CN206129741U - Gas cylinder fatigue test hydraulic system - Google Patents
Gas cylinder fatigue test hydraulic system Download PDFInfo
- Publication number
- CN206129741U CN206129741U CN201621088453.5U CN201621088453U CN206129741U CN 206129741 U CN206129741 U CN 206129741U CN 201621088453 U CN201621088453 U CN 201621088453U CN 206129741 U CN206129741 U CN 206129741U
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- valve
- oil
- connector
- gas cylinder
- outlet
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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 system, including 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, connecting piece, heat exchanger and manual regulation valve, 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. Can can control oil temperature through heat exchanger to the long -time running of this system of assurance has improved test 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 system.
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.
Utility model content
The purpose of this utility model is that to provide a kind of simple structure, gas cylinder that is easy to operate, can controlling oil temperature tired
Labor tests hydraulic system.
In order to achieve the above object, the technical solution adopted in the utility model is：Gas cylinder fatigue test hydraulic system,
Including oil groove, variable pump, the first overflow valve, three position four-way directional control valve, the first one-way throttle valve, the second one-way throttle valve, supercharging
Device, tank, small pump, check valve, the second overflow valve, manual relief valve, connector, heat exchanger and manual modulation valve, it is described
The oil-in of variable pump is connected with oil groove, and the oil-out of the variable pump is connected with the oil-in of the first overflow valve all the way, another
Road is connected with the P mouths of three position four-way directional control valve, and the oil-out of first overflow valve is connected with oil groove, the 3-position 4-way commutation
The T mouths of valve are connected with the oil-in of heat exchanger, and the oil-out of the heat exchanger is connected with oil groove, the 3-position 4-way commutation
The A mouths of valve are connected with the oil-in of the first one-way throttle valve, the B mouths and the second one-way throttle valve of the three position four-way directional control valve
Oil-in connects, and the supercharger includes low pressure chamber, rod chamber and high pressure chest, oil-out and the increasing of first one-way throttle valve
The low pressure chamber connection of depressor, the oil-out of the second one-way throttle valve are connected with the rod chamber of supercharger, the small pump
Import is connected with tank, the import for exporting respectively with the second overflow valve, the import of check valve and the regulation manually of the small pump
One end connection of valve, the other end of the manual modulation valve are connected with the water inlet of heat exchanger, the water outlet of the heat exchanger
Mouthful it is connected with tank, the outlet of second overflow valve is connected with tank, the outlet of the check valve and the supercharger high pressure
The C mouths connection in chamber, the connector are 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 the supercharger high pressure chest are connected with connector import, and the connector first outlet is connected with tested gas cylinder
Connect, manually relief valve is connected the connector second outlet with tank.
Gas cylinder fatigue test hydraulic system as above, further illustrates as the oil-in of the variable pump sets
There is filter.
Gas cylinder fatigue test hydraulic system as above, further illustrates as the connector is provided with pressure
Table.
Gas cylinder fatigue test hydraulic system as above, further illustrates to be provided with electrical heating in the oil groove
Device.
The beneficial effects of the utility model are：This apparatus structure is simple, with low cost, easy to operate, improves test effect
Rate.Control accuracy is high simultaneously, and the test requirements document of some composite material high pressure gas cylinders can be met to gas cylinder pressurization using aqueous medium.
Oil liquid temperature can be controlled by heat exchanger, so as to ensure the system longtime running, improve test efficiency.
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, heat exchanger；18th, manual modulation valve；
19th, electric heater.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model embodiment is further elaborated.
As shown in figure 1, this utility model provide gas cylinder fatigue test hydraulic system, including oil groove 1, variable pump 2,
First overflow valve 3, three position four-way directional control valve 4, the first one-way throttle valve 5, the second one-way throttle valve 6, supercharger 7, tank 8, benefit
Water pump 9, check valve 10, the second overflow valve 11, manual relief valve 12, connector 13, heat exchanger 17 and manual modulation valve 18.
Known technology of the described supercharger 7 for those skilled in the art, only does simple elaboration, the supercharger 7 here
Including low pressure chamber, rod chamber and high pressure chest, 7 simple structure of supercharger, 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.
The variable pump 2 is the power source of whole device, endlessly provides hydraulic oil to the device so as to which completing must
The action wanted, the variable pump 2 can select plunger displacement pump, or two-way variable displacement pump, not limit here.The variable pump 2
Oil-in is connected with oil groove 1, and the oil-in of the variable pump 2 can also arrange filter 16, can be to entering by filter 16
The hydraulic oil entered in device is filtered, and so as to protect each equipment in system, extends the service life of equipment.
The oil-out of the variable pump 2 is connected with the oil-in of the first overflow valve 3 all the way, 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 are connected with oil groove 1, i.e., the first overflow valve 3 plays relief valve,
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 the oil-in of heat exchanger 17, the heat exchanger 17 it is fuel-displaced
Mouthful be connected with oil groove 1, i.e. the oil return of system passes through after heat exchanger 17 in oil groove 1 is flow back into, such that it is able to by control into
Enter the flow of cooling water in heat exchanger 17 to adjust the oil temperature in oil groove 1, easy to control, structure simplifies, will hereafter do concrete
Illustrate.
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
It is connected to the B mouths of valve 4 with the oil-in of the second one-way throttle valve 6, oil-out and the supercharger 7 of first one-way throttle valve 5
Low pressure chamber connection, the oil-out of second one-way throttle valve 6 is connected with the rod chamber of supercharger 7.
As, 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 are connected with tank 8, the import for exporting respectively with the second overflow valve 11 of the small pump 9, list
To the import and one end connection of manual modulation valve 18, the other end of the manual modulation valve 18 and entering for heat exchanger 17 of valve 10
The mouth of a river connects, and the outlet of the heat exchanger 17 is connected with tank 8, i.e., is used as in heat exchanger 17 with the water in tank 8
Cooling water, it is to avoid water resource is wasted, while simplify overall system architecture.
The outlet of second overflow valve 11 is connected with tank 8, and second overflow valve 11 also does relief valve use in the same manner,
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 7 high pressure chest of the supercharger
Connect, the connector 13 is provided with connector import, connector first outlet and connector second outlet, the connector import and
The communicating passage for communicating is provided between connector first outlet, the connector second outlet is connected with communicating passage, described
The D mouths of 7 high pressure chest of supercharger are connected with connector import, and the connector first outlet is connected with tested gas cylinder 14, institute
Manually relief valve 12 is connected with tank 8 to state connector second outlet.Test efficiency can be improved by arranging connector 13,
Traditional direct situation that tested gas cylinder 14 is connected with equipment is instead of, makes this equipment safety coefficient higher, protected
Testing crew personal safety.For the ease of the pressure value during viewing test, pressure gauge 15 is provided with connector 13.
As the oil liquid temperature in oil groove 1 when ambient temperature is too low, can be caused too low, fluid viscosity is increased, from
And the fatigue test of gas cylinder can be affected.So electric heater 19 is provided with the oil groove 1, it is extensive so as to ensure low temperature fluid
It is multiple normal.
Utility model works principle is：Fatigue test process includes action is repeated several times, and divides in each palikinesia again
For pressurization stages, packing stage and pressure release stage, during on-test, manual relief valve 12 is first shut off, increasing is made by small pump 9
The high pressure chest of depressor 7 and tested gas cylinder 14 are full of water.Restart variable pump 2, in pressurization stages, make 3-position 4-way commutate
Valve 4 is in left station, and 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,
Hydraulic oil in the rod chamber of supercharger 7 passes through the second one-way throttle valve 6, three position four-way directional control valve 4 and heat exchanger 17 simultaneously
After return in oil groove 1, due to being provided with check valve 10, now the water in the high pressure chest of supercharger 7 will enter tested high pressure gas
In bottle 14, the supercharging to tested gas cylinder 14 is completed, when pressure reaches test value, during three position four-way directional control valve 4 is located at
Between station, so as to tested gas cylinder 14 be in packing state, when the dwell time reach after, three position four-way directional control valve 4 is in
Right working position, the hydraulic oil of the now output of variable pump 2 promote piston rod to be moved to the left in the rod chamber of supercharger 7, so as to increase
The high pressure chest of depressor 7 completes pressure release, makes tested gas cylinder 14 in atmospheric pressure state, if now needing to carry out moisturizing, passes through
9 moisturizing of small pump, makes the pressure in process of the test reach virtual value, it is ensured that the accuracy of experiment, it is right so to complete
The once test of tested gas cylinder 14, in circulation, in process of the test, if it find that high oil temperature, can open manually
Regulating valve 18, adjusts its aperture, so that oil liquid temperature is reduced, in the same manner if it find that oil temperature is too low, opening electric heater 19 is
Can.After the completion of test, by opening manual 12 pressure release of relief valve, tested gas cylinder 14, simple operation, structure are removed
Simply.
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 be made without creative work are protected by this patent.
Claims (4)
1. gas cylinder fatigue test hydraulic system, it is characterised in that：Including oil groove (1), variable pump (2), the first overflow valve
(3), three position four-way directional control valve (4), the first one-way throttle 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), connector (13), heat exchanger (17) and
Manual modulation valve (18), the oil-in of the variable pump (2) are connected with oil groove (1), the oil-out of the variable pump (2) all the way with
The oil-in connection of the first overflow valve (3), another road are connected with the P mouths of three position four-way directional control valve (4), first overflow valve
(3) oil-out is connected with oil groove (1), and the T mouths of the three position four-way directional control valve (4) are connected with the oil-in of heat exchanger (17)
Connect, the oil-out of the heat exchanger (17) is connected with oil groove (1), the A mouths of the three position four-way directional control valve (4) are unidirectional with first
The oil-in connection of choke valve (5), the oil-in of the B mouths and the second one-way throttle valve (6) of the three position four-way directional control valve (4) connect
Connect, the supercharger (7) includes low pressure chamber, rod chamber and high pressure chest, oil-out and the supercharging of first one-way throttle valve (5)
The low pressure chamber connection of device (7), the oil-out of second one-way throttle valve (6) are connected with the rod chamber of supercharger (7), the benefit
The import of water pump (9) is connected with tank (8), the outlet of the small pump (9) import respectively with the second overflow valve (11), unidirectional
The import of valve (10) and one end connection of manual modulation valve (18), the other end and heat exchanger of the manual modulation valve (18)
(17) water inlet connection, the outlet of the heat exchanger (17) is connected with tank (8), and the second overflow valve (11) go out
Mouth is connected with tank (8), and the outlet of the check valve (10) is connected with the C mouths of the supercharger (7) high pressure chest, the connector
(13) connector import, connector first outlet and connector second outlet, the connector import and connector first are provided with
The communicating passage for communicating is provided between outlet, the connector second outlet is connected with communicating passage, the supercharger (7) is high
The D mouths in pressure chamber are connected with connector import, and the connector first outlet is connected with tested gas cylinder (14), the connector
Manually relief valve (12) is connected second outlet with tank (8).
2. gas cylinder fatigue test hydraulic system 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 system 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 system according to claim 1, it is characterised in that：Set in the oil groove (1)
There is electric heater (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088453.5U CN206129741U (en) | 2016-09-29 | 2016-09-29 | Gas cylinder fatigue test hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088453.5U CN206129741U (en) | 2016-09-29 | 2016-09-29 | Gas cylinder fatigue test hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129741U true CN206129741U (en) | 2017-04-26 |
Family
ID=58571047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621088453.5U Expired - Fee Related CN206129741U (en) | 2016-09-29 | 2016-09-29 | Gas cylinder fatigue test hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246422A (en) * | 2017-05-24 | 2017-10-13 | 晋中浩普液压设备有限公司 | A kind of reciprocating-type supercharger reversing arrangement and its application |
-
2016
- 2016-09-29 CN CN201621088453.5U patent/CN206129741U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246422A (en) * | 2017-05-24 | 2017-10-13 | 晋中浩普液压设备有限公司 | A kind of reciprocating-type supercharger reversing arrangement and its application |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20170929 |