This standard specifies the type and size, technical requirements, inspection rules, packaging and marking of brush holders with constant force springs. This standard is applicable to brush holders supporting brushes on commutators and collector rings of AC and DC motors in general use. JB/T 2361-1992 Constant Pressure Brush Holders JB/T2361-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T2361
1992-06-26
Zhang Xianji
1993-03-01Xiaohuang
Ji Jia Kui Lu Wa Yi Li
JB/T23611992
This standard specifies the type and size, technical requirements, inspection rules, packaging and marking of brush holders with constant force spring (hereinafter referred to as brush holders).
This standard applies to brush holders supporting brushes on commutators and collector rings of AC and DC motors for general purposes. 2 Reference standards
IB5779
Basic technical requirements for rotating electrical machines
Brush grip for medium-sized machines
GB317G Tensile test method for metal sheets (strips) Type and size
3.1 Model and marking method
3.1.1 Box model representation
1 A- 32 × 25 × 64
Applicable electric specifications (mm)
Shaving disc material code
A: Cast aluminum brass ZCuZn31Al2
B: Cast silicon brass ZCuZn16Si4
C. Cast lead brass ZCuZn40Pb2
D: Cast aluminum alloy ZAISi9Mg
E: Yellow steel plate H62
Number of horizontal constant force springs, no number to indicate the same structural type of brush box flip plate
2: Double holes
Number of brush disc holes
1 Single
3.1.2 Structural type and code of brush box
The structural type and code of brush box shall be as specified in Table 1. Z. Straight box X: Oblique box
Bound type
Single hole straight brush
Single hole straight brush box
3.1.3 Representation of clamp model
1992-06-26
Structural type
Double hole straight box
Single hole oblique brush box
1993-03-01 Small cable
JB/T23611992
Nominal elastic force of spring (N)
Serial number of same type
Structure: V type
When the clamp model is indicated alone, the applicable brush specifications need to be added after this model. The method for adding the applicable brush specifications is shown in 3.1-1 Representation of brush box model,
3.1.4 Shaver model
Combined with shaver box and brush model
HZ12-1A-32X25X64/IJ1-18.1 Clip model
Brush box model
3.1.5 Marking example
Brush plate inner hole size t=32, =25, the highest size of the brush that can be installed r=64: constant pressure spring 1, brush box material is cast aluminum alloy 7CuZn31A12, clip model is U1, spring nominal force 18.1N The single hole straight brush holder is marked as: brush H212-1A-32×25X64U1-18.1
brush clamp modelbzxZ.net
3.2 structure type of auxiliary grip
brush box model
3.2.1 HZ11 single hole straight brush holder shall comply with the provisions of Figure 1, Figure 2 and Table 2. Figure 1
40/541
JB/T23611992
44/54m
Note: 1), when the size is 40, the corresponding I1 size is 65. When the h1 size is 44: when the r size is 64, the corresponding H size is U0, and the h size is 54. 3. 2. 2 HZ12-1, H12-2 single hole true grip shall comply with the provisions of Figure 3 and Table 3. 32
JB/T2361
11212-
3.2.3HX11 single hole oblique grip according to the provisions of Figure 4 and 1, Figure 1
3.2.4H7.21 double hole grip according to the provisions of Figure 5 and Table 5. 4
FZ12-2
Type code
H2121H212-2
4Technical requirements
JB/T2361
4.1 The brush holder should be able to work normally for a long time under the temperature rise limit of the commutator and the collector ring specified in GB755. 4.2 According to the use requirements of the constant force spring, the brush should be equipped with an insulating part to avoid the spring from conducting. 4.3 The outer dimensions H.BL of the brush holder shall not be larger than the nominal dimensions specified in Table 2~Table 5. 4.4 The technical requirements, dimensions and recommended materials of the main parts of the brush holder are as follows. 4.4.1 The main dimensions of the brush box shall be as specified in Appendix A. The box materials and material codes are shown in Table 6. Table G
Material name and code
Aluminum brass ZCuZn31.A12
Siliconized brass ZCuZn16Si-1
Chromed brass 7C.nZn-0Ph2
Cast alloy ZAISi9Mg
Yellow plate H62 (applicable to brush box making) 55
Country code
Note: 1) When using brass H62, its main dimensions shall comply with this standard. The size can be negotiated between the user and the manufacturer. 4. 4. 2 The main dimensions of the clip manufacturing shall be in accordance with Appendix A. Elastic materials such as semi-hard ICrINi9 cold-rolled stainless steel strips shall be used, so there must be a certain elasticity, which is specified by the manufacturer in the drawing.
4.4.3 Rivets
Use copper Cu3 or stainless steel
4.4.4 The technical requirements and dimensions of the resistance spring shall be in accordance with Appendix B. The spring steel strip shall be made of 2Cr19Ni9Mu. 4.5 After the resistance spring is fixed on the surface, the spring and the clip shall have no visible damage. JB/T23611992
4.6 The dimensional deviation of the stripping box hole u and: shall be in accordance with the E10 specified in JL 5779. 4.7 The surface roughness Ra value of the inner hole of the brush box is 3.2. 4.8 The surface of the shaved box shall be free of visible burrs, flash, cracks and other defects. 5 Inspection rules
5.1 The outer dimensions of the brush box shall be inspected with general measuring tools, and the internal dimensions of the brush box shall be inspected with plug gauges specified in JB 5779. 5.2 The surface quality of the shaved surface shall be tested with a meat cloth. 5.3 The positive force of the spring shall be tested according to the provisions of Appendix B. 5.4 The elastic force of the clip (V type, LF type) shall be tested with a spring dynamometer. The test pressure point is between the cutting edge and the nail (see Figure 6, Figure 7). V
5.5 The acceptance rules and other inspection items of the brush grip shall be agreed upon by the supplier and the buyer. 6 Packaging and marking
6.1 After the product is packaged, it should be able to ensure that the product is not damaged under normal transportation and storage conditions. The packaging form and method shall be determined by the manufacturer. 6.2 Packaging outer clothing marking
Manufacturer! Name,
Product name and model,
Standard number:
Product quantity,
Gross weight, net weight (kg)
Length, width and height of the package (mm);
Manufacturing or delivery period,
6.3 The user should keep it in a room without harmful gases such as acid, sulfur dioxide, and humidity not exceeding 90%. Under normal use conditions, the manufacturer should ensure that the brush holder is in good use within one year. If it is damaged or cannot work normally due to poor manufacturing within this specified time, the manufacturer should repair or replace parts or brushes for the user free of charge. 6
JB/T23611992
Main dimensions of brush box and clip
(Supplement)
A1HZ1I type single hole straight brush holder main dimensions of the brush box shall be in accordance with Figure A1, Figure A2, Figure A3 and Table A1, Table A2, Table A3. T
14±0, 2
JB/T2361
Note: 1) When H1 size is 30, the corresponding size is 24. When H1 size is 10, the corresponding h1 size is 54. Ht
33/46447541)
JB/T2361
The main dimensions of the brush box for H7.12 type single hole straight brush holder shall be in accordance with Figure A4 and Table A4. 42
FIX1I The main dimensions of the brush box for single-hole oblique brush holder shall be in accordance with the provisions of Figure A5 and Table A>9
JB/T2361
—A Nuclear Transfer
44H221 The main dimensions of the double-hole straight brush holder shall be in accordance with the provisions of Figure A6 and Table A6. 15
JB/T2361
The structure type and size of the brush holder for HZ11, 1IX11, HZ21 type shall be selected in accordance with Figure A and Table A7. A5
6 ±0 05
Applicable electric
brush height
,2 - 42.1
Dimensions are determined by the manufacturer
A6HZ.12-1 brush holder with single spring ignition clamp U1 structure and dimensions are as specified in Figure A8, HZ12-2 brush holder with double spring clamp U2 structure and size are as specified in Figure A9
6 ± 0. 05
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