Some standard content:
1cS,4f.020.20
National Standard of the People's Republic of China
GB/T118681996
Diesel engine set for lifeboats
Diesel engine set for lifehoats1996-04-25Issued
1997-01-01Issued
State Bureau of Technical SupervisionIssued
GB/T1186—1996
This standard is designed based on GB11868-B standard for diesel engine sets. In order to establish the relevant new rules and regulations issued by my country's ship inspection, such as the standard for life-saving equipment 31989, the technical rules for statutory inspection of ships 31992, and the International Maritime Organization's life-saving equipment test 1992. This standard should be appropriately revised, summarize the implementation of GB1186B9, combine the opinions of the industry and the public, and make appropriate adjustments to the technical requirements and inspection plan of the original standard to improve the practicality and advancement of the standard. From the date of entry into force, the standard will replace GB11868, and Appendix A of this standard is the appendix of the standard.
This standard was proposed by China National Shipbuilding Industry Corporation; this standard was drafted by the National Technical Committee for Standardization of Mechanical Equipment; this standard was drafted by the East China Institute of Technology. The main drafters of this standard are: Wang Jian, Zhang Nengde, and Wang Huanda. 1 Scope
National Standard of the People's Republic of China
Diesel generator sets for lifeboats
Dicsel whge el fur lifelnalsGBT11868-1996
Code 1185589
This standard defines the product classification, release requirements, test methods and inspection rules and specifications, packaging, delivery, transportation and storage of diesel generator sets (including generator sets and gearboxes, hereinafter referred to as "diesel generator sets"). The standard is applicable to various types of diesel generator sets for lifeboats, and also to "diesel generator sets with similar success rates and auxiliary functions". 2 Referenced standards
The texts contained in the following list constitute the provisions of this standard through reference in this standard. At the time of publication of this standard, the versions shown are valid: All standards All standards will be strengthened and revised. The parties using this standard should explore the possibility of using the latest version of the following standards: G?25-9 Fuel tax product name and model number, GB1247-87 General technical conditions for internal combustion engines GB3473-83 Technical conditions for diesel speed control system GS·Emission state and measurement method G14597-93 Noise limit of small and medium power diesel engines CB*3154-83 Vibration measurement method for marine diesel engines CB/T3253-94 Technical conditions for frequency conversion diesel engines CB/3254.1-·H4 Calibration of diesel engine power, oil consumption and engine consumption and correction under non-standard environmental conditions C/T 3254.2-24
Ship diesel engine bench test method
CB3256--B5 Mercury emission rating for diesel engine for domestic useNI324-84 Dissipation limit for small and medium power internal combustion enginesN1379-85 Marine gear test methodWww.bzxZ.net
3 Product classification
3.1 Type of generator set
Vertical, parallel, multi-engine, gas-operated, reverse clutch reduction gear. 3.2 Main parameters of diesel generator set
3.2.1 Oil calibrated rate is 18~30k.
3.2.2 Net vertical displacement of diesel generator set See Table 1.
Approved by the State Technical Supervision Commission on April 25, 1996
Practical application on January 1, 1997
British oil engine maintenance
y-~2 4
3.2.3 The external dimensions of diesel generator set are shown in Table 2.
Diesel engine crankshaft shaft
c2 000
2 -2 40
3.3 Product marking
3.3.1 The product marking consists of the following:
Marking number
Type
Machine model
Product name
3.3.2 Marking agent:
GR/T 11868—1S96
Table diesel group net
Left 2 diesel group external shadow size
Oil engine
320~23
Diesel group external dimensions>Lv×
mm×mmXnm
95nx55xB5H
150x55x852~.90ox00x7c0
900N500X753
North one non-white technical formal package data element effect type and part of the closed J2 one self-supporting formal (including fully enclosed negative type and part of the closed type) -F3 · front fire white formal
The mark is 105mm, the starting point is 2 for fire-resistant self-supporting formal Type of diesel engine unit: Diesel engine unit 210513B/11868-196
4 Technical requirements
4.1 Diesel engine must be produced according to the drawings and (or> technical documents) approved by the ship inspection department before production, and comply with the requirements of B/3253 4-1.2 The design of the diesel engine and accessories should limit electromagnetic radiation so that the engine will not interfere with the safety of the non-electrical equipment used in the effective boat when running.
4.1.3 The main technical requirements of the engine are shown in Attachment A (Appendix of the standard) 4.7.4 The design should ensure that the diesel engine can produce a certain speed rate under the specified environmental conditions under the specified conditions specified in the diesel engine operating instructions. If the working condition is different from the standard condition, the relevant deviation of CB/3254 shall be followed or the manufacturer shall make corrections through consultation with the ordering party, and the original working condition shall be guaranteed. 4.1.5 The engine shall be capable of running continuously for 2 hours at 110% of the rated power for 1 hour during the working period. 4.6 The engine's control performance shall meet the relevant provisions of CB/3475. 4.1. The diesel engine shall be equipped with a manual starting device, or an independent power starting system with rechargeable energy. 2
CH/T 11868-1996
4.1.B Diesel starting system and starting auxiliary function The diesel engine shall be started within 2 minutes after the start of the starting operation procedure when the vehicle ambient temperature is -15°C.
4.1.9 The diesel engine shall also be able to run at a low speed for not less than 5 minutes after starting, and the diesel engine and its accessories shall be kept away from overheating or other problems.
4.1.10 The injection molding machine shall be submerged to the level of the crankshaft centerline and shall not allow water to enter. 4.1.71 The diesel engine of the self-supporting lifeboat can be kept running at any position during the whole capsizing process, and can still run after returning to the normal floating state or after turning over, and can be stored in the engine. When there is no normal operation, it should be restarted. During the necessary period, the fuel and lubrication should be checked: if there is a leak, the leak should not exceed 25%. 4.1-12 The engine should be equipped with a reverse gauge, a water temperature gauge, and an oil pressure gauge. 4.1.13 The diesel engine with open cooling should take anti-corrosion measures at the water inlet, and 4.1.14 The diesel engine of the fire-resistant lifeboat should have a transmission device that can drive the water system. 41.15 The surfaces and joints of the diesel engine are not allowed to have air filter, fullness and leakage. 4.1.16 The limit values of the emission, condensation and smoke density of the diesel engine shall comply with the relevant provisions of NJ324, GB14097 and GB94$6. 4.1.17 When the diesel engine is running at the rated working condition, the determination of the fuel pressure shall be carried out according to CB3154, and its value shall comply with the provisions of CB3256. 4.1.18 The flash point of the fuel oil closed test shall be 43 degrees Celsius. 4.2 Gearbox
4-2.1 The gearbox shall have an independent lubrication system, cooling system or heat dissipation device. 4.2.2 The body shall have good thermal conductivity.
4.2.3 The oil temperature in the clutch body must meet the requirements of the instructions for use. 4.2.4 The clutch must be independent of the operator and meet the following requirements: 1) The clutch function of the friction element should be activated and there should be no shaking during normal operation. When the vehicle is running empty, the transmission shaft system should not have a clutch margin coefficient of less than 1.5; c) The clutch reversing time should be less than 159; d) When the clutch is in operation: the shaft reversing torque should not be greater than 50N. The handle reversing force should not be greater than 14N. 4.2.5 The inner wheel should be in a state of rest. The maximum speed of the diesel engine should generally be less than 50% of the rated speed of the diesel engine. Full speed reversing should be allowed in emergency. 5.3 diesel engine assembly
4.3.1 The diesel engine assembly should be able to operate normally under the conditions of pitch 5, roll 15*, pitch 7.5° and roll 22. 4.3.2 The diesel engine and the gearbox transmission should be connected with a coupling. The axis of the coupling must be aligned and its coaxiality should not exceed 1T.n. The runout of the flange end face should not exceed 0:10.08. 5 Test method
The diesel engine should be tested according to (:H/T3254.2. The test method of gear testing shall comply with the relevant provisions of NJ379. The diesel unit shall undergo the following tests: 5. Low temperature starting test
The diesel unit and its components shall be placed in an environment of -15℃ to test the strength of the engine oil, antifreeze and other components. Start the diesel unit three times, and each time the diesel unit shall be started within 1m of the starting sequence. The diesel engine is run to its rated speed for the first and second time: after the second start, the diesel engine unit is stopped until all its components recover to the normal speed, and then it is started for the third time. The diesel engine unit should run reversely for at least 1Dmin during the first start. 5.2 Water separation test
The diesel engine should be allowed to idle for at least 51nia under the condition simulating the lifeboat leaving the water, and should meet the requirements of 4.1. 5-3 Water test
The diesel engine unit should be water-tested to the center of the crankshaft and run for at least 5min. The requirements of 4 and 1 should be met. 3
5.4 Test
GR/T11868-1996
Fix the fuel box of the diesel unit on a frame that can rotate around the vertical axis of the engine, and install a plate to collect the leaked oil to measure the engine oil. Accurately measure the leakage plate and test according to the following procedures: 5.4.1 Start the engine and run at full speed for 5 min: 5.4.2 Stop the engine and rotate 360° counterclockwise. 5.4.3 Start the unit with new diesel and run at full speed for 13 min. 5.4.4 Stop the engine and rotate 36° counterclockwise. 5.4.5 Restart the unit and run for 10 min. Then stop the unit; 5.4.6 Cool the engine down. 5.4.7 Start the unit with new diesel and run at full speed for 5 min. 5.4.8 Rotate the running diesel unit 180° clockwise, hold it at 180°, let 105°, then rotate the clockwise another 180° to complete one circle of rotation. 5.4.9 The unit is about to stop when the clockwise rotation is completed: 5.4.1 Start the diesel unit again and make it run at full speed for 10 minutes, then shut it down: 5.4.11 Allow the unit to cool and ventilate. 5.4.12 Restart the diesel unit and run it at full speed for 5 minutes; 5.4.13 Repeat the operations specified in Article 5.4-8, but perform the operations specified in Articles 5.4.1, 5.4.11 and 5.4.13 in reverse rotation: 5.4.15 Rotate the unit 18° clockwise and shut it down. Turn clockwise for the next 18 seconds to complete: 5.4.76 or start the diesel unit and run it at full speed for 10mn: 5.4.17 Repeat the operations specified in Article 5.4.15, but drive the diesel unit counterclockwise 5.4.28 Restart the diesel unit and run it at full speed for 10mn and then shut down; 5.4.19 After the test, the diesel unit must be disassembled and must comply with the requirements of 4.1.1. 6 Inspection
6.1 Factory inspection
Factory inspection of diesel units shall be carried out in accordance with the relevant provisions of the Quality Control Department and the approved test items shall be carried out. 6.2 Type inspection
Type inspection of diesel units shall be carried out in accordance with the provisions of Chapter 5. During the test, the inspection department must approve it. The manufacturer should provide detailed data of the type inspection. The type inspection is carried out once a year, and one diesel engine unit is selected from the batch production plan each year. 7 Marking, packaging, delivery, transportation and storage
7.1 Marking, packaging, delivery, transportation and storage shall comply with the relevant provisions of (17). 7.2 The diesel engine start and operation instructions shall be posted in a conspicuous place near the diesel start controller and shall be waterproofed. 7.3 Under the technical requirements for product sealing, packaging, storage and transportation stipulated by the manufacturer, the effective period of the engine shall be no less than 12 months from the date of leaving the factory. For exported diesel engines, the relevant standards shall be followed. 7.4 In the product use instructions, the provisions In the case of cumulative expansion, the components or parts damaged due to quality reasons within 18 months from the date of leaving the factory or 12 months after the formal delivery of the ship shall be replaced by the manufacturer. 4
A1 Model
Should comply with the relevant provisions of G735
A2 Type
CE/T11868—1996
Appendix A
(International Appendix)
Main technical specifications of diesel engines
Refer to impulse number, cooling type, fuel injection Chamber type, starting power type, etc. Main technical specifications
Gas number;
Gas diameter, mm:
Operating stroke, ima
Rated power W
Rated speed ./min:
Overload power, kw;
Low steady speed, r/m: r!
Fuel consumption rate, g/kW·lt;
Fuel consumption rate, R/kW·h
Operating basic Level and speed, m/s
Semi-average effective MPa:
Exhaust wet section, "
Pool engine cooling outlet,
Oil outlet temperature, ℃;
Supply and consumption advance angle. (\);
Turn direction, return to normal;
Overall size 1xxmm:
Net, kg.
Reverse: Main technical specifications of the oil engine structure type, performance control cup to be increased, cost limit clear manufacturing" agreed with the ordering party, 53 Under the technical requirements of product sealing, packaging, storage and transportation stipulated by the manufacturer, the effective period of the engine is no less than 12 months from the date of leaving the factory. For exported diesel engines, the relevant standards stipulate that 7.4 Under the provisions of the product manual, any parts or components damaged due to quality reasons within 18 months from the date of leaving the factory or 12 months after the formal delivery of the ship shall be replaced by the manufacturer. 4
A1 Model
Should comply with the relevant provisions of G735
A2 Type
CE/T11868-1996
Appendix A
(International Appendix)
Main technical specifications of diesel engines
Indicates impulse number, cooling type, combustion chamber type, starting power type, etc. Main technical specifications
Gas number;
Gas diameter, mm:
Active stroke, ima
Rated power W
Rated speed./min:
Overload power, kw;
Daytime low steady speed, r/m: r!
Fuel consumption rate, g/kW·lt;
Oil consumption rate, R/kW·h
Active cold total,.
Active base level and speed, m/s
Half average effective MPa:
Exhaust wet section, "
Pool engine cooling outlet,
Oil outlet temperature, ℃;
Supply and consumption advance angle. (\);
Turn direction, return to normal;
Overall dimensions 1xxmm:
Net, kg.
Reverse: Main technical specifications of the internal type and performance of the oil engine shall be increased, and the cost limit shall be determined by the ordering party, 53 Under the technical requirements of product sealing, packaging, storage and transportation stipulated by the manufacturer, the effective period of the engine is no less than 12 months from the date of leaving the factory. For exported diesel engines, the relevant standards stipulate that 7.4 Under the provisions of the product manual, any parts or components damaged due to quality reasons within 18 months from the date of leaving the factory or 12 months after the formal delivery of the ship shall be replaced by the manufacturer. 4
A1 Model
Should comply with the relevant provisions of G735
A2 Type
CE/T11868-1996
Appendix A
(International Appendix)
Main technical specifications of diesel engines
Indicates impulse number, cooling type, combustion chamber type, starting power type, etc. Main technical specifications
Gas number;
Gas diameter, mm:
Active stroke, ima
Rated power W
Rated speed./min:
Overload power, kw;
Daytime low steady speed, r/m: r!
Fuel consumption rate, g/kW·lt;
Oil consumption rate, R/kW·h
Active cold total,.
Active base level and speed, m/s
Half average effective MPa:
Exhaust wet section, "
Pool engine cooling outlet,
Oil outlet temperature, ℃;
Supply and consumption advance angle. (\);
Turn direction, return to normal;
Overall dimensions 1xxmm:
Net, kg.
Reverse: Main technical specifications of the internal type and performance of the oil engine shall be increased, and the cost limit shall be determined by the ordering party, 5
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