Standard Amphibious Undercarriages Small And Medium Size - Chinaprice: contact company for price
1) Pontoon Construction
High Strength Weathering Cor- Ten plate steel is used in the fabrication of the pontoons. Cor- Ten steel is marine grade and corrosion resistance steel that has 5 to 8 times the atmospheric corrosion resistance and 20% more tensile strength than similar size 16Mn Q345B structural plate steel.
In the pontoon, there are many supporting steel bars which reinforcing pontoon strongly. Each pontoon has 2 bulkheads, providing 3 independent watertight compartments with inspection plugs located on the outside of the pontoons. Each compartment of the pontoon has 1x25mm drain hole at bottom and 1x25mm inspection hole on side of pontoon near the top. Service man manholes on each pontoon are optional, made for easy maintenance and field servicing.
Pontoons are shot blasted to ensure that the surface is thoroughly clean and free from contaminants and rust. In addition, this process presents the steel with a surface texture that provides excellent adhesion of prime coat of paint. Interior Metal Finish is coated with Zinc chromate rust inhibitor or Rust Inhibitor priming paint. Exterior Metal Finish is 2 part organic zinc epoxy base coat Primer, Epoxy topcoat.
The bottom of the pontoon is reinforced for rough terrain operations. Especially the chains runway channels or paths are made of 3- layers steels, 2- part HD70 high tension steel plus the spring steel wear plate, which highly prolong the pontoon' s service life.
SUNTON Pontoon shape is quite uniquely designed that could reduce the resistance of the water or mud during its moving.
The hydraulic hoses or pipes are shielded with steel from being damaged during operations.
2) Track Chains and Track Shoes
Each SUNTON pontoon could be equipped with two, three or four strands of heavy- duty track chains. The chain link pads and track pads are all made of high tension steel HD70. The design and size of SUNTON track chain rollers and pins or bushes are all different from others with larger sizes. Tensile strength of link pads could reach 680Mpa. The chain roller paths/ channels are lined with high strength abrasion- resistant steel and spring steel that matches the hardness of the chain rollers.
Track shoes/ cleats/ pads are fabricated with heavy duty steel, which makes it less prone to cracking, due to the wider spread between yield strength and ultimate tensile strength. Track pad steel tensile strength reaches 620Mpa. Customer could select much harder steels, whose tensile strength could reach 860Mpa, but cost is higher. Track shoes are box- shaped, welded or bolted to the chains and fully covering the pontoons. UHMW wear plate or HDPE or HDMP plate, is the optional design to meet the challenge of wearing when machine often moves on stiff or tough ground. Usually there are two Ultra High Molecular Weight trackwear pads per cleat.
3) Drive Motor System
Power for the pontoon tracks is provided by the excavator' s diesel engine and main hydraulic pumps through a hydraulic swivel. Hydraulic travel motors and brake combinations are mated to sealed planetary final drives to provide independent power to each pontoon track. SUNTON always design the pontoons strictly subject to each user' s applications. Each pontoon could be equipped with one or two hydraulic motors, say SUNTON could design both 2- motor and 4- motor amphibious undercarriage.
SUNTON understands that some customers prefer 4- motor undercarriage in view of the so- called Multi- motors or 4x4 gear system as land vehicles to get more driving power or spare use. But SUNTON' s mainly focus on the necessity and the integral consideration of the machines application, costs and weight that might off- set the buoyancy etc. No matter one or two motors, the principle is to guarantee the machine having ample propelling power for each application. Actually, SUNTON' s many 2- motor undercarriages provide much more power than 4- motor undercarriages because the motors selected are usually heavy duty motors and much more ample than the requirement of the undercarriage. SUNTON' s driving motor are all imported from South Korea and made by DOOSAN. Several overseas customers prove that SUNTON motors perform very well and much stronger than others overseas brands on propelling the undercarriages. We could provide the evidence concerned for the reference.
4) Driving Wheel and Idlers
SUNTON unequivocally favors a non weld- on sprocket design, but a bolt- on sprocket system for perfect track pitch alignment. Sprockets are precisely machined and bolted onto the axial. This concept ensures a perfect alignment of each sprocket across the axial, a critical criterion for the longevity of the track chain.
The sprockets and axles of the driving wheels and idlers are equipped with 2 bearings for each side which are skeleton floating sealing ring instead of rubber sealing, which ensure the driving system and idlers have strong performance on heavy duty applications and much longer life time.
SUNTON owes the patent design of different track chain speeds on each side of the pontoon. This design could greatly alleviate the torque that builds rapidly when undercarriages turning on firm material.
The hardworking sprockets, axles or shafts, rollers and bushings ( embedded within the rollers) are made from flame high tension steel, very thick plate, to match the hardness of the track chain rollers which helps in reducing the frequency of replacement and costly downtime. Rollers travel on a strip of wear resistant steel track, preventing it from premature wearing to the pontoons.
âˆš Custom designed flanged heavy duty central structure, bolted with 4* 8pcs M36 high strength bolts, easy for assembly and disassembly.
âˆš Heavy duty seamless steel tubes or steel beams connect pontoons and excavator uppers.
âˆš Optional hydraulic extendable pontoons.
âˆš Optional supplementary pontoons and spuds system.
âˆš Modular design for easy transportation.
- Phone: 8613156532010
- Address: No.4 Shuangfeng Road, Shuangfeng Industrial Zone, , Hefei, China
- Website: http://www.suntonswampbuggy.com/
Published date: April 27, 2016 -
- Business Description: Hefei SUNTON Machinery Manufacturing Co., Ltd., hereinafter referred to as SUNTON, is the earliest and the most professional OEM manufacturer specializing in amphibious dredging and mining equipment and providing integral dredging solution in China. SUNTON s major products includes amphibious excavator (also named as marsh excavator, swamp buggy excavator, swamp backhoe, mud buggies and floating backhoe etc.), amphibious undercarriage and kinds of custom-built amphibious equipment as amphibious draglines, drill buggy, cargo buggies, transporters or carriers and amphibious dumper etc. Meanwhile, SUNTON also develops full range of front parts or attachments to above mentioned amphibious equipment, including cutter pumps, long reach booms and supplementary pontoons and spuds stabilizers etc.
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