This standard specifies the block brake connection dimensions. This standard applies to block brakes of various driving modes. JB/T 7021.1-1993 Block brake connection dimensions JB/T7021.1-1993 Standard download and decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
Block Brake
Subject Content and Scope of Application
This standard specifies the connection dimensions of block brakes
This standard is applicable to all A type of drive type block brake (hereinafter referred to as the brake). 2 Reference standards
JB/T7021.2 Block brake brake pads JB/T7021.3 Block brake brake pads 3 Connection dimensions
3.1 The dimensions of the brake shoes should comply with JB /T7021.2 regulations. 3.2 The size of the brake pad should comply with the regulations of JB/T7021.3. JB/F 7021,1--93
3.3 The structural type of the brake is not required to match the diagram, but its connection dimensions should comply with the following diagram and table. K
Ministry of Machinery Industry of the People's Republic of China approved on 1993-09-21 166
implemented on 1994-07-01

D
160||tt ||200
250
315
400
500
630
710
800
Additional notes:
h
132
160
190
230
280
340
120
470
530
115
140
170
212
260
320| |tt||390
440bzxz.net
510
JB/T7021.1
70
75
95
118
150
190
236
265
310
93
5
65| |tt||70
90
110
140
180
225
255
280||tt ||This standard was proposed by the Beijing Hoisting and Transport Machinery Research Institute of the Ministry of Machinery Industry and is owned by L1. This standard is drafted by Jiaozuo Brake Factory. The main drafters of this standard are Chen Guangming, Wang Zhifang, Liu Wusheng and Bai Jie. X
K
130
145
180
220
270
325
400| |tt||450
520
55
55
65
80
100
130||tt ||170
190
210
mm
d
14
14
18
18
22
22
27
27
167
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