CN102029934A - Super-heavy mining dump truck - Google Patents
Super-heavy mining dump truck Download PDFInfo
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- CN102029934A CN102029934A CN 201010590764 CN201010590764A CN102029934A CN 102029934 A CN102029934 A CN 102029934A CN 201010590764 CN201010590764 CN 201010590764 CN 201010590764 A CN201010590764 A CN 201010590764A CN 102029934 A CN102029934 A CN 102029934A
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Abstract
The invention discloses a super-heavy mining dump truck, which belongs to the field of mining dump trucks. The super-heavy mining dump truck comprises a chassis and a truck body, wherein the chassis comprises a transmission system, a running system, a steering system and a braking system; the truck body comprises a cab and a container. The mining dump truck is characterized in that: a frame in the running system is a welded box type variable section frame without a secondary frame; the transmission system comprises a 6*4 mechanical transmission driving device; a middle axle and a rear axle in the running system form a dual driving axle; a rear suspension consisting of the middle axle and the rear axle in the running system is a hydropneumatic balance suspension with an energy storage adjusting mechanism; front wheels are single tires with the tire nominal section width, rim nominal diameter and tread ply of between 33.00-51-58 and 27.00-49-48; and middle wheels and rear wheels are double tires with the tire nominal section width, rim nominal diameter and tread ply of between 24.00-49-48 and 21.00-35-36. The invention is mainly used for manufacturing a domestic super-heavy mining dump truck which is suitable for domestic working conditions, has high efficiency and is low in using cost.
Description
Technical field
The present invention relates to superduty quarry tipper field, specifically a kind of material transport vehicle that is used for fields such as mine, building, water resources and hydropower construction.
Background technology
Domestic in recent years reaching in the world in some coal mining districts extensively replaces the hole with surface mining and adopts.The strip mining transformation technology is with lower cost of winning, high collecting efficiency, a series of characteristics such as mining environment of safety, under the not too dark operating mode in coal seam, has the hole to adopt incomparable advantage.In the existing Storage, explored colliery of China, the coal seam on ground such as Inner Mongol, Qinghai, Xinjiang is all more shallow, is fit to strip mining transformation.These mining areas cause yearly output not satisfy the domestic coal demand that increases severely day by day far away owing to lack large-scale mining car, and the aggravation year by year of this state that supply falls short of demand.
The technology of at present external large-tonnage dumping car is comparatively ripe, mainly can be divided into two big classes: mechanical drive (mechanical wheel) power drive (electric drive wheel).The engineering tyre of 4 * 2 drive forms, casting vehicle frame, same model, full imported hydraulic valve group, the V-type containers of adopting more.Foreign technology enters the home market, and have in the face of two subject matters: 1. the price of the mining car of import is too high, allows a lot of clients hope and halts.2. annual tens0000 even the maintaining expense of hundreds of thousands of, also allow a lot of clients headache for it.Therefore research and develop a kind of homemade superduty quarry tipper, become the extremely urgent work in face of compatriots of a pendulum.4 * 2 existing mechanical wheel that drive adopt V-type or band to stick up the container of tail, and between front and rear wheel, the distribution of load of forward and backward bridge is accomplished reasonable distribution to the goods barycenter easily substantially.Adopt the V-type container, the container internal dimensions of the loading space is less, when the little density material of transportation, and the carrying capacity of out of reach expection.Present status in China is that the superduty quarry tipper is used for transporting the earthwork, the less dust-like material of coal equidensity more.Adopt flat container, container effectively utilize the space big, load volume is big, is fit to the little density material of transportation.As adopt 6 * 4 drive form, flat cargo box structure, cargo mass to concentrate on mostly on the middle back axle, and it is less to cause weight on front axle to distribute, and back axle has the possibility of single bridge overload in the while.
The vehicle frame of superduty quarry tipper adopts the form of foundry goods and weldment combination more, adopts casting structure for stressed place of comparatively concentrating, and adopts plate construction for the place that load distribution is less.Foundry defects such as sand holes, carbon distribution appear in casting structure easily, especially for framing members such as baroque crossbeams, and the bad control of casting quality.Stress concentration appears in the solder bond place of foundry goods and sheet material spare easily.Adopt the vehicle frame of sheet material Type of Welding, the vehicle frame forming process is simple, but needs to solve the requirement of superduty carrying.Adapting to the comparatively desirable state of national conditions is: have superduty chassis, load distribution rationally, powerful, manoeuvrable, carrying capacity is big, with short production cycle, the life-cycle use cost is low, the quarry tipper of independent intellectual property right.For realizing that above-mentioned functions need address the problem: the contradictory problems of superduty dumping car vehicle frame rigidity and toughness; Transporting low-density dust-like material needs the container of big volume; Adaptation distribution of load and withstand voltage situation 4 * 2 forms of ground-surface no longer are suitable for need select new drive form for use; Under the prerequisite that ensures instrumentality, improve manoevreability, stability as far as possible.
Summary of the invention
The objective of the invention is to solve above-mentioned technical matters, a kind of high efficiency is provided, the homemade quarry tipper of low use cost.
The technical solution adopted for the present invention to solve the technical problems is: a kind of superduty quarry tipper, comprise chassis and vehicle body, the chassis comprises transmission system, running device, steering system and brake system, vehicle body comprises operator's compartment and container, it is characterized in that the vehicle frame in the running device is that welded type does not have subframe box variable cross-section vehicle frame; Transmission system comprises 6 * 4 mechanically operated actuating devices, in the running device in, back two bridges form one group double drive axle, in the running device by in, the back rear suspension formed of two bridges is the gas and oil equilibration suspension of being with the accumulation of energy regulating mechanism; Front-wheel is the single tire of 33.00-51-58 to 27.00-49-48, and middle wheel and trailing wheel are the twins of 24.00-49-48 to 21.00-35-36.(33.00-tire name section width, 51-wheel rim nominal diameter, 58-tyre surface level)
Can with load more be assigned to propons, increase the tack of front-wheel, satisfy the rational requirement of distribution of load; Box-type section has solved the requirement of overweight carrying, and the equal stress of rationally arranging the version in cross section to help vehicle frame distributes, and satisfies the requirement of overweight carrying; Under the prerequisite that satisfies general oil gas spring function, has the effect of leakage of oil automatic compensation simultaneously, satisfy the requirement of high stability, the effect of cooperatively interacting by said structure makes car load reach the delelivered payload capability of 90t～120t, and have good results such as high safety, stability, crossing ability, lower service expenditure, fuel oil consumption.Adopt 6 * 4 drive form, this drive form loads tonnage at this and belongs to initiative.
It is that cross member of frame is a cylindrical cross-section by the vehicle frame of two gantry frame type box variable section structures of sheet material welding fabrication that described welded type does not have subframe box variable section vehicle frame, and chassis side rail is the box section; Longeron altitude datum value H is 550mm-650mm; Chassis side rail comprises front and rear, and the height of longeron front portion is 50%-65%H; The dual hump structure is adopted at the chassis side rail rear portion, and the summit height value is 2.2～2.9H; Longeron width a reference value B is 180mm-220mm, and the anterior width of longeron is 65%-80%B; Arc transition or level and smooth chamfered transition are adopted in variation place of longeron depth of section and width.
Vehicle frame is all by the steel plate welding fabrication.
The vehicle frame front portion is set with two portal frames of being made up of preceding portal frame and back gantry, and the platform, two portal frames and the platform bolted connection that are supported by two portal frames.
The gas and oil equilibration suspension comprises oil gas spring bracket, oil gas spring, oil gas spring connecting line; Wherein oil gas spring bracket upper end is provided with cushion blocking, and the connecting panel of oil gas spring bracket and vehicle frame adopts butterfly plate; Be provided with the energy storage pressure regulating device between the homonymy oil gas spring connecting line.Oil gas spring bracket upper end is provided with cushion blocking, has optimized the strained condition of support.The connecting panel of oil gas spring bracket and vehicle frame adopts butterfly plate, has improved the strained condition of junction.
The through driving vehicle bridge that middle back axle adopts two-stage main reduction gear and two-stage wheel reduction gear to form; Wherein the main reduction gear speed ratio is 1.5～2.2, and the wheel reduction gear speed ratio is 11.5～13.5, and the vehicle bridge overall ratio is 18.5～25.Container adopts plain base.The container bottom is provided with the container heating arrangement.
Described container heating arrangement comprises flue that is arranged on the cargo floor and the connecting device that is communicated with freeing pipe and flue, described connecting device comprises the price fixing that is fixedly set on the freeing pipe, price fixing is provided with floating disc, the screw rod elastic support of floating disc by being set with spring is above price fixing, be fixed with the container air inlet and connect dish on cargo floor, the container air inlet connects dish and docks by bell with floating disc.
By the sheet material welding, obtain the chassis side rail of box section.Utilize the high bending resistance resistance to torsion of box-type section, obtain the ability of superduty carrying.It is uneven that carload distributes, and chassis side rail leading portion on short transverse is different with back segment, and the leading portion height is 50%-65%H.The vehicle frame leading portion is mainly born the weight of water tank, bumper/spoiler, part water tank guard shield, the longeron effect of altitude of leading portion to leading portion load-carrying capacity, vehicle angle of attach, affect indirectly driver's seat.Select the leading portion longeron height value that is lower than 50%H for use, on the one hand: cause carrying of leading portion longeron and distortion to worsen; On the other hand: the variation in longeron cross section is too big, causes that transition effect is undesirable, changes of section place stress concentration.Select the leading portion longeron height value that is higher than 65%H for use.On the one hand: the vehicle leading portion ground Clearance diminishes, and the vehicle angle of attach diminishes, and has influence on the car load crossing ability; On the other hand: because the longeron height becomes big, water tank, water tank guard shield are all followed and are moved, and driver's seat is affected, and the blind area increase is unfavorable for driving.The present invention selects the leading portion longeron height value of 56%H for use, under the prerequisite that guarantees the carrying function, reduces the driver's seat blind area, increases angle of attach, improves crossing ability.Chassis side rail on Width neither be equivalent, and middle leading portion longeron width is 65%-80%B.The leading portion longeron is mainly born the weight of parts such as driving engine, operator's compartment, and this section is in front end and the stressed intermediate transition zone of back segment.The longeron width has influence on the operability of longeron anti-twisting property, load-carrying capacity, engine maintenance maintenance.Select the longeron width value that is lower than 65%B for use, on the one hand: cause chassis side rail carrying, distortion to worsen vehicle frame leading portion bad stability; On the other hand: the variation in longeron cross section is too big, causes that transition effect is undesirable, changes of section place stress concentration.Select longeron width value for use greater than 80%B, on the one hand: be unfavorable for the daily service maintenance of driving engine, on the other hand: driving engine or too near by annex and chassis side rail distance, because the vibration during engine operation or because ground-surface jolts will cause driving engine or scraped by rubbing of annex and chassis side rail.The posterior segment chassis side rail adopts the dual hump structure, and the summit height value is 2.2～2.9H.Dual hump structure longeron is intended to strengthen the load-carrying capacity and the resistance to bending at hump place, the installation of sit to make things convenient for propelling rod, crossbeam, overturning oil cylinder to support, enforced opening mechanism sitting back and waiting strut member.The height of hump mainly influences longeron carrying, resistance to bending, the position of strut member, performances such as car load road clearance.Select hump value for use, on the one hand: longeron carrying, resistance to bending out of reach less than 2.2H; On the other hand: the lower and upper cross-member distance is too near, is unfavorable for the propelling rod layout, and it is too near that the welding region of while lower and upper cross-member and longeron leans on, and causes thermal stress to concentrate, and welding process is bad.Select the hump value greater than 2.9H for use, summit is too little apart from ground distance, and the car load road clearance is too little, and the car load crossing ability is bad.The present invention selects the hump value of 2.6H for use, and the transition of longeron depth of section and width is adopted arc transition or level and smooth chamfered transition, to reduce the stress concentration at variable section place.The size in each section longeron cross section is all set according to the requirement of equal stress beam, reduces chassis frame height, and then reduces the car load barycenter, improves whole vehicle stability.
Adopt the beneficial effect of said structure to be: to adopt full sheet material welding fabrication vehicle frame, obtain good forming process, adopt the vehicle frame of box variable section, the longeron of dual hump structure, the crossbeam of cylindrical in cross-section, when guaranteeing to satisfy load bearing requirements, improve vehicle frame stability, equal stress, reduce the car load barycenter, improve stability, crossing ability.
The vehicle frame leading portion is provided with the detachable platform that two portal frames support, this platform one side: as the support of operator's compartment, and provide the support of walking on stage.Adopt this structure can reduce the stress deformation of operator's compartment to greatest extent, strengthen the stability of strutting system of walking on stage to greatest extent.As the support of preceding oil gas spring, provided support by annex for other.On the other hand: form framed structure with the vehicle frame left-right longeron, strengthen stability, the torsional strength of vehicle frame.The lifting driving engine is convenient when considering the current maintenance maintenance of driving engine and car load overhaul, and platform adopts detachable structure.Adopt the beneficial effect of said structure to be: to reduce the stress deformation of operator's compartment, prolonged the service life of operator's compartment.Improve the support stiffness of walking on stage, improved walk on stage stability and bearing capacity.A framing member plays a plurality of effects, has simplified parts, has improved the compactedness of car load.Be convenient to dismounting, improved maintenance operation.
The superduty quarry tipper has the characteristics of overweight carrying, middle back oil gas spring is stressed very big, act on the power on the oil gas spring, pass to vehicle frame by oil gas spring bearing, finally cause oil gas spring bearing stressed very big, if this power is very big, will causes oil gas spring bearing distortion even tear from vehicle frame.The row technology adopts the method that strengthens oil gas spring bearing thickness of slab, the number that strengthens tie bolt and specification to solve.Existing technology can only satisfy the instrumentality requirement, cures the symptoms, not the disease.Back axle oil gas spring bracket upper end is provided with oil gas spring bearing cushion block among the present invention, and it is stressed to optimize oil gas spring bearing.When the present invention is carried, container contacts with the oil gas spring bearing cushion block that is installed in oil gas spring bearing upper end, sharing on the oil gas spring bearing cushion block of the mass fraction of container, the application force of this part quality, pass to power on the oil gas spring bearing cushion block with the oil gas spring by oil gas spring bearing, direction is opposite, thereby offsets a part, has reduced the stressed of oil gas spring bearing.
Adopt the beneficial effect of said structure to be: to utilize oil gas spring and container that the application force of oil gas spring bearing is cancelled out each other, improve the stressed of oil gas spring bearing, reduced the fault rate of vehicle frame.
By investigation to market, domestic mine, find that the vehicle frame problem has more greatly, the junction of oil gas spring bearing and vehicle frame, this is the place that a little stress are comparatively concentrated.Butterfly plate is adopted in the junction of oil gas spring bearing of the present invention and vehicle frame, stressed with oil gas spring bearing, and the level and smooth vehicle frame that passes to has reduced the stress concentration of oil gas spring bearing and vehicle frame.
Adopt the beneficial effect of said structure to be: by adopting the butterfly connecting panel, stress is seamlessly transitted, it is stressed to optimize vehicle frame, reduces the vehicle frame fault rate.
The superduty quarry tipper has the characteristics of overweight carrying.Adapt to load bearing requirements, must have very big transmitting ratio, the high-revolving power of little torque with driving engine output changes the slow-revving power of big torque into.In variable ratio drive system, same total converter speed ratio, the distribution of main reduction gear and wheel reduction gear converter speed ratio directly has influence on the crossing ability of automobile, the fabrication properties of gear.Existing technology is distributed with the tonnage transmitting ratio, adopts the main reduction gear of 3～5 converter speed ratios, the wheel reduction gear of 5～8 converter speed ratios more.In order to improve the axle housing ground Clearance as far as possible, improve the car load crossing ability.Converter speed ratio of the present invention distributes: the main reduction gear speed ratio is 1.5～2.2, and the wheel reduction gear speed ratio is 11.5～13.5, and the vehicle bridge overall ratio is 18.5～25.Overall ratio according to this proportional distribution, is intended to adopt less base ratio, and bigger wheel reduction gear when obtaining enough power, improves the axle housing ground Clearance as far as possible, improves the car load crossing ability.The main reduction gear speed ratio less than 1.5 wheel reduction gears greater than under 13.5 the situation, converter speed ratio is less for main reduction gear, main reduction gear Gear Processing manufacturability is good, the axle housing ground Clearance is big, help crossing ability, but will cause the wheel reduction gear converter speed ratio excessive, if reduce driving wheel, planetary size, under the certain situation of carrying, driving wheel, planetary size can not have too many compression space; Pinion shaft, compensating-gear shaft resistance to bending conflict mutually with transmission performance; Lubricating, cooling off of planetary wheel, compensating-gear shaft is all inconvenient.If strengthen driven gear, the wheel reduction gear size is too big on the one hand; The bad control of canine tooth gear teeth idioplasm amount on the other hand, the Gear Processing manufacturability is poor.Less than under 11.5 the situation, the wheel reduction gear size is less greater than 2.2 wheel reduction gears for the main reduction gear speed ratio, and Gear Processing manufacturability, gear and gear wheel shaft are lubricated, cooling property is all better.But the main reduction gear converter speed ratio is excessive, causes middle rear axle case on the one hand, and especially the axle housing centre portion is oversize, has a strong impact on automobile pass ability; Cause the bigger variation in axle housing cross section on the other hand, owing to be subjected to the restriction of axle housing overall dimensions, the variation of centre portion and two end sections can not be accomplished to seamlessly transit, and causes the axle housing cast shaping process poor, occurs foundry defect easily.The present invention adopts main deceleration speed ratio 1.786, and hub reduction is than 12.143, and overall ratio is 21.69 converter speed ratio forms of distribution, when ensureing enough power, guarantees enough ground Clearances, guarantees the car load crossing ability.
Adopt the beneficial effect of said structure to be: when ensureing enough power, to improve the ground Clearance as far as possible, guarantee the car load crossing ability.Gear size at different levels are all less, and fabrication properties is good.The axle housing Forming Quality is controlled well, and load-carrying capacity is strong, and fault rate is low.
The superduty quarry tipper has the characteristics of superelevation, and the car load barycenter is higher, poor stability, domestic present most of mining area belongs to no road or crankcase ventilaton road conditions, car load jolts more serious, reduces the car load barycenter under this operating mode, will improve whole vehicle stability, anti-side rollover resistant capability greatly.Existing technology adopts the extra heavy tyre of unified specification for satisfying the requirement of carrying.This version car load barycenter is higher, and anti-side rollover resistant capability is poor.Adopt the different size tire need solve the problem of load-carrying capacity, distribution of load.
For addressing the above problem, the tire of two kinds of specifications before and after the present invention has adopted.Wherein front-wheel adopts 33.00-51-58 to the single tire of 27.00-49-48, and middle trailing wheel adopts the twins of 24.00-49-48 to 21.00-35-36.When satisfying carrying, reduce the car load barycenter, improve crossing ability.If adopt the front-wheel greater than 33.00-51-58, will bring: the load safety factor is too big, turn to adverse effects such as difficulty, barycenter uprise.If adopt the front-wheel less than 27.00-49-48, will bring: safety factor deficiency, lock torque are not enough, and angle of attach such as reduces at adverse effect.If adopt middle trailing wheel, will cause the car load barycenter to uprise bad stability greater than 24.00-49-48.If adopt middle trailing wheel less than 21.00-35-36, will cause the load-carrying capacity deficiency, deceleration and stopping performance descends.Front-wheel of the present invention adopts single tire of 30.00-51-52, and middle back axle adopts the twins of 24.00-35-48, guaranteeing to reduce the car load barycenter under enough carrying prerequisites, improves stability, anti-side rollover resistant capability.The present invention's propons aspect distribution of load is born 30% load, and middle back axle is born 70% load, satisfy car load brake, turn to, distribution of load when climbing, lifting.
Adopt the beneficial effect of said structure to be: the wheel of different size before and after adopting, under the prerequisite that guarantees enough carryings, reduce the car load barycenter, improve whole vehicle stability, guarantee bigger angle of attach, improve crossing ability.
Existing technology adopts V-type more or sticks up the cargo box structure of tail greatly, and this version has greater advantage when lump materials such as transportation stone, ore.Present status in China is the superduty quarry tipper, is used in the material of the little density of dust-like such as the transportation earthwork, coal more.Under this operating mode, V-type or stick up the cargo box structure of tail greatly, internal dimensions of the loading space can not satisfy the requirement of loading tonnage far away.Adopt the plain base container, internal dimensions of the loading space is big, can satisfy the requirement of overweight carrying.But if be not with back shield, goods will flow down voluntarily from container, and the most obvious when especially going up a slope, the container actual weight of load is had a greatly reduced quality; If adopt the band back shield, can prevent that goods from flowing voluntarily from container, the enough carrying capacitys of following assurance.When but goods came down in torrents, back shield can not in time be opened, and to the inhibition that flowed of goods, goods can not in time come down in torrents; After back shield was opened, the opening angle between back shield and the container was little, and the limited space system of goods flow causes goods to come down in torrents slowly, and above-mentioned either way will causing moves after the cargo mass, back axle overload during serious words will cause.
The present invention is for to address the above problem: adopt the flat container of band back shield, at first satisfy load bearing requirements.Enforced opening mechanism is set, guarantees that goods comes down in torrents smoothly.When container begins turning, before arriving the goods slope angle of repose, just back shield is opened certain angle, solved the problem that back shield can not in time be opened.Along with the increase of container flip angle, back shield continue to be opened, and when container is turned to maximum angle, it is maximum that the back shield opening angle reaches.The opening angle of back shield much larger than angle perpendicular to the ground, is compared opening angle and is improved 1.5～2.5 times with existing technology, it is smoothly smooth to guarantee that goods comes down in torrents.
Adopt the beneficial effect of said structure to be: to adopt the flat container of band back shield, guarantee enough internals dimensions of the loading space; By enforced opening mechanism, guarantee that back shield in time opens, obtain bigger back shield opening angle, guarantee that goods is in time, come down in torrents smoothly.Back axle list bridge overload in effectively preventing.
The superduty quarry tipper is used for areas such as Inner Mongol, Xinjiang, Qinghai more at present.These region temperatures are lower, freeze easily in the container, especially easily form frost on the corner of container, have a strong impact on the coming down in torrents property of goods, cause goods can not be in time, tilt back axle overload in causing smoothly.For addressing the above problem, the present invention has adopted the container heating technique.
The exhaust gas temperature that driving engine is discharged is about 500 ℃～600 ℃, add the hot joining dish with the flue on this high-temperature gas introducing cargo floor by freeing pipe, container, waste gas flows through in flue, and cargo floor is heated, and last waste gas is discharged from the exhausr port on the cargo floor.Owing in the vehicle traveling process, have a spot of displacement between container and the vehicle frame, container needs upset so the sealing problem of container flue and freeing pipe junction.On the other hand, the container air inlet connects between dish and the floating disc relative motion, and this part can not be lubricated, and floating disc and container air inlet connect the wear problem between the dish.
For solving the above-mentioned topic that is, container heating arrangement of the present invention comprises flue that is arranged on the cargo floor and the connecting device that is communicated with freeing pipe and flue, described connecting device comprises the price fixing that is fixedly set on the freeing pipe, price fixing is provided with floating disc, the screw rod elastic support of floating disc by being set with spring is above price fixing, on cargo floor, be fixed with the container air inlet and connect dish, the container air inlet connects and groove is set on the dish docks the location with the tapered flanges on the floating disc, paste and sealing by the thrust of spring, floating disc is supported on the price fixing by spring, leans on the guiding of bolt to move along the price fixing central axis.Price fixing and exhaust pipe of engine weld together are equipped with four bolts on the price fixing, four springs of the overhead cover of bolt, and floating disc is suspended on the price fixing by the tension of bolt, the tension force of spring.Reconcile revolving and length of bolt during installation, adjusting floating disc and container air inlet connect the initial pressure between the dish, guarantee that floating disc and container air inlet connect the leak tightness of dish.By the Self-centering Action of cone-shaped interface, assurance or fall behind the container air inlet downwards and connect and coil installation site accurately.The tapered flanges of floating disc and container air inlet connect the surface of the groove of dish and all adopt electro-high-frequency hardening, improve the resistance to abrasion of mating surface.
Adopt the beneficial effect of said structure to be: adopt floating type container heating arrangements, guarantee the leak tightness of intake interface, backwardness can accurately be in place under the container upset finished, and improved the superficial hardness of calmodulin binding domain CaM, obtained good resistance to abrasion.Engine exhaust can enter container inside smoothly, and the heating cargo floor melts wallboard frost, and it is smooth and easy that goods is come down in torrents.
The superduty quarry tipper has the characteristics of overweight carrying, superelevation, and under uphill/downhill, upset such as came down in torrents at operating mode, mass transfer was comparatively obvious.For preventing single bridge overload, gas and oil equilibration need be set hang.The overweight carrying of simultaneous adaptation, oil gas spring internal pressure is bigger, occurs oil leakage phenomenon easily.
The present invention is directed to the duplex gas and oil equilibration that the problems referred to above are provided with band accumulation of energy regulating control and hang, hang by gas and oil equilibration, the oil gas spring of middle back two bridges is communicated with, the equivalence of back two bridge oil gas spring internal pressures in the assurance prevents single bridge overload.The leakage of the accumulation of energy regulating control energy automatic compensation oil gas spring that the present invention adopts, and have annunciator, when system pressure was lower than specified value, alarm equipment alarm reminded chaufeur to replenish hydraulic oil or nitrogen, makes system pressure reach specified value again.Simultaneously when system pressure has fluctuation, the accumulation of energy regulating control can the absorption portion hydraulic efficiency impact, protection system element and pipeline.
Adopt the beneficial effect of said structure to be: adopt the duplex gas and oil equilibration of band accumulation of energy regulating control to hang, the basis of back axle load mean allocation in assurance, the self-compensating pressure loss, auto alarm is reminded and is refueled, gas, and mitigation system is impacted.
Existing technology all adopts 4 * 2 drive form with the dumping car of tonnage, and this drive form transmission of power is terse.But domestic mining area mostly is soft road surface operating mode, and 4 * 2 drive form is under the situation of same load-carrying, and the positive pressure of road pavement is big, and pavement destruction is serious.Adopt 6 * 4 drive form, the car load vehicle body is longer, and turn radius is bigger.
For addressing the above problem, the present invention has adopted 6 * 4 drive form, and car load is little to ground-surface unit pressure, and the destruction of road pavement is little, and soft road surface carrying capacity is strong, adopts light tyre to reduce cost of product.The present invention has researched and developed the propons of big corner voluntarily for solving the big problem of turn radius, turns to inside lock to reach 40 ° and has reduced turn radius effectively, by going deep into the mining area firsthand investigation, can satisfy the requirement of road conditions to steering swivel system fully.
Adopt the beneficial effect of said structure to be: reduced the unit pressure of road pavement, helped protecting the road surface, soft road surface carrying capacity is strong, and turn radius is little, and carrying capacity is strong.
The present invention adopts the beneficial effect of said structure to be: adopt full welded frame, obtain good forming process, adopt the girder work of variable section, dual hump, the cylindrical shape crossbeam obtains good load-carrying capacity; Reasonable distribution legacy system converter speed ratio improves the driving system processing technology of components; Adopt flat container, strengthen efficient loading and hold; The gas and oil equilibration of band accumulation of energy regulating control hangs, and effectively prevents single bridge overload, and energy automatic compensation leakage of oil and warning; Adopt the container heating technique, can adapt to the operating mode of severe cold area.Said structure cooperatively interacts, and can reduce the car load barycenter greatly, improves whole vehicle stability.With the low approximately 500mm of tonnage technical scheme, whole vehicle stability obviously is better than existing technology to height of center of mass of the present invention than existing.The present invention all adopts domestic proven technique means in the manufacturing of vehicle frame moulding, driving system parts, and steady quality, service expenditure are low.The invention provides a kind of low barycenter, high stability, cross-country traveling ability, low maintenance expense, super large stowage capacity, soft road surface carrying capacity are strong, are fit to the superduty quarry tipper of domestic operating mode.
Description of drawings
Fig. 1 is the overall main apparent direction scheme drawing of superduty quarry tipper of the present invention.
Fig. 2 be superduty quarry tipper of the present invention totally overlook the direction scheme drawing.
Fig. 3 is the vehicle frame master apparent direction scheme drawing of superduty quarry tipper of the present invention.
Fig. 4 is that the vehicle frame of superduty quarry tipper of the present invention is overlooked the direction scheme drawing.
Fig. 5 is the through jackshaft main reduction gear structural representation of superduty quarry tipper of the present invention.
Fig. 6 is the wheel reduction gear structural representation of superduty quarry tipper of the present invention.
Fig. 7 is the middle back gas and oil equilibration suspended structure scheme drawing of superduty quarry tipper of the present invention.
Fig. 8 is the accumulation of energy regulating mechanism structural representation of superduty quarry tipper of the present invention.
Fig. 9 is the container heating arrangements structural representation of superduty quarry tipper of the present invention.
Among the figure: 1, vehicle frame, 2, driving engine, 3, the propons longitudinal rod, 4, front tyre, 5, high elastic coupling, 6, propons, 7, the change speed gear box input shaft, 8, hydraulic transmission box, 9, output shaft of gear-box (jackshaft input shaft), 10, the jackshaft tire, 11, the jackshaft longitudinal rod, 12, jackshaft, 13, the back axle input shaft, 14, the back axle tire, 15, back axle, 16, lateral rod, 17, container, 18, enforced opening mechanism, 19, elevating ram, 20, the container heating arrangements, 21, turn to fuel tank, 22, the lifting fuel tank, 23, operator's compartment, 24, airfilter, 25, battery pack, 26, water tank, 27, fan, 28, preceding portal frame, 29, back gantry, 30, the 3rd crossbeam, 31, oil gas spring bearing cushion block, 32, oil gas spring bearing, 33, the 5th crossbeam, 34, the upset supporting base, 35, the 7th crossbeam, 36, the 6th crossbeam, 37, the 4th crossbeam, 38, second crossbeam, 39, propons longitudinal rod mount pad, 40, first crossbeam, 41, bumper/spoiler, 42, the portal frame platform, 43, the vehicle frame right vertical beam, 44, vehicle frame left side longeron, 45, first order main reduction gear flower wheel, 46, first order main reduction gear output shaft, 47, end cap, 48, the interaxle differential planetary wheel, 49, the shaft lock combined cover, 50, preceding sun wheel, 51, shaft lock is in conjunction with gear ring, 52, deep groove ball bearing, 53, the jackshaft input connects dish, 54, rear sun gear, 55, thru shaft, 56, thru shaft output connects dish, 57, second stage main reduction gear driven gear, 58, second stage main reduction gear driving gear, 59, tapered roller bearing, 60, wheel hub, 61, second stage planetary wheel gear ring, 62, second stage wheel reduction gear planetary wheel, 63, second stage planetary gear carrier, 64, second stage compensating-gear shaft, 65, second stage wheel reduction gear sun wheel shaft (first order wheel reduction gear pinion carrier), 66, second stage sun wheel, 67, first order planetary wheel gear ring, 68, first order planetary wheel, 69, first order compensating-gear shaft, 70, first order sun wheel, 71, tapered roller bearing, 72 axle tubes, 73, semiaxis, 74, jackshaft oil gas spring, 75, the oil gas spring supports bearing pin, 76,78 communicating pipes, 77, the accumulation of energy regulating control, 79, back axle oil gas spring.80, jackshaft connected entrance, 81, left side inflation adjustment hole, 82, the regulating control casing wall, 83, regulator piston, 84, the regulator piston bar, 85, hanger is installed, 86, back seat, 87, right inflation adjustment hole, 88, the back axle connected entrance, 89, freeing pipe, 90, price fixing, 91, floating disc, 92, the container air inlet connects dish, 93, cargo floor, 94, spring, 95, the price fixing support.97, butterfly plate
The specific embodiment
The present invention is further described below in conjunction with accompanying drawing and embodiment:
As shown in Figure 1, a kind of superduty quarry tipper is provided with driving engine, transmission system, running device, steering system, brake system, vehicle body (operator's compartment), electric system, lifting system etc.Peripheral accessory and existing same tonnage pioneering technologys such as engine mounting, supply, cooling do not have too big innovation, do not repeat them here, and vehicle body, electric system and annex thereof and existing pioneering technology, not too big innovation does not repeat them here.
As shown in Figure 2, transmission system of the present invention comprises: high elastic coupling 5, change speed gear box input shaft 7, change speed gear box 8, jackshaft input shaft 9, back axle input shaft 13.The power of driving engine output through high elastic coupling 5, change speed gear box input shaft 7, hydraulic automatic speed variator 8, jackshaft input shaft 9, reach interaxle differential, power through interaxle differential on the one hand to jackshaft main reduction gear, wheel reduction gear, the transmission of jackshaft drive wheel; Power transmits backward through through jackshaft on the other hand, reaches the rear-axle drive wheel through back axle input shaft 13, rear-end gear reduction, back axle wheel reduction gear.And then form 6 * 4 drive form, powered vehicle is advanced or is retreated.
Adopt the through double drive axle of one group of 2 * 80t, replace the back axle of existing technology.Driving engine 2 outputting powers are through high elastic coupling 5, change speed gear box input shaft 7, hydraulic transmission box 8, output shaft of gear-box (jackshaft input shaft) 9, the jackshaft input connect dish 53 reach by interaxle differential planetary wheel 48, preceding sun wheel 50, rear sun gear 54, etc. the interaxle differential formed of parts.Power on the one hand by the external tooth of shaft lock combined cover 49, reaches first order main reduction gear flower wheel 45 through interaxle differential, realizes first order master deceleration.First order main reduction gear output shaft 46 also is the input shaft of second stage main reduction gear as the pivot shaft of first order main reduction gear flower wheel 45 simultaneously.Second stage main reduction gear driven gear 57 is meshing with each other with second stage main reduction gear driving gear 58, forms second stage main reduction gear.Traditional main reduction gear is set in transmitting ratio about 3, can reduce the transmitting ratio of wheel reduction gear like this, but the main reduction gear gear structure is bigger, especially the centre portion sectional area is bigger for axle housing, be unfavorable for the processing of gear, with the moulding of axle housing, reduced the ground Clearance of axle housing simultaneously, influence crossing ability.The present invention adopts the main reduction gear than close steps (1.786), reduced the size of gear, axle housing, gear processed easily, the easy moulding of axle housing.Improve the axle housing ground Clearance, and then improved crossing ability.But can strengthen the transmitting ratio of wheel reduction gear accordingly, for addressing this problem, the present invention has adopted the two-stage wheel reduction gear.Power reaches jackshaft semiaxis 73, semiaxis 73 skies are enclosed within the axle tube 72 and are supported, first order sun wheel 70 is supported on the semiaxis 73 by female splines, and then rotation together of first order sun wheel 70 during semiaxis 73 rotations, first order planetary wheel 68 is meshed with first order planetary wheel gear ring 67, first order sun wheel 70 simultaneously.First order planetary wheel gear ring 67 inboards are supported on the axle tube 72 by inboard female splines, axle tube 72 maintains static, therefore first order planetary wheel gear ring 67 can not rotate, first order planetary wheel 68 is in 69 rotations of first order compensating-gear shaft like this, around 70 revolution of first order sun wheel, the first order of finishing the wheel limit is slowed down.First order compensating-gear shaft 69 drives second stage wheel reduction gear sun wheel shaft (first order wheel reduction gear pinion carrier) 65 rotations, second stage sun wheel 66 is connected with second stage wheel reduction gear sun wheel shaft (first order wheel reduction gear pinion carrier) 65 outside male spliness by female splines, drive second stage sun wheel 66 rotation together during second stage wheel reduction gear sun wheel shaft 65 rotation, second stage wheel reduction gear planetary wheel 62, simultaneously with second stage planetary wheel gear ring 61, second stage sun wheel 66, be meshed.Simultaneously with second stage planetary wheel gear ring 61, match by the male splines of female splines with first order planetary wheel gear ring 67 outsides in the inboard, first order planetary wheel gear ring 67 is connected by spline with axle tube 72 again, therefore second stage planetary wheel gear ring 61 does not change, second stage wheel reduction gear planetary wheel 62, in 64 rotations of second stage compensating-gear shaft, around 66 revolution of second stage sun wheel.Realize second stage hub reduction.Second stage compensating-gear shaft 64 is contained on the second stage planetary gear carrier 63, because the revolution effect of second stage wheel reduction gear planetary wheel 62, second stage compensating-gear shaft 64 drives 63 rotations of second stage planetary gear carrier.Second stage planetary gear carrier 63 is connected with wheel hub 60 by bolt, and wheel hub is adorned wheel rim, wheel rim, tire outward.The tire rotation by tire and ground-surface rubbing effect, produces the propulsive effort of jackshaft tire.After power reached interaxle differential, a part of power reached the jackshaft drive wheel through above-mentioned path, and another part power connects dish 56, transmission backward through interaxle differential planetary wheel 48, rear sun gear 54, thru shaft 55, thru shaft output.Power enters the main reduction gear and the wheel reduction gear of back axle through back axle input shaft 13 input back axles.Rear-end gear reduction and wheel reduction gear structure are identical with jackshaft with drive path, repeat no more.During cruising, shaft lock combined cover 49 combines gear ring 51 and is in released state with shaft lock.When situation that nothings such as skidding, unsettled appears in a certain wheel are adhered to, shaft lock combined cover 49 front end female spliness are combined in conjunction with gear ring 51 rear end male spliness with shaft lock by steering unit.Interaxle differential is locked, indifferential effect between the middle back axle, middle back axle will be with same speed drive running car.Consider that single-wheel is unsettled (for simplicity, have or not the situation of adhering to we be unsettled in this general designation) situation under, the variation of single bridge bearing capacity, the present invention has chosen the safety factor of big (about 4) when parts such as design gear, axle housing, can satisfy when having a bridge unsettled in the short time load-carrying capacity of another bridge.
Front-wheel of the present invention adopts single tire of 30.00-51-52, and middle back axle adopts the twins of 24.00-35-48, guaranteeing to reduce the car load barycenter under enough carrying prerequisites, improves stability, anti-side rollover resistant capability.The present invention's propons aspect distribution of load is born 30% load, and middle back axle is born 70% load, the car load barycenter is near the car load center, reduced car load brake, turn to, under the operating modes such as climbing, lifting mass transfer to the influence of carload distribution.
The present invention adopts high elastic coupling 5 and change speed gear box input shaft 7, separates with driving engine 2, with hydraulic transmission box 8 to be connected, and the barycenter of driving engine 2, water tank 26, fan 27 is all before propons like this.Turn to fuel tank 21, lifting fuel tank 22, operator's compartment 23, airfilter 24, battery pack 25 also all to be arranged in before the propons, adopt this layout to be intended to quality with parts, reach the weight on front axle of complete vehicle quality 30% as much as possible to reach.
As Fig. 3, shown in 4, vehicle frame of the present invention is formed two and is connected longeron by vehicle frame right vertical beam 43, vehicle frame left side longeron 44, first crossbeam 40, second crossbeam 38, the 3rd crossbeam 30, the 4th crossbeam 37, the 5th crossbeam 33, the 6th crossbeam 36, the 7th crossbeam 35, left and right sides chassis side rail is coupled together, to increase vehicle frame rigidity.Before the portal frame platform 42 that supports of portal frame 28, back gantry 29 and upper end, form one group of gantry frame, support operator's compartment 23 on the one hand and walk platen, turn to fuel tank 21, lifting fuel tank 22, battery pack 25, airfilter 24, etc. annex.On the other hand as the support of preceding oleo-pneumatic suspension.Moreover adopt this structure to improve the leading portion rigidity of frame.Bumper/spoiler 41, portal frame platform 42 all adopt bolt to be connected with main body of vehicle frame, so that transportation and maintenance.Chassis side rail adopts the dual hump form, first crossbeam 40, the 3rd crossbeam 30, the 4th crossbeam 37, the 5th crossbeam 33, the 6th crossbeam 36 is set, with the installed thrust pole socket.Take into account load-carrying capacity and crossing ability, select the hump value of 2.6 times of longeron height for use, when satisfying the carrying needs, guarantee crossing ability.Adopt circular arc or level and smooth straight transitions between hump and the longeron, to reduce the stress concentration at changes of section place.Upset supporting base 34 is for the container trip shaft provides support.The 7th crossbeam 35 couples together left-right longeron, improves the support stiffness of upset supporting base 34.Oil gas spring bearing cushion block 31, when container is in loaded state, contact with the container bottom surface, bear a part of container quality, this moment, container acted on the power of oil gas spring bearing cushion block 31, the oil gas spring is opposite by the force direction that oil gas spring bearing 32 acts on oil gas spring bearing cushion block 31, so the power of this both direction is offset a part, has improved the force-bearing situation of oil gas spring bearing 32.Oil gas spring bearing 32 in addition adopts butterfly plate 97 to link to each other with vehicle frame, with the power on the oil gas spring bearing 32 of acting on level and smooth pass to vehicle frame.
The beneficial effect that the present invention adopts said structure to obtain is: when satisfying the superduty load bearing requirements, have good toughness, good equal stress distributivity.
Suspension system of the present invention hangs after comprising the duplex gas and oil equilibration of oil gas spring front suspension, band accumulation of energy regulating control.Wherein oil gas spring forward mounting, the not too big innovation of pioneering technology with existing does not repeat them here.
As shown in Figure 7, the duplex gas and oil equilibration of band accumulation of energy regulating control hangs and comprises: jackshaft oil gas spring 74, oil gas spring support bearing pin 75, communicating pipes 76,78 accumulation of energy regulating control 77, back axle oil gas spring 79.The distribution of load inequality, be 6 * 4 drive form need solve a big subject matter.Many external factors such as road conditions, loaded-up condition, the phenomenon that also can cause single bridge to transship.For addressing this problem, the present invention has adopted the duplex gas and oil equilibration of band accumulation of energy regulating control to hang.Jackshaft oil gas spring 74 and back axle oil gas spring 79 are respectively by being communicated with accumulation of energy regulating control 77 communicating pipe 76,78.Jackshaft oil gas spring 74 pressure increase (to suppose the jackshaft overload) when the situation of single bridge overload occurring, accumulation of energy regulating control 77 pressure at two ends lack of equilibrium, oil gas in the jackshaft oil gas spring 74 enters back axle oil gas spring 79 by communicating pipe 76, accumulation of energy regulating control 77, communicating pipe 78, thereby back axle oil gas spring 79 internal pressures are raise, the jackshaft load sharing is to a back axle part, accumulation of energy regulating control 77 pressure at two ends rebalancings.Make middle back two bridge average marks support lotus by said structure, single bridge overload appears in back axle in preventing.Accumulation of energy regulating control 77 also has the effect that replenishes oil gas automatically except that the effect with balance axle load.
As shown in Figure 8, accumulation of energy regulating control 77 comprises: jackshaft connected entrance 80, left side inflation adjustment hole 81, regulating control casing wall 82, regulator piston 83, regulator piston bar 84, installation hanger 85, back seat 86, right inflation adjustment hole 87, back axle connected entrance 88.Hanger 85 is installed, is installed for accumulation of energy regulating control 77 and use.Jackshaft connected entrance 80, back axle connected entrance 88 by being communicated with jackshaft oil gas spring 74, back axle oil gas spring 79 communicating pipe 76,78, play the effect of balance axle load respectively.Left side inflation adjustment hole 81 is the nitrogen complementary apertures, when the oil gas spring is installed, by regulating oil gas spring pressure, the oil gas spring is adjusted to the height of requirement.In the cavity (hereinafter claiming right chamber) that regulator piston 83, regulator piston bar 84, back seat 86 are formed, the compound of trip of pressurising power and nitrogen, and pressure equates with system pressure.When a certain oil gas spring leakage of oil, this side oil gas spring pressure reduces, and the pressure in the accumulation of energy regulating control 77 left chambeies that are attached thereto reduces, and right cavity pressure is greater than left cavity pressure, and the pressure lack of equilibrium at regulator piston 83 two ends moves to left.Because moving to left of regulator piston 83, left chamber oil gas obtain compression, pressure raises, two cavity pressure balances about treating, and regulator piston 83 stop motions reduce system pressure and reduce.Regulator piston bar 84 is connected with regulator piston 83 negative threads by outside thread, moves to left with regulator piston 83.Regulator piston bar 84 right sides are equipped with travel switch, when system pressure drops to specified value, the travel switch that is installed on the regulator piston bar 84 triggers, alarm lamp in the operator's compartment is reported to the police, remind the chaufeur inspection to reveal and replenish nitrogen, nitrogen charges into left and right sides oil-gas room by left side inflation adjustment hole 81, right inflation adjustment hole 87, makes system pressure reach specified value again.
Dumping car about external 100t is used under the bigger lump material operating mode of transportation building stones equidensity more.Adapt to this operating mode, adopted the V-type container, the V-type container can help distribution of load with the reach of car load barycenter.The dumping car of domestic this tonnage is used to transport coal, cubic metre of earth less operating mode of equidensity mostly at present.If continue to use the V-type container, must not satisfy the requirement of load carrying ability.The plain base container that the present invention adopts is fit to domestic operating mode, and carrying capacity reaches 108m3, satisfies the carrying requirements for quality of little density particulate dust fully.Aspect being connected of container and vehicle frame, the present invention has adopted by 8 cushion blockings in container bottom surface and two oil cylinders and has been supported on the vehicle frame.The large-tonnage container will cause stressed irregular, the vehicle frame lost of life of vehicle frame if be rigidly connected with vehicle frame.The present invention utilizes the elastic deformation of 8 cushion blockings, and whole container load is evenly distributed on the vehicle frame.For solving the contradiction of carrying capacity and coming down in torrents property, the present invention has adopted the back shield structure of band enforced opening.As shown in Figure 1, when automobile travels at loading, enforced opening mechanism is inoperative, when the container upset is come down in torrents, and the effect of enforced opening mechanism, container rotates to an angle around supporting base, this moment, reinforcing bar slide fastener one end of enforced opening mechanism was fixed on the vehicle frame, and the other end is fixed on 90 ° of cantilevers of back shield, because the slide fastener of vehicle frame end is motionless, back shield rotates with container, and the reinforcing bar slide fastener is tightened up.Baffle plate is because the effect of gravity is pressed on the container, and along with the increase of container flip angle, the tightening force on the slide fastener is big more.When container is turned to certain angle, the tightening force of slide fastener is enough to overcome the gravity of back shield, and the pulling cantilever rotates around the strong point, and back shield is rotation and then, opens certain angle.Along with the increase of container flip angle, the cantilever corner and then increases afterwards, and the back shield opening angle and then increases.Existing technology, back shield remain on vertical state under the effect of gravity, when goods comes down in torrents goods being come down in torrents has inhibition, and goods comes down in torrents and has some setbacks.When container of the present invention was turned to maximum angle, under the effect of reinforcing bar slide fastener, the back shield opening angle was much larger than vertical state, and opening angle improves 1.5～2.5 times than existing technology, and assurance goods smoothness is come down in torrents.The beginning opening time of enforced opening mechanism and maximum opening angle can be adjusted by the length of reinforcing bar slide fastener, the position of vehicle frame fixed end.
Winter, goods froze easily, caused the difficulty of coming down in torrents.For addressing this problem, the present invention has adopted the container heating technique.The waste gas of driving engine discharge enters the inner flue of container by container heating arrangements 20, and waste gas flows through in flue, and the container bottom temp is increased, and melts the frost of container bottom, after the exhausr port discharge.
As shown in Figure 9, the container heating arrangements by freeing pipe 89, price fixing 90, floating disc 91, container air inlet connect dish 92, cargo floor 93, spring 94, price fixing support 95 are formed.The waste gas that driving engine is discharged enters price fixing 90 through freeing pipe 89, price fixing 90 is fixed on the vehicle frame 1 by price fixing support 95, and container acts on the power on the container heating arrangements, passes to vehicle frame 1 by price fixing support 95, isolate the stressed of exhaust system, reduced the fault rate of exhaust system.Engine exhaust connects dish 92 by price fixing 90, floating disc 91, container air inlet successively and enters the inner flue of container.The container upset is come down in torrents and is finished the carriage return frame, guarantee that the container air inlet connects the combination seal of dish 92 and floating disc 91.On the one hand: the present invention is by the taper bead on the floating disc 91, and the groove that connects on the dish 92 with the container air inlet matches, and guarantees that floating disc 91 and container air inlet connect the alignment of dish 92.On the other hand: floating disc 91 is supported on the price fixing support 95 by guide bolt and spring 94, container falls behind down depresses certain length with spring 94, spring 94 acts on 91 1 application forces that make progress of floating disc, floating disc 91 is pressed to the container air inlet and is connect dish 92 under this application force, has guaranteed enough thrusts.Considering that container frequently rises and falls connects dish 92 grinding to floating disc 91, container air inlet, and the present invention carries out electro-high-frequency hardening to the calmodulin binding domain CaM that floating disc 91, container air inlet connect dish 92, improves the superficial hardness and the resistance to abrasion of calmodulin binding domain CaM.
Claims (9)
1. a superduty quarry tipper comprises chassis and vehicle body, and the chassis comprises transmission system, running device, steering system and brake system, and vehicle body comprises operator's compartment and container, it is characterized in that the vehicle frame in the running device is that welded type does not have subframe box variable cross-section vehicle frame; Transmission system comprises 6 * 4 mechanically operated actuating devices, in the running device in, back two bridges form one group double drive axle, in the running device by in, the back rear suspension formed of two bridges is the gas and oil equilibration suspension of being with the accumulation of energy regulating mechanism; Front-wheel is the single tire of 33.00-51-58 to 27.00-49-48, and middle wheel and trailing wheel are the twins of 24.00-49-48 to 21.00-35-36.
2. superduty quarry tipper according to claim 1, it is characterized in that described welded type does not have subframe box variable section vehicle frame and is the vehicle frame by two gantry frame type box variable section structures of sheet material welding fabrication, cross member of frame is a cylindrical cross-section, and chassis side rail is the box section; Longeron altitude datum value H is 550mm-650mm; Chassis side rail comprises front and rear, and the height of longeron front portion is 50%-65%H; The dual hump structure is adopted at the chassis side rail rear portion, and the summit height value is 2.2～2.9H; Longeron width a reference value B is 180mm-220mm, and the anterior width of longeron is 65%-80%B; Arc transition or level and smooth chamfered transition are adopted in variation place of longeron depth of section and width.
3. superduty quarry tipper according to claim 2 is characterized in that vehicle frame is all by the steel plate welding fabrication.
4. superduty quarry tipper according to claim 2 is characterized in that the vehicle frame front portion is set with two portal frames of being made up of preceding portal frame and back gantry, and the platform, two portal frames and the platform bolted connection that are supported by two portal frames.
5. superduty quarry tipper according to claim 1 is characterized in that the gas and oil equilibration suspension comprises oil gas spring bracket, oil gas spring, oil gas spring connecting line; Wherein oil gas spring bracket upper end is provided with cushion blocking, and the connecting panel of oil gas spring bracket and vehicle frame adopts butterfly plate; Be provided with the energy storage pressure regulating device between the homonymy oil gas spring connecting line.
6. superduty quarry tipper according to claim 1, back axle adopts the through driving vehicle bridge that two-stage main reduction gear and two-stage wheel reduction gear are formed in it is characterized in that; Wherein the main reduction gear speed ratio is 1.5～2.2, and the wheel reduction gear speed ratio is 11.5～13.5, and the vehicle bridge overall ratio is 18.5～25.
7. superduty quarry tipper according to claim 1 is characterized in that container adopts plain base.
8. superduty quarry tipper according to claim 7 is characterized in that the container bottom is provided with the container heating arrangement.
9. superduty quarry tipper according to claim 8, it is characterized in that described container heating arrangement comprises flue that is arranged on the cargo floor and the connecting device that is communicated with freeing pipe and flue, described connecting device comprises the price fixing that is fixedly set on the freeing pipe, price fixing is provided with floating disc, the screw rod elastic support of floating disc by being set with spring is above price fixing, be fixed with the container air inlet and connect dish on cargo floor, the container air inlet connects and groove is set on the dish docks the location with the tapered flanges on the floating disc.
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| CN 201010590764 CN102029934A (en) | 2010-12-08 | 2010-12-08 | Super-heavy mining dump truck |
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| CN 201010590764 CN102029934A (en) | 2010-12-08 | 2010-12-08 | Super-heavy mining dump truck |
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| CN102501741A (en) * | 2011-11-10 | 2012-06-20 | 星源(十堰)悬架有限公司 | Balance shaft assembly |
| CN102529781A (en) * | 2011-12-27 | 2012-07-04 | 中国航天三江集团公司 | Mining multi-shaft dump truck |
| CN103963844A (en) * | 2013-07-30 | 2014-08-06 | 内蒙古北方重型汽车股份有限公司 | Mine dumper platform |
| CN103818483A (en) * | 2014-03-07 | 2014-05-28 | 山东蓬翔汽车有限公司 | Wide dump truck |
| CN103818483B (en) * | 2014-03-07 | 2016-01-27 | 山东蓬翔汽车有限公司 | A kind of wide dumper |
| CN105438044A (en) * | 2014-12-24 | 2016-03-30 | 陕西同力重工股份有限公司 | All-wheel-drive off-highway wide-body dumper |
| CN105438044B (en) * | 2014-12-24 | 2017-07-11 | 陕西同力重工股份有限公司 | A kind of off-highway wide dumper of a11wheel drive |
| CN105501302A (en) * | 2015-12-16 | 2016-04-20 | 内蒙古北方重型汽车股份有限公司 | Overall vibration isolation type platform of mining dump truck |
| CN107176215A (en) * | 2017-07-07 | 2017-09-19 | 徐州徐工矿山机械有限公司 | A kind of quarry tipper damping deck layout |
| CN108001534A (en) * | 2017-12-04 | 2018-05-08 | 广州电力机车有限公司 | A kind of electric transmission dumper frame structure and its design method |
| CN114040863A (en) * | 2019-07-02 | 2022-02-11 | 沃尔沃建筑设备公司 | Method for determining the condition of a dump body arrangement |
| CN114040863B (en) * | 2019-07-02 | 2023-10-27 | 沃尔沃建筑设备公司 | Method for determining the condition of a dump body arrangement |
| CN113492916A (en) * | 2021-07-29 | 2021-10-12 | 一汽解放汽车有限公司 | Rear cross beam assembly, frame assembly and vehicle |
| CN113978555A (en) * | 2021-12-29 | 2022-01-28 | 临工集团济南重机有限公司 | Frame assembly and engineering vehicle |
| CN113978555B (en) * | 2021-12-29 | 2022-04-15 | 临工集团济南重机有限公司 | Frame assembly and engineering vehicle |
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Application publication date: 20110427 |