Hook Type Grounding Block for Conductor Stringing – Eliminate Induced Electricity 100A

Product Overview

The SHL750D Hook Ground Block is a specialized grounding device designed for transmission line stringing operations. Its primary function is to remove induced electricity from the conductor or earth wire during stringing, protecting personnel and equipment from electrical shock. Featuring a triple sheave mechanism that is automatically compacted by torsion spring, the block provides reliable grounding contact. The maximum allowable current reaches 100A with a transit time of only 0.1 seconds. The recommended supporting earth wire cross-section is 25mm².

Technical Specifications

Applications

· Mount on outlet side of tensioner or inlet side of puller

· Eliminate induced electricity from conductor or earth wire

· Transmission line stringing safety grounding

· Temporary grounding during overhead line construction

Product Advantages

· Triple Sheave Mechanism — Three sheaves automatically compacted by torsion spring ensure reliable grounding contact with the conductor.

· Fast Current Transit — 0.1 second transit time rapidly diverts fault current, providing critical safety margin.

· 100A Current Capacity — Rated for 100A maximum current, suitable for transmission line induced current dissipation.

· Lightweight Design — At only 4.6-5.7kg, easily portable and installable by a single worker at height.

Frequently Asked Questions (FAQ)

Q: What is the purpose of a hook ground block?

A: It removes induced electricity from conductors during stringing, protecting workers from electric shack.

Q: Where should it be installed?

A: On the outlet side of the tensioner or the inlet side of the puller during stringing operations.

Q: What is the maximum current rating?

A: 100A maximum allowable current with 0.1 second transit time.

Q: What is the recommended grounding wire size?

A: The recommended supporting earth wire cross-section is 25mm².

Q: What materials are available for the sheave?

A: Aluminum alloy (SHL750D) for conductor applications and steel (SHG60D) for steel wire rope applications.

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 one of biggest warhouses about stringing tools for trasmission line construction for one-site purchase in China.

Now our goods export to 120 countries and we have more than 3000 clients. Our detailed product range include conductor stringing blocks,cable roller,hoisting tackles,pulley blocks,conductor grippers,cable reel stand,gin poles,inspection trolleys,hydraulic puller tensioner,conductor compressors,cable pulling winch,anti twisting wire steel rope and other construction tools and equipment company for electric power construction.

1) The company is equipped with high precision vertical machining center, horizontal machining center, CNC honing machine, CNC lathe, CNC milling machine and other advanced equipment, also equipped with a large horizontal lathe, lathe, punching machine, rocker large crane and polishing machine, electric welding machine and other general equipment, and the design and manufacture of nylon wheel casting machine and other special processing equipment and technology install.

2) The company's existing testing methods are in good condition, detection equipment is advanced and complete, the company set up the measurement room, laboratory, equipped with a horizontal tensile testing machine, tensile testing, vertical lifting tower hydraulic universal testing machine, hardness tester, salt spray test machine, hydraulic integrated test and testing equipment, from raw material incoming inspection to the factory inspection of products, can fully guarantee the quality control of parts and product performance.

3) The professional R & D capability is the premise of product innovation and technological progress. Many products of the group have their own intellectual property rights. They have obtained 6 invention patents, nearly 20 patents on utility models and designs. And many times included in the Ningbo municipal new product trial production plan and the national key new product plan.

On the basis of the implementation of the ISO9000 quality system management, the company carries out the special TS16949 management system of the automobile industry at a higher level.Welcome to Inquiry,please do not hesitate to contact me soon. Best regards,Peter Mao!