GB/T 13342-1992 General technical requirements for marine reciprocating hydraulic cylinders
Some standard content:
UIDC 62-522.2 : 629. 12
National Standard of the People's Republic of China
GB/T 13342 --92
General specification of reciprocating bydraulic cylinder for ship
199112-13 Issued
1992-10-01 Implementation
Issued by State Administration of Technical Supervision
National Standard of the People's Republic of China
General specification of reciprocating bydraulic cylinder for ship General specification of reciprocating bydraulic cylinder for ship
1 Subject content and scope of application
This standard specifies the technical requirements, test methods, inspection rules, marking and packaging of reciprocating bydraulic cylinders. GB/T 13342—92
This standard is applicable to reciprocating hydraulic cylinders (hereinafter referred to as hydraulic cylinders) using mineral-based reciprocating oil as the medium. Other types of marine standard hydraulic cylinders can also be used for reference.
2 Reference standards
CB*3004-85 Marine standard full-pressure cylinder H standard CH3005—85 Marine standard hydraulic cylinder basic parameters CE: S006—85 Marine double-acting single-acting hydraulic cylinder basic parameters CB-3317—87 Marine standard pressure-reducing cylinder installation type and connection size CB*3318—8? Double acting cylinder installation type and connection core of ship - CH1146.2-85 ship schedule angle test force method test A: low temperature C1146, -35 ultraviolet equipment environmental test method test Fc: dynamic 3 technical requirements
3.1 ship environmental conditions
wave pressure can work normally in the following environment 3.1.1 environmental temperature is 25~455℃. The working medium temperature is 15~1065℃
3.1.2 relative humidity of air is 95%, no dew. 3.1.3 no plate, oil and cold bacteria.
3.1:4 restore the pitch angle according to Table 1.
Yanke Zhifu
22.5
pitch .5*
3.7.5 no motion according to Table 2.
National Technical Supervision Week 1991-12-13 Approval Period
1992-10-01 Implementation
3. 2 Consideration of water
Things you, Hx
>13. 2~-gn
GR/T 13342
3.2.1 The leakage of the micro-pressure positive pressure shall not exceed that in Table 3. The leakage of external objects in Table
shall be avoided as follows:
All seals and dynamic seals shall be stopped and there shall be no seepage: 1. After the dynamic seal of the movable support (column case) is changed 20,000 times, the external leakage shall not be full; single width-m2)
The internal leakage volume unL/u.in
When the displacement is 1mm after 10,000 times: for the movable cover with a diameter of 5mm, the external guarantee volume shall not exceed 0.05ml/m; for the movable cover with a diameter of 50mn, the external guarantee volume shall not exceed 0.001d (nl./min) 3.2.3 The minimum starting pressure of the filter cylinder shall meet the carbon requirements. Table 4
Piston seal type VI
Nominal pressure & 18
: When the seal is sealed! Austrian seal type, Zhongbo can be used for 5 valves, nominal force PN>15
3.2.4 When the inner diameter of the liquid service certificate is 200mm, the minimum pressure setting is 8mm/a, when the inner run is >200m, the minimum idle speed of the cylinder is 10mm/a, and the load efficiency of the 3-2.5 wave pressure cylinder is not less than %. 3.2.6 When the oil inlet temperature is 7: the liquid cylinder can act normally within 1h. 3.2.7 After assembly, the positive allowance is 1.5 or the nominal positive limit, and the leakage phenomenon should be guaranteed for 5mia. 3.2-8 The effective stopping factor is that the moving parts shall be in violation of the full load for 200,000 times and the variation rate shall be approximately 10km. The leakage shall comply with the specification of 3.2.2 and the internal load shall not exceed 120 tons of the cost value.
3.3 Structural and strength requirements
3.3.: The installation length of the liquid cylinder shall be adjustable, and the adjustment amount is generally 1 to 20mm. 3.3.2 The space between the components should be guaranteed to work well within the specified temperature range: 3.3.3 The piston rod of the hydraulic cylinder should have protective measures or add a telescopic protective device with waterproof and dustproof performance according to the user's requirements. 3.3.4 The hydraulic cylinder can be connected to the cooling device: when the stroke approaches the end, there should be no obvious impact sound. 3.3.5 The basic sensitivity of the hydraulic pressure shall comply with CN, S6C4.C, CH: SCC6, and the installation type and connection type of the hydraulic pressure shall comply with CB*317, CB*3318. 3.3.6 The hydraulic pressure shall be equipped with an exhaust gas passage: 3.3.7 The connection nails shall have sufficient strength. 3.3.8 The connection between the red head and the cylinder shall be inspected or checked, and defects such as right slack, air leakage, and light leakage are not allowed. The above defects should be repaired by welding.
3.4 Material and oil protection requirements
3.4.1 The material should be suitable for the oil and acid contact of the parts, and the temperature range should be suitable for the storage conditions. 3.4.2 The exposed parts of the hydraulic rod installed on the plate or easily in contact with water should be screened to prevent the leakage of seawater and fog. The surface of the hydraulic rod should be tested by salt dew. After 50 hours with 5% concentration of salt, the surface should be rust-free. 3.5 Cleanliness requirements www.bzxz.net
3.5.1 All parts should be cleaned first, and burrs and other objects are not allowed. 3.5.2 The hydraulic oil pump (stroke is calculated as 1m) shall be determined according to the table. Table 5
am
40: -63
125· -163
25-320
When the process passes 1 m, the transfer weight is calculated based on the formula (1) for each additional 1 m. W-G+91
In the branch, W is the total bacterial weight g:
G—.- The value in Table 5 is 1 m, ag:. - The value exceeds 1 4 Test and verification methods 4.1 Test conditions 4.1.1 Test oil discharge temperature when entering the test oil, acid test is 50 ± 2 ° C, factory test is 50 ° C, oil wave motion speed is 27 ~ 43mm / s; solid particle contamination level of oil is not high 19/1; d, oil recovery ability should be good, 4.1 .2 Positive system test diagram classification diagram 1 and 2, /T13342-92
Diagram type inspection source diagram
1-hydraulic requirement; 2-microflow room 3-electro-hydraulic reversing room 14-one-way throttling question: 5 reading effect Yujiang 6 fee method pressure certificate: 7-fast overflow network 9-single fixed two: 3 dynamometer: 10 start and stop 11 external full hydraulic system 117 theft meter: 13 pressure square and beautiful cooling device 1A plus intelligent
GB/T 13342—92
Figure 2-Test principle diagram
1-One night; 2-Free flow measurement; 3-One-way network: 4-Electro-hydraulic reversing: Element-One-way throttle valve: 5-Rated full-pressure red-giant branch switch 8-*1 Lubricating filter C-Oil tank, 11E small
4.1.3 Receiver instrumentation compared with Table 6 provisions
Instruments, publications
Dynamometer
Flowmeter
4.2 Tests
4.2.1 Environmental performance test
4.2.1.1 Test
Type performance test (B)
Factory performance test (C)
Perform the test in accordance with CB1146.2. Place the test object in a low temperature test chamber (room) for a week, and then lower the ambient temperature to -25 ± 5 °C for 2 hours. Then conduct the oil supply action test. The oil supply pressure is the nominal pressure. Repeat the action n times at mm/min and 1momm/min. 4. 2. 1.2 High temperature test
GB/T13342-92
The test object is an oil at a temperature not lower than 7°C under the nominal pressure. With a vibration test of 10U～12Vm/s, the whole machine is connected and operated repeatedly for 11 seconds without external noise. 4.2.1.3. Vibration test According to the provisions of CB1146.9, the test device shall be installed on the vibration test piece, and the test cylinder shall be connected to the test device. Under the nominal pressure, the test shall be carried out according to the value specified in Table 2. During the test, the pressure should be normal. 4.2.1.4 Test according to the test. The test device shall be installed on the swing test bench, and the test shall be carried out according to the provisions of Table 1 under the nominal pressure. It should work normally. 1.2.2 Performance test 4.2:2.1 Trial operation test
Under air conditioner, reciprocate the full stroke for more than 5 times to exclude air, observe the actual operation, and find no abnormal phenomenon and external full pressure.
4.2.2.2 Low starting pressure test
Install the test cylinder in horizontal position and under air condition, let the oil flow from the largest cavity of the test cylinder to gradually increase the pressure, observe the pressure gauge, and record the low pressure of the piston of the test cylinder when starting. 4.2.2.3 Internal leakage test
Set the plugs of the test cylinder at the two ends of the stroke respectively, adjust the overflow pressure to make the internal pressure of the test cylinder the nominal pressure, and measure the full pressure at the injection port of the other cavity. For the internal leakage test of the multi-stage pressure transition series, 4.2.2.4 Negative efficiency test
Install the hydraulic cylinder on the live rod of the test cylinder. The test cylinder runs at the lowest stable speed. Adjust the flow tree to gradually increase the oil pressure entering the cylinder. Start from 1% of the nominal pressure and then measure the output force of each point at 10% of the nominal pressure. Calculate the load efficiency of the stop point according to formula (2):
Where - load efficiency;
W is the actual output force, N
F is the hydraulic cylinder output force, calculated according to formula (3), FP, S,.\ PS,
where P is the high pressure oil pressure, MPa, P is the low pressure oil pressure, MPa, S is the pressure chamber bearing surface, n
S, and n
4.2.2.5 Full stroke test
Under the nominal positive force, the test cylinder moves at a speed of 1nm/min to check the leakage at the rod (this value can be measured in the durability test). 4.2.2.6 Final impact test
The test cylinder is input with 50% of the nominal stop force, and the buffer effect is checked at the speed of the meter (the instrument is suitable for the red with buffer device). 4-2-2. Speed test
Under the nominal pressure, the test cylinder moves at a speed of 1ms for more than two times throughout the stroke, and there must be abnormal phenomena such as root movement. 4.2.3 Pressure and durability test
4.2.31 Pressure test
The piston of the test cylinder is kept at the two full strokes, and the pressure transmitted to the sight glass by the relief valve is adjusted to 1.5 times the nominal pressure, and the pressure is maintained for 5 minutes.
4.2.3.2 Durability test
GA/T13342—92
Under the nominal pressure, the load test is carried out with a speed of 100m m/5 reciprocating motion 200,000 times or 10km, continuous motion 10h:
4.3 Inspection method
4.3.1 Cleaning inspection
Measure the amount of dirt inside the pressure reducing cylinder by the special gravity method, that is, flush the inner cavity of the hydraulic cylinder with cleaning liquid, and then slowly put the flushed liquid on the film with a hole weight of 0.8. After the test, dry it and weigh it. The weight after the pressure reducing film is the weight of the whole object in the hydraulic cylinder. It should meet the requirements of 3.5.2. 4.3.2 Full stroke inspection
The tested machine is placed at both ends of the stroke, then the full stroke length should meet the product installation requirements: 4.3.3 Main dimensions and precision inspection
First inspect the installation dimensions of the machine, then heat the machine, clean and wipe it thoroughly. Inspect the inner diameter of the cylinder, the outer diameter of the piston rod, the outer diameter of the guide sleeve, the size of the sealing groove, and the surface roughness of the sliding surface. They should meet the design requirements. 5 Inspection rules
Inspection is divided into factory inspection and type inspection. 5.1 Delivery inspection
Products are inspected according to Table 7 before leaving the factory. Qualified products will be issued with their certificates of conformity. 5.2 Type inspection
In the case of the following conditions, the table is generally changed? 8. When the structure, material and process of the formally produced products have major changes, which may affect the product performance, the normal production products shall be inspected every four years or when the cumulative production is 50,000 units! When the inspection department makes a request, the project manager will conduct a physical inspection, low beam test, high test, dynamic test, material model test, trial run test, and so on! At first, the new power test will be
internal disease test comparison
external protection test
load rate test model
: the most capable fault determination test
limit impact test to
durability test
later inspection
test method
4. 2. 1. 3
4. 2. 1. 4
4. 2. 2.1
4- 2. 2. 2
4- 2- 2- 5
2- 2- 7
4 2- 2. 6
4. 2. 3. 1
d. 2. 3.2
Quick test
Factory insurance
100 yuan
Serial number 3.5,
6 In the case of collecting scientific and technological supervision departments and the same European merchants as the users, the products are less than
Beijing Ship
6 Marking and packaging standards
FB/T13342---92
5.1 Each compressed cylinder should be equipped with a welcome sign in a clear position. The rest of the sign should be correct and firm. The content includes: manufacturer name; product name!
Product model or mark:
Main technical data (nominal pressure, diameter, control, etc.): d.
Manufacturing date and abbreviation:
Mark
62 Packaging
6.2.1: The hydraulic cylinder shall be packed in colored boxes and sealed for preservation. The qualified anti-rust filter shall be marked inside and the effective shelf life shall be indicated on the instruction manual. The cylinder that has not been used after the expiration of the period shall be dismantled for inspection and repair. 6.2.2 The oil pressure protection cover shall be replaced: 6.7.3 The following documents shall be provided when leaving the factory: d.
Product certificate;
Instruction manual:
Installation list,
Random equipment and accessories.
Additional instructions:
This product is provided by China Shipbuilding Industry Corporation. This standard was drafted by the National Standardization Technical Committee for Pneumatic Pressure Reduction Subcommittee, and was drafted by the Sixth National Standardization Institute, Lanzhou Institute, and Chongqing Hydraulic Factory. The main drafters of this standard are Zhengzhou Institute of Chemical Engineering and Guan Ersheng. From the date of implementation of this standard, the original standard (B101352 General Technical Conditions for Hydraulic Cylinders) will be used as the standard.2.3.2 Durability test
GA/T13342-92
Under nominal pressure, load test with 100mm/5 reciprocating motion 200,000 times or 10km, one continuous motion for 6 hours:
4.3 Inspection method
4.3.1 Cleaning test
Measure the amount of dirt inside the pressure reducing cylinder by the force method, that is, flush the inner cavity of the hydraulic cylinder with cleaning liquid, and then slowly pour the flushed liquid into the film with a hole weight of 0.8. After the test, dry it and weigh it. The weight after the pressure reducing film is the weight of the whole object in the hydraulic cylinder. It should meet the requirements of 3.5.2. 4.3.2 Full stroke inspection
The tested machine is placed at both ends of the stroke, then the full stroke length should meet the product installation requirements: 4.3.3 Main dimensions and precision inspection
First inspect the installation dimensions of the machine, then heat the machine, clean and wipe it thoroughly. Inspect the inner diameter of the cylinder, the outer diameter of the piston rod, the outer diameter of the guide sleeve, the size of the sealing groove, and the surface roughness of the sliding surface. They should meet the design requirements. 5 Inspection rules
Inspection is divided into factory inspection and type inspection. 5.1 Delivery inspection
Products are inspected according to Table 7 before leaving the factory. Qualified products will be issued with their certificates of conformity. 5.2 Type inspection
In the case of the following conditions, the table is generally changed? 8. When the structure, material and process of the formally produced products have major changes, which may affect the product performance, the normal production products shall be inspected every four years or when the cumulative production is 50,000 units! When the inspection department makes a request, the project manager will conduct a physical inspection, low beam test, high test, dynamic test, material model test, trial run test, and so on! At first, the new power test will be
internal disease test comparison
external protection test
load rate test model
: the most capable fault determination test
limit impact test to
durability test
later inspection
test method
4. 2. 1. 3
4. 2. 1. 4
4. 2. 2.1
4- 2. 2. 2
4- 2- 2- 5
2- 2- 7
4 2- 2. 6
4. 2. 3. 1
d. 2. 3.2
Quick test
Factory insurance
100 yuan
Serial number 3.5,
6 In the case of collecting scientific and technological supervision departments and the same European merchants as the users, the products are less than
Beijing Ship
6 Marking and packaging standards
FB/T13342---92
5.1 Each compressed cylinder should be equipped with a welcome sign in a clear position. The rest of the sign should be correct and firm. The content includes: manufacturer name; product name!
Product model or mark:
Main technical data (nominal pressure, diameter, control, etc.): d.
Manufacturing date and abbreviation:
Mark
62 Packaging
6.2.1: The hydraulic cylinder shall be packed in colored boxes and sealed for preservation. The qualified anti-rust filter shall be marked inside and the effective shelf life shall be indicated on the instruction manual. The cylinder that has not been used after the expiration of the period shall be dismantled for inspection and repair. 6.2.2 The oil pressure protection cover shall be replaced: 6.7.3 The following documents shall be provided when leaving the factory: d.
Product certificate;
Instruction manual:
Installation list,
Random equipment and accessories.
Additional instructions:
This product is provided by China Shipbuilding Industry Corporation. This standard was drafted by the National Standardization Technical Committee for Pneumatic Pressure Reduction Subcommittee, and was drafted by the Sixth National Standardization Institute, Lanzhou Institute, and Chongqing Hydraulic Factory. The main drafters of this standard are Zhengzhou Institute of Chemical Engineering and Guan Ersheng. From the date of implementation of this standard, the original standard (B101352 General Technical Conditions for Hydraulic Cylinders) will be used as the standard.2.3.2 Durability test
GA/T13342-92
Under nominal pressure, load test with 100mm/5 reciprocating motion 200,000 times or 10km, one continuous motion for 6 hours:
4.3 Inspection method
4.3.1 Cleaning test
Measure the amount of dirt inside the pressure reducing cylinder by the force method, that is, flush the inner cavity of the hydraulic cylinder with cleaning liquid, and then slowly pour the flushed liquid into the film with a hole weight of 0.8. After the test, dry it and weigh it. The weight after the pressure reducing film is the weight of the whole object in the hydraulic cylinder. It should meet the requirements of 3.5.2. 4.3.2 Full stroke inspection
The tested machine is placed at both ends of the stroke, then the full stroke length should meet the product installation requirements: 4.3.3 Main dimensions and precision inspection
First inspect the installation dimensions of the machine, then heat the machine, clean and wipe it thoroughly. Inspect the inner diameter of the cylinder, the outer diameter of the piston rod, the outer diameter of the guide sleeve, the size of the sealing groove, and the surface roughness of the sliding surface. They should meet the design requirements. 5 Inspection rules
Inspection is divided into factory inspection and type inspection. 5.1 Delivery inspection
Products are inspected according to Table 7 before leaving the factory. Qualified products will be issued with their certificates of conformity. 5.2 Type inspection
In the case of the following conditions, the table is generally changed? 8. When the structure, material and process of the formally produced products have major changes, which may affect the product performance, the normal production products shall be inspected every four years or when the cumulative production is 50,000 units! When the inspection department makes a request, the project manager will conduct a physical inspection, low beam test, high test, dynamic test, material model test, trial run test, and so on! At first, the new power test will be
internal disease test comparison
external protection test
load rate test model
: the most capable fault determination test
limit impact test to
durability test
later inspection
test method
4. 2. 1. 3
4. 2. 1. 4
4. 2. 2.1
4- 2. 2. 2
4- 2- 2- 5
2- 2- 7
4 2- 2. 6
4. 2. 3. 1
d. 2. 3.2
Quick test
Factory insurance
100 yuan
Serial number 3.5,
6 In the case of collecting scientific and technological supervision departments and the same European merchants as the users, the products are less than
Beijing Ship
6 Marking and packaging standards
FB/T13342---92
5.1 Each compressed cylinder should be equipped with a welcome sign in a clear position. The rest of the sign should be correct and firm. The content includes: manufacturer name; product name!
Product model or mark:
Main technical data (nominal pressure, diameter, control, etc.): d.
Manufacturing date and abbreviation:
Mark
62 Packaging
6.2.1: The hydraulic cylinder shall be packed in colored boxes and sealed for preservation. The qualified anti-rust filter shall be marked inside and the effective shelf life shall be indicated on the instruction manual. The cylinder that has not been used after the expiration of the period shall be dismantled for inspection and repair. 6.2.2 The oil pressure protection cover shall be replaced: 6.7.3 The following documents shall be provided when leaving the factory: d.
Product certificate;
Instruction manual:
Installation list,
Random equipment and accessories.
Additional instructions:
This product is provided by China Shipbuilding Industry Corporation. This standard was drafted by the National Standardization Technical Committee for Pneumatic Pressure Reduction Subcommittee, and was drafted by the Sixth National Standardization Institute, Lanzhou Institute, and Chongqing Hydraulic Factory. The main drafters of this standard are Zhengzhou Institute of Chemical Engineering and Guan Ersheng. From the date of implementation of this standard, the original standard (B101352 General Technical Conditions for Hydraulic Cylinders) will be used as the standard.
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