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Vertical Hydraulic Casing Rotator Safe Accurate With No Vibration

Vertical Hydraulic Casing Rotator Safe Accurate With No Vibration

Place of Origin : CHINA
Certification : CE/GOST/ISO9001
Model Number : TR1305L/TR1505/TR2005/TR2605H
Packaging Details : nude
Delivery Time : ON STOCK
Payment Terms : L/C or T/T
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Vertical Hydraulic Casing Rotator Safe Accurate With No Vibration

1.The components of casing rotator series

1) Working device

l Wedge clamping device---Being compared with the traditional clamping mechanism, it can clamp the

casing no matter at what position, and keep the vertical accuracy of the casing; and the larger drawing

resistance of casing causes greater lamp force.

l Motor Reducer---4 sets of motor reducer can supply the sufficient torque, transfer a strong rotary

force to the casing, which can adapt to the complicated stratum and cut obstructions.

l Vertical device---Hydraulic vertical device ensures the verticality of drill holes, and corrects the casing angle timely in

the construction.

l Caliber change device---The convenient caliber change makes the equipment adapt to various

requirements of caliber change.

l Auxiliary clamping device---It can better ensure the verticality of casing, and additionally compensate

for the problem of low crane capacity of the equipped crane during deep excavation.

l Work traveling device---The crawler traveling device is with the function of hydraulic transverse

expansion, which is convenient for the equipment to move automatically and conduct the pile core


2) Hydraulic power station

l Engine---The great power of engine can supply a huge torque for the equipment. It provides the

machine with a great torque to work and make it adapt to any complicated and difficult stratum.

l Convenient operating system---According to the working condition the operating system platform of micro computer can keep the

machine at an optimum working state by adjusting the speed, torque and pressing force, and promote

the work efficiency to the maximum.

l Cutter head load automatic control system---When cutting the hard rock, it can well protect the cutter

head and effectively enhance the cutting efficiency by the automatic control of computer.

l Instant enhancement system---When encountering obstructions, it can instantly enhance the pulling

force and torque to clear the obstruction.

l Emergency system---The main function of control system is also set in the power station. When there

is a malfunction, the emergency system can be adopted to complete the construction work.

l Power station traveling device---The power station, which is convenient for traveling, can make the

equipment travel freely on the construction site and complete the drill alignment; the support structure

can ensure the stability and safety of equipment during working.

3) Casing

4) Crawler crane

5) Auxiliary machines--for remove the obstruction

 Multi-head claw + Spiral drill head

l The rotary drill head and spital drill head can be selected and matched for the multi-head claw

according to the requirements.

l It works at a state of low noise and low vibration.

l It can choose the number of suspension wire rope, so the small-scaled crane can be adopted for cooperation.

‚ Multi-head claw + rotary drilling bucket

l The multi-head claw is an internal excavation device of sleeve, which is powerful when removing the

underground obstructions such as the reinforced concrete, stell pile and broken stone; it can

effectively transfer the torque and pressing force of the sleeve.

ƒ Impact-grab bucket + heavy hammer

l When the impact excavation cannot be conducted in the rock stratum or concrete piles, use the

heavy hammer to repeat the impact, and excavate it with the impact-grab bucket after it is broken.

This is a commonly adopted construction method of the cooperation of impact-grab + heavy hammer.

④ Impact-grab bucket

l The grab bucket is the main internal impact excavation device of the casing. It relies on the big and

small hangers of crane to complete the impact and excavation work.

l During operation, the impact-grab bucket falls freely along the internal wall of casing, with the fast

falling speed and strong impact force, the hard stratum can be directly impacted and excavated with a

high working efficiency.

l The bucket blade is in the shape of circular arc with heavy bucket body, it can realize the underwater

impact and excavation.

l With the built-in pulley block, the grabbing force is multiplied with the increasing lifting force.

2. Introduction to construction method

The casing rotator is a new type drill with the integration of the full hydraulic power and transmission, and

the combination control of machine, power and fluid. It is a new, environmentally-friendly and highly efficient drilling technology. In recent years, it is widely adopted in the projects such as

the constructions of urban subway, articulation pile of deep foundation pit enclosure, clearance of waste

piles ( underground obstructions ), high-speed rail, road and bridge, and urban construction piles, as well

as the reinforcement of reservoir dam.

The successful research of this brand new process method has realized the possibilities for the

construction workers to conduct the construction of casing pipe, displacement pile, and underground

continuous wall, as well as the possibilities for the pipe-jacking and shield tunnel to pass through the

various pile foundations without barriers, when the obstructions, such as the gravel and boulder formation,

cave formation, thick quicksand stratum, strong necking down formation, various pile foundation and steel

reinforced concrete structure, are not removed.

The construction method of casing rotator has successfully completed construction missions of more than

5000 projects at places of Singapore, Japan, Hongkong District, Shanghai, Hangzhou, Beijing and Tianjin.

It certainly will play a bigger role in the future urban construction and other pile foundation construction


( 1 ) Foundation pile, continuous wall:

l Foundation piles for high-speed rail, road and bridge and house building.

l Articulation pile constructions which are required to be excavated, such as subway platforms,

underground architectures, continuous walls

l Water retaining wall of reservoir reinforcement.

( 2 ) Drilling gravels, boulders and karst caves

l It is allowable to conduct the foundation pile construction at mountain lands with gravel and boulder


l It is allowable to conduct operation and cast the foundation piles at he thick quicksand formation and

necking down stratum or the filling layer.

l Conduct rock-socketed drilling to the rock stratum, cast the foundation pile.

( 3 ) Clear the underground obstructions

l During the urban construction and bridge rebuilding, the obstructions such as the steel reinforced

concrete pile, steel pipe pile, H steel pile, pc pile and wood pile can be cleared directly, and cast the

foundation pile on the spot.

( 4 ) Cut the rock stratum

l Conduct the rock-socketed drilling to the cast-in-place piles.

l Drill through-holes on the rock bed (shafts and ventilation holes)

( 5 ) Deep excavation

l Conduct the in-place casting or steel pipe pile inserting for the deep foundation improvement.

l Excavate deep wells for construction use in the constructions of reservoir and tunnel.

3. The advantages of adopting the casing rotator for construction

1) No noise, no vibration, and high safety;

2) Without mud, clean working surface, good environmental friendliness, avoiding the possibility for

mud to enter the concrete, high pile quality, enhancing the bond stress of concrete to the steel bar;

3) During construction drilling, the characteristics of stratum and rock can be directly distinguished;

4) The drilling speed is fast and reaches about 14m/h for the general soil layer;

5) The drilling depth is large and reaches about 80m according to the situation of soil layer;

6) The hole forming verticality is easy to master, which can be accurate to 1/500;

7) No hole collapse will be caused, and the hole forming quality is high.

8) The hole forming diameter is standard, with little filling factor. Being compared with other hole

forming methods, it can save a lot of concrete usage;

9) The hole clearing is thorough and fast. The drilling mud at the hole bottom can be clear to about


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