自由容器
Base-Lifting，Anti-Slip &Anti-Tipping Jacks
Lift the Base. Control the Slide.
Stabilize the Support.
Specialized hydraulic jacks
engineered for powered roof
supports operating on
soft floors and steeply
inclined longwall faces.
Base-Lift
Assistance
Helps raise the
support base during
advance on soft or
uneven floors.
Anti-Slip Restraint
Applies controlled
restraint against
downhill movement
on steep seams.
Anti-Tipping
Control
Supports stability
and position
correction in
demanding seam
conditions.
Steep-Seam
Stability
Integrates lifting and
restraint functions
for difficult longwall
applications.
自由容器
· Type：Base-Lifting Hydraulic Jack
Popular Base-Lifting &Stability Jacks
TAIDA Reference Configurations for base lift，anti-slip restraint and steep-seam stability.
BLJ-125/90-220 Base-
Lifting Jack
AST-140/100-300 Anti-Slip & Anti-Tipping Stability Jack
BLJ-125/90-220 Base-Lifting Jack
Quick Details
· Function: Lift / assist roof support base
· Mounting: Base / lift linkage
· Action: Double acting
· Surface: Mining-duty plating
· Sensor: Optional
· Ports capped and sealed
Packaging & Delivery
· Wooden case / steel pallet
· Pressure-test record
· Lead time after drawing approval
Applications
· Soft-floor longwall faces
· Difficult support advance
· Low / medium-seam supports
· Replacement & remanufacturing
自由容器
AST-140/100-300 Anti-Slip & Anti-Tipping Stability Jack
Quick Details
· Type: Anti-Slip / Stability Jack
· Function: Restraint and stability control
· Mounting: Base / anti-slip beam
· Action: Double acting
· Surface：Corrosion-resistant plating
· Sensor: Optional
Packaging & Delivery
· Fully retracted for shipment
· Heavy wooden case / export frame
· Leakage & pressure test
· Lead time after approval
Applications
· Steeply inclined coal seams
· 45°-class steep faces
· Anti-tipping support systems
· Retrofit & stability upgrades
自由容器
Custom Base-Lifting，Anti-Slip &Anti-Tipping Jacks
Built around your floor condition，seam dip
and stability risk.
Bore, Rod & Force
Lift / restraint force sizing
Base-Lift Stroke
Required lift and clearance
Anti-Slip Geometry
Seam dip and anti-slip beam
Anti-Tipping Geometry
Tilt correction and support stability
Hydraulic Circuit & Holding
Pressure, lock and relief control
Sensors，Inclination & Testing
Stroke, tilt and test options
Successful Cases
自由容器
Base-Lifting，Anti-Slip & Anti-Tipping Jacks FAQ
Key answers for powered roof support manufacturers
and mining buyers.
1. What are Base-Lifting, Anti-Slip & Anti-Tipping Jacks?
Base-Lifting, Anti-Slip & Anti-Tipping Jacks are hydraulic
cylinders used to lift, stabilize and control roof support
bases.
2. Where are they used?
Base-Lifting, Anti-Slip & Anti-Tipping Jacks are used in
hydraulic roof supports for underground longwall mining.
3. What stroke lengths are available?
Base-Lifting, Anti-Slip & Anti-Tipping Jacks can be
customized with different stroke lengths for specific
support movements.
4. What bore sizes are available?
Base-Lifting, Anti-Slip & Anti-Tipping Jacks can be
configured with different bore and rod diameters.
5. How do they prevent slipping?
Base-Lifting, Anti-Slip & Anti-Tipping Jacks help control
lateral movement and improve support stability on
inclined seams.
6. How do they prevent tipping?
Base-Lifting, Anti-Slip & Anti-Tipping Jacks help maintain
support balance and reduce tipping risk during operation.
7. What working pressures are available?
Base-Lifting, Anti-Slip & Anti-Tipping Jacks can be
designed for different hydraulic pressures and operating
forces.
8. Can they be customized?
Yes. Base-Lifting, Anti-Slip & Anti-Tipping Jacks can be
customized by bore, stroke, force, mounting and
hydraulic interface.