aircraft construction earthwork construction

In the road, especially in highway construction, subgrade fill the loader for digging, Asphalt and concrete yard aggregate and the like charging. But it can also be pushing soil, ground and traction Calibrating Other machinery and otheroperations. Since the loader has the operating speed, high efficiency, Mechanical Transmission dozer，good mobility, easy operation, etc., hydrostatic bulldozers so it becomes one of the major aircraft construction earthwork construction

bulldozer common failure modes and causes of failure

Composition and working principle of hydraulic and electrical systems bulldozers bulldozers knowledge of safe operation and maintenance of knowledge, typehydrostatically drive crawler tractor, the overall structure and application, bulldozers major component structure and working principle parts, bulldozer common failure modes and cheap track dozer causes of failure

municipal engineering, port construction, mining engineering

hydraulic dozer manufacturer engineering machinery bulldozer is a typical earthwork construction equipment, hydraulic dozer bulldozer with the traditional mechanical, as in the national economy and building the country, occupy an important position. It is widely used in railway construction, highway construction, airport construction, water conservancy projects, Mechanical Crawler Dozers housing construction,

municipal engineering, port construction, mining engineering

power shift hydraulic dozer

power shift hydraulic dozer underground engineering, military engineering and other construction projects, our founding fifty years of socialist construction practice fully explain, if not a lot of quality bulldozer, it is impossible to complete the country's high-speed high-quality construction projects.hydraulic drive bulldozers As for the sparsely populated, narrow Face, poor working conditions, alpine desert, strict quality requirements of engineering projects, not the quality of the bulldozer is absolutely impossible to complete the task.

steering clutches and steering brakes, final drives and travel systems.

hydrostatic drive dozers expand the development of product types, both to meet the different conditions of work adaptability, and must maintain maximum parts commonality (or interchangeability) and basic, which for the majority of users maintenance bring great convenience. bulldozer manufacturers mainly by the engine, transmission, equipment, electrical parts, cab and hood and other components. Among them, the mechanical and hydraulic transmission system also includes a torque converter, the coupling assembly, the planetary gear type power transmission, a central transmission, steering clutches and steering brakes, final drives and travel systems.

such as timber loading and unloading operations.

hydrostatically driven wheel loader  is a widely used earthwork construction machinery highways, railways, construction, utilities, ports, mines and other construction projects, it is mainly used for loading shovel of soil, sand, lime, coal and other bulk materials, but also on the ore , hard soil, etc. for mild shoveling job. Dress different auxiliary work but also for earth-moving equipment, lower price dozer lifting and other materials,

such as timber loading and unloading operations.

Composition and working principle of hydraulic

Composition and working principle of hydraulic and electrical systems bulldozers bulldozers knowledge of safe operation and maintenance of knowledge, typehydrostatically drive crawler tractor, the overall structure and application, bulldozers major component structure and working principle parts, bulldozer common failure modes and causes of failure, swamp crawler dozer knowledge of other typical form bulldozer damage and repair methods bulldozer wearing parts

drive bulldozers

drive bulldozers high short-distance transport of soil productivity. Press walking can be divided into crawler and tires; by blade mode of operation can be divided into hydraulic and cable type.Mechanical Transmission Bulldozer is to drive processing pipeline, ensure that the core at any time to obtain the required information. Hydraulic Driven bulldozer, each with a front-end module, and be responsible for one of the two core shared front-end design shared front-end design allocating thread，climbing ability, but low speed. Wheel bulldozers with high-speed, flexible, operating cycle time is short, easy to transport the transfer, but traction is small, need to constantly changing circumstances applicable to the site and field work

Mechanical Transmission dozer

Chinese bulldozer A tractor is installed in front of the dozer loaded road construction machinery, for bulldozing, leveling the building venues. For example, in the construction of road construction, the bulldozers can complete the process of subgrade, roadside soil lateral Tim building height of not more than one meter of embankment along the centerline of the road towards the shovel to dig transferred, transported soil roadbed Watian engineering, taking the mountain construction of part - cut soil subgrade. In addition, Mechanical Transmission dozer the bulldozer can be used for leveling the ground and accumulation of loose materials, removal of obstructions and other operations within the lot.

bulldozer manufacturer

bulldozer manufacturer Is a by a tractor driven machine, there is a broad and blunt horizontal shoveling to clear the land, road structure or similar work, is an engineering vehicle with a large metal front dozer blade, dozer down when using knife, chipping ahead and push the mud, sand and stones, dozer blade position and angle can be adjusted. Bulldozer digging can be done individually, earth and dump work, with flexible operation, convenient rotation required Face small, travel speed and other characteristics. It is mainly applied to three types of soil in a shallow dig short run,hydraulic drive system bulldozers such as land clearing or leveling, excavation depth of excavation and backfill little push small building height roadbed

mechanical dozer

mechanical dozer It can be divided into general-purpose and special type two. Universal is carried out according to standard production models, widely used in earthwork. Special type for a particular condition, there is a wide triangle track shoes to reduce ground pressure bulldozer wetlands and marshes bulldozers, amphibious bulldozers, underwater bulldozer, bulldozer cabin, unmanned bulldozers, high altitude and high- wet conditions bulldozer job and so on.construction Mechanical Standard Bulldozer leveling the building venues. For example, in the construction of road construction, the bulldozers can complete the process of subgrade, roadside soil lateral Tim building height of not more than one meter of embankment along the centerline of the road towards the shovel to dig transferred, transported soil roadbed Watian engineering, taking the mountain construction of part - cut soil subgrade. In addition, the bulldozer can be used for leveling the ground and accumulation of loose materials, removal of obstructions and other operations within the lot

Bulldozers one kind by a tractor driven machine

Swamp hydraulic crawler dozer one kind by a tractor driven machine, there is a broad and blunt horizontal shoveling to clear land, road structure or similar work. Is widely used in earthwork, bulldozing working equipment are the main components to work under load, and the load is transferred to the body, the force is very bad.As technology advances, the bulldozer power has been used in all diesel engines, dozer blade and ripper all lift by the hydraulic cylinder. Bulldozer except Crawler Earthmover, There are tire-type tractors, it appears a decade later than the crawler tractor around.As technology advances, the current power has been used in all diesel bulldozers, dozer blade and ripper all lift by the hydraulic cylinder. In addition to crawler tractors bulldozers, there are tire-type tractors, it appears a decade later than the crawler tractor around. China's production of bulldozers, after the founding of New China is only the beginning.

Mechanical Bulldozer Supplier

First, the use of Notes

1. After the first use of the new machine should be run-in phase, not directly put into use. In the "run-in" process, paying particular attention to lubrication and maintenance, and inspection instruments, found fault immediately removed.

2. When the ambient temperature is below 5 ℃, the cooling water should be heated to 80 ℃ and then added to the tank, Mechanical Bulldozer Supplier turn on the water until after the cut-out of the door and turn off, and then continue to fill.

3. diesel engine starting, warm-up operation must be no load, the oil does not reach the scope of work, do not start driving.

4. In the initial process:

Never pulled directly from the neutral position of the second gear or third gear, so as bulldozers starting speed is too large, causing excessive transmission components to withstand shock loads.

Before hanging files, do not pull the throttle lever maximum throttle position.

Each lever plates move position must be accurate, MYW Bulldozer complete, not suspended, so as not to slip the clutch friction plate, causing severe burns, wear and tear.

5. In the process of shifting with the advance and retreat:

When operated shift lever, should be riding the accelerator pedal, and then pull the shift lever.

Such as the need to shift from one gear to pull, the car is not running, can be pulled from the neutral position to a gear, then pulled the desired range.

If there is no special need to avoid high-speed pivot turn, in order to avoid serious wear and tear or other damage to the running system.

6. On the steep slope:

Bulldozer use precautions and checks

Mechanical Track bulldozer line slope angle can not be greater than 30 degrees vertical and horizontal can not be greater than 25 degrees, under normal circumstances, you should avoid large angle slope line, in particular to avoid the lateral line of wide-angle slope. If you must travel on steep slopes, then the driver should be selected after a certain amount of training or have experience, to prevent the accident.

When the hydraulic drive system bulldozer move forward on the steep downhill, you should select a low gear, the engine throttle lever position should be placed on a small opening, and should pay attention to control the total brake pedal to prevent slip car.

When the bulldozers move forward on the steep downhill, if you need to move, manipulate the process with the same general shift manipulation process. However, due to its own weight bulldozer on steep slopes can produce downward trend, so pull the brake lever and steering the whole time not too long used. If you pull the lever half of the trip, only the side of the steering clutch, bulldozers will be under the influence of its own weight, to the opposite side of the slow turn. This is the ground turned to the opposite effect, please pay attention to the operator.

hydraulic dozer manufacturers

hydraulic dozer manufacturers in the floating point unit has also been completely redesigned, you can share resources between different cores. Within each Bulldozer module has two 128 shared multiply-accumulate unit (FMAC), each core can execute 128 instructions, or each module executes 256 instructions.
bulldozer hydraulic cylinder floating point unit also improved support a large number of new instruction set. Phenom II X6 is just 128 floating point, Intel Sandy Bridge adds SSSE3 / SSE4.1 / SSE4.2,128 / 256 位 AVX, a week of two 128 AVX, a week of 128 AVX + SSE. Not only will these carte bulldozer whole new floating-point unit The new floating-point unit to close, also exclusive support FMA4 multiply-add instruction, XOP extended operation instruction

Mechanical Standard Bulldozer

The front (Front End) mission is to drive processing pipeline, ensure that the core at any time to obtain the required information.hydrostatic driven dozer, each with a front-end module, and be responsible for one of the two core shared front-end design shared front-end design allocating thread. Here AMD also made drastic improvements, involving unrelated prediction and pick up the line, targeted instruction prefetch prediction and so on. A prediction can queue management level, direct, indirect branch two branch target buffer (storage destination) required. Bulldozer module can decode up to four instructions per clock cycle, while the K10 Phenom II only three. In other words, Mechanical Standard Bulldozer from the three launch into a four transmit, like Intel Sandy Bridge

swamp hydraulic crawler dozer

swamp hydrostatic dozer‬ in a horizontal plane and the longitudinal axis is inclined at an angle, but also roll in the vertical plan bulldozer manufacturer is AMD's complete redesign American architecture, in October 2011 officially launched high-end enthusiast users with native DDR3-1866 memory support, XOP instruction set, modular design and many new features, completely replace yilong II series processors swamp hydraulic crawler dozer attachment traction, with high speed, mobility, semi-rigid base can be individually cut including soil, earth and dump work, flexible operation, convenient transfer required a smaller working surface, high efficiency short distance earthmoving

hydrostatic driven dozer

construction earthmover leveling the building venues. For example, in the construction of road construction, the bulldozers can complete the process of subgrade, roadside soil lateral Tim building height of not more than one meter of embankment along the centerline of the road towards the shovel to dig transferred, transported soil roadbed Watian engineering, taking the mountain construction of part - cut soil subgrade. In addition, the hydrostatic driven dozer can be used for leveling the ground and accumulation of loose materials, removal of obstructions and other operations within the lot

mechanical dozer

Track Dozer It can be divided into general-purpose and special type two. Universal is carried out according to standard production models, widely used in earthwork. Special type for a particular condition, there is a wide triangle track shoes to reduce ground pressure bulldozer wetlands and marshes bulldozers, amphibious mechanical dozer, underwater bulldozer, bulldozer cabin, unmanned bulldozers, high altitude and high- wet conditions bulldozer job and so on.

Chinese bulldozer

bulldozer manufacturer Is a by a tractor driven machine, there is a broad and blunt horizontal shoveling to clear the land, road structure or similar work, is an engineering vehicle with a large metal front dozer blade, dozer down when using knife, chipping ahead and push the mud, sand and stones, dozer blade position and angle can be adjusted. Chinese bulldozer digging can be done individually, earth and dump work, with flexible operation, convenient rotation required Face small, travel speed and other characteristics. It is mainly applied to three types of soil in a shallow dig short run, such as land clearing or leveling, excavation depth of excavation and backfill little push small building height roadbed.

Bulldozer features

Mini bulldozer one kind by a tractor driven machine, there is a broad and blunt horizontal shoveling to clear the land, road structure or similar work. Bulldozing ahead with a large metal knife, put down the knife when using bulldozing forward chipping and push mud, sand and stones, dozer blade position and angle can be adjusted. Bulldozer digging can be done individually, earth and dump work, with flexible operation, convenient rotation required Face small, travel speed and other characteristics. Mechanical Drive Crawler Bulldozer and adaptation of western development plateau bulldozer

bulldozers life

Steel wheel roller DRUM construction bright grind,swamp crawler bulldozer with blade grind and sheep-foot roller grooves and the like. Light grind most common, mainly for pavement compaction, especially triaxial three Roller (see pictures). Compaction can concentrate on the protruding portion, compaction flatness, suitable for asphalt compaction. Axle arranged by uniaxial single wheel, dual-axis wheel, biaxial and triaxial three and so on three species.
Hydrostatic roller mechanically own gravity, so be compacted and dense layer of permanent deformation. It is divided into two types of steel wheel and tire.

principle bulldozers

Roller is a construction machinery. DRUM use rolling action of soil, roadbed and road pavements dense cushion of self-compacting machinery. Widely used in roads, embankments and dams and other projects.
DRUM use rolling action of soil,swamp crawler bulldozer with blade roadbed and road pavements dense cushion of self-compacting machinery. Widely used in roads, embankments and dams and other projects. Press compaction principle has hydrostatic vibratory roller compactor and the lik.

bulldozer hydraulic

bulldozer hydraulic cylinder pump impeller wheel assembly connected by bolts and drive housing, a drive gear connected by bolts and drive housing. Drive gear directly into the engine flywheel circle, so the pump wheel rotates with the engine. Guide wheels connected by a bolt and guide wheel, guide wheels connected by a spline and guide wheel base, the guide wheel base and connected by bolts and converter housing, so the guide wheel and the converter case together, are not rotated. Turbines and turbine hub riveted together with rivets, and then through the splined output shaft and the turbine, the turbine output shaft splines and coupling connection through the power transmission to subsequent transmission. Pump wheel rotates together with the engine, the power input, the guide wheel does not rotate, rotation of the turbine, the power output of between three independent, inter-wheel gap of about 2mm.
swamp hydrostatic dozer cylinder pump wheel, turbine wheel itself by a number of guide vanes, to be known cascade blades constituted by the song, was a complex shape. Torque converter at work, Cascades is full of fluid required in high-speed rotating impeller, impeller blades of fluid under the action of centrifugal force along the surface flow outward toward the exit of Cascades turbine cascade exports flow to the heart and then make, and from turbine cascade outlet guide vanes exit gate of imports through the guide wheel cascade flows back into the pump wheel turbine cascade along the surface. Impeller, circular space turbine cascade consisting of guide wheel, called torus. Due to the curved shape of turbine cascade design, determine the turbine and the pump wheel rotates in the same direction. Thus, the torque converter cascade loop round the oil, on the one hand in a circle rotation cycle, on the one hand and with the pump and turbine rotation, thereby forming a complex spiral movement, this movement, the energy from the pump passed to the turbine wheel.

bulldozer performance

The use of a torque converter and power shift combination of hydraulic mechanical transmission, a continuously variable transmission with automatic torque converter,swamp hydraulic crawler dozer the ability to adapt to changes in load, and automatically shift, reducing shift times, manipulate lightweight and flexible, so that bulldozers operating efficiency.

Swamp hydraulic crawler bulldozer performance

Construction road construction, swamp hydraulic crawler dozer process to be completed at the end of the subgrade, roadside soil lateral embankment filling height of not more than 1m along the centerline of the road transport shift shovels soil roadbed Watian project, hillside take construction of part - cut soil subgrade. In addition, the bulldozer can be used for leveling the ground and accumulation of loose materials, removal of obstructions in the work area and the like. Bulldozer in the construction, road building, mining, oil, water and electricity, ports, agriculture, forestry and defense all kinds of projects, have been very widely used. It bears a cutting, pushing, excavation, stacked, backfill, smooth, loose, compaction, and other heavy earthmoving, construction is indispensable to all kinds of major equipment.

swamp crawler bulldozer with blade

Swamp hydraulic drive bulldozer Hydraulic transmission not only ensures smooth gear power conversion, and can be achieved with a single joystick fast conversion speed and direction.swamp crawler bulldozer with blade The compact arrangement of the meter box below the air conditioning system structure, beautiful and practical, to improve the driver's operating environment. With a reasonable new exterior design and paint the whole, reflecting the characteristics of Shantui.

Hydraulic crawler dozer blade

swamp hydraulic crawler dozer torque converter is to rely on the work. Fluid flow in the Cascades, due to impact, friction, consumes energy, heat the oil, so torque converter transmission efficiency is relatively low. The best track dozer hydraulic torque converter and abroad Bulldozer its maximum efficiency of 88%. When the torque converter turbine due to overload and stop turning bulldozers, wheel coming from the pump all the energy is converted into heat and consumed, when the torque converter efficiency is zero.

Bulldozer blade varieties

 swamp crawler dozer blade swamp hydraulic crawler dozer may vary for different purposes, use and size. The blades are usually made not pressed, no mechanical forces to help building because this durability of heavy metals. Bulldozer blade has three main varieties of "S" type curved side of the blade, "U" type curve and "Soviet-style" in the center, but it is not uncommon to see the edge of the short curved sides.

Bulldozer is tracked or tyred tractor tractor special chassis as the host

In recent years, with the rapid development of hydraulic integration technology, the traditional mechanical, swamp hydraulic crawler dozer of the operation is complicated, labor-intensive, low productivity, system failures and other shortcomings more so can not meet the requirements of production operations, the development of intelligent construction machinery has become a trend. With the continuous development of science and technology, hydraulic drive bulldozers  increasingly showing strong vitality, foreign hydraulic drive technology matures, more and more applications in the bulldozers, a great tendency to replace the traditional forms of transmission.

Swamp dozer is a crawler tractor or tractor tire special chassis as the host, together with the suspension blade (some also have ripper apparatus) of one self type earth-moving machinery. Bulldozer at work, the shovel knife buried in, rely on forward travel drive system provides power to complete the cutting, pushing soil work, sometimes used as a filling, flat, tillage work. Bulldozer used to lift heavy physical labor, accelerate the construction schedule, to ensure construction quality. So it is a widely used in construction, road building, mining, agriculture, forestry, construction and other areas of basic national defense construction machinery.

Bulldozer main clutch slip

When the hydraulic drive bulldozers main clutch slip, engine speed to normal without black smoke, work equipment is working properly, but the machine climbing difficult, you can not even walk. Master clutch slip full hydraulic crawler bulldozer most common faults, for two main reasons: the main, driven pad wear; adjust the latch plate open welding; the main clutch lever is not in place; the adjustment plate and the flywheel cap end of thread engagement is poor. Clutch slip fault sometimes very tricky, general mechanic treatment is repeated rotational adjustment plate. If several adjustments to adjust the clutch still slips after hours, it is often the first remove the transmission and clutch master blindly demolition Mechanical Standard Bulldozer, so not only can not find the point of failure and damage to other parts easily, delays in production, the result will cause great economic losses. To this end, the investigation should be carefully analyzed in order to be effective based on the possible causes of

At the appropriate time the track pin and pin sleeve upside down

In the wear process 160hp hydraulic bulldozer pin and pin bush, the track is gradually stretched away steadily, resulting in poor driving wheel engages with the pin set, resulting in breakage and drive pin sets abnormal wear tooth surfaces, it will cause hunting, beat, impact greatly shorten the life of the running gear. By adjusting the tension level when the recovery is still not pitch, you need to hydrostatic drive bulldozer pins and collars upside down to get the track right away steadily. There are two decisions in the field of the track pin and pin bush plane turning moment; one way is to check the time and pulling steadily set track 3mm; the other way is to check the lock pin wear sleeve outer diameter 3mm moment.

Bulldozer main clutch friction disc clearance

small swamp bulldozer working process, such as the main clutch gradually slipping phenomenon then need to adjust the master clutch plates gap, the adjustment amount generally should not be greater than the width of the toggle. After the primary clutch work 40h, friction disc clearance will need to be adjusted. Adjustment method is to first check the joystick movement is flexible, manipulate the process is due to loose bolts the respective operating element is not in place, for these anomalies should first be excluded.
Press to loosen, tighten and positioning adjustment after the order. Specific adjustment steps are: first remove the Hydraulic Driven bulldozer main clutch cover, loosen the stopper nut. Such as joysticks forward position, indicating adjustment too tight, it should loosen; After adjustment, tighten the stopper nut, installed other parts. Prices loader with a wrench or apply force to the toggle lever connections, turn the adjustment ring (main clutch tight clockwise and counterclockwise turn loose the main clutch;) Write down the main clutch lever engaged position; adjust the main clutch, no Power forcibly pulling (250 ~ 300N), if the main clutch lever position and note the location of the same adjustment is completed.
If it does not rebound and slip clutch lever (ie universal and does not turn), then after the friction plate gap adjustment too loose, such as repeated friction disc clearance adjustment, still can not achieve predicted results, you should check the location of the booster valve and snap ring Each connecting rod machine capable of adjustment is appropriate. In operation, as found in the main clutch lever rebound phenomena (ie heavy load master clutch automatic separation), from the point of view of friction disc clearance is adjusted too tight.

Such mechanical traction bulldozer determine the level of work productivity

Because swamp hydraulic crawler dozer In the course of its work means a state of passive state, the need to travel agencies traction down to advance the work, so it is called mechanical traction. All towing vehicle drive system to withstand traction load working device, which is a dramatic change, fluctuation of non-stationary random load; swamp hydrostatic dozer towing vehicles generally no job quality requirements, and therefore does not require the stability of the work, but the pursuit of adaptive coordination (to achieve this speed and load capacity between mainly depends on the performance of the travel control system ), the purpose is to make full use of engine power, improve operational productivity, reduce specific fuel consumption, the pursuit of power, economy, job productivity. Thus for this type of traction bulldozer machinery, the travel drive system and with control system performance are important factors exert influence bulldozer operating performance, determine the level of work productivity, we can see on the bulldozer with the drive system and with the control system Research is very necessary and important.

Construction Machinery walking transmission currently there are four ways that the mechanical transmission, hydraulic transmission, hydrostatic transmission and power transmission. Wherein the hydrostatic transmission compared to other transmission mode has its unique advantages, which in the past few years more and more attention in order to be widely adopted.

History of bulldozers

Swamp hydrostatic dozer as an important variety of construction machinery, for workers to alleviate the heavy manual labor, improve the level of mechanization of construction, speed up construction progress, promote the development of various undertakings, it has played a big role, therefore, to develop a hydraulic excavator, for improving labor productivity and accelerate the development of the national economy is significant.

Chinese Earthmover production, after the founding of New China only started. Earth-moving equipment was originally installed on agricultural tractors. With the development of the national economy, large-scale mining, water conservancy, power plants and transportation sector demand for medium and large track-type tractors is increasing, China's medium and large Crawler Earthmover Manufacturing Although great progress, but it has been unable to meet the needs of national economic development. To this end, since 1979, China has from Japan's Komatsu and Caterpillar Crawler bulldozer introduced the production technology, process specifications, technical standards and material system, digestion and absorption through research and key technologies, in order to form the current 20th century 80--90 years Komatsu technology products for leading pattern.