JB/T 9005.4-1999 JB/T 9005.4-1999 Casting pulley for crane, type A JB/T9005.4-1999 Standard download decompression password: www.bzxz.net

JB/T 9005.4--1999
This standard adopts DIN15421:1982 Part 1 to Part 3 "B-type wire rope pulley" and DIN15422:1982 Part 1 and Part 3 "A-type wire rope pulley". This standard is a revision of ZBJ80006.4-87 "Cast pulley type A for crane". Only editorial changes were made to the original standard during the revision, and the main technical content remained unchanged. This standard is part of the JB/T9005 series of standards "Cast Pulley for Crane", which includes the following 10 parts: JB/T9005.1—1999
Cast Pulley for Crane
JB/T 9005.2-1999
JB/T 9005.3—1999
JB/T 9005.4-1999
JB/T 9005.5--1999
JB/T 9005.6--1999
JB/T 9005.7.--1999
JB/T 9005.8--1999
JB/T 9005.9
JB/T 9005.10-
—1999
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Rope groove section
Selection series and matching
Type, hub and bearing size
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Technical conditions
This standard replaces ZBJ80006.4-87 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Standardization of Hoisting Machinery. The responsible drafting unit of this standard: Dalian Daqi Group Co., Ltd. The main drafters of this standard are Zhou Yu'an and Cui Zhenyuan. 414
1 Scope
Standard of the Machinery Industry of the People's Republic of China
Casting sheaves for cranes
Type A ---Casting sheaves for cranesJB/T9005.4---1999
Replaces ZBJ80006.4--87
This standard applies to cast wire rope pulleys (hereinafter referred to as pulleys) with rolling bearings and inner sleeves that require tight sealing within the scope of the movable pulley block of the crane.
Other pulleys in wire rope transmission, such as fixed pulleys or other load-bearing parts except movable pulley blocks, can also use pulleys specified in this standard.
2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard was published, the versions shown were all valid. All standards are subject to revision. Parties using this standard should explore the possibility of using the latest version of the following standards. GB/T 93--1987
Standard spring washers
GB/T276-1994 Rolling bearings Deep groove ball bearings Dimensions GB/T283--1994 Rolling bearings Cylindrical roller bearings Dimensions GB/T5782-1986 Hexagonal head bolts Grade A and B GB/T 6170-1986
I-type hexagonal nuts Grade A and B
GB/T9877.1-1988 Rotating shaft lip seals Structural dimensions series Part 1: Internal skeleton rotating shaft lip seals 3 Types and dimensions
3.1 Type A pulleys are divided into Type A, Type (with deep groove ball bearings) and Type A2 (with cylindrical roller bearings) according to the different types of rolling bearings used. The type and size of A-type pulleys are detailed in Figure 1 and Table 1. Marking example:
A-type pulley with wire rope diameter d=25mm, pulley diameter D=630mm and diameter D,=90mm, marked as: pulley A25×630-90JB/T9005.4--1999Approved by the State Machinery Industry Bureau on 1999-06-28, implemented on 2000-01-01
110130230
65110548.4
48,4
JB/T 9005.4-.. 1999
Figure 1A type
Rolling bearing code
According to GB/T276According to GB/T283
Hexagonal head bolt
Hexagonal nut
Spring heat sink
According to G/T5782
According to GB/T6170According to GB/T93
(Extended)
M8×80
M10x85
M10x85||t t||M10x90
M10X90
M10×105
M10x110
M10×120
M10×125
M12×130www.bzxz.net
M12X130
M12X140
M12X145
Bolts, nuts
Nuts and springs
Number of washers
185 88. 4
220106,4
JB/T9005.4-·1999
Table 1 (end)
Rolling bearing code
According to G3/T276|According to GB/T283
Hexagonal head bolt
Spring washer
Hexagonal nut
According to GB/T5782
According to GB/T6170According to GB/T93
(extended)
M12×155
M12×160
M12X165
M16X 190
M16×190
Note: To facilitate the installation of the pulley, the axial clearance on each side should be specified in the connection structure to be at least 1mm2M12
3.2 The dimensions of the inner sleeve (T) and spacer (H) for type A pulleys are detailed in Figures 2, 3 and Table 2. Example of marking:
Inner sleeve (T) for type A pulleys with diameter D, = 90mm and length B; = 145mm. Marked as: inner sleeve T90X145JB/T9005.41999
Spacer (H) for type A pulleys with diameter D, 200mm, marked as: Spacer H200JB/T9005.41999
Ha - Dg- L
Inner sleeve (T) in Figure 2
Bolts, nuts
Nuts and springs
Number of washers
Inner sleeve
JB/T9005.4.. 1999
Spacer ring (H)
Unit weight
Unit weight
JB/T9005.4-1999
3.3For the dimensions of the cover (AG or BG) for type A pulley, please refer to Figure 4 and Table 3. Marking example:
Groove seal cover (AG) for type A pulley with diameter D, = 200 mm, marked as: Cover AG200JB/T9U05.4--1999
1 Part enlargement
Groove seal cover (AG)
[Part enlargement
Shaft seal cover (BG)
Figure 4 Cover
JB/T9005.4—1999
Skeleton rubber
Oil seal according to
GB/T 9877. 1
60×85×
70×95X10
100×125×12
20 × 160X 12
10 × 180
160X200×15
X200 X15
180×210×15
200×230×1
Unit weight
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