JB/T 9005.5-1999 JB/T 9005.5-1999 Casting pulley for crane, type B JB/T9005.5-1999 Standard download decompression password: www.bzxz.net

JB/T9005.5—1999
This standard adopts D1N15418:1982 Part 1 to Part 3 "C-type wire rope pulley" in a non-equivalent manner. This standard is a revision of ZBJ80006.5-87 "Cast pulley type B for cranes". During the revision, only editorial changes were made to the original standard, and the main technical content remained unchanged. This standard is part of the JB/T9005 series of standards "Cast pulleys for cranes", which includes the following 10 parts: JB/T 9005. ---1999
JB/T 9005.2-
JB/T 9005.3—1999
JB/T 9005. ---1999
JB/T 9005.5—1999
JB/T 9005. 6-1999
JB/T 9005. 7—1999
JB/T 9005.8
JB/T 9005. 9-1999
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Cast pulley for crane
Rope groove section
Diameter selection series and matching
Type, hub and bearing size
JB/T9005.10-1999
Technical conditions
Cast pulley for crane
This standard replaces ZBJ80006.5-87 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. 421
1 Scope
Machinery Industry Standard of the People's Republic of China
Casting sheaves for cranes
Type B- Casting sheaves for cranesJB/T 9005.5--1999
Replaces ZBJ80006.5-87
This standard applies to cast wire rope pulleys (hereinafter referred to as pulleys) with rolling bearings and no inner sleeves that require tight sealing within the scope of crane movable pulley blocks.
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 is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T931987 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 Grade 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 B pulleys are divided into Type B, (with deep groove ball bearings) and Type B, (with cylindrical roller bearings) according to the different types of rolling bearings they use. The types and dimensions of Type B pulleys are detailed in Figure 1 and Table 1. Marking example:
Wire rope diameter d = 25mm, pulley diameter D = 630mm and diameter D, = 90mm B-type pulley, marked as: pulley B, 25 × 630-90JB/T9005.5-1999National Machinery Industry Bureau1999-06-28Approved422
2000-01-01Implementation
JB/T 9005.5 -. 1999
Figure 1B type
Rolling bearing code
Hexagon head bolt hexagon nut
GB/T5782
According to GB/T276According to G13/T283
(Extended)
M8×75
M10X85
M10×90
M10×90
M10×105
M10X10
M10X120
M10X125
M12×130
M12×130
Spring washer
GB/T6170GB/T93
Bolts, nuts
Nuts and springs
Number of washers
360135
JB/T9005.5-1999||tt ||Table 1 (end)
Code of rolling bearing
Hexagon head screw hexagon nut
Spring washer bolt, screw
nut and spring
GB/T5782
According to GB/T276
According to GB/T283
(extended)
GIB/T6170GB/T93
M12×140
M12X1 45
M12×155
M12X155
M12X160
M12×165
M16×190
Note: To facilitate the installation of the pulley, the axial clearance on each side should be specified to be at least 1mm in the connection structure. For the dimensions of the spacer sleeve (AT or BT) and spacer ring (H) for 3.2B type pulley, please refer to Figures 2 to 4 and Table 2. Marking example:
The spacer (AT) for the B-type pulley with diameter D = 90mm is marked as: spacer AT90JB/T9005.51999
The spacer (BT) for the B-type pulley with diameter D = 90mm is marked as: spacer BT90JB/T9005.5—1999
The spacer (H) for the B-type pulley with diameter D = 160mm is marked as: Spacer ring H160JB/T9005.5-1999
(When installing one pulley on the pulley shaft)Figure 2 Spacer sleeve (AT)
(B,=2B,-5)
(When installing multiple pulleys in parallel on the pulley shaft)Figure 3 Spacer sleeve (BT)
Number of washers
Figure 4 Spacer ring (H)
Sleeve (AT)
Weight of a single piece!
JB/T9005.5—1999
Sleeve (BT)
1) When multiple pulleys are installed in parallel on one shaft, the length of the spacer sleeve (BT) is B=2B;5. Unit weight
3.3 The dimensions of the cover (AG or BG) for type B pulley are detailed in Figure 5 and the specified marking examples in Table 3:
Shaft seal cover (BG) for type B pulley with diameter D) = 160mm, marked as 1),
Ring (H)
Unit weightbzxZ.net
JB/T9005.5—1999
Cover BG160 JB/T9005.5—1999
Groove seal cover (AG)
Enlarged part II
Shaft seal cover (BG)
Figure 5 Cover
Enlarged part 1
JB/T 9005.5 --1999
Kidney-type rubber
Oil seal according to
GB/T 9877.1 | | tt | | 70 × 95 × 10 | | tt | | 80 × 105 × 10 | | tt | | 80 × 105 × 10 | | tt | 0×170×12
140×180X15|| tt||150×190×15
160X200×15
170×200×15
180×210×15
190×220×15
200X230X15
220X250X
220×250×
240X270
Weight per piecekg
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