CN206129740U - Gas cylinder fatigue test hydraulic means - Google Patents
Gas cylinder fatigue test hydraulic means Download PDFInfo
- Publication number
- CN206129740U CN206129740U CN201621088002.1U CN201621088002U CN206129740U CN 206129740 U CN206129740 U CN 206129740U CN 201621088002 U CN201621088002 U CN 201621088002U CN 206129740 U CN206129740 U CN 206129740U
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- valve
- oil
- gas cylinder
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Abstract
The utility model relates to a gas cylinder fatigue test technology field, concretely relates to gas cylinder fatigue test hydraulic means, including test system and cooling system, the test system includes oil groove, variable pump, first overflow valve, tribit four -way reversing valve, a one -way throttle valve, the 2nd one -way throttle valve, booster, basin, moisturizing pump, check valve, second overflow valve, manual pressure release valve and connecting piece, cooling system includes cooling pump and cooler. This device simple structure, low cost, it is easy and simple to handle, improved test efficiency. Control accuracy is high simultaneously, adopts the aqueous medium to pressurize to the gas cylinder and can satisfy the test requirement of some combined material gas cylinder. Through setting up cooling system, enable to have guaranteed the long -time running of this device in the hydraulic oil temperature is in the preset range value all the time, improved fatigue test's work efficiency.
Description
Technical field
This utility model is related to gas cylinder fatigue test technology field, and in particular to a kind of gas cylinder fatigue test liquid
Pressure device.
Background technology
The development of gas cylinder industry and industrial expansion are closely bound up.With scientific and technological level and the high speed development of industry,
The application of gas cylinder is more and more extensive, and all kinds of high pressure high-performance gas cylinders are in the middle of continuous development ＆ production, and gas cylinder
Also it is put in the middle of civilian gas cylinder industry type approval test.Improve the production work of gas cylinder by gas cylinder fatigue test
Skill, improves the combination property of gas cylinder, and the development to gas cylinder industry has highly important effect.The gas cylinder
Fatigue test refers to that within a period of time the supercharging for carrying out to gas cylinder repeatedly is tested, and realizes continuous pulsating pressure circulation,
In corresponding data of integrity degree and record for observing gas cylinder etc. after having tested, but existing gas cylinder fatigue experimental device structure
Complexity, high cost, and it is unable to long-play.
Utility model content
The purpose of this utility model is to provide a kind of simple structure, stable gas cylinder fatigue test hydraulic pressure dress
Put.
In order to achieve the above object, the technical solution adopted in the utility model is：Gas cylinder fatigue test hydraulic means,
Including test system and cooling system；
The test system include oil groove, variable pump, the first overflow valve, three position four-way directional control valve, the first one-way throttle valve,
Second one-way throttle valve, supercharger, tank, small pump, check valve, the second overflow valve, manual relief valve and connector, the change
The oil-in of amount pump is connected with oil groove, and the oil-out of the variable pump is connected all the way with the oil-in of the first overflow valve, Ling Yilu
It is connected with the P mouths of three position four-way directional control valve, the oil-out of first overflow valve is connected with oil groove, the three position four-way directional control valve
T mouths be connected with oil groove, the A mouths of the three position four-way directional control valve are connected with the oil-in of the first one-way throttle valve, described three
The B mouths of four-way change-over valve are connected with the oil-in of the second one-way throttle valve, and the supercharger includes low pressure chamber, rod chamber and high pressure
Chamber, the oil-out of the first one-way throttle valve is connected with the low pressure chamber of supercharger, the oil-out of second one-way throttle valve
It is connected with the rod chamber of supercharger, the import of the small pump is connected with tank, the outlet of the small pump is overflow all the way with second
The import connection of stream valve, another road is connected with the import of check valve, and the outlet of second overflow valve is connected with tank, the list
It is connected with the C mouths of the supercharger high pressure chest to the outlet of valve, the connector is provided with connector import, connector first outlet
With connector second outlet, the communicating passage for communicating, the company are provided between the connector import and connector first outlet
Fitting second outlet is connected with communicating passage, and the D mouths of the supercharger high pressure chest are connected with connector import, the connector
First outlet is connected with tested gas cylinder, and manually relief valve is connected the connector second outlet with tank；
The cooling system includes cooling pump and cooler, and the import of the cooling pump is connected with oil groove, the cooling pump
Outlet be connected with the import of cooler, the outlet of the cooler is connected with oil groove.
Gas cylinder fatigue test hydraulic means as above, further illustrates as the oil-in of the variable pump sets
There is filter.
Gas cylinder fatigue test hydraulic means as above, further illustrates as the connector is provided with pressure
Table.
Gas cylinder fatigue test hydraulic means as above, further illustrates as the oil groove is provided with thermometer.
The beneficial effects of the utility model are：This apparatus structure is simple, with low cost, easy to operate, improves test effect
Rate.Simultaneously control accuracy is high, and the test requirements document of some composite material high pressure gas cylinders can be met to gas cylinder pressurization using aqueous medium.
Improve the production technology of gas cylinder by gas cylinder fatigue test, the combination property of gas cylinder is improved, to gas cylinder industry
Development has highly important effect.By arranging cooling system, can make hydraulic fluid temperature all the time in predetermined range value, it is ensured that
The longtime running of this device, improves the work efficiency of fatigue test.
Description of the drawings
Fig. 1 is this utility model structural representation.
In figure：1st, oil groove；2nd, variable pump；3rd, the first overflow valve；4th, three position four-way directional control valve；5th, the first one-way throttle valve；
6th, the second one-way throttle valve；7th, supercharger；8th, tank；9th, small pump；10th, check valve；11st, the second overflow valve；12nd, manual pressure release
Valve；13rd, connector；14th, tested gas cylinder；15th, pressure gauge；16th, filter；17th, cooling pump；18th, cooler；19th, temperature
Meter.
Specific embodiment
This utility model embodiment is further elaborated below in conjunction with the accompanying drawings.
As shown in figure 1, the gas cylinder fatigue test hydraulic means that this utility model is provided, including test system and cooling
System；The test system is used to carry out tested gas cylinder 14 fatigue test, and the cooling system is used in oil groove 1
Hydraulic oil is lowered the temperature, so as to ensure the longtime running of this device.Test system and cooling system will be done specifically respectively below
Illustrate.
The test system includes that oil groove 1, variable pump 2, the first overflow valve 3, three position four-way directional control valve 4, first are unidirectionally saved
Stream valve 5, the second one-way throttle valve 6, supercharger 7, tank 8, small pump 9, check valve 10, the second overflow valve 11, manual relief valve
12 and connector 13.
Described supercharger 7 is the known technology of those skilled in the art, and simple elaboration, the supercharger 7 are only done here
Including low pressure chamber, rod chamber and high pressure chest, the simple structure of supercharger 7, the similar regulations and parameters principle of its work function, in boosting rank
Section, fluid enters low pressure chamber, and pressure acts on its Radix Angelicae Dahuricae (Radix Heraclei Scabridi) beyond the Great Wall, promotes piston movement, according to mechanical balance, now valve piston
The pressure of an amplification can be moved and export, pressure ratio is two-piston area ratio, and now the medium in high pressure chest will be with
Higher pressure is exported, and its specific internal structure is not illustrated here.
As shown in figure 1, the variable pump 2 is the power source of whole device, hydraulic oil is endlessly provided to the device,
It is set to complete necessary operation, the variable pump 2 can select plunger displacement pump, or two-way variable displacement pump, not limit here.It is described
The oil-in of variable pump 2 is connected with oil groove 1, and the oil-in of the variable pump 2 can also arrange filter 16, by filter 16
Can to filtering into the hydraulic oil in device, so as to protect system in each equipment, extend the use longevity of equipment
Life.
The oil-out of the variable pump 2 is connected all the way with the oil-in of the first overflow valve 3, and another road is commutated with 3-position 4-way
The P mouths connection of valve 4, the oil-out of first overflow valve 3 is connected with oil groove 1, i.e. the effect of its relief valve of the first overflow valve 3,
For the output pressure of control variable pump 2, compression shock is reduced, it is ensured that the normal operation of this device.
The T mouths of the three position four-way directional control valve 4 are connected with oil groove 1, realize the backflow of hydraulic oil, the 3-position 4-way commutation
The A mouths of valve 4 are connected with the oil-in of the first one-way throttle valve 5, the B mouths and the second one-way throttle of the three position four-way directional control valve 4
The oil-in connection of valve 6, the oil-out of first one-way throttle valve 5 is connected with the low pressure chamber of supercharger 7, and described second is unidirectional
The oil-out of choke valve 6 is connected with the rod chamber of supercharger 7.
Because in process of the test, test medium inherently causes certain leakage, so this device is additionally provided with moisturizing
Pump 9, the import of the small pump 9 is connected with tank 8, and the outlet of the small pump 9 connects all the way with the import of the second overflow valve 11
Connect, another road is connected with the import of check valve 10, the outlet of second overflow valve 11 is connected with tank 8, in the same manner described second
Overflow valve 11 also makees relief valve and uses, and its pressure set points is decided in its sole discretion according to test situation.
The outlet of the check valve 10 is connected with the C mouths of the high pressure chest of the supercharger 7, and the connector 13 is provided with connector
Import, connector first outlet and connector second outlet, between the connector import and connector first outlet phase is provided with
Logical communicating passage, the connector second outlet is connected with communicating passage, the D mouths of the high pressure chest of the supercharger 7 be connected
Part import connects, and the connector first outlet is connected with tested gas cylinder 14, and the connector second outlet is manually
Relief valve 12 is connected with tank 8.Test efficiency can be improved by arranging connector 13, be instead of traditional direct by tested height
The situation that air bottle 14 is connected with equipment, makes this equipment safety coefficient higher, protects testing crew personal safety.In order to
The pressure value being easy to during viewing test, is provided with pressure gauge 15 on connector 13.
The cooling system includes cooling pump 17 and cooler 18, and the import of the cooling pump 17 is connected with oil groove 1, described
The outlet of cooling pump 17 is connected with the import of cooler 18, and the outlet of the cooler 18 is connected with oil groove 1, because hydraulic oil exists
In plant running, can generate heat, oil liquid temperature is too high, the stable operation of this device can be affected, so the length in order to ensure this device
Phase is run, and just has to arrange temperature of the cooling system to reduce hydraulic oil, when the oil liquid temperature in oil groove 1 is too high, starts
Cooling pump 17, after making hydraulic oil be cooled down in cooler 18 in oil groove 1 is returned to.Hydraulic pressure in for the ease of observing oil groove 1
The temperature of oil, is provided with thermometer 19 on oil groove 1, such that it is able to pass through the temperature that thermometer 19 is directly observed in oil groove 1.
Utility model works principle is：Process of the test includes action is repeated several times, and increasing is divided into again in each palikinesia
Pressure stage, packing stage and pressure release stage, during on-test, manual relief valve 12 is first shut off, supercharger is made by small pump 9
7 high pressure chest and tested gas cylinder 14 are full of water.Restart variable pump 2, in pressurization stages, make three position four-way directional control valve 4
In left station, the hydraulic oil of the now output of variable pump 2 promotes piston rod to move right in the low pressure chamber of supercharger 7, together
When supercharger 7 rod chamber in hydraulic oil by returning in oil groove 1 after the second one-way throttle valve 6 and three position four-way directional control valve 4,
Due to being provided with check valve 10, now the water in the high pressure chest of supercharger 7 will be entered in tested gas cylinder 14, completed to quilt
The supercharging of gas cylinder 14 is surveyed, when pressure reaches test value, three position four-way directional control valve 4 intermediate stations is located at into, so as to tested
Gas cylinder 14 is in packing state, and after the dwell time reaches, three position four-way directional control valve 4 is in right working position, this variations per hour
The hydraulic oil of the output of pump 2 promotes piston rod to be moved to the left in the rod chamber of supercharger 7, so as to the high pressure chest of supercharger 7 is complete
Into pressure release, tested gas cylinder 14 is made in atmospheric pressure state, if now needing to carry out moisturizing, by the moisturizing of small pump 9,
Make the pressure in process of the test reach virtual value, it is ensured that the accuracy of experiment, so complete to tested gas cylinder 14
Once test, in circulation, in test long process, if the analysis of hydraulic oil overheat in oil groove 1, cooling can be opened
Pump 17, so that oil liquid temperature returns to normal value after hydraulic oil is cooled down in cooler 18, it is ensured that the longtime running of device.
After the completion of test, by opening the pressure release of manual relief valve 12, tested gas cylinder 14, simple operation, simple structure are removed.
This utility model is not limited to examples detailed above, in claims limited range of the present utility model, this
The various modifications or modification that art personnel can make without creative work are protected by this patent.
Claims (4)
1. gas cylinder fatigue test hydraulic means, it is characterised in that：Including test system and cooling system；
The test system includes oil groove (1), variable pump (2), the first overflow valve (3), three position four-way directional control valve (4), the first list
To choke valve (5), the second one-way throttle valve (6), supercharger (7), tank (8), small pump (9), check valve (10), the second overflow
Valve (11), manual relief valve (12) and connector (13), the oil-in of the variable pump (2) is connected with oil groove (1), the variable
The oil-out of pump (2) is connected all the way with the oil-in of the first overflow valve (3), and another road connects with the P mouths of three position four-way directional control valve (4)
Connect, the oil-out of first overflow valve (3) is connected with oil groove (1), T mouths and the oil groove (1) of the three position four-way directional control valve (4)
Connection, the A mouths of the three position four-way directional control valve (4) are connected with the oil-in of the first one-way throttle valve (5), and the 3-position 4-way is changed
Be connected with the oil-in of the second one-way throttle valve (6) to the B mouths of valve (4), the supercharger (7) including low pressure chamber, rod chamber and
High pressure chest, the oil-out of first one-way throttle valve (5) is connected with the low pressure chamber of supercharger (7), second one-way throttle
The oil-out of valve (6) is connected with the rod chamber of supercharger (7), and the import of the small pump (9) is connected with tank (8), the benefit
The outlet of water pump (9) is connected all the way with the import of the second overflow valve (11), and another road is connected with the import of check valve (10), described
The outlet of the second overflow valve (11) is connected with tank (8), outlet and the supercharger (7) high pressure chest of the check valve (10)
C mouths connect, and the connector (13) is provided with connector import, connector first outlet and connector second outlet, the connection
The communicating passage for communicating is provided between part import and connector first outlet, the connector second outlet is connected with communicating passage
Logical, the D mouths of supercharger (7) high pressure chest are connected with connector import, the connector first outlet and tested gas cylinder
(14) connect, manually relief valve (12) is connected the connector second outlet with tank (8)；
The cooling system includes cooling pump (17) and cooler (18), and the import of the cooling pump (17) is connected with oil groove (1),
The outlet of the cooling pump (17) is connected with the import of cooler (18), and the outlet of the cooler (18) is connected with oil groove (1).
2. gas cylinder fatigue test hydraulic means according to claim 1, it is characterised in that：The variable pump (2)
Oil-in is provided with filter (16).
3. gas cylinder fatigue test hydraulic means according to claim 1, it is characterised in that：On the connector (13)
It is provided with pressure gauge (15).
4. gas cylinder fatigue test hydraulic means according to claim 1, it is characterised in that：Set on the oil groove (1)
There is thermometer (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088002.1U CN206129740U (en) | 2016-09-29 | 2016-09-29 | Gas cylinder fatigue test hydraulic means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088002.1U CN206129740U (en) | 2016-09-29 | 2016-09-29 | Gas cylinder fatigue test hydraulic means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129740U true CN206129740U (en) | 2017-04-26 |
Family
ID=58572453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621088002.1U Expired - Fee Related CN206129740U (en) | 2016-09-29 | 2016-09-29 | Gas cylinder fatigue test hydraulic means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129740U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575428A (en) * | 2017-09-05 | 2018-01-12 | 宁波铝台精机有限公司 | One kind is without impingement electricity hydraulic control one-way valve |
| CN108644159A (en) * | 2018-05-31 | 2018-10-12 | 江苏科技大学 | A kind of energy-collecting type deep-sea hydraulic source system |
-
2016
- 2016-09-29 CN CN201621088002.1U patent/CN206129740U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575428A (en) * | 2017-09-05 | 2018-01-12 | 宁波铝台精机有限公司 | One kind is without impingement electricity hydraulic control one-way valve |
| CN107575428B (en) * | 2017-09-05 | 2023-08-11 | 宁波铝台精机有限公司 | Impact-free electro-hydraulic control one-way valve |
| CN108644159A (en) * | 2018-05-31 | 2018-10-12 | 江苏科技大学 | A kind of energy-collecting type deep-sea hydraulic source system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20170929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |