JB/T 9835.2-1999 This standard is a revision of ZB T63 004.4-87 "Dimension series and marking of mounting flanges and shaft extensions of tractor hydraulic gear pumps". During the revision, only editorial changes were made according to relevant regulations, and the main technical content remained unchanged. This standard specifies the marking of the dimension series of mounting flanges and shaft extensions of agricultural gear pumps. This standard is applicable to agricultural gear pumps with a nominal pressure of 10~25MPa. This standard was first issued on . JB/T 9835.2-1999 Dimension series and marking of mounting flanges and shaft extensions of agricultural gear pumps JB/T9835.2-1999 Standard download decompression password: www.bzxz.net

JCS65.a60.10
Machinery Industry Standard of the People's Republic of China
JB/T 9835.2-1999
Gear pumps fer agriculture . Dimensions series andidentification code for mounting flanges and shaft end1999-08-06 Issued by
National Bureau of Machinery Industry
2000-01-01 Implementation
JB.T9835.2-1999
This standard is a revision of the size system and marking of the mounting flange and shaft extension of the ZBTG0m4.4-87 tractor hydraulic gear pump: only the original standard was edited when it was revised, and the main technical content has not changed. This standard replaces 7.BT63004.4-87 from the date of implementation. This standard was proposed and managed by the National Technical Committee for Standardization of Tractor Products: Drafting of this standard: Luoyang Tractor Control Research Institute. Drafting of the standard number: Ma Quankuan, Chen Linhui. Scope
Machinery Industry Standard of the People's Republic of China
Agricultural gear pumps
Dimension series and marking of mounting flanges and shaft extensions Gear pumps for agricultural gear pumps
Dimension series and marking of mounting flanges and shaft extensions This standard specifies the dimension series and marking of mounting flanges and shaft extensions of agricultural gear pumps. This standard applies to surface gear pumps with a nominal pressure of 10~25MPa (hereinafter referred to as gear pumps). 12 Reference standards
JB/T9835.21999
Generation 1630044-87
The provisions contained in the following standards constitute the provisions of this standard by citing them in non-standards. When this standard is published, the versions shown are valid. All standards will be revised in a chain, and parties who use non-standards should explore the possibility of adopting the latest versions of the following standards. GT1095—1990
GA-T1096-1990
GD/F1144-1987
GB/T1569—1990
GB/T1570—1990|| tt||Cross-section dimensions of flat keys and key extraction
General dimensions of flat keys
Dimensions of rectangular splines and inspection
Cylindrical shafts
Channel shaft extensions
Dimensions of hydraulic system and modification flanges and extensions Part 1 Dimensions and markings of two-hole and two-hole flanges GB/T2353.1—1994
3 Diamond and square mounting flanges
According to the provisions of GB/T2353.1,
4 Rectangular mounting flanges
Rectangular mounting flanges are divided into short and long ends, and they are designed according to the specific situation. The structure and size are in accordance with the drawings and tables.
National Machinery Industry Circular 1999-08-06 Approved 200N0-01-01 Implementation
Short stop
Long stop
JB/E9835,21999
1) It is allowed to replace the long stop with some parts, and it is not allowed to use the rigid hole [hole diameter is the bolt diameter in Table 1), but the selection should be made first, Figure 1
125~8 069
200 8.072
Number of pressure (pieces)
Hole (push)
9 -0-12
Short stop type
mun/mm
1) It is suitable for flexible couplings. The position tolerance of the rigid coupling should be smaller than the value specified in the table. 2
20 +10
32 -1-2
s Shaft extension
5.1 Shaft type
a) 1:10 conical shaft with external thread; b) rectangular threaded shaft:
c) cylindrical shaft.
5.2 1:10 conical shaft with external thread
JT9835.21999
5.2. The dimensions of diameter and length shall be in accordance with Figure 2 and Table 2. 5. 2. 2 Key and chain groove
The dimensions of chain and chain groove shall comply with the provisions of GRT1095 and GRT196. For Figure 1 only, select
Note: Data without brackets shall be preferred. 5.3 Rectangular spline shaft
5.3.1 The diameter and length of the rectangular spline shall be in accordance with the provisions of Figure 3 and Table 3. Outside
M10×1.25
M10×1.25
M24×2
M36×3
Short-shaped
#-15×12×4
5.3.2 Dimension tolerance and matching
6-20x16x1bzxZ.net
JB/T9835.2-1999
(-25 × 21 × 5
The dimensional tolerance and matching of rectangular splines shall comply with the provisions of GB/T1144, s.4 Cylindrical shaft
630 × 26 ×6
5.4.1 The dimension series of the diameter and length shall be in accordance with the provisions of Figure 4 and Table 4 and GA/T1569. 、
fE+pJ4
Light point
Length
To: Select the receipt with the receipt number: (16)
&38 × 32 × 6
842 ×36×7
5.4.2 Shaft
JB/T9835.2—1999
Divided into single end with internal thread and single end without internal thread. The internal thread size shall be selected in accordance with the provisions of GA/T1570. 5. 4. 3 Key
Flat key is used, and the size series of flat chain and chain strip shall be selected in accordance with GBT1095 and GB/T1096. 6 Marking
6.1 When marking, the shaft and flange should be marked at the same time. 6.2 Marking method of mounting flange:
Mounting flange
Flange stop type
Assembly type of bolt
Number of mounting holes (holes)
Type of mounting flange 6.2.1 The diameter of the flange is directly expressed as a numerical value. 6.2.2 Type of flange: Rectangular flange is expressed as "C". 6.2.3 The number of holes (slots) is directly expressed as "4". 6.1.4 Threaded hole assembly type: Hole (slot) is expressed as "H", threaded hole is expressed as "T", 6.2.5 Flange stop type: Short The t-end is indicated by "W", and the long stop is indicated by "". 6.3 Shaft marking method:
Shaft extension type
6.3:1 Shaft extension type: 1:10 round shaft extension with external thread is indicated by "P", and rectangular shaft extension is indicated by "R"; round shaft extension without internal thread is indicated by "E", and cylindrical shaft extension with internal thread is indicated by "G". 6.3.2 Shaft diameter: directly marked with numerical value.
6 .4 Marking examples
Reverse 1: Flange stopper with a short stopper diameter of 67mm, rectangular four-hole mounting flange, bolt assembly is a plain hole fit. Its mark is: Mounting flange 63C4HW
Example 2: A 1:10 tapered shaft extension with an external thread and a straight drop of 25mm, its mark is: Shaft extension F25
Example 3: Combine Example 1 and Example 2. Its mark is: Mounting flange 63C4HW/Shaft extension F25
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