plate；2, frame connecting cylinder；3, launching tube connecting cylinder；4, cylinder body is buffered；5, cylinder barrel is buffered；6, it buffers
Cylinder flange；7, launching tube；8, transmitter rack；9, chamber；10,17,24, upper flange plate；11,14,18,20,25,27,31, logical
Hole；12,19,26, lower flange；15, deep bracket；16,22,23, venthole；21, slot；28, protrusion；29, interconnecting piece；
30, this spy's envelope；32, threaded hole；33, air inlet；34, bleeder port；35, screw；36, cushion；37, downside annular groove；38, delay
Rush cylinder barrel upper flanges；39, damping ring is sealed；40, upside annular groove.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, appointing should be construed as merely illustratively to occurrence, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
Embodiment 1
As shown in figures 1-8, the present invention provides a kind of light-gas gun air damping buffer units comprising: frame connecting cylinder 2,
Its cylindrical tube, upper flange plate 10 and lower flange 12 with upper and lower ends opening, lower flange 10 welds respectively on this
It is connected to the cylinder upper and lower end parts of frame connecting cylinder 10, upper flange plate 10 has through upper and lower surface and circumferentially equally spaced
Eight through-holes 11 of distribution, and be inserted into through-hole using bolt and be placed through the connecting plate 1 of top through hole and connecting plate 1 it is solid
Fixed connection, lower flange 12 has eight through-holes 14 for running through upper and lower surface and being circumferentially equally spaced, in frame
The junction of the cylinder of the lower flange 12 and frame connecting cylinder 2 of connecting cylinder 2 is provided with deep bracket 15 to increase intensity, upper laxative remedy
Blue disk center offers the circular hole that can be passed through for launching tube 7, and the cylindrical tube diameter of frame connecting cylinder is greater than launching tube diameter,
And venthole 16 is offered in the side of cylindrical tube.
In addition, light-gas gun air damping buffer unit also has launching tube connecting cylinder 3, it is set on launching tube 7, has
One aperture cylindrical tube, upper flange plate 17 and lower flange 19, upper lower flange are respectively welded in launching tube connecting cylinder 3
Cylinder upper and lower end parts, upper flange plate have eight through-holes 18 for running through upper and lower surface and being circumferentially equally spaced,
Using stay bolt be inserted into through-hole and pass through frame connecting cylinder 2 lower flange 12 through-hole 14, thus by launching tube connecting cylinder 3 with
Frame connecting cylinder 2 is fixedly connected, and lower flange 19 has eight for running through upper and lower surface and being circumferentially equally spaced
Through-hole 20, upper lower flange center offer the circular hole that can be passed through for launching tube 7, the table towards upper flange plate of lower flange
Face offers the slot 21 placed for launching tube end, and the slot two sides of lower flange offer the venthole communicated with buffering cylinder body,
The cylindrical tube diameter of launching tube connecting cylinder is greater than launching tube diameter, and the side of cylindrical tube offers venthole 23.
In addition, light-gas gun air damping buffer unit also has buffering cylinder body 4, with cylindrical drum, upper flange plate
24 and lower flange 26, upper flange plate 24 is welded in the cylinder upper end of buffering cylinder body 4, and upper flange plate, which has, runs through upper following table
Face and eight through-holes 25 being circumferentially equally spaced are inserted into through-hole using bolt and pass through launching tube connecting cylinder
The through-hole 20 of 3 lower flange 19, to buffering cylinder body 4 is fixedly connected with launching tube connecting cylinder 3,26 following table of lower flange
The mode that face and the cylinder bottom surface of buffering cylinder body 4 are kept fixed distance is welded in the cylinder of buffering cylinder body 4, to make to buffer cylinder body
Cylinder slave lower flange lower surface to buffering cylinder body cylinder bottom surface part be formed as to cushion dashpot flange protrude
Protrusion, the cylinder lower end of buffering cylinder body 4 carry out surface roughness processing to guarantee leakproofness, and lower flange 26 has through up and down
Surface and eight through-holes 27 being circumferentially equally spaced, in addition, the inner surface of buffering cylinder body 4 is processed by surface
With certain finish.
In addition, light-gas gun air damping buffer unit also has cushion dashpot flange 6, successively have outward from center
Central aperture, eight threaded holes 32 and eight through-holes 31, wherein medium pore through cushion dashpot flange 6 upper and lower surface and inside with
The stack shell contact of cylinder barrel 5 is buffered, and is sealed with this spy's envelope 30, eight threaded holes 32 run through the upper following table of cushion dashpot flange 6
It face and is circumferentially equally spaced, for installing spring micro-open type safety valve, the threaded hole and spring micro-opening formula are pacified
Full valve passes through the threaded connection equipped with raw material band between screw thread, and eight through-holes 31 run through the upper and lower surface of cushion dashpot flange and along circle
Circumferential direction is equally spaced, and is inserted into through-hole 31 using bolt and is passed through the through-hole of the lower flange 26 of buffering cylinder body 4, thus
Cushion dashpot flange is fixedly connected with buffering cylinder body, uses polyurethane material in the junction of buffering cylinder body 4 and cushion dashpot flange 6
Sealing material be sealed, air inlet 33 is provided between the adjacent threaded hole of any two in threaded hole 31 and is used
In one-way air inlet, between two adjacent threaded holes and and air inlet relative to flange center centered on symmetrical position be arranged
There is a bleeder port 34 for installing relief valve, furthermore, cushion dashpot flange 6 is opened up in the upper surface towards buffering cylinder body
There is the concave part that can be inserted into for protrusion 28, so that the cylinder for buffering cylinder body be made to connect with cushion dashpot flange seal；
In addition, light-gas gun air damping buffer unit also has buffering cylinder barrel 5, there is cylinder-shaped stack shell, buffering cylinder barrel
Upper flanges 38 and upper end buffer sealing part, wherein upper end buffer sealing part is placed on buffering cylinder barrel upper flanges and borrows
Screw is helped to connect with buffering cylinder barrel upper flanges, and upper end buffer sealing part is the cushion 36 of annular polyurethane material,
The side of buffering cylinder barrel upper flanges 38 circumferentially offers twice annular groove up and down, upside annular groove 40 and lower side ring
Shape slot 37 is built-in with this spy's envelope 30 respectively and is in contact with the inner wall of buffering cylinder body, to cushion dashpot while playing sealing function
The piston motion of cylinder plays the role of limition orientation, buffering cylinder barrel upper flanges 38, cushion dashpot flange 6, buffer 4 inner wall of cylinder body and
It buffers 5 outer wall of cylinder barrel and constitutes an annular chamber, when all valves of cushion dashpot flange are closed, which is in sealed shape
State, the maximum compressibility of chamber are less than the emitting substance appendage length collided with cushion.In addition, cushion dashpot flange is equipped with eight bullets
Spring Low lift safety valve simultaneously can change the damping force that buffer unit provides by the pressure release threshold values of regulation safety valve, to adapt to not
Same emission rate.
In addition, frame connecting cylinder 2, launching tube connecting cylinder 3, buffering cylinder body 4, the axis for buffering cylinder barrel 5 and cushion dashpot flange 6
It is respectively positioned on same straight line.
The working principle of light-gas gun air damping buffer unit is as follows:
In the initial state, the lower flange of buffering 5 upper end of cylinder barrel is installed cushion 36 and launching tube connecting cylinder 3
Lower surface is in contact, the air filled with certain pressure in chamber, the spring micro-open type safety valve installed on cushion dashpot flange 6,
Breather cheek valve and relief valve are in closed state, and spring micro-open type safety valve, which is adjusted to open under certain pressure, to lose heart,
When emitting substance emits, when emitting substance falls to 7 end of launching tube, emitting substance attachment and described be installed on buffer cylinder barrel upper flanges
36 making contact of cushion at 38, the cushion 36 of polyurethane material play buffer function to emitting substance attachment, emitting substance with
Emitting substance attachment is detached from, and other parts of the emitting substance in addition to attachment continue along the whereabouts of buffering cylinder barrel 5, and buffering cylinder barrel 5 is emitting
It is moved downward under the percussion of object attachment, the gas in chamber 9 is compressed, and cylinder interior gas pressure increases, to cushion dashpot
The upward active force of cylinder 5 increases, and plays buffer function to the whereabouts of buffering cylinder barrel 5；With in chamber 9 gas pressure it is further
Increase, safety valve is opened after reaching the safe threshold of spring micro-open type safety valve, and the compressed gas in chamber 9 is released, is prevented
Cylinder barrel 5 is anti-under the action of cavity indoor pressure gas pushes back initial position for buffering.9 maximum compressibility of chamber is less than emitting substance attachment
Length, after making contact, emitting substance attachment still some be located in launching tube.Buffering cylinder barrel 5 is completed after once buffering, and is led to
The one-way air inlet hole being connected on cushion dashpot flange 6 charged pressure gas into chamber 9 is crossed, delay the gas pressure in cylinder will
It rushes cylinder barrel 5 and pushes back position under original state, open the relief valve being installed on cushion dashpot flange 6 and release air pressure in chamber 9,
It, can be by adjusting spring micro-opening when emitting substance speed changes, and the requirement to the damping force that buffer unit generates changes
The pressure release threshold values of formula safety valve is adjusted damping force caused by chamber 9, to adapt to different emitting substance emission rates.
Above-mentioned light-gas gun air damping buffer unit realizes using the air in cavity and is bearing larger transient load
Reduce the effect of compression travel simultaneously, and changes the sky in cavity by the pressure release threshold values of adjustment spring Low lift safety valve
Damping force provided by gas, to adapt to different emission rates.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of light-gas gun air damping buffer unit characterized by comprising
Frame connecting cylinder, cylindrical tube, upper flange plate and lower flange with upper and lower ends opening, lower flange on this
It is respectively welded in the cylinder upper and lower end parts of the frame connecting cylinder, upper flange plate has through upper and lower surface and circumferentially etc.
Compartment of terrain distribution eight through-holes, using bolt be inserted into through-hole and be placed through top connecting plate through hole and and connecting plate
It is fixedly connected, lower flange has eight through-holes for running through upper and lower surface and being circumferentially equally spaced, upper laxative remedy
Blue disk center, which offers, to be greater than launching tube diameter for the circular hole that launching tube passes through, the cylindrical tube diameter of frame connecting cylinder,
And venthole is offered in the side of cylindrical tube；
Launching tube connecting cylinder, is set on launching tube, has an aperture cylindrical tube, upper flange plate and lower flange,
Upper lower flange is respectively welded the cylinder upper and lower end parts in launching tube connecting cylinder, upper flange plate have through upper and lower surface and along
Eight through-holes that circumferencial direction is equally spaced are inserted into through-hole using stay bolt and pass through the lower flange of frame connecting cylinder
Through-hole, so that launching tube connecting cylinder is fixedly connected with frame connecting cylinder, lower flange is with through upper and lower surface and circumferentially
Eight through-holes that direction is equally spaced, upper lower flange center offers can be for the circular hole that launching tube passes through, lower flange
The surface towards upper flange plate of disk offers the slot placed for launching tube end, and the slot two sides of lower flange offer and buffer
The cylindrical tube diameter of the venthole that cylinder body communicates, launching tube connecting cylinder is greater than launching tube diameter, the side of cylindrical tube
Offer venthole；
Cylinder body is buffered, with cylindrical drum, upper flange plate and lower flange, upper flange plate is welded in the cylinder of buffering cylinder body
Body upper end, upper flange plate have eight through-holes for running through upper and lower surface and being circumferentially equally spaced, utilize spiral shell
Bolt is inserted into through-hole and passes through the through-hole of the lower flange of launching tube connecting cylinder, so that buffering cylinder body be consolidated with launching tube connecting cylinder
Fixed to connect, the mode that the cylinder bottom surface of surface below lower flange and buffering cylinder body is kept fixed distance is welded in buffering cylinder body
Cylinder, so that the lower surface of the slave lower flange for the cylinder for buffering cylinder body to the part of the cylinder bottom surface of buffering cylinder body be made to be formed as
The protrusion protruded to cushion dashpot flange, lower flange have through upper and lower surface and are circumferentially equally spaced
Eight through-holes；
Cushion dashpot flange successively has medium pore, eight threaded holes and eight through-holes from center, wherein center outward
The upper and lower surface of cushion dashpot flange is run through in hole and inside is contacted with the stack shell of buffering cylinder barrel, and is sealed with this spy's envelope, eight
Threaded hole runs through the upper and lower surface of cushion dashpot flange and is circumferentially equally spaced, for installing spring micro-opening formula peace
Full valve, the threaded hole and spring micro-open type safety valve pass through the threaded connection equipped with raw material band between screw thread, and eight through-holes are through slow
It rushes the upper and lower surface of cylinder flange and is circumferentially equally spaced, be inserted into through-hole using bolt and pass through buffering cylinder body
Lower flange through-hole, thus by cushion dashpot flange with buffering cylinder body be fixedly connected, in addition, any in the threaded hole
An air inlet is provided between two adjacent threaded holes for one-way air inlet, between two adjacent threaded holes and with into
Stomata is provided with a bleeder port relative to position symmetrical centered on flange center and is used to install relief valve, furthermore,
Cushion dashpot flange offers the concave part that can be inserted into for the protrusion in the upper surface towards buffering cylinder body, to make to buffer
The cylinder of cylinder body is connect with cushion dashpot flange seal；
Cylinder barrel is buffered, there is cylinder-shaped stack shell, buffering cylinder barrel upper flanges and upper end buffer sealing part, wherein upper end is slow
It rushes sealing element to be placed on buffering cylinder barrel upper flanges and connect by screw with buffering cylinder barrel upper flanges, on buffering cylinder barrel
The side of end flanges circumferentially offers twice annular groove up and down, and upside annular groove and downside annular groove are built-in with respectively
Si Te is sealed and is in contact with the inner wall of buffering cylinder body, plays limit to the piston motion of buffering cylinder barrel while playing sealing function
Position guiding role, buffering cylinder barrel upper flanges, cushion dashpot flange, buffering inboard wall of cylinder block and cushion dashpot drum outer wall constitute a ring
The chamber of shape, when all valves of cushion dashpot flange are closed, which is in air-tight state.
2. light-gas gun air damping buffer unit according to claim 1, which is characterized in that
The junction of the cylinder of the lower flange and frame connecting cylinder of frame connecting cylinder is provided with deep bracket.
3. light-gas gun air damping buffer unit according to claim 1, which is characterized in that
The inner surface for buffering cylinder body has certain finish by surface processing.
4. light-gas gun air damping buffer unit according to claim 3, which is characterized in that
The cylinder lower end for buffering cylinder body carries out surface roughness and handles to guarantee leakproofness.
5. light-gas gun air damping buffer unit according to claim 1, which is characterized in that
It is sealed in the gentle junction for rushing cylinder flange of buffering cylinder body using the sealing material of polyurethane material.
6. light-gas gun air damping buffer unit according to claim 1, which is characterized in that
The maximum compressibility of the chamber is less than the emitting substance appendage length collided with cushion.
7. light-gas gun air damping buffer unit according to claim 1, which is characterized in that
The upper end buffer sealing part is the cushion of annular polyurethane material.
8. light-gas gun air damping buffer unit according to claim 1, which is characterized in that
The cushion dashpot flange is equipped with eight spring micro-open type safety valves and can be changed by the pressure release threshold values of regulation safety valve
The damping force that buffer unit provides, to adapt to different emission rates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026793.9A CN109141111B (en) | 2018-09-04 | 2018-09-04 | Air damping buffer device for light-gas gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026793.9A CN109141111B (en) | 2018-09-04 | 2018-09-04 | Air damping buffer device for light-gas gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109141111A true CN109141111A (en) | 2019-01-04 |
| CN109141111B CN109141111B (en) | 2020-06-02 |
Family
ID=64826763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811026793.9A Expired - Fee Related CN109141111B (en) | 2018-09-04 | 2018-09-04 | Air damping buffer device for light-gas gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109141111B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945740A (en) * | 2019-03-21 | 2019-06-28 | 哈尔滨工程大学 | It is a kind of using pressure-air as driving novel two-stage light-gas gun |
| CN113356276A (en) * | 2021-06-04 | 2021-09-07 | 千易建设集团有限公司 | Ultralow-frequency periodic vibration isolation building |
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| EP3287733B1 (en) * | 2016-08-25 | 2018-11-28 | Thomas Gore | Gas spring assembly and a catch therefor |
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| JP2001088323A (en) * | 1999-09-27 | 2001-04-03 | Canon Inc | Ink-jet recording apparatus |
| CN2916616Y (en) * | 2006-04-30 | 2007-06-27 | 中国人民解放军总参谋部工程兵科研三所 | Large diameter separate type Hopkinson pressure lever |
| US20090136715A1 (en) * | 2007-11-22 | 2009-05-28 | Quanta Computer Inc. | Air damping shockproof structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109945740A (en) * | 2019-03-21 | 2019-06-28 | 哈尔滨工程大学 | It is a kind of using pressure-air as driving novel two-stage light-gas gun |
| CN109945740B (en) * | 2019-03-21 | 2024-02-27 | 哈尔滨工程大学 | Novel two-level light air gun driven by high-pressure air |
| CN113356276A (en) * | 2021-06-04 | 2021-09-07 | 千易建设集团有限公司 | Ultralow-frequency periodic vibration isolation building |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109141111B (en) | 2020-06-02 |
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