This standard specifies the type, size, vertical static load and installation requirements of the traction device - U-type traction hook. This standard applies to the device for connecting traction-type agricultural machinery at the rear of agricultural tractors (excluding hand tractors) with a power of more than 15kW. GB/T 2780-1992 Type, size and installation requirements of traction devices for agricultural tractors GB/T2780-1992 Standard download decompression password: www.bzxz.net

111\629.1*4.2.01?
National Standard of the People's Republic of China
GB/278092
Drawbars for agricultural tractors
Types, dimensions and mounting requirements
Drawbars for agricultural tractorsTypes dinmensions and mounting requirementsPublished on 11/14/1992www.bzxz.net
Implemented on 17/07/1993
Published by the State Administration of Technical Supervision
National Standard of the People's Republic of China
Drawbars for agricultural tractors
Types, dimensions and mounting requirements
Drawbars for agricultural tractors tractorsIypesdimensionsandmountingrequirementy1Main content and scope of application
This standard specifies the type, size, vertical load and installation requirements of traction equipment
GR/T2780-92
and 278m-81
type traction hooks. This standard is applicable to the installation of traction implements connected to the rear of commercial tractors (excluding hand-held tractors) with a power greater than 15kW. 2 Reference standards
GB1593.1 Three-point load table for agricultural closed-wheel tractors Part 1: Types 1, 2 and 3 GP1592 Types, dimensions, installation positions and static loads of traction devices on the rear power output shaft of agricultural tractors 3.1 The types of traction devices correspond to GB1393.1, and the type, dimensions, installation positions, vertical static loads and the provisions of the drawings and tables are included. 3.2 For special conditions, the installation positions and corresponding vertical static loads of the traction devices are shown in Appendix A (Supplementary Part). U-bottom shape
physical resistance
Approved by the State Bureau of Technical Supervision on November 14, 1992 and implemented on July 15, 1993
G8/T278092
Note: The outer shape can be eliminated within the + diameter range to allow the loss to be within the range: so as to keep the size change, 4 installation requirements
How to install?
Generally speaking, small vertical transfer
1 The center plane of the traction equipment can be equipped with a special type of traction equipment. The center plane of the traction equipment must be specified within the center of gravity of the traction equipment.
4.2 The traction equipment is designed for single use. The commercial dimensions of the frame should be noted. The power of the traction equipment should be replaced in a month to ensure that the distance between the two ends is straight (in the table.) and the quick connection hole is located on the power transmission shaft. The design: This should comply with the provisions of 12.
d.3 The traction chain should be able to fall off as needed. GBT27R09?
Appendix A
The installation position and weight of the traction equipment in special use cases are supplemented
1 Special use cases. The installation of the traction equipment in the A12 plan can be loaded with a large load, and the single-type traction equipment should not be used. 43 long car installation to be used for the requirements of the same beat reverse clothing machine only table 41
power static - dynamic end of the book center line civil commercial!
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additional instructions:
long lead
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