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Tail Beam，Caving &Insert-Plate Jacks
Control the caving opening.
Regulate top-coal flow.
Mining-duty hydraulic
jacks engineered for
LTCC roof supports，
controlling tail-beam
swing，caving-
window geometry
and insert-plate
movement.
Tail-Beam Angle Control
Swing the tail beam to
regulate the caving opening
and coal-flow path.
Insert-Plate Flow
Control
Retract to open the caving zone and extend to restrict coal or gangue flow.
Rear AFC Integration
Coordinate the caving
mechanism with the rear
armored face conveyor.
Impact-Ready Reliability
Mining-duty cylinders and
structures for repeated coal and gangue impact conditions.
自由容器
Popular Tail Beam，Caving & Insert-Plate Jacks
TAIDA Reference Configurations for LTCC rear-caving
mechanisms
TBCJ-140/100-450 Tail
Beam & Caving Jack
IPJ-110/80-350 Insert-Plate Jack
TBCJ-140/100-450 Tail Beam &
Caving Jack
Quick Details
· Function: Tail-beam swing & caving opening control
· Mounting: Shield beam to tail beam
· Hydraulic action: Double acting
· Sensor: Optional
Packaging & Delivery
· Ports capped and sealed
· Rod and pin bores protected
· Packing: wooden case / steel pallet
· Shipping: container / air / sea freight
Applications
· LTCC roof supports
· Thick and ultra-thick seams
· Rear AFC integration
· Replacement & remanufacturing
自由容器
IPJ-110/80-350 Insert-Plate Jack
Quick Details
· Function: Insert-plate extend / retract
· Installation: Tail beam internal /rear
· Hydraulic action: Double acting
· Sensor: Optional
Packaging & Delivery
· Fully retracted for shipment
· Ports and rod surfaces protected
· Packing: wooden case / export frame
· Shipping: container / air / sea freight
Applications
· Insert-plate LTCC supports
· Coal / gangue flow control
· Automated top-coal caving
· Retrofit & replacement
自由容器
Custom Tail Beam，Caving &Insert-Plate Jacks
Built around your caving geometryand rear AFC layout
Bore, Rod &
Force
Cylinder Bore
Rod Diameter
Push / Pull Force
Tail-Beam Swing
Geometry
Tail-Beam Angle
Jack Stroke
Pivot Locations
Insert-Plate
Travel
Extension Stroke
Retracted Position
Coal-Opening Clearance
Hydraulic Circuit
& Holding
Supply Pressure
Holding Valve
Impact Relief
Wear & Impact
Protection
Rod Plating
Coal-Flow Protection
Pin & Bushing Wear
Sensors &
Caving Control
Stroke Sensor
Tail-Beam Angle
Insert-Plate Position
Successful Cases
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Tail Beam, Caving & Insert-Plate Jacks FAQ
Key answers for LTCC roof-support manufacturers and
thick-seam mining buyers
1. What are Tail Beam, Caving & Insert-Plate Jacks?
Tail Beam, Caving & Insert-Plate Jacks are hydraulic
cylinders used to control tail beams, caving windows and
insert plates.
2. Where are they used?
Tail Beam, Caving & Insert-Plate Jacks are used in
longwall top coal caving roof supports.
3. What bore sizes are available?
Tail Beam, Caving & Insert-Plate Jacks can be customized
with different bore and rod diameters.
4. What stroke lengths are available?
Tail Beam, Caving & Insert-Plate Jacks can be designed
with different strokes for specific caving movements.
5. What working pressures are available?
Tail Beam, Caving & Insert-Plate Jacks can be configured
for different hydraulic pressures and operating forces.
6. How is caving controlled?
Tail Beam, Caving & Insert-Plate Jacks control tail beam
angle and caving window opening for regulated coal
discharge.
7. What protection options are available?
Tail Beam, Caving & Insert-Plate Jacks can include wear-
resistant surfaces, heavy-duty seals and impact
protection.
8. Can they be customized?
Yes. Tail Beam, Caving & Insert-Plate Jacks can be
customized by bore, stroke, force, mounting and
hydraulic interface.