Some standard content:
Machinery Industry Standard of the People's Republic of China
JB/T5156-1991
Square hay baler
Published on 1991-05-18
Technical conditions
Implemented on 1992-01-01
Published by the Ministry of Machinery and Electronics Industry of the People's Republic of China
Square hay baler
1 Subject content and scope of application
Technical conditions
JB/T 5156-1991
This standard specifies the technical requirements, test methods, inspection rules, and marking, packaging, transportation and storage requirements of square hay balers (hereinafter referred to as balers).
This standard applies to square hay balers that use ropes or steel wires as binding materials (excluding bale thrower accessories and the power part of self-propelled balers).
Referenced standardsbzxZ.net
GB11365
JB3642
JB5160
JB/T5165
JB/T5166
ZBT63008
ZB T63 007
ZBB91021
3 Terminology
Basic types and dimensions of weld grooves for gas welding, manual arc welding and gas shielded weldingPrecision of bevel and hypoid gears
General technical conditions for steel roll forgings
Technical conditions for forage pickers
Terms for square hay balers
Test methods for square hay balers
Universal joint transmission of agricultural machinery
Painting of agricultural machinery
Technical conditions for tractor transmission gears
Technical conditions for tractor spline shafts
Technical conditions for knotters for square hay balers
The terms used in this standard shall comply with the provisions of JB/T5165. 4 Technical requirements
4.1 Technical performance requirements
Under normal operating conditions, the main performance indicators of the machine shall comply with the provisions of the following table: Approved by the Ministry of Machinery and Electronics Industry on May 18, 1991 and implemented on January 1, 1992
Bale density
Energy consumption per ton of grass
Regular bale rate
Total loss rate of forage grass
Bale fall resistance rate
Bale material consumption
(Bale cross section
360mm×460mm)
Rope baling
JB/T5156-1991
Rope baling
Wire baling
Legume forage
Gramineae forage
Rice and wheat straw
Legume forage
Wire baling
Rope baling
Wire baling
Rope consumption
(SPPK-320)
Polypropylene baling rope
Wire consumption
Average working time before first failure
Pure working hour productivity
Feeding amount
Number of piston strokes per minute
Gramineae forage
Rice, wheat straw
Gramineae forage feeding amount
Gramineae forage
Legume forage
Gramineae forage
Rice, wheat straw
Legume forage
Gramineae forage
Rice, wheat straw
Unit of measurement
h (bale)
kg/time
time/min
≥130
(4000)
Should reach the design value
Should reach the design value
Should reach the design value
The moisture content of rice straw is 10%~17%, and the performance indicators such as bale density are calculated according to the feed note: the moisture content of forage suitable for baling operation is 17%~23%, and the moisture content of wheat straw and grass is 20%.
General technical requirements
The product shall comply with the provisions of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. The raw materials used for parts must comply with the provisions of relevant national standards and industry standards; without affecting the product quality, service life and interchangeability of parts, other materials with mechanical properties not lower than the original regulations are allowed. 4.2.3
A hooking mechanism for lifting should be provided at the appropriate position of the baler. The traveling part should have a place for installing the jack. The baler should be equipped with a bale length adjustment mechanism, and its length adjustment range is 0.5~1.2m. The knotter should be equipped with a rainproof cover. The cover should be easy to open, firmly fixed after opening, and the working condition of the knotter should be visible from the outside after closing.
JB/T5156-1991
4.2.7 The universal joint drive shaft, flywheel, and right side of the needle base should be equipped with a safety cover. 4.2.8 The transmission mechanism of the picker, conveyor feeder, knotter and main transmission device should be equipped with an overload protection device. There should be a safety device to prevent the piston from colliding with the baling needle when the baling mechanism, piston and feeding device are out of position; there should be an overrunning clutch in the main transmission. 4.2.9 Forgings should comply with the provisions of JB3642
4.2.10 Welded parts should comply with the provisions of GB9854.3 Technical requirements for main parts and components
4.3.1 Universal joint transmission shaft should comply with the provisions of NJ5. 4.3.2 The connection between the main transmission box gear and the spline shaft should comply with the provisions of ZBT63008 and ZBT63007 respectively. The spiral bevel gear transmission should be inspected in pairs according to the 8~9 grade accuracy specified in Appendix B of GB11365. 4.3.3 The pick-up parts should comply with the provisions of JB5160. 4.3.4 Under rated load, the temperature rise of the main transmission box bearing shall not exceed 25℃ after the machine runs for 1h. 4.3.5 The knotter parts shall comply with the provisions of ZBB91021. After the flywheel is assembled, a static balance test shall be carried out, and the unbalance shall not exceed 28000g4.3.6
gmm.
4.4 Technical requirements for final assembly
All parts (including purchased parts and outsourced parts) must be inspected and qualified before final assembly. 4.4.1
After final assembly, all moving parts must operate flexibly without collision or jamming, and all adjustment mechanisms shall ensure flexible and reliable adjustment. 4.4.3 The traction rod shall be flexible to change positions, and the positioning pin shall be able to automatically enter the positioning hole under the action of the spring and can be easily pulled out by hand. 4.4.4
When each row of spring teeth of the picker is in the lowest working position, the distance between the tooth ends of all spring teeth and the supporting surfaces of the two wheels shall not be greater than 20mm.
4.4.5 The outer surface of the fixed blade of the grass cutter shall not be higher than the inner surface of the right slideway, and the gap between the moving and fixed blades shall be within the range of 0.3~1.0mm. During operation, the piston, baling needle and feeder must be coordinated and accurate. The relative position between the rear dead point of the piston and the tip of the knotting needle and the feeder, and the relative position and size between the upper dead point of the baling needle and the knotter shall comply with the provisions of the instruction manual. 4.5 Painting
4.5.1 The baler shall be painted with TQ-1-BY or TQ-1-NY ordinary weather-resistant layer specified in NJ/Z3, and the coating quality shall comply with the 2nd level specified in Appendix C.
4.5.2 The exposed machining surfaces and friction surfaces of the unpainted parts shall be coated with anti-rust oil. 5 Test methods
Performance tests and production tests shall be carried out in accordance with the provisions of JB/T5166. 6 Inspection rules
6.1 Each baler leaving the factory must be inspected and qualified by the quality management department of the manufacturer, and can only leave the factory with a product quality certificate. 6.2 Factory inspection
6.2.1 Before leaving the factory, each product should be tested for idling. First, the machine should be operated at a low speed for 10 minutes (the piston reciprocates about 50 times/min), and then gradually accelerated to the rated speed for 20 minutes. The following requirements should be met: a. Normal start-up and smooth operation;
b. The fasteners must not be loose;
c. The operating system is accurate and reliable.
JB/T 5156—1991
6.2.2 According to the provisions of 4.3.6, 4.4.2, 4.4.3, 4.4.5 and 4.5.2 of this standard, each item should be inspected and the requirements should be met. 6.2.3 The baler is running at rated speed without using the clutch, and all knots should be tied 10 times. 6.2.4 Each item in the factory inspection should be qualified. If one item is unqualified, it can be repaired. If it is still unqualified, it is not allowed to leave the factory. 6.3 Type inspection
6.3.1 Type inspection should generally be carried out in any of the following situations: a. Trial design and identification of new products or old products transferred to the factory for production; b. After formal production, if there are major changes in structure, materials, and processes that may affect product performance; c. During normal production, inspection is carried out every two years; d. When the factory inspection results are significantly different from the last type inspection; e.When the product is discontinued for three years or more and resumed production f. When the national quality supervision agency proposes a requirement for type inspection. 6.3.2 Inspection items
Type inspection items include the items specified in Articles 4.1, 4.3.4, 4.4.4, 4.4.6 and 4.5.1. 6.3.3 Sampling rules
The inspection batch is 16 to 25 units, and two units are randomly sampled. 6.3.4 Judgment rules
The baling rate, bale density, total grass loss rate, and piston stroke times must all be qualified, and three of the remaining items are allowed to be unqualified; if more than three items are found, the batch of products will be judged as unqualified. 7 Marking, packaging, transportation and storage
7.1 Marking
7.1.1 The model, name, manufacturer, and trademark of the machine shall be painted on the following positions of the machine: a. Front cover of the conveyor feeder;
b. Left side of the crank connecting rod cover.
A sign should be placed in a conspicuous position on the machine, and its content should include: a. Product model and name;
b. Product main parameters (bale size, picker width, piston stroke times, external dimensions, etc.); c. Manufacturing date, product number;
d. Manufacturer name.
7.1.3 Packaging mark
The outer surface of the package should have a delivery and receipt mark, and its position and content should comply with the relevant regulations of the transportation department. 7.2 Packaging
7.2.1 Balers for long-distance transportation should be packed in boxes and rainproof measures should be taken. If the supply and demand parties reach an agreement, simple packaging can be used. When simple packaging is used, the following requirements should be met:
a. The pick-up and lifter should be firmly fixed at the highest position; b. The conveyor feeder should be fixed at the lowest position with a rope; c. The baling mechanism should be in the non-working position; 4
d. The knotter should be rainproof:
JB/T 5156—1991
e. The traction bar should be fixed in the transportation position, or the traction bar should be removed and packed separately; f. The position of the tire should be reliably fixed during transportation, or it should be padded with a fixed bracket to keep the tire off the ground; g. Spare parts and random parts must be packed separately in a packaging box. 7.2.2 Random documents should include:
a. Product certificate;
b. Product instruction manual;
c. Packing list;
d. Random spare parts and accessories list;
e. User feedback form.
7.3 Transportation
The baler shall not be transported over long distances by tractor. The tires of the baler shall be inflated as required during transportation, and the tire pressure shall be maintained. 7.3.2
The baler shall not be mixed with other goods during transportation. 7.4 Storage
7.4.1 Before storage, the bales in the baling room shall be cleared, and the broken grass and dust from all parts of the machine shall be cleared. The baler shall be repaired and maintained in accordance with the instructions for use.
7.4.2 The baler shall be stored in a ventilated and dry hangar. The tires on both sides of the baler shall not be loaded during storage. : Quality Assurance Period
If the user complies with the usage rules, within one year from the date of delivery, if the baler is damaged or cannot work normally due to manufacturing quality problems, the manufacturer shall repair or replace it free of charge. Additional Notes:
This standard is proposed and managed by the Hohhot Animal Husbandry Machinery Research Institute of the Ministry of Machinery and Electronics Industry. This standard was drafted by the Hohhot Animal Husbandry Machinery Research Institute of the Ministry of Machinery and Electronics Industry. The main drafters of this standard are Chen Huizhen, Su Zhengfan and Daoerji. From the date of implementation of this standard, the original NJ281-82 "Technical Conditions for Hay Picking and Baling Machines" will be invalidated. People's Republic of China
Mechanical Industry Standard
Technical Specifications for Square Bale Balers
JB/T 51561991
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)
Word count 10.000
Format 880×1230
1/16 Sheet 5/8
First edition in September 1991
First printing in September 1991
Print run 1-500
Price 1.00 Yuan
Mechanical Industry Standard Service Network: http://www.JB.ac.cn1661_9s/F
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