Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"Durable Dual Cam Earth Wire Gripper with 10-30KN Rated Load for 11-15mm Wires","imgUrl":"https:\/\/img.chinax.com\/nimg\/26\/59\/0b8c826746b833968ee0b1778e2a-200x200-1\/durable_dual_cam_earth_wire_gripper_with_10_30kn_rated_load_for_11_15mm_wires.jpg","attrs":{"Brand Name":"Suntech","Model Number":"SKDS-1","Certification":"ISO","Place of Origin":"Ningbo"}}
{"title":"1-18KG Come Along Clamp with 13-26mm Max Open and 80KN Max Load for Secure Cable","imgUrl":"https:\/\/img.chinax.com\/nimg\/f0\/c0\/52d3adf44d2c827b7d36b4fba420-200x200-1\/1_18kg_come_along_clamp_with_13_26mm_max_open_and_80kn_max_load_for_secure_cable_handling.jpg","attrs":{"Brand Name":"Suntech","Model Number":"Come Along Grip","Place Of Origin":"Ningbo","Certification":"ISO"}}
{"title":"Professional ISO Certified Come Along Clamp with 1 Inch Jaw Opening and 25KN","imgUrl":"https:\/\/img.chinax.com\/nimg\/01\/d8\/1ba7954f6bbf0d1d6af906bc6491-200x200-1\/professional_iso_certified_come_along_clamp_with_1_inch_jaw_opening_and_25kn_45kn_rated_load_for_cable_pulling.jpg","attrs":{"Brand Name":"Suntech","Model Number":"Come Along Grip","Place Of Origin":"Ningbo","Certification":"ISO"}}
{"title":"Bolt Type Anti Twist Steel Rope Gripper with 80KN Max Load and 13-26mm Max Open","imgUrl":"https:\/\/img.chinax.com\/nimg\/f8\/e5\/fca6564b69483ef674212052e175-200x200-1\/bolt_type_anti_twist_steel_rope_gripper_with_80kn_max_load_and_13_26mm_max_open_for_secure_cable_pulling.jpg","attrs":{"Brand Name":"Suntech","Model Number":"Come Along Grip","Place Of Origin":"Ningbo","Certification":"ISO"}}
{"title":"Compact And Lightweight Come Along Clamp with Ratcheting Mechanism for 16-18MM","imgUrl":"https:\/\/img.chinax.com\/nimg\/0b\/41\/7eb6449021a99b1a69fafcfcebea-200x200-1\/compact_and_lightweight_come_along_clamp_with_ratcheting_mechanism_for_16_18mm_steel_rope.jpg","attrs":{"Brand Name":"Suntech","Model Number":"Come Along Grip","Place Of Origin":"Ningbo","Certification":"ISO"}}
{"title":"Aluminum Alloy Come Along Clamp with 1 Inch Jaw Opening for 16-18MM STEEL ROPE -","imgUrl":"https:\/\/img.chinax.com\/nimg\/95\/5f\/8091ad7df4539f5764c1d5294e11-200x200-1\/aluminum_alloy_come_along_clamp_with_1_inch_jaw_opening_for_16_18mm_steel_rope_heavy_duty_and_long_lasting.jpg","attrs":{"Brand Name":"Suntech","Model Number":"Come Along Grip","Place Of Origin":"Ningbo","Certification":"ISO"}}
{"title":"Heavy-duty Come Along Clamp with Max Load 80KN and Max Gap 15mm for Lifting and","imgUrl":"https:\/\/img.chinax.com\/nimg\/62\/f7\/e3b82a548fe7c527d681bef9dc59-200x200-1\/heavy_duty_come_along_clamp_with_max_load_80kn_and_max_gap_15mm_for_lifting_and_pulling_heavy_objects.jpg","attrs":{"Brand Name":"Suntech","Model Number":"Come Along Grip","Place Of Origin":"Ningbo","Certification":"ISO"}}
Durable Dual Cam Earth Wire Gripper for Long Term Reliability on Overhead Ground Wire Installations
Item number
Model
Applicable Steel
Rated Load
Applicable Wire
Weight(KG)
Strand
(KN)
Diameter
13141
SKDS-1
GJ25-50
10
11
2.6
13142
SKDS-2
GJ50-70
20
13
3.1
13143
SKDS-3
GJ70-120
30
15
4.1
The Dual Cam Earth Wire Gripper is a specialized and highly reliable termination device designed for the permanent anchoring and tensioning of overhead ground wires (OHGW) and Optical Ground Wire (OPGW) on electrical transmission towers and poles. Unlike simple bolted clamps, its innovative design features two opposing, curved wedge elements (cams) that work in tandem within a sturdy housing. As tension is applied to the earth wire, these cams are drawn inward, creating an immense and self-amplifying gripping force that locks the conductor securely without causing crushing damage to the delicate aluminum or aluminum-clad steel strands. This mechanism provides a vibration-resistant, non-slip hold that is absolutely critical for dead-end structures, where the full mechanical tension of the line must be permanently and safely transferred to the support structure. It is the industry-preferred solution for ensuring the long-term integrity and reliability of a transmission line's lightning protection and grounding system.
Provides Exceptionally Secure and Permanent Termination: The core function is to create an unwavering anchor point. The dual-cam mechanism converts linear tension on the wire into radial compressive force. The more tension applied, the tighter the cams grip, creating a failsafe, self-locking connection. This ensures the earth wire remains fixed at its designed tension indefinitely, resisting creep, slippage, and the tremendous forces from wind and ice loading over decades of service.
Protects Conductor Integrity with a Non-Damaging Grip: Traditional bolted clamps can crush or notch individual strands, creating weak points and stress risers. The dual-cam design grips the conductor with uniform pressure over a large surface area. This distributes the clamping force evenly, preventing localized damage to the aluminum strands or the optical fibers within an OPGW, thereby preserving the wire's full mechanical strength and electrical conductivity.
Engineered to Dampen Aeolian Vibration: Overhead wires are susceptible to wind-induced vibrations (aeolian vibration), which can cause fatigue failure at termination points. The design and mass of the dual-cam gripper help to dampen these vibrations. Its secure, distributed grip prevents the micro-movements that lead to fretting and fatigue, significantly extending the service life of the termination and the wire itself, especially in high-wind areas.
Simplifies Installation and Tensioning Process: The gripper is designed for efficient field installation. The earth wire is simply placed between the cams, and as tension is applied using a winch or puller, the cams automatically engage and lock. This streamlines the dead-ending process, reduces installation time, and minimizes the potential for human error compared to complex bolting and torquing procedures of other clamp types.
Ideal for Sensitive OPGW Cables: This gripper is particularly advantageous for terminating OPGW, which contains fragile glass fibers. The uniform, non-crushing grip safeguards the internal fiber optic units from pinching or microbending, which could degrade optical signal performance. It is the recommended termination method by many OPGW manufacturers to ensure their warranty and performance specifications are met.
Corrosion Resistant for Decades of Service: Manufactured from high-strength aluminum alloy or hot-dip galvanized steel, the gripper is built to withstand harsh environmental exposure. It resists corrosion from rain, humidity, and atmospheric pollution, ensuring the clamping force and mechanical integrity are maintained for the lifetime of the transmission line, often exceeding 40 years.
Maintenance-Free and Long-Lasting Performance: Once properly installed and tensioned, the dual-cam gripper requires no further maintenance, adjustment, or re-torquing. Its self-sustaining locking mechanism remains effective indefinitely, providing a true "install and forget" solution that reduces lifecycle costs and inspection burdens for utility operators.
Ensures System Reliability and Safety: A failed earth wire termination can compromise the entire lightning protection system of a transmission line, leading to increased outage risks. The reliability of the dual-cam gripper directly contributes to grid resilience by ensuring the ground wire/OPGW remains securely anchored, providing a continuous, low-impedance path to earth for fault and lightning currents.
A Standard for High-Voltage Transmission Line Construction: The dual-cam gripper is a globally recognized and specified component for dead-ending earth wires and OPGW on major transmission projects. Its use signifies adherence to industry best practices and engineering standards for building robust, long-life power infrastructure.
A Smart Investment in Infrastructure Longevity: While representing a precision component, its cost is minimal compared to the value of the conductor it secures and the critical function it provides. By preventing premature failure and eliminating maintenance, it offers an outstanding return on investment by safeguarding the transmission asset for its full operational lifespan.
In summary, the Dual Cam Earth Wire Gripper is a masterclass in simple, intelligent mechanical design applied to a critical challenge. It provides a supremely strong, self-energizing, and protective grip that is essential for the permanent and reliable termination of overhead ground wires and OPGW. It is not just a clamp; it is a fundamental guarantee of the mechanical security and long-term performance of a transmission line's vital grounding system.
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 ...
