The excavator hydraulic shear, also known as an excavator demolition shear, is a specialized shearing device mounted on the front of an excavator and driven by hydraulic power. It mainly consists of a jaw, hydraulic cylinder, movable jaw, fixed jaw, and connecting components. By interfacing with the excavator’s hydraulic system, it achieves precise shearing and dismantling of hard materials such as metal and concrete. No additional power source is required; it can directly utilize the excavator’s power output to complete the operation. Compared to traditional fixed shearing equipment, the Excavator Hydraulic Shear offers advantages such as mobility and adaptability, allowing it to follow the excavator through various complex work scenarios, significantly expanding the application range of shearing operations. Contact YG now for more product details.
Excavator Hydraulic Shear Parameter
| Product | Excavator-mounted hydraulic demolition shear for waste scrap rebar | ||||
| Item | YG-620 | YG-1413 | YG-2200 | YG-2977 | YG-4052 |
| Weight kg | 620 | 1413 | 2200 | 2977 | 4052 |
| Max. Open Size mm | 334.4 | 540 | 500 | 660 | 801 |
| Width mm | 864 | 1175 | 1370 | 1600 | 1700 |
| Height mm | 1521 | 2050 | 2380 | 2600 | 2700 |
| Effective Shear Depth mm | 286 | 348 | 486 | 578 | 736 |
| Rotating Way | 360 collision | 360 hydraulic | |||
| Working Pressure Bar | 235 | 300 | 320 | 320 | 320 |
| Bottom Shear Force T | 81.2 | 138.2 | 171.2 | 330.2 | 387.2 |
| Medium Shear Force T | 50.2 | 80.2 | 100.2 | 189.2 | 218.2 |
| Tip Shear Force T | 32.2 | 53.2 | 75.2 | 127.2 | 147.2 |
| Applied Excavator Weight T | 5-9 | 10-19 | 20-25 | 28-35 | 38-50 |
Core Advantages of the Excavator Hydraulic Shear
1. High Efficiency and Energy Saving
Compared to traditional manual shearing or oxygen cutting, the Excavator Hydraulic Shear offers 3-5 times faster shearing speed. Mainstream models can achieve a shearing force of 300-800 tons, easily cutting bundles of rebar with a diameter of 30mm and steel plates with a thickness of 20mm, eliminating the need for secondary processing and significantly improving work efficiency. Furthermore, driven by the excavator’s hydraulic system, it consumes no additional power, with energy consumption only 60% of traditional equipment, resulting in significantly reduced operating costs over the long term.
2. Safe and Environmentally Friendly
Operating in a fire-free mode, it produces no open flames or harmful gases throughout the process, effectively avoiding fire hazards. Operators can remotely control the shear from the excavator cab, eliminating the need for close contact with the material being sheared and avoiding safety risks such as metal splashes and material collapse, greatly improving operational safety.
3. Highly Flexible and Adaptable
It is compatible with excavators of different brands and tonnages. As a hydraulic shearing attachment for excavators, it can be quickly switched via a quick-change interface, combining shearing, disassembly, and other functions without frequent equipment changes. Furthermore, its compact size allows it to operate in confined spaces, solving the pain points of traditional equipment being unable to reach certain areas.
4. Outstanding Durability
High-quality excavator hydraulic shear manufacturers use high-toughness alloy steel forged shear blades, which undergo special heat treatment to achieve a hardness of HRC58 or higher, making them less prone to chipping and wear during shearing. The clamp body is embedded and welded, enhancing structural stability and adapting to high-intensity, high-frequency operational needs, extending its service life by more than 50% compared to ordinary shearing attachments.
Application Scenarios and Fields of Excavator Hydraulic Shear
1. Building Demolition
Whether it’s the demolition of old buildings in urban renewal, bridge dismantling, or the decommissioning of industrial plants, the Excavator Hydraulic Shear can precisely cut reinforced concrete components and steel structural beams and columns, replacing traditional blasting and manual demolition. This reduces dust and noise pollution and avoids the safety hazards of building collapse, making it particularly suitable for mechanized demolition projects with large building areas.
2. Metal Recycling
In scenarios such as end-of-life vehicle dismantling, scrap steel recycling, and industrial waste processing, it can quickly cut end-of-life vehicle frames, scrap steel components, and industrial scraps, cutting them into sizes that are easy to transport and reuse, improving recycling efficiency and contributing to the development of a circular economy.
3. Emergency Rescue
It can be used for rubble dismantling at disaster sites such as earthquakes and floods, quickly clearing metal obstacles, and opening rescue channels; in the mining and metallurgical fields, it can cut mine waste rock and metallurgical waste to assist in ore mining and waste recycling;
4.Municipal Engineering
it can be used for obstacle cutting in road reconstruction and pipeline laying, adapting to a variety of complex working environments.
Common Problems and Solutions for Excavator Hydraulic Shears
1. Weak shearing power, unable to cut materials.
The core causes are mainly threefold: deteriorated hydraulic oil quality and clogged filter leading to insufficient hydraulic pressure; excessive shear blade clearance, resulting in dispersed force; and hydraulic cylinder leakage, causing power loss.
Solutions: Replace with standard anti-wear hydraulic oil promptly; clean or replace clogged filters; adjust shear blade clearance to ensure tight engagement; inspect cylinder seals, replace aged or damaged seals, and repair leaks.
2. Shear blade chipping and excessive wear.
This is mainly due to overloading, shearing hard objects beyond the equipment’s capacity; failure to sharpen the shear blade in time, resulting in an excessively thin cutting edge; and debris in the material during operation, leading to uneven force distribution.
Solutions: Strictly adhere to the shearing range specified in the equipment manual, avoiding overloading; regularly sharpen the shear blades, replacing them promptly when severely worn; clean debris from the material before operation to prevent impurities from entering the shear blade clearance.
3. Abnormal noises and jamming during equipment operation.
The main causes are insufficient lubrication of the pivot pins, damaged dust seals allowing sand and gravel to enter, or blocked hydraulic lines hindering hydraulic oil flow.
Solutions: Regularly apply high-temperature extreme-pressure lithium-based grease to the movable pivot pins; replace damaged dust seals; inspect hydraulic lines, clear blockages, and ensure smooth hydraulic oil flow.
4. Poor compatibility with the excavator.
This is mainly due to loose bolts at the connection points or incompatible interface models.
Solutions: Check the connection bolts before operation and tighten them promptly; select YG excavator hydraulic shears that match the excavator’s tonnage and interface model. It is recommended to purchase from reputable excavator hydraulic shear manufacturers to ensure compatibility and product quality.
