CN206802349U - Gas-liquid secondary buffer and its explosion-protection equipment - Google Patents
Gas-liquid secondary buffer and its explosion-protection equipment Download PDFInfo
- Publication number
- CN206802349U CN206802349U CN201720396570.6U CN201720396570U CN206802349U CN 206802349 U CN206802349 U CN 206802349U CN 201720396570 U CN201720396570 U CN 201720396570U CN 206802349 U CN206802349 U CN 206802349U
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- sleeve
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- piston
- hole
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Abstract
The utility model announces gas-liquid secondary buffer and its explosion-protection equipment, belongs to anti-vibration and shock component.Composite cylinder is divided into cylinder body leading portion and cylinder body back segment;Sleeve is slidably fitted with cylinder body leading portion, the air flue being provided with sleeve lateral wall on the inside of connection barrel forward end to sleeve rear end;Secondary piston is slidably fitted with sleeve;Rear piston is slidably fitted with cylinder body back segment;A through hole is provided with the sleeve rear end, connecting rod is connected between secondary piston and rear piston, the connecting rod passes through the through hole of sleeve rear end, sealing device is provided between sleeve through hole and connecting rod.The utility model uses gas-liquid composite buffering structure, dependable performance, and cushion stroke is grown, and small volume, dependable performance is easily installed;Can absorb wholly or largely Impact energy in fierceness collision, hit that the accelerating curve of formation is excellent, plus explosion-protection equipment design can preferably protection staff and equipment safety.
Description
Technical field
Anti-vibration and shock component is the utility model is related to, specifically a kind of gas-liquid secondary buffer and its explosion-protection equipment.
Background technology
As the big energy anti-vibration and shock component of low frequency, it is desirable to can as far as possible be realized under low frequency big displacement operating mode and low be
System intrinsic frequency and realize the relatively low power augmentation factor under system peak response condition.This is that current all kinds of electromechanical equipments are set
Apply that the high key project facility of especially antidetonation pooling feature requirement is highly desirable to be solved the problems, such as.
In existing anti-vibration and shock product, mainly there are rubber-like, air spring class, steel wire rope class and the production of wire spring class
Product.Rubber-based products impact strength is low, and environmental suitability is poor, short life;General air spring class product due to air bag inside and outside
Pressure difference is big, and volume is big, in-convenience in use, it is dumb;Steel wire rope class product easy unstability and has under relatively low system frequency
Creep;General wire spring class product is easy to unstability under relatively low system frequency, damping very little and outer
Annular volume is big.
In general the stroke of anti-vibration and shock product is bigger, and its buffering effect is more steady, effect is better, but its volume phase
Bigger for, the installing space that it needs is also bigger.How the stroke of buffering is increased, and it is present urgency to reduce its volume
Need to solve the problems, such as.
The content of the invention
In order to solve the above technical problems, the utility model provides a kind of gas-liquid secondary buffer and its explosion-protection equipment.
The utility model is achieved through the following technical solutions:A kind of gas-liquid secondary buffer, including a composite cylinder;Institute
State composite cylinder and be divided into cylinder body leading portion and cylinder body back segment, cylinder body back segment internal diameter is less than cylinder body leading portion internal diameter;The composite cylinder
Sleeve closed at both ends is slidably fitted with cylinder body leading portion, is provided with sleeve lateral wall on the inside of connection barrel forward end to sleeve rear end
Air flue;Sealing device is provided between sleeve outer wall and the composite cylinder inwall;Secondary piston is slidably fitted with sleeve;It is described
Rear piston is slidably fitted with the cylinder body back segment of composite cylinder;Be provided with a through hole in the sleeve rear end, the secondary piston and
Connecting rod is connected between piston afterwards, the connecting rod passes through the through hole of sleeve rear end, and sealing is provided between sleeve through hole and connecting rod
Device.
It is further:The left end of the sleeve outer wall is provided with guide ring;The left end of the sleeve outer wall is provided with centre
Piston;Sealing ring is embedded with the intermediate piston outer circumference surface.
Two relative air flues are provided with the sleeve lateral wall;It is provided with what is communicated with air flue in the sleeve rear end medial surface
Air channel, air channel are in regular hexagon.
The barrel forward end is provided with stomata, and scavenging air valve is provided with stomata.
Installation through-hole is provided between the cylinder body leading portion and cylinder body back segment of the composite cylinder, is provided with installation through-hole and changes liquid
Valve.
A kind of gas explosion-protection equipment of gas-liquid secondary buffer described in claim 1, including a liquid capsule, the liquid capsule pass through
Pipeline I is connected in the composite cylinder between secondary piston and rear piston;Pressure valve is installed on the pipeline I;The sleeve
Front end is connected with the pipeline II with pressure valve control connection.
It is further:The pipeline II is provided with switch.
Compared with prior art, the beneficial effects of the utility model are:Using gas-liquid composite buffering structure, dependable performance,
Cushion stroke is grown, and small volume, dependable performance is easily installed;Wholly or largely Impact energy can be absorbed in fierceness collision, is hit
The accelerating curve of formation is excellent, plus explosion-protection equipment design can preferably protection staff and equipment safety;After buffering
Do not rebound, be avoided that secondary injury caused by shock bounce-back.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model gas-liquid secondary buffer;
Fig. 2 is A direction views in Fig. 1;
Fig. 3 is structural representation when the utility model carries explosion-protection equipment.
In figure:1st, switch;2nd, sleeve;2-1, air flue;2-2, guide ring;2-3, intermediate piston;2-4, air channel;3rd, preceding work
Plug;4th, connecting rod;5th, composite cylinder;6th, rear piston;7th, scavenging air valve;8th, flushing valve;9th, liquid capsule;10th, pipeline I;11st, pressure valve;
12nd, pipeline II.
Embodiment
It is a specific embodiment of the present utility model below, the utility model is described further in conjunction with accompanying drawing.
As shown in figure 1, a kind of gas-liquid secondary buffer, composite cylinder 5 divides for cylinder body leading portion and cylinder body back segment, cylinder body back segment
Internal diameter is less than cylinder body leading portion internal diameter.Sleeve 2 is closed at both ends, and it is slidably mounted in the cylinder body leading portion of composite cylinder 5;Outside sleeve 2
The left end of wall is provided with guide ring 2-2, ensures the axiality of sleeve 2 and composite cylinder 5;The left end of the outer wall of sleeve 2 is provided with centre
Piston 2-3, sealing ring is embedded with intermediate piston 2-3 outer circumference surfaces, and intermediate piston 2-3 prevents the liquid of rear side from leaking;
The connection front end of sleeve 2 is provided with the side wall of sleeve 2 to the air flue 2-1 of the rear inside of sleeve 2;Air flue 2-1 shares two, symmetrical cloth
Put;The air channel 2-4 communicated with air flue 2-1 is provided with the rear inside face of sleeve 2, air channel 2-4 is in regular hexagon, such as Fig. 2.Set
Secondary piston 3 is slidably fitted with cylinder 2;Rear piston 6 is slidably fitted with the cylinder body back segment of composite cylinder 5.It is provided with the rear end of sleeve 2
One through hole, is connected with connecting rod 4 between secondary piston 3 and rear piston 6, connecting rod 4 passes through the through hole of the rear end of sleeve 2;In the through hole of sleeve 2
Inwall is provided with sealing ring.In the front side of secondary piston 3 filled with gas, filled with liquid between secondary piston 3 and rear piston 6.It is in use, multiple
Close cylinder body 5 to fix as pedestal, press rods are connected outside sleeve 2, with treating that cushioning product is connected;When sleeve 2 moves backward, secondary piston
3 move relatively forward, gas compression, play damping effect;At this moment, rear piston 6 can also move backward relatively, due to cylinder body leading portion
Different with cylinder body back segment diameter, in-between volume reduces, and liquid compression, plays damping effect.Gas and liquid compression compression
Process is carried out simultaneously, and relative expands stroke, and also can reduces relative volume, convenient installation accordingly.Sleeve 2
Front end is provided with stomata, and scavenging air valve 7 is provided with stomata.It is logical that installation is provided between the cylinder body leading portion and cylinder body back segment of composite cylinder 5
Hole, flushing valve 8 is installed on installation through-hole.Scavenging air valve 7 and flushing valve 8 are used to change or increase and decrease medium, to adjust its pressure
The scope of application.
As shown in figure 3, the gas explosion-protection equipment of gas-liquid secondary buffer, liquid capsule 9 is connected to the He of secondary piston 3 by pipeline I 10
Afterwards in the composite cylinder 5 between piston 6;Pressure valve 11 is installed on pipeline I 10;The front end of sleeve 2 is connected with pipeline II 12, pipe
The control of road II 12 connection pressure valve 11;When gas pressure reaches predetermined value in sleeve 2, pressure valve 11 is opened, and one
Partially liq enters liquid capsule 9, to reduce the pressure of liquids and gases in sleeve 2;After pressure reduces, pressure valve 11 is again
Close, gas-liquid secondary buffer normal work.
Claims (7)
1. a kind of gas-liquid secondary buffer, including a composite cylinder (5);The composite cylinder (5) is divided into cylinder body leading portion and cylinder
Body back segment, cylinder body back segment internal diameter are less than cylinder body leading portion internal diameter;It is characterized in that:It is sliding in the cylinder body leading portion of the composite cylinder (5)
It is dynamic that sleeve closed at both ends (2) is installed, connection sleeve (2) front end to sleeve (2) rear inside is provided with sleeve (2) side wall
Air flue (2-1);Sealing device is provided between sleeve (2) outer wall and composite cylinder (5) inwall;Peace is slided in sleeve (2)
Equipped with secondary piston (3);Rear piston (6) is slidably fitted with the cylinder body back segment of the composite cylinder (5);After the sleeve (2)
End is provided with a through hole, connecting rod (4) is connected between the secondary piston (3) and rear piston (6), the connecting rod (4) passes through sleeve
(2) through hole of rear end, sealing device is provided between sleeve (2) through hole and connecting rod (4).
2. gas-liquid secondary buffer according to claim 1, it is characterised in that:The left end of sleeve (2) outer wall is provided with
Guide ring (2-2);The left end of sleeve (2) outer wall is provided with intermediate piston (2-3);It is cylindrical in the intermediate piston (2-3)
Sealing ring is embedded with side face.
3. gas-liquid secondary buffer according to claim 1, it is characterised in that:Two are provided with sleeve (2) side wall
Relative air flue (2-1);The air channel (2-4) communicated with air flue (2-1) is provided with the sleeve (2) rear inside face, is ventilated
Groove (2-4) is in regular hexagon.
4. gas-liquid secondary buffer according to claim 1, it is characterised in that:Sleeve (2) front end is provided with stomata, gas
Scavenging air valve (7) is installed on hole.
5. gas-liquid secondary buffer according to claim 1, it is characterised in that:The cylinder body leading portion of the composite cylinder (5)
Installation through-hole is provided between cylinder body back segment, flushing valve (8) is installed on installation through-hole.
A kind of 6. gas explosion-protection equipment using gas-liquid secondary buffer described in claim 1, it is characterised in that:Also include a liquid
Capsule (9), the liquid capsule (9) are connected to the composite cylinder (5) between secondary piston (3) and rear piston (6) Nei by pipeline I (10);
Pressure valve (11) is installed on the pipeline I (10);Sleeve (2) front end is connected with to be connected with pressure valve (11) control
Pipeline II (12).
7. the explosion-protection equipment of gas-liquid secondary buffer according to claim 6, it is characterised in that:Set on the pipeline II (12)
There is switch (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720396570.6U CN206802349U (en) | 2017-04-17 | 2017-04-17 | Gas-liquid secondary buffer and its explosion-protection equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720396570.6U CN206802349U (en) | 2017-04-17 | 2017-04-17 | Gas-liquid secondary buffer and its explosion-protection equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206802349U true CN206802349U (en) | 2017-12-26 |
Family
ID=60733139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720396570.6U Expired - Fee Related CN206802349U (en) | 2017-04-17 | 2017-04-17 | Gas-liquid secondary buffer and its explosion-protection equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206802349U (en) |
-
2017
- 2017-04-17 CN CN201720396570.6U patent/CN206802349U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20180417 |
|
CF01 | Termination of patent right due to non-payment of annual fee |