This standard specifies the terminology, types and basic parameters of crane sliding transmission devices. JB/T 6391.1-1992 Crane sliding transmission device type and basic parameters JB/T6391.1-1992 Standard download and decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
Crane sliding connection power transmission device
Type and basic parameters
1 Subject content and scope of application
This standard specifies the crane sliding connection power transmission device Terminology, types and basic parameters of the device. JB/T 6391.1--92
This standard applies to sliding connection power transmission devices (hereinafter referred to as devices) that provide electric energy to other mobile power receiving equipment such as lifting machinery and transportation machinery for various purposes working indoors or outdoors. ) and its accessories, its rated voltage is AC 1200V and below, operating frequency is 50Hz, and DC is 1500V and below.
Note: Mobile powered equipment with an operating frequency of 60Hz can be used equally. 2 Reference Standards
GB156 Rated Voltage
GB2900.1 Basic Electrical Terminology
GB2900.18 Electrical Terminology Low Voltage Electrical Appliances
3 Terminology
3.1—General Terminology
Relevant terms and their definitions that are not specified in this standard can be found in GB2900.1, GB2900.183.2 Special terms and their definitions
3.2.1 Sliding transmission device
External It has reliable insulation protection, built-in transmission guide rails, and relies on dynamic contact to provide electric energy to mobile power-receiving equipment.
3.2.2 Sliding transmission conduit (referred to as sliding conduit) is a semi-enclosed conduit with a continuous open slot. It is equipped with one or more poles of transmission guide rails insulated from the shell. The conduit can be walked and assembled. Electrical appliances.
3.2.3 The sliding transmission conductor (referred to as the sliding conductor) adopts a continuous opening insulating shell to cover the sliding transmission conductor. The collector is inserted into the sliding transmission conductor through the opening. 3.2.4 Transmission guide rail
is in the sliding conduit or wire, carries current, and serves as a conductor for the current collector to slide to the moving track. 3.2.5 Number of poles
Number of transmission rail buses in the device
3.2.6 Shell
The outermost part of the sliding conduit or wire exposed to the space. 3.2.7 Insulating support
The part that effectively insulates and supports the transmission guide rail within the sliding conduit or conductor 3.2.8 Orphan-shaped sliding conduit or conductor
Ministry of Mechanical and Electronics Industry of the People's Republic of China 1992 -07-14 Approved 16
1993-07-01 Implementation
Made into a certain arc-shaped sliding conduit or wire. 3.2.9 Maintenance unit
JB/T 6391.1—92
A unit that provides a power-off maintenance location for mobile powered equipment or a power-off maintenance location for current collectors. 3.2.10 Thermal expansion compensation unit
is a unit used to compensate for the changes in the length direction of sliding conduits or wires after being heated. 3.2.11 Top power supply
A unit that introduces power to the end of a sliding conduit or wire. 3.2.12 Intermediate power supply
A unit that introduces power to a point in the middle of a conduit or wire. 3.2.13 End cap
A unit that closes and insulates the end of a sliding conduit or conductor. 3.2.14 Current collector
is a unit that synchronously transmits electric energy to the mobile power receiving equipment through the sliding contact of the collector brush with the transmission guide rail in the sliding conduit or wire. 3.2.15 Guide tube
The current collector enters the guide unit of the sliding conduit or wire from the outside. 3.2.16 Collector brush
The component in the collector that transmits electric energy through contact with the transmission rail. 3.2.17 Tractor
The transmission unit that provides walking power to the collector from the mobile power receiving equipment. 3.2.18 Tension traction device
A traction device that applies tension to the transmission guide rail of the sliding conductor. 3.2.19 Suspender
A unit that hangs or installs sliding conduits or wires on fixed brackets. 3.2.20 Rated working voltage
The maximum voltage between poles of the device is the rated working voltage. 3.2.21 Rated current
The safe current allowed to be carried by the device under normal indoor use conditions, with a power continuity rate of 100% and an ambient temperature of 40C. 4 Product Category
4.1 Type and Code
Devices are divided into structural types:
Sliding transmission conduit device—.—Code QHG, see Figure 1; Sliding transmission conductor device— …——Code name QHA, see Figure 2. 17
4.2 Basic parametersbzxz.net
slinger
collector brush
collector
most hanger| |tt||Insulating shell
Transmission rail
Collector
Collector
tractor
Door
JB/T6391.1 —92
suspension bracket
piece
disconnection catheter
tractor
Picture 1
Picture 2
Crane
Connecting wires
Lifting village
The basic parameters are expressed by the nominal cross-sectional area of ??the transmission guide rail (mm\), and its value should preferably conform to the following sequence: 6,10,16.25.35 ,50.70.95.120,150,185,240,300.400.500,630,800,1 000.4.3 Model representation method
a. Sliding transmission conduit or wire is represented as: 18
:
0-0-0/0
Doorway
Current collector is represented as:
b .
JPD - -
JB/T 6391.1
92
Workplace: Not indicated indoors; \W" indicated outdoors. Shell material: Engineering plastics *S " means; the metal shell uses \J" to mean the rated current of each pole under specified conditions, A
- Number of poles of the transmission rail: expressed in Arabic numerals: Single pole is not represented - Nominal cross-sectional area of ??the transmission rail.mm| |tt||Sliding transmission conduit or conductor type code
Under the specified conditions, the rated current of each pole of the collector, the number of poles of the sliding transmission conduit or conductor equipped with A is represented by Arabic numerals, single pole does not represent the collector Appliance code
4.4 marking example
The nominal cross-sectional area of ??the 4-pole transmission guide rail is 50mm, the rated carrying capacity is 180A, the engineering plastic shell, and the crane sliding conduit used indoors are expressed as: ||tt| |Sliding conduit
QHG-50-4/180-SJB/T 6391.1
1-pole power transmission guide rail, nominal cross-sectional area 16mm2, rated current 80A, engineering plastic shell, used for outdoor starting The heavy sliding wire is expressed as:
The sliding wire QHA~16/80-S-WJB/T6391.1 A four-pole current collector with a brush rated current of 100A per pole is expressed as: collector JD-4- 100JB3/T6391.1
A unipolar current collector with a brush rated current of 180A per pole is expressed as: collector JD-180JB/T6391.1
Additional instructions:
This standard This standard was proposed and compiled by the Beijing Hoisting and Transportation Machinery Research Institute of the Ministry of Mechanical and Electronic Industry. This standard is drafted by Wuxi Sliding Electrical Apparatus Factory and the Beijing Hoisting and Transportation Machinery Research Institute of the Ministry of Mechanical and Electronic Industry. The main drafters of this standard are Wei Sirun, Xiao Liqun and Qian. Roots. 19
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