Some standard content:
Mechanical Industry Standard of the People's Republic of China
JB/T 5180-1991
TY41, 51, 61 walking tractor series 1991-05-18 Issued
Implementation of the Ministry of Machinery and Electronics Industry of the People's Republic of China on 1992-01-01
Mechanical Industry Standard of the People's Republic of China
TY41, 5
Subject Content and Scope of Application
JB/T5180-1991
This standard specifies the technical requirements, test methods, inspection rules, delivery, marking, packaging, transportation and storage of TY41, 51, 61 walking tractors.
This standard applies to TY41, 51, 61 walking tractors (hereinafter referred to as tractors). 2
Cited standards
GB 6229
GB6231
Models and specifications
Models and types
Tractor painting
Technical conditions
Internal combustion engine bench performance test methodbzxz.net
Walking tractor
Test method
Tractor
Cleanliness determination method
TY41, TY51, TY61
Combined-purpose type
The main technical specifications of the whole machine are shown in Table 1 and Table 2. Tractor model
Engine model
Rated engine power
Rated engine speed
Rated traction N
Tractor overall dimensions 1xbxh
Minimum ground clearance
Minimum turning circle radius
Minimum horizontal passing radius
Tire specifications
Tractor weight
a. Structural weight
b. Minimum operating weight
c. Drive wheel counterweight
TY41 type
2110×830×1200
640-700
Test method approved by the Ministry of Machinery and Electronics Industry on May 18, 1991
TY51 type
2 250×900×1205
680-740
Theoretical speed of each gear
TY61
2250×900×1205
680~740
1992-01-01 implementation
TY41
TY51
TY61
JB/T5180-1991
Note: Theoretical speed of each gear is the rated speed of the engine, without considering the slip of the walking mechanism; the driving wheel power radius ra=0.277m is used for calculation of TY41; ra=0.301m for TY51 and 61.
4 Technical requirements
4.1 The tractor shall comply with the requirements of this standard and be manufactured according to the product drawings and technical documents approved through the prescribed procedures. 4.2 The parts, components, accessories and attachments of the tractor shall comply with the provisions of relevant standards. 4.3 The connections of various parts on the tractor shall be firm. 4.4 The tractor shall not leak oil, water or air, and mud and water shall not be allowed to penetrate into the body. 4.5 The painting of the tractor shall comply with the provisions of NJ226, and the surface shall be smooth and flat, with uniform color and no obvious paint defects. 4.6 The exposed surface of the casting shall be smooth and clean, without cracks and serious defects such as sand adhesion, fleshy pores, etc. The surface of the forging shall be smooth and clean, without defects such as cracks, flash and burrs.
4.7 Stamping parts shall be flat, without defects such as cracks and wrinkles that affect the appearance. 4.8 The welds of welded parts shall be uniform and firm, without defects such as leakage and burn-through, slag inclusion, undercut, pores, etc. 4.9 The metal coating and oxidation treatment layer shall not peel off or rust. 4.10 Each operating mechanism should be light and flexible, with appropriate tightness. All spring-returned operating handles should automatically return to their original positions after the operating force is removed.
The regulator operating mechanism should ensure that the engine can operate stably within the full speed range and can stop the engine. 4.12 On the test track, the tractor traction specific fuel consumption under the maximum traction power condition of the main tillage gear should not exceed 485g/kWh. 4.13 After the tractor is run-in as required, the rated power, fuel consumption rate and torque characteristics of the matching engine should comply with the provisions of the relevant diesel engine standards.
4.14 The tractor should be able to start smoothly when the minimum ambient temperature is less than or equal to 5℃. 4.15 The exhaust smoke density of the TY41 engine under the rated working condition should not exceed 4.0 Bo Xu units. For TY51 and TY61 models, the exhaust smoke density from the rated speed to the maximum torque speed should not exceed 4.5 Bo Xu units at full load speed characteristics. The engine speed shall not have obvious high and low phenomena; there shall be no abnormal noise; and the phenomenon of oil inspection is not allowed. 4.16
4.17 The transmission box of the tractor shall be clean, and the factory cleanliness limit is that the impurity content of each unit shall not exceed 162mg. 4.18 The V-belt groove of the engine pulley and the V-belt groove of the clutch pulley shall be aligned, and the tension adjustment shall comply with the provisions of the tractor instruction manual, and the engine's full torque can be transmitted. ) The clutch shall be able to separate completely, engage smoothly, and be able to transmit all torque when engaged. 4.19
When the tractor is working in various gears, the gearbox shall not have the phenomenon of disordered gears and gear disengagement, and the transmission system shall not have abnormal noise. 4.21
1 The steering mechanism and operating mechanism on the left and right sides shall be adjusted in unison. When the steering mechanism on one side is separated, the tractor shall be able to steer flexibly and reliably.
4.22 When the ambient temperature is not lower than 35℃ and the tractor is working continuously for 4 hours at close to full load, the oil temperature of the transmission system shall not be higher than 80℃. 4.23
3 On a dry and hard slope at 20℃, the tractor brakes should ensure that the single machine can stop reliably in the uphill direction. 2
JB/T5180-1991
4.24 The dynamic environmental noise of the tractor should not be greater than 84dB (A), and the noise near the driver's ear should not be greater than 91dB (A). 4.25
The mean time between failures (MTBF value) of the tractor should not be less than 250h. 4.26 The exposed rotating parts such as the pulley and power output shaft of the tractor should be equipped with protective covers. 4.27 Necessary safety warning signs should be set up in conspicuous parts of the tractor. The markings and symbols should be accurate and eye-catching. 4.28 If the user unit uses and maintains the tractor in accordance with the instruction manual provided by the manufacturer, within 12 months from the date of delivery, but not more than 1500 working hours, if the tractor is damaged or cannot be used normally due to the manufacturer's responsibility, the manufacturer shall be responsible for repairing or replacing the damaged parts free of charge.
5 Test methods
5.1 The engine bench test shall be carried out in accordance with the provisions of GB1105.2. 5.2 The whole machine parameter measurement, operation test, ramp parking brake test, noise measurement, traction test, hand crank start test and long-term use test of the tractor shall be carried out in accordance with the provisions of GB6229. 5.3 The cleanliness measurement of the tractor shall be carried out in accordance with the provisions of GB6231. 5.4 The reliability use test, reliability assessment method and reliability fault judgment rule of the tractor shall comply with the provisions of relevant standards. 6 Inspection rules
6.1 Factory inspection
6.1.1 For each assembled tractor, the engine must be started for factory inspection to check the manufacturing and assembly quality of the tractor, adjust the various working mechanisms, and preliminarily run-in the moving parts. The following items shall be inspected before leaving the factory: a. The correctness and reliability of the clutch, brake, steering mechanism, etc.; b. Whether the tension of the triangle belt is appropriate; c. Is there any abnormal noise in the gearbox? d. Is there any overheating in the moving and friction parts such as bearings? e. Is there any oil leakage, water leakage or air leakage? f. Are the connections of various parts and components firm? g. Check the working stability of the engine at various speeds and whether the oil supply system and cooling system work normally. 6.1.2 Factory inspection specifications a. Test in the order of speed levels 1, 2, 3, 4, 5, 6, reverse 1, reverse 2, and run each level at no load for 1~2 minutes; b. Each speed level should be tested for clutch, gear shifting, steering and braking; c. If a tractor is found to have a fault during the test, additional tests should be carried out after the fault is eliminated. 6.2 Type inspection Type inspection shall be carried out in accordance with the provisions of relevant standards. 6.3 Regular sampling inspection For tractors produced in batches, the manufacturer shall regularly select samples from the products recently produced for whole machine performance tests and reliability use tests.
7 Delivery
7.1 Each tractor must be inspected and approved by the manufacturer's technical inspection department, and issued with a certificate of conformity before it can leave the factory. 7.2 The following work must be done before the delivery of the tractor:3
JB/T5180—1991
a. Carry out an appearance inspection of the tractor to ensure that the tractor is in good condition and all external fasteners are firm; b. Drain the cooling water and diesel;
c. Check and adjust the tire pressure to the factory specified value, and the tire must not be filled with liquid. 7.3 In addition to the accessories provided according to the order requirements, each tractor shipped must be equipped with spare parts, accessories and random tools in accordance with the product manual:
7.4 For each tractor shipped, the manufacturer shall provide the following documents:a. Tractor manual;
b. Tractor parts catalog;
c. Tractor certificate;
d. List of spare parts, accessories and random tools; e. Packing list.
7.5 For the delivered tractor, the representative of the ordering party has the right to inspect all parts of the tractor in the manufacturer and may start the tractor if necessary but shall not disassemble the tractor.
8 Marking, packaging, transportation and storage
8.1 The main parts and wearing parts of the tractor shall have factory markings. 8.2 The tractor shall have a nameplate, which shall include at least the following information: a. Manufacturer name; b. Tractor model; c. Factory serial number and year and month.
8.3 The shipped tractor, including spare parts, accessories and random tools, shall be guaranteed not to be damaged or lost during normal transportation. 8.4 When the ordering party requires the tractor to be packed, it shall comply with the relevant provisions of the packaging standards so that the tractor is firmly fixed in the box. The outside of the packaging box shall be marked with: a. Manufacturer name, factory mark and address; b. Product name and model; c. Factory serial number and year and month;
d, overall dimensions lxb×h, mm;
e. Total weight, kg;
f. Shipping address and name of the consignee;
g. Markings such as "Do not invert", "Upward", "Handle with care", "Moisture-proof" and the position of the lashing rope. 8.5 Under normal transportation and storage conditions, the manufacturer shall ensure that the rust-proof validity period of the tractor and its spare parts, accessories and random tools is not less than 12 months from the date of leaving the factory.
Additional remarks:
This standard was proposed and managed by the Luoyang Tractor Research Institute of the Ministry of Machinery and Electronics Industry. This standard was drafted by the Luoyang Tractor Research Institute. The main drafters of this standard are Zhang Yufen and Lv Minggao. 4
People's Republic of China
Mechanical Industry Standard
TY41, 51, 61 Walking Tractor Series JB/T51801991
Published and issued by the China Academy of Mechanical Science
Printed by the China Academy of Mechanical Science
(No. 2 Shouti South Road, Beijing
Postal Code 100044)
1/16 Sheet 1/2
Format 880×1230
Word Count 8,000
First Edition in September 1991
First Printing in September 1991
Print Quantity 1-500
Price 0.80 Yuan
Mechanical Industry Standard Service Network: http://www.JB.ac.cn1661_081/F
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