CN109297637A - Water pressure test machine water injection system - Google Patents
Water pressure test machine water injection system Download PDFInfo
- Publication number
- CN109297637A CN109297637A CN201811296059.4A CN201811296059A CN109297637A CN 109297637 A CN109297637 A CN 109297637A CN 201811296059 A CN201811296059 A CN 201811296059A CN 109297637 A CN109297637 A CN 109297637A
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- water
- pressure
- gas cylinder
- cylinder
- water inlet
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3281—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell
- G01M3/329—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell for verifying the internal pressure of closed containers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/36—Investigating fluid-tightness of structures by using fluid or vacuum by detecting change in dimensions of the structure being tested
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of hydrostatic testing machines, disclose a kind of water pressure test machine water injection system, it includes multiple gas cylinders (4), it further include the water inlet manifold (101) being connected to each gas cylinder (4), low pressure water inlet pipe (102) and high-pressure intake pipe (103), the first check valve (105) that low pressure water inlet pipe (102) is equipped with the first solenoid valve (104) and is connected from the first solenoid valve (104) to water inlet manifold (101) direction are connected separately on water inlet manifold (101)；High-pressure intake pipe (103) is equipped with pressurized cylinder (106), second solenoid valve (107) and the second one-way valve (108) be connected from second solenoid valve (107) to water inlet manifold (101) direction.The present invention can efficiently, fast, accurately check whether steel cylinder has macroscopic deformation and leakage, and whether corresponding pressure gauge occurs pressure and return drop phenomenon, have accuracy high, human factor influences small feature.
Description
Technical field
The present invention relates to a hydrostatic testing machines, more particularly to a kind of water pressure test machine water injection system.
Background technique
Gas cylinder by hydrostatic pressure test is the most direct and effective means for detecting gas cylinder performance, can effectively check whether steel cylinder has
Whether macroscopic deformation and leakage, corresponding pressure gauge occur pressure and return drop phenomenon.
Test principle is to incrementally increase the water pressure test pressure for being reached gas cylinder by the pressure in trial jar using water as pressure medium
Power verifies the safe bearing capacity of gas cylinder.The injecting process of existing most of hydrostatic testing machines is cumbersome, it is inefficient, make
Industry standard does not have uniformity and normalization, and measurement accuracy fluctuation is big.
Summary of the invention
The present invention is provided for the existing unreasonable problem of operation of existing water pressure test machine water injection system in the prior art
A kind of water pressure test machine water injection system.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals:
Water pressure test machine water injection system, including multiple gas cylinders further include the water inlet manifold being connected to each gas cylinder, water inlet
It is connected separately with low pressure water inlet pipe and high-pressure intake pipe on general pipeline, low pressure water inlet pipe is equipped with the first solenoid valve and from the first electromagnetism
The first check valve that valve is connected to water inlet manifold direction；High-pressure intake pipe is electric equipped with pressurized cylinder, second solenoid valve and from second
The second one-way valve that magnet valve is connected to water inlet manifold direction.
Preferably, being connected with third solenoid valve on pressurized cylinder, third solenoid valve connects with pressurized cylinder inner piston two sides respectively
It is logical.Pressurized cylinder is controlled by the on-off of third solenoid valve, to realize pressurization of the pressurized cylinder to gas water in bottle is entered.
Preferably, being additionally provided with water tank on high-pressure intake pipe, pressurized cylinder is set between water tank and second solenoid valve, water tank
Third check valve is additionally provided between pressurized cylinder.
Preferably, being equipped with check-valves with gas cylinder inlet connection on water inlet manifold.
Preferably, gas cylinder inlet is additionally provided with pressure sensor.
Preferably, further including the pressure detecting exhaust pipe being connected to gas cylinder inlet, pressure detecting exhaust pipe is equipped with
Spring check valve.
Preferably, further include setting and gas cylinder end and the irrigation sleeve that is connected to gas cylinder internal, water inlet manifold and gas cylinder
Between connected by irrigation sleeve, irrigation sleeve is equipped with the water filling port that connect with water inlet manifold and connect with pressure detecting exhaust pipe
Pressure detecting exhaust outlet.
Preferably, the O-ring seals that sealing is formed with gas cylinder outer end face are equipped on irrigation sleeve close to the end face of gas cylinder,
Water when low pressure water injection can be effectively prevent to overflow situation by the effect of O-ring seals.
The present invention is due to using above technical scheme, with significant technical effect:
The water pressure test machine water injection system that the present invention designs can fill the water multiple gas cylinders, pass through the flood pattern energy
Enough efficiently, fast, accurately to check whether steel cylinder has macroscopic deformation and leakage, whether corresponding pressure gauge occurs pressure and returns drop
Phenomenon has accuracy high, and human factor influences small feature, can be used as and judge gas cylinder safely reliably effective foundation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of hydrostatic testing machine in the embodiment of the present invention 2.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the side view of Fig. 2.
Fig. 5 is the cross-sectional view in the face C-C in Fig. 3.
Fig. 6 is the cross-sectional view in the face D-D in Fig. 3.
Fig. 7 is the face B-B cross-sectional view in Fig. 4.
Fig. 8 is the partial enlarged view of right part in Fig. 6.
The toponym that each number designation is referred in attached drawing is as follows: 1-base, 2-hold out against cylinder, 3-compressed oil cylinders,
4-gas cylinders, 5-supporting rollerns, 6-raising boards, 7-elevating rams, 8-weighing sensors, 9-V-blocks, 10-cylinders are solid
Reservation, 11-trundles, 12-driving grooves, 13-positioning bowls, 14-knock pins, 15-oil cylinder fixing bases, 16-drive sleeves,
17-drive blocks, 18-connecting columns, 19-connection through-holes, 20-sleeves, 21-internal expansion type collets, 22-irrigation sleeves,
23-water filling ports, 24-pressure detecting exhaust outlets, 25-compressed springs, 26-U-shaped limiting slots, 27-O-ring seals, 101-
Water inlet manifold, 102-low pressure water inlet pipes, 103-high-pressure intake pipes, the 104-the first solenoid valve, the 105-the first check valve,
106-pressurized cylinders, 107-second solenoid valves, 108-second one-way valves, 109-third solenoid valves, 110-water tanks, 111-the
Three check valves, 112-check-valves, 113-check-valves, 114-check-valves, 115-check-valves.
Specific embodiment
Present invention is further described in detail with embodiment with reference to the accompanying drawing.
Embodiment 1
Water pressure test machine water injection system, including multiple gas cylinders 4 include 12 gas cylinders 4 in the present embodiment, can be to 12 gas
Bottle 4 carries out the water pressure test, further includes the water inlet manifold 101 being connected to each gas cylinder 4, is connected separately on water inlet manifold 101
Low pressure water inlet pipe 102 and high-pressure intake pipe 103, low pressure water inlet pipe 102 are equipped with the first solenoid valve 104 and from the first solenoid valves
104 the first check valves 105 be connected to 101 direction of water inlet manifold；High-pressure intake pipe 103 is equipped with pressurized cylinder 106, the second electromagnetism
Valve 107 and the second one-way valve 108 be connected from second solenoid valve 107 to 101 direction of water inlet manifold are connected on pressurized cylinder 106
Third solenoid valve 109, third solenoid valve 109 are connected to 106 inner piston two sides of pressurized cylinder respectively.
Water tank 110 is additionally provided on the present embodiment mesohigh water inlet pipe 103, pressurized cylinder 106 is set to water tank 110 and second
Between solenoid valve 107, it is additionally provided with third check valve 111 between water tank 110 and pressurized cylinder 106, is pressurized, is obtained by pressurized cylinder 106
To high pressure water, makes it into gas cylinder 4 and detection effect is carried out to gas cylinder 4.It is all provided on water inlet manifold 101 with 4 inlet connection of gas cylinder
There is check-valves 112, water pressure in gas cylinder 4 in gas cylinder 4 can be effectively prevent to flow back under, fully ensuring that can in gas cylinder 4
Water is filled, guarantees smooth, the accurate progress of subsequent detection.
4 inlet of gas cylinder is additionally provided with pressure sensor 113, further includes the pressure detecting exhaust being connected to 4 inlet of gas cylinder
Pipe 114, pressure detecting exhaust pipe 114 is equipped with spring check valve 115, in the mutual balanced action of spring and manifold pressure
Down so that the spring check valve 115 is in closed state, when manifold pressure reduces, recoil of spring, so that the pressure is examined
It surveys exhaust pipe 114 to open, then may be implemented to the pressure detecting at this.
Further include setting in the present embodiment with 4 end of gas cylinder and with the irrigation sleeve that is connected to inside gas cylinder 4, water inlet manifold 101
It is connect between gas cylinder 4 by irrigation sleeve, irrigation sleeve is equipped with the water filling port connecting with water inlet manifold 101 and arranges with pressure detecting
The pressure detecting exhaust outlet that tracheae 114 connects.It is close equipped with being formed with 4 outer end face of gas cylinder close to the end face of gas cylinder 4 on irrigation sleeve
The O-ring seals of envelope, water is not spilt over when realizing low pressure water injection.
Embodiment 2
The flood pattern in embodiment 1 is specifically applied in a kind of hydrostatic testing machine in the present embodiment, wherein hydraulic pressure tries
The specific structure of machine is tested as shown in Fig. 2-Fig. 8, including base 1, is respectively fixed on base 1 along the two sides of 1 length direction of base
Positioned opposite holds out against cylinder 2 and compressed oil cylinder 3, and gas cylinder 4, which is fixed in, to be held out against between cylinder 2 and compressed oil cylinder 3, holds out against cylinder
2 and compressed oil cylinder 3 be it is multiple and along 1 equal spacing in length direction of base arrange, base 1 be equipped with to 4 both ends of gas cylinder support
Supporting rollern 5 and the raising board 6 of gas cylinder 4 can be held up, piston is fixed on base 1 and is connect with raising board 6 and longitudinal cloth
The elevating ram 7 set, raising board 6 are equipped with the weighing sensor 8 weighed to gas cylinder 4, are formed in the present embodiment using 4
The weighing sensor 8 of bridge circuit.
The V-block 9 matched with 4 outer contour shape of gas cylinder is fixed on raising board 6, raising board 6 is along 1 length direction of base
Arrange and be set to the middle part of gas cylinder 4, elevating ram 7 by raising board 6 and V-block 9 can be smooth, stable lift it is multiple
Gas cylinder 4, so that whole operation efficiency greatly improves, weighing sensor 8 is set between V-block 9 and raising board 6, when gas cylinder 4
Available weighing sensor 8 weighs to gas cylinder 4 when being detached from supporting rollern 5, output numerical value.
It is fixed with cylinder fixed seat 10 on base 1, holds out against cylinder 2 and is fixed in cylinder fixed seat 10, cylinder piston passes through
Cylinder fixed seat 10 and cylinder piston end are connected with the trundle 11 that can be resisted against 4 end of gas cylinder, in cylinder fixed seat 10
Equipped with the driving groove 12 protruded into for trundle 11.It further include the positioning bowl 13 to the positioning of 4 end of gas cylinder, 11 end of trundle passes through
Position 13 middle part of bowl, positioning bowl 13, trundle 11 and cylinder piston coaxial arrangement.It further include being set to cylinder fixed seat 10
Interior knock pin 14,14 one end of knock pin are equipped with spring and are set in cylinder fixed seat 10, and the other end passes through positioning 13 bottom of bowl
Face is protruded into positioning bowl 13.
Oil cylinder fixing base 15 is fixed on base 1, compressed oil cylinder 3 is fixed on oil cylinder fixing base 15, the work of compressed oil cylinder 3
Stopper rod end is connected with drive sleeve 16, and it further includes the connecting column connecting with 4 end of gas cylinder that 16 end of drive sleeve, which is equipped with drive block 17,
18, one end of connecting column 18 is equipped with upper and lower opening and cross section connection through-hole 19 in the shape of a " convex ", and drive block 17 is logical from connecting
It is caught in connection through-hole 19 and can be slided up and down in connection through-hole 19 at the upper end in hole 19 or lower ending opening, so as to side
Just the disengaging and connection between drive sleeve 16 and connecting column 18.
The other end of connecting column 18 is equipped with sleeve 20, is equipped with the internal expansion type spring that can extend into inside gas cylinder 4 in sleeve 20
Collet 21.
Further include setting with 4 end of gas cylinder and with the irrigation sleeve 22 that is connected to inside gas cylinder 4, irrigation sleeve 22 is equipped with water filling port
23 and pressure detecting exhaust outlet 24, the O that sealing is formed with 4 outer end face of gas cylinder is equipped with close to the end face of gas cylinder 4 on irrigation sleeve 22
Shape sealing ring 27, water is not spilt over when realizing low pressure water injection, and compressed spring 25, the both ends point of compressed spring 25 are arranged with outside sleeve 20
It is not resisted against on connecting column 18 and irrigation sleeve 22.
Oil cylinder fixing base 15 is equipped with the U-shaped limiting slot 26 of opening upwards, and connecting column 18 can be caught in U-shaped limiting slot 26
It is interior, connecting column 18 can be limited by U-shaped limiting slot 26, and then it is specified on base 1 to guarantee that gas cylinder 4 can be fallen into
Station, guarantee hold out against cylinder 2 and smooth clamping of the compressed oil cylinder 3 to gas cylinder 4.
The course of work of entire hydrostatic testing machine is as follows in the present embodiment:
Step 1: tested 12 gas cylinders 4 are removed trial zone by loop wheel machine；By loop wheel machine by 12 gas cylinders 4 to be tested
It is sent on the supporting rollern 5 of test station；
Gas cylinder 4 is set to be detached from 5 component of supporting rollern, the V-block of each station Step 2: elevating ram 7 lifts raising board 6
4 weighing sensors 8 are installed between 9 and raising board 6；Just it can be used weighing sensor 8 to gas cylinder 4 when gas cylinder 4 is detached from roll wheel assembly
It weighs, output numerical value W0, W0 are 4 weight of gas cylinder；
Gas cylinder 4 is fallen on 5 groups of supporting rollern Step 3: elevating ram 7 is fallen；
Step 4: being pushed into the region of irrigation sleeve 22 by holding out against cylinder 2 for gas cylinder 4；
Internal expansion type collet 21 is protruded into gas cylinder 4 and in gas cylinder 4 Step 5: the cylinder piston for holding out against cylinder 2 is mobile
Interior spreading, holds out against the retraction of cylinder 2, and compressed spring 25 ejects so that internal expanding collet clasps 4 inner face of gas cylinder；
Step 6: 22 front end O-ring seal of irrigation sleeve is made to be close to 4 outer end face of gas cylinder, water is not spilt over when realizing low pressure water injection；
Low pressure water injection is carried out to gas cylinder 4 Step 7: opening water injecting electromagnetic valve, delay TS ensures that gas cylinder 4 fills water, extra
Water is discharged from discharge outlet；
Gas cylinder 4 is set to be detached from supporting rollern 5 Step 8: elevating ram 7 lifts raising board 6, being detached from supporting rollern 5 can
It is weighed with weighing sensor 8 to it, output numerical value W1 calculates V=W1-W0, exports volume V；
Gas cylinder 4 is fallen on supporting rollern 5 Step 9: elevating ram 7 is fallen；
Step 10: compressed oil cylinder 3 pushes the mobile left side for making gas cylinder 4 of gas cylinder 4 to be close to positioning 13 end face of bowl；
Step 11: the cylinder piston motion of compressed oil cylinder 3, protrudes into internal expansion type collet 21 in sleeve 20, compression
Internal expansion type collet 21, so that internal expansion type collet 21 retracts；
Step 12: scupper valve is closed, high pressure water injection valve opening infuses 35MPa high pressure water to it, reached to its pressure
To 35MPa, Water filling valve is cut off；Read the pressure P0 of each station at this time；Pressure maintaining 1min reads the pressure of each station at this time
P1；Calculate each station Pi=P0-P1；If the Pi of some station is more than that threshold value reads the gas cylinder 4 of the station as unqualified gas cylinder
4；
Step 13: compressed oil cylinder 3 is retracted, it is that gas cylinder 4 recalls that gas cylinder 4, which is ejected positioning 13 front end face of bowl, by knock pin 14
It prepares trial zone.
The present embodiment by above-mentioned test method can efficiently, fast, accurately check steel cylinder whether have macroscopic deformation and
Whether leakage, corresponding pressure gauge occur pressure and return drop phenomenon, have accuracy high, and human factor influences small feature, can
As judging the safe and reliable effective foundation of gas cylinder 4.
In short, the foregoing is merely presently preferred embodiments of the present invention, it is all according to equalization made by scope of the present invention patent
Variation and modification, shall all be covered by the patent of the invention.
Claims (7)
1. water pressure test machine water injection system, including multiple gas cylinders (4), it is characterised in that: further include being connected to each gas cylinder (4)
Water inlet manifold (101), be connected separately with low pressure water inlet pipe (102) and high-pressure intake pipe (103) on water inlet manifold (101), it is low
Water pipe (102) are pressed into be connected equipped with the first solenoid valve (104) and from the first solenoid valve (104) to water inlet manifold (101) direction
The first check valve (105)；High-pressure intake pipe (103) be equipped with pressurized cylinder (106), second solenoid valve (107) and from second electricity
The second one-way valve (108) that magnet valve (107) is connected to water inlet manifold (101) direction, pressurized cylinder are connected with third electromagnetism on (106)
Valve (109), third solenoid valve (109) are connected to pressurized cylinder (106) inner piston two sides respectively.
2. water pressure test machine water injection system according to claim 1, it is characterised in that: high-pressure intake pipe is also set on (103)
Have water tank (110), pressurized cylinder (106) is set between water tank (110) and second solenoid valve (107), water tank (110) and pressurized cylinder
(106) third check valve (111) are additionally provided between.
3. water pressure test machine water injection system according to claim 1, it is characterised in that: on water inlet manifold (101) and gas cylinder
(4) inlet connection is equipped with check-valves (112).
4. water pressure test machine water injection system according to claim 1, it is characterised in that: gas cylinder (4) inlet is additionally provided with pressure
Force snesor (113).
5. water pressure test machine water injection system according to claim 1, it is characterised in that: further include and gas cylinder (4) inlet
The pressure detecting exhaust pipe (114) of connection, pressure detecting exhaust pipe (114) are equipped with spring check valve (115).
6. water pressure test machine water injection system according to claim 5, it is characterised in that: further include that setting is held with gas cylinder (4)
Portion and the irrigation sleeve (22) being connected to gas cylinder (4) inside, are connect by irrigation sleeve between water inlet manifold (101) and gas cylinder (4), are infused
Water jacket (22) is equipped with the water filling port (23) connecting with water inlet manifold (101) and the pressure connecting with pressure detecting exhaust pipe (114)
Power detects exhaust outlet (24).
7. water pressure test machine water injection system according to claim 6, it is characterised in that: close to gas cylinder on irrigation sleeve (22)
(4) end face is equipped with the O-ring seals (27) that sealing is formed with gas cylinder (4) outer end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811296059.4A CN109297637A (en) | 2018-11-01 | 2018-11-01 | Water pressure test machine water injection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811296059.4A CN109297637A (en) | 2018-11-01 | 2018-11-01 | Water pressure test machine water injection system |
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| Publication Number | Publication Date |
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| CN109297637A true CN109297637A (en) | 2019-02-01 |
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ID=65146398
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811296059.4A Pending CN109297637A (en) | 2018-11-01 | 2018-11-01 | Water pressure test machine water injection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849707A (en) * | 2019-11-29 | 2020-02-28 | 山东永安特种装备有限公司 | Check valve for testing water pressure of gas cylinder and use method of check valve |
| CN111272360A (en) * | 2020-03-31 | 2020-06-12 | 广船国际有限公司 | Air pipe air tightness inspection device for defense area and using method |
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| CN102418839A (en) * | 2010-09-28 | 2012-04-18 | 安东石油技术（集团）有限公司 | Sealing detection device for threads of pipe fitting in pipeline |
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| CN111272360A (en) * | 2020-03-31 | 2020-06-12 | 广船国际有限公司 | Air pipe air tightness inspection device for defense area and using method |
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