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80KN Ending Block: Heavy-Duty Terminal Conductor Stringing Block with Open Side Plate
Product Overview
The SH30J - SH80J series Ending Block is a specialized terminal pulley designed for the final stages of overhead power line construction. Specifically engineered to tighten up conductor wires, this block acts as the last pulley in the stringing sequence. Its robust steel construction and openable side plate design allow for rapid line insertion and removal, significantly improving operational efficiency in high-tension environments.
Technical Specifications
Our ending blocks are available in multiple load capacities to meet diverse transmission project requirements:
Item Number
Model
Rated Load (KN)
Sheave Diameter (mm)
Sheave Width (mm)
Weight (kg)
12191
SH30J
30 KN
Φ140 mm
36 mm
5.3 kg
12192
SH50J
50 KN
Φ160 mm
48 mm
9.0 kg
12193
SH80J
80 KN
Φ180 mm
56 mm
16.5 kg
Rotation: Silence Rotation System for smooth traction
Feature: Convenient Side Plate Opening mechanism
Material: High-strength Steel Sheave and Frame
Key Technical Advantages
Rapid Line Construction: The side plate can be opened easily, making it highly convenient for linemen to position the conductor during terminal tightening
High Tension Capacity: With a maximum rated load of 80KN, it provides superior reliability for heavy-duty conductor tensioning
Silence Rotation Technology: Built-in precision bearings ensure a "silence rotation" effect, reducing friction and extending the service life of the hauling rope
Durable Build: ISO9001 certified manufacturing ensures each block withstands harsh field conditions in power utility projects
Applications
Terminal Stringing: Used as the final block in the stringing sequence to finalize conductor tension
Conductor Tightening: Essential for adjusting sag and securing conductors at end-tower positions
Overhead Line Maintenance: Reliable tool for re-tensioning existing transmission lines
Professional Buyer FAQ
Q1: What is the main advantage of an "Ending Block" compared to standard stringing blocks?
The Ending Block is specifically designed for the tightening phase. The side-opening feature allows it to be installed or removed even when the conductor is already under partial tension, which is crucial for terminal tower operations.
Q2: Can the SH80J model handle ACSR conductors?
Yes, with a sheave width of 56mm and an 80KN load rating, it is suitable for various ACSR (Aluminum Conductor Steel Reinforced) sizes commonly used in high-voltage lines.
Q3: Is the sheave made of nylon or steel?
To handle the extreme pressures of terminal tightening (up to 80KN), these models utilize high-strength steel sheaves for maximum durability.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2014
Total Annual:
1000000-5000000
Employee Number:
110~150
Ecer Certification：
Verified Supplier
Ningbo Suntech Power Machinery Tools Co.,Ltd. is one of the leading and preferred manufacturers and suppliers in China,and deal with electrical facilities products start from year 1995.We have own main product line for stringing blocks,hydraulic Cable Stands,Anti Twist Steel Wire Rope,etc with ... Ningbo Suntech Power Machinery Tools Co.,Ltd. is one of the leading and preferred manufacturers and suppliers in China,and deal with electrical facilities products start from year 1995.We have own main product line for stringing blocks,hydraulic Cable Stands,Anti Twist Steel Wire Rope,etc with ...
