GB/T 7120-2009 English PDF

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GB/T 7120-2009: Three-point quick-attaching coupler of implement to agricultural wheeled tractors -- Category 3N, 4N
Status: Valid

GB/T 7120: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 7120-2009	209	Add to Cart	3 days	Three-point quick-attaching coupler of implement to agricultural wheeled tractors -- Category 3N, 4N	Valid
GB/T 7120-1986	RFQ	ASK	3 days	Three-Point hitch implement quick-attaching coupler of agricultural wheeled tractors--Category 3N	Obsolete

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Basic data

Standard ID: GB/T 7120-2009 (GB/T7120-2009)
Description (Translated English): Three-point quick-attaching coupler of implement to agricultural wheeled tractors -- Category 3N, 4N
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: T62
Classification of International Standard: 65.060.10
Word Count Estimation: 9,910
Date of Issue: 2009-11-15
Date of Implementation: 2010-05-01
Older Standard (superseded by this standard): GB/T 7120-1986
Quoted Standard: GB/T 1593.1-1996; GB/T 6960.6; JB/T 6684
Adopted Standard: ASAE S278.6 DEC94 (SAE J909 JUN93), NEQ
Regulation (derived from): National Standard Approval Announcement 2009 No.13 (Total No.153)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the 3N and 4N Class narrow class mount device, GB/T 1593. 1-1996 recommended distance between suspension points under Category 3 and 4 smaller class special tools mount device, GB/T 1593. 1-1996 requirements class 3 and class 4 three-point hitch of agricultural wheeled tractors coupling dimensions and space sizes. This standard applies to GB/T 1593. 1-1996 Agricultural wheeled tractors stipulated in Class 3 and Class 4 dual rear wheels or narrow -spaced three-point operations narrow track suspension. This standard does not include the design of the latch mechanism and three-point hitch of component design.

GB/T 7120-2009: Three-point quick-attaching coupler of implement to agricultural wheeled tractors -- Category 3N, 4N

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Three-point quick-attaching coupler of implement to agricultural wheeled tractors.Category 3N, 4N ICS 65.060.10 T62 National Standards of People's Republic of China Replacing GB/T 7120-1986 Agricultural wheeled tractors and implements - Three hitch couplers Class 3N, 4N class Posted 2009-11-15 2010-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard ASAES278.6DEC94 (SAEJ909JUN93) (American Society of Agricultural Engineers standard) "is a fast mount Agricultural wheeled tractors and implements connection device "(in English) non-equivalent. The standard reference used ASAES278.6DEC94 (SAEJ909JUN93) (American Society of Agricultural Engineers Standard) "has fast Mount the speed of agricultural wheeled tractors and implements connection device "(English) 3N and 4N class class related provisions, according to our standard series Writing, drawing requested editorial changes. This standard is GB/T 7120-1986 "Agricultural wheeled tractor three-point suspension implement quick - attaching device 3N class" on amendments and GB/T 7120-1986 compared to the main changes as follows. --- Increase agricultural wheeled tractors and implements - Three - point hitch implement 4N class content; Increased content --- Chapter 3, "Terms and definitions" and Chapter 6, "locking device"; --- Chapter 4, Chapter 5, respectively, instead of the GB/T 7120-1986 in Table 1, Table 2 annotated content with standard terms form; --- According to the requirements of the standard view of the drawing Relations revised GB/T 7120-1986 in Figures 1 and 2. From the date of implementation of this standard instead of GB/T 7120-1986. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee tractor (SAC/TC140) centralized. This standard is drafted by. Luoyang Tractor Research Institute. It participated in the drafting of this standard. LOVOL International Heavy Industry Co., Ltd. The main drafters of this standard. Meng Lin, Xiewei Xiang, WEAR BEHAVIORS, Zhang Shu Cai, Qin Yue. This standard replaces the standards previously issued as follows. --- GB/T 7120-1986. Agricultural wheeled tractors and implements - Three hitch couplers Class 3N, 4N class

1 Scope

This standard specifies the class 3N and 4N narrow class mount device, GB/T 1593.1-1996 recommended distance between the suspension points under the smaller Class 3 And 4 special class implements the mount device, GB/T 1593.1-1996 Type 3 and Type 4 three - point linkage Agricultural wheeled tractors links Size and space sizes. This standard applies to GB/T 1593.1-1996 prescribed Agricultural wheeled tractors class 3 and 4 dual rear wheels or narrow Leading job narrow wheelbase three-point hitch. This standard does not include the design of the latch mechanism and the three-point hitch member design.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 1593.1-1996 Part 1 Agricultural wheeled tractors - Rear-mounted three-point suspension device. Class 2, 3 and 4 (eqv ISO 730-1.1994) GB/T 6960.6 Tractor terminology - Part 6. hydraulic suspension system and traction, trailers Gap range JB/T 6684 three-point suspension system coupled tools on

3 Terms and Definitions

GB/T 6960.6 and established the following terms and definitions apply to this standard. 3.1 Three-point hitch is located on the tractor three-point suspension device and an additional device between the farm machinery. One end of which a tractor hanging Hanging rod ball joint coupling the other end with a hook tied to tools. 3.2 Hook and hook pin tools mounted on the center of the mount device. 3.3 Between the hook with the tractor coupling rod ball joint center point. 3.4 Hook hook with the hook pin mounted on the center point of tools. 3.5 By hook is tied hook pin mounted implements under center. ......

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