Hydraulic Movable Heavy Duty Loading Ramp Yard Dock Ramps for Forklift

• Customization: Available
• After-sales Service: Online
• Warranty: 1 Year
• Model NO.: DR6-6
• Application: Workshop Crane, Shipboard Crane, Warehouse Crane, Building Crane
• Lift Mechanism: Screw Lift
• Carrying Capacity: Weight Level
• Moves: Moving
• Driven Type: Hydraulic
• Running Mode: Moving
• Feature: Explosion-Proof, Insulating
• Certification: CE, RoHS, ISO 9001
• 1: Mobile Ramps
• 2: Hydraulic Ramp
• 3: Dock Ramp
• 4: Mobile Loading Dock Ramp
• 5: Yard Ramp
• Transport Package: Wooden Box
• Specification: customized
• Trademark: DAAILIFT
• Origin: China

Product Description

Product Parameters

Model No.	EDR-6	EDR-8	EDR-10	EDR-12
Load Capacity (t)	6	8	10	12
Platform Size (mm)	11000*2000
Overall Size(mm)	11000*2000*1400
Lifting Height(mm)	1000~1800
Lip Width (mm)	400
Tail Board Length (mm)	800
Operating	Manually
Platform Materials	3mm checked steel plate +7mm steel screen
Lip Materials	14mm Q235B plate
Tyre	500-8 solid tyre
Cylinder Pin	45# Ø50 rod steel*4
Lifting Hydraulic Cylinder	HGS series Ø80/45*2
Lip Hydraulic Cylinder	HGS series Ø40/25
Hydraulic Oil Pipe	Double wire mesh high pressure tubing 2-10-43MPa
Hydraulic Oil	ML series antiwear hydraulic oil 6L
Net Weight(kg)	2450

The mobile dock ramp, also known as a mobile yard ramp, has its origins in the industrial logistics sector, evolving in response to the growing demands of efficient loading and unloading operations. Here's a historical and developmental perspective on how the mobile dock ramp came into being and evolved into its current form:
Origins: Early 20th Century - Static Solutions
Context:
The rise of industrialization and manufacturing in the early 1900s created the need for faster loading and unloading of goods.
Early docks were fixed-height loading bays, and if a truck or wagon didn't match the dock height, manual labor or makeshift wooden planks were used.
Limitations:
Static docks couldn't serve all vehicle types.
Manual labor was slow and unsafe.
No flexibility in yard layout or truck positioning.
Emergence of Portable Solutions: Mid-20th Century
Key Drivers:
Growth of trucking and freight transport after WWII.
More diverse fleet sizes and vehicle bed heights.
Innovations:
Wooden or steel ramps started being used as temporary solutions.
Wheeled platforms allowed repositioning the ramp.
Introduced basic support structures for stability.
Formalization & Mechanization: 1960s-1980s
Key Developments:
Companies began manufacturing steel mobile ramps with:
Fixed incline for forklifts to travel safely.
Manual jacks or chain hoists to adjust height.
Features Introduced:
Wheel systems for limited mobility.
Side guards for safety.
Emergence of basic hydraulic systems (manual pump-actuated).
Impact:
Increased adoption in warehouses and shipping yards.
Ramps became standard equipment in logistics facilities.
Technological Advancement: 1990s-2000s
Improvements:
Hydraulic lift systems became more reliable and easier to operate.
Stronger materials (e.g., high-tensile steel) increased capacity.
Anti-slip surfaces like steel grating enhanced safety.
Tow bars enabled forklifts or trucks to reposition the ramp easily.
Manufacturing:
Modular designs introduced to reduce shipping costs.
Companies specialized in custom ramps for specific industries (e.g., beverage, automotive).
Modern Era: 2010s-Present
Advanced Features:
Dual-cylinder hydraulic systems for smoother and faster lifting.
Adjustable height range to match a wider variety of vehicle types.
Heavy-duty wheels and easy maneuverability.
Load capacities now range from 6-30 tons.