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About Shantui >  Scientific and Technological Innovation >  Technical Innovation

In recent years, the construction machinery industry is depressed, and the market at home and abroad is fatigued. Nevertheless, Shantui strives to conduct production, enhances technical content of equipment and make efforts in innovation, thus living through the winter of the industry.


Since 2013, Shantui has started to conduct technical innovation to bulldozer products, including research & development of full-hydraulic bulldozer, bulldozer provided with LNG (liquefied natural gas) and remote control bulldozer; meanwhile, Shantui strengthens the innovation construction of technical platform, pays attention to research & development of hydraulic drive, intelligent, modular as well as environment-friendly and energy-saving products, so as to bring new experience, new value and new revenue for users with the maximum product cost-performance ratio.


By the end of 2015, Shantui products had covered 16 power grades, 112 types of variant products and 35 kinds of extended products based on four technical platform foundations, i.e. “SD series”, “PLUS series”, “-5 series” and “full-hydraulic series”; in which, the “-5 series” and “full-hydraulic series” products are innovation series products, and Shantui has put relatively much research & development into them in recent years, thus making a sufficient preparation for making Shantui enter international competitive market and winning high-end users.



Shantui SD-5 Technical Platform

Shantui SD-5 (hereinafter referred to as -5) series bulldozers are updating series products of Shantui. The -5 technical platform, founded in 2006, is a platform adopting international advanced mainstream technology of bulldozer. It is featured by modular design, electronic-controlled engine, intelligent control system, floating travel technology, mechanical mono-lever travel manipulation, normally closed type brake, temperature control and heat dissipation system, heptahedron cab, lock-up clutch and other relevant technical characteristics, including eight series of products, i.e. SD16-5 – SD90-5; the market positioning of -5 series bulldozer is domestic bulldozer updating model, which is at the medium and high-end markets of bulldozer in the world. It owns the following advantages: more environment-friendly power, more convenient repair, safer guarantee, stronger power and better view.


1. Full-series products and main technical characteristics of SD-5 technical platform:


At present, the technical platform has completed the development of totaling 8 types of bulldozer products, i.e. the full series of 160hp – 900hp; has completed industrial test and stereotype of totaling 5 types of machine models, i.e. SD18-5, SD20-5, SD32-5, SD52-5 and SD90-5; totaling 2 types of machine models, i.e. SD20-5 and SD52-5, have entered the small-scale production stage; and totaling 2 types of machine models, i.e. SD16-5 and SD24-5 are under verification.


Main Technical Characteristics:

● The engine may realize automatic adjustment of power under high elevation, so as to avoid black smoke and high water temperature.

● The heat dissipation system is not limited by engine, and the air fan and engine will never influence each other.

● The drive system is enclosed independently, which may guarantee high cleanness.

● The normally closed type brake exempts adjustment, which solves the frequent adjustment of brake band and hydraulic pollution.

● The pivot suspension and shock absorption systems may solve shock impact, thus extending the service life of drive system and whole machine.

● Modular assembly brings fundamental enhancement in assembly efficiency and repair performance.


Meanwhile, the -5 platform also has obtained outstanding achievements in core technology and patent technology, and it has applied for more than 300 patents (more than 70 items of which are invention patents), more than 260 items of patent authorization, and has published 18 theses on core journals and 5 theses on international journals.


Product Model SD16-5 SD18-5 SD20-5 SD24-5 SD32-5 SD42-5 SD52-5 SD90-5
Net Power/Rated Speed 120kW/1900rpm 135kW/1950rpm 149kW/1950rpm 179kW/1900rpm 235kW/1900rpm 310kW/2000rpm 392kW/1800rpm 708kW/2100rpm
Working Weight 17500kg 19490kg 21980kg 25300kg 39000kg 52000kg 70600kg 94000kg
Grounding length 2675mm 2675mm 2980mm 3050mm 3210mm 3485mm 3840mm 4520mm
Grounding Specific Pressure 0.062 0.063 0.061 0.0819 0.104 0.122 0.138 0.1603
Engine SDEC
SC9D175G2
SDEC
C6121ZG07
Weichai
WP10G210E32
Weichai
WD12G220E23
Weichai
WP12G270E32
Cummins
NTA855-C400
Cummins Chongqing
QSK19
Cummins Chongqing
QSK19
Cummins
QST30
Scraper Blade Model Semi-U-shaped blade Direct dumpling blade Angle blade Semi-U-shaped blade Semi-U-shaped blade Semi-U-shaped blade Semi-U-shaped blade Semi-U-shaped blade
Capacity of Blade 3.9m³ 4.5m³ 3.4m³ 8.8m³ 9.7m³ 13.7m³ 18.5m³ 39m³
Ripper Triple-teeth Triple-teeth Mechanical winch Single-tooth Single-tooth and triple-teeth Single-tooth Single-tooth Single-tooth


2. Introduction to typical machine models of -5 platform products:

 

SD20-5LNG Bulldozer
● The products are produced under the experience of design about bearing more than 30 bulldozers; Shantui LNG bulldozer is another major breakthrough in whole machine matching technology as well as economic and environment-friendly performance, and it is the first set of bulldozer with LNG as power fuel in the industry;
● The products adopt LNG engine, so they are energy-saving and environment-friendly, saving the fuel cost by more than 30%; the carbon emission is reduced by more than 50%, and the emission of inhalable particle is almost zero;
● The products adopt domestic famous-brand gas cylinder module, monitoring the system status in a real-time way, with high security coefficient; the largest 500L gas cylinder in the industry, with long construction time.
SD52-5 Bulldozer
● Shantui SD52-5 track bulldozer refers to a earth moving and transportation machinery with high power and great efficiency, designed and developed in 2009 by Shantui Construction Machinery Co., Ltd. according to the market demand and based on international advanced technology.
● This product is mainly applicable to earthwork construction of large-sized projects such as mine and water conservancy, and SD52-5 may adapt to severer construction environments, and may greatly enhance the productivity and reduce construction cost;
● At present, SD52-5 track bulldozer has been sold in the Middle East and Russian Far-East successfully, and the product has entered large-scale selling stage.
SD90-5 Bulldozer
● Shantui SD90-5 bulldozer is a kind of track bulldozer with the maximum horsepower produced in China at present; the product development was completed in 2011 and the first set of sample machine was produced in 2012;
● In case of calculating based on transportation distance of 40m, the maximum earth moving productivity of SD90-5 may reach 4,339m3/h; under normal conditions, the actual average fuel oil consumption is 90L each hour, the using capacity of fuel oil tank is 1,638L, and the oil filling interval is 18 hours;
● Shantui SD90-5 whole machine adopts modular design, and its engine, double transmission, final drive and trolley assembly all can be dismantled independently, with advantages of advanced structure, strong power, convenient dismantling and simple repair.



Shantui Full-hydraulic Technical Platform

With the constant development and progress of hydraulic technology and computer control technology, the full hydraulic tendency of medium and small-sized bulldozers is developed rapidly, and the full-hydraulic bulldozer product has become the international main-stream development trend.

In Europe and America, the full-hydraulic bulldozer is widely applied due to its excellent construction performance, operation performance and environmental protection performance, and it accounts for about 60% of the total market volume, while 80% of them possess the power of within 80hp – 200hp.

In China, the users also give higher and higher recognition degree to the full-hydraulic bulldozer, and also propose higher requirements for the operation comfortable performance, construction efficiency and environmental protection performance.

Based on international and domestic market demands, the planning of two platforms, i.e. YE platform and DH platform are made for Shantui full-hydraulic products.


1.Full-series products and main technical characteristics of Shantui full-hydraulic platform:

YE Platform:

Since 2008 when the first set of hydraulic drive bulldozer was developed, Shantui successively developed totaling 13 types of hydraulic drive products of 4 horsepower grades (80, 100, 130 and 160hp), 2 kinds of emission standards (Tier3 and Tier4i) and 3 kinds of working conditions (standard type, wet-land type and environmental sanitation type), and 11 types of them have possessed selling conditions.


Technical Characteristics:

Technical Level: reaching the level of foreign advanced machine model.

Power System: configured with low-emission electronic-controlled engine, meeting emission requirements for non-road machineries of European Union and North America.

Travel Hydraulic System: it adopts double-pump and double-motor closed variable system, mono-lever wholly-electronic-controlled manipulation;

Working Hydraulic System: it adopts variable load feedback working system, mono-lever wholly-electronic-controlled manipulation, and multi-working-mode selection;

Driving and Riding Environment: ROPS\FOPS cab, with noise as low as 78dB;

Security Performance: it meets European Union CE and North America certification.


  Power Engine Emission Standard Machine Model Current Status
Completed 80 HP QSB 3.3 Tier 3 SD08YE standard type
SD08YS/SD08YR low specific pressure
the sorting of technical data of CE and North America certification of products has been completed.
100 HP QSB4.5 SD10YE standard type
SD10YS/SD10YR low specific pressure
Totaling 52 sets of various types were sold in 2015.
130 HP QSB 6.7 SD13YE standard type
SD13YS/SD13YR low specific pressure
 
100 HP QSB 4.5 Tier 4i SD10YE /SD10YS  
160 HP QSB 6.7 SD16YE /SD16YS  


DH Platform:

In order to cope with domestic market competitiveness of Caterpillar and face to domestic market and international emerging market, Shantui has researched and developed DH17 series and DH13 hydraulic drive bulldozers independently for customers with relatively high requirements for cost-performance ratio as well as comfort and flexibility performances.


Technical Characteristics:

Technical Level: leading at home

Power System: configured with domestic engine, meeting emission requirements for non-road machineries in China.

Travel Hydraulic System: it adopts double-pump and double-motor closed variable system, mono-lever wholly-electronic-controlled manipulation;

Working Hydraulic System: it adopts quantitative pump to conduct pilot control of working system, with mono-lever hydraulic-control manipulation.

Driving and Riding Environment: low-noise enclosed cab, with noise as low as 85dB;

Security Performance: it meets relevant National-requirements.


  Power Emission Standard of Engine Machine Model Current Status
Completed 170 HP National-II DH17 standard type
DH17L Super Wet-land Type
DH17R Environmental Sanitation Type
DH17F Forest Lumbering Type
Products can be customized
Till 2015, totaling 23 sets have been produced and totaling 14 sets have been sold
170HP National-III DH17 standard type
DH17L super wet-land type
DH17R super environmental sanitation type
DH17F forest lumbering type
Verification 130 HP National-III DH13 standard type The trial production of sample machine has been completed
Design 240HP National-III DH24 standard type under development


Meanwhile, the full-hydraulic bulldozer has obtained 68 patents, 6 invention patents, and 1 PCT international patent; 12 research theses have been published on core journals, 3 of which refer to international journals; it has obtained 2 national-level rewards, 3 provincial-level rewards and 1 municipal-level reward. In addition, the “YE” series products all have passed CE and North America certification, thus laying a solid foundation for products entering high-end markets in Europe and America.


2. Introduction to typical machine models of full-hydraulic platform products:


DH17 full-hydraulic drive bulldozer:DH17 bulldozer products are divided into the following types: DH17 standard type, DH17 lumbering type, DH17 super wet-land type, DH17 environmental sanitation type. The whole machine adopts modular key technology for design, and realizes the following technical innovation advantages:


Oil Saving and High Efficiency 

● Weichai WD10 engine, efficient fuel injection pump, high torque, high performance, huge social inventory, strong universality of components, and low maintenance and care cost;

● The product adopts electronic-controlled static pressure drive system, adapts to load change automatically and provides the optimal bulldozing speed under different working loads, with high comprehensive efficiency.

● Shantui possesses an exclusive patent intelligent matching technology has won the highest working efficiency and the most reasonable fuel oil economy; and its comprehensive fuel oil consumption can be reduced by 10%-15%.


Flexibility and Easy Use

● Electronic-control of travel system, and hydraulic pilot control of working device, small manipulation force, flexible and convenient manipulation, realizing precise control with relatively small manipulation force, excellent manipulation comfort and high working efficiency.

● The foot treadle adopts throttle and deceleration brake integrated and suspended structure, with simple and flexible single pedal manipulation.


Security and Comfort 

● Ergonomics hexahedron cab, with large space and good view;

● Wholly-enclosed shock absorption system of the cab, with small shock, and the noise is as low as 3~4dB; with large adjustable scope of chair position and backrest angle, as well as comfortable manipulation;

● Integrated instrument box, suspended single throttle pedal, small volume, large space for feet, and comfortable manipulation;

● Whole vehicle security channel system, secure handrails and anti-slip pedal which are arranged reasonably to guarantee security of the driver.


Adapting to Various Working Conditions

● Static pressure drive system, with step-less speed regulation, steering with load, steering in local place, flexible maneuvering, adapting to multiple working conditions, realizing bulldozing construction in a narrow space;

● The chassis system has long grounding length, with stable travel and good traffic ability.

● Configured with semi-U-shaped blade, with high comprehensive efficiency, wide-range usage and strong construction capability;

● The product can be configured with environmental sanitation blade, direct dumping blade, triple-teeth ripper, winch and traction frame, meeting multiple construction demands.


Few Fault & Easy Repair  

●Weichai WD10 engine, efficient fuel injection pump, high torque, high performance, huge social inventory, strong universality of components, and low maintenance and care cost;

●The product adopts electronic-controlled static pressure drive system, adapts to load change automatically and provides the optimal bulldozing speed under different working loads, with high comprehensive efficiency.

●Shantui possesses an exclusive patent intelligent matching technology has won the highest working efficiency and the most reasonable fuel oil economy; and its comprehensive fuel oil consumption can be reduced by 10%-15%.