CN101338544A - Water-adding mixing control device for road mixer and road mixer using the device - Google Patents
Water-adding mixing control device for road mixer and road mixer using the device Download PDFInfo
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- CN101338544A CN101338544A CNA2008101181155A CN200810118115A CN101338544A CN 101338544 A CN101338544 A CN 101338544A CN A2008101181155 A CNA2008101181155 A CN A2008101181155A CN 200810118115 A CN200810118115 A CN 200810118115A CN 101338544 A CN101338544 A CN 101338544A
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Abstract
The present invention discloses a road mixing machine water mixing control device, which comprises a spraying water pipe with a spraying nozzle, a water supply device communicated with the spraying water pipe, and a spraying water amount controller arranged on the path communicated with the spraying water pipe and the water supply device. The spraying water amount controller comprises a water pump and a transmission mechanism for connecting the input shaft of the water pump and the output shaft of the motor of the road mixing machine; the pumping port of the water pump is communicated with the outlet of the water supply device; the water outlet of the water pump is communicated with the inlet of the spraying water pipe. The rotation speed of the water pump varies proportionally with the rotation speed of the motor; therefore, according to the requirement of the pumping flow, the present invention can satisfy the supplement water amount of different road environments, achieves the evenness and controllability of the water content in the construction of various stabilized soils, ensures the construction quality and increases the construction efficiency. On the basis, the present invention also discloses a road mixing machine using the road mixing machine water mixing control device, which is suitable for the road mixing construction of various stabilized soils with good application prospect.
Description
Technical field
The present invention relates to by stabilized with inorganic binder soil making roadbed and sub-surface field, is a kind of road-mixed machine blunge control device and the road-mixed machine that uses this device specifically.
Background technology
When building high-grade road foundation course and subbase, often use stabilized with inorganic binder soil constructions such as lime stabilized soil, cement stabilized soil, industrial residue Stabilized Soil.In order to guarantee construction quality, no matter be plantmix or road mix, all require batching accurately, the watering mix is even, and rolls when Stabilized Soil is in optimum moisture content, satisfies minimum compaction requirement to guarantee basic unit.
The preferably month of stabilized with inorganic binder soil construction be 4,5,6,7,9,10, November, and 5,6,7, be that wind is big September, temperature at noon high season, the easiest loss of water content.Therefore, construct in the period at this section, especially need the stabilized with inorganic binder soil process of mixing and stirring is effectively controlled with the water content that rolls process, this is a stabilized with inorganic binder soil, particularly stabilized with inorganic binder inductile soil roller-compaction, to reach the key point of code requirement degree of compaction.
At present, blunge is taked following two kinds of methods during the construction of road mix Stabilized Soil, is summarized as follows:
One is a first moisturizing cloth inorganic binder again, generally is applicable to cement stabilized soil, lime stabilized soil, cement and lime comprehensive stable soil, flyash lime stabilized soil, the construction of flyash lime cement comprehensive stable soil.Specifically be, measure the water content of the good soil layer of cloth earlier, and calculate required rate of water make-up, again with waterwheel by watering at rate of water make-up night (water content of sprinkling water daytime loss is fast, spill earlier and after the loss of the place of spilling water content differ), allow and ooze under water; Then at second day early in the morning to the Stabilized Soil premixing and measure water content, if water content meets the demands, but the cloth inorganic binder mixes and stirs, flattens; If water content is not enough, then need repeat above operation.
Its two, be the moisturizing again of first cloth inorganic binder, generally be applicable to lime stabilized soil, flyash lime stabilized soil.Specifically be that first cloth inorganic binder (as flyash, lime etc., but except the cement stabilized soil) on the good soil layer of cloth carries out that Stabilized Soil is mixed and stirred, leveling, voltage stabilizing; Measure the Stabilized Soil water content, and calculate required rate of water make-up; Press rate of water make-up watering at night with waterwheel, allow and ooze under water; Remaining step is identical with aforementioned first method, repeats no more.
What of watering amount are above-mentioned two kinds of methods all need accurately control, and its disposable moisturizing can not be too many, otherwise, if moisturizing is excessive a little, when continuing watering, waterwheel can can't advance because of skidding; If disposable moisturizing is excessive, water can encircle horizontal wall inscription by the way and run off.In addition, owing to temperature, wind-force, the water content loss of mixing and stirring process is difficult to control, just can find rule through too much test section construction, often needs repeatedly to add water, mix, influences the duration of construction thus.
But, the blunge control device is not set in the existing road-mixed machine, the experience of how much depending on the people of watering amount is grasped; Especially, because of the engineering time long, Stabilized Soil water content loss is bigger under high temperature and the big situation of wind; This makes uniformity, the controllability be difficult to guarantee the Stabilized Soil water content, has greatly influenced the construction quality of Stabilized Soil thus.
Summary of the invention
In view of this, the invention provides a kind of road-mixed machine and add water and mix and stir control device, uniformity, the controllability of water content in the time of can guaranteeing all kinds of Stabilized Soil construction.On this basis, also provide a kind of road-mixed machine that uses this device.
For solving above technical problem, road mix Stabilized Soil provided by the invention adds water and mixes and stirs control device, and its technical scheme is: comprise sprinkling water pipe with watering outlet, the water supply installation with described sprinkling cross current, the water-spraying amount control device that is provided with on described sprinkling water pipe, water supply installation communication path; Described water-spraying amount control device comprises water pump, in order to connect the transmission mechanism of described water pump power shaft and road-mixed machine engine output shaft; The pump mouth of described water pump is communicated with the outlet of described water supply installation, and the delivery port of described water pump is communicated with the inlet of described sprinkling water pipe.
Preferably, described transmission mechanism comprises drive pulley group, driven pulley group and clutch, and described drive pulley group and/or driven pulley group are made up of the belt pulley of different-diameter; Described drive pulley group is connected with the Timing Belt wheel of described motor by belt, described driven pulley group is connected with the belt pulley of described water pump by belt, the driving disc spacing pressing of described clutch is connected with described drive pulley group, and the clutch plate of described clutch is connected with described driven pulley group.
Preferably, described water pump is arranged near the Timing Belt wheel of described motor; Support also is set, so that fixing described water pump, drive pulley group, driven pulley group and clutch on road-mixed machine.
Preferably, described clutch is automatically controlled or manual.
Preferably, described transmission mechanism also comprises, driving shaft, and an end is installed the driving disc spacing pressing of described clutch; Initiatively flange shaft is installed described drive pulley group, and described active flange shaft also connects the other end of described driving shaft; Driven flange shaft, an end are installed described driven pulley group, the be slidingly installed clutch plate of described clutch of the other end; Active bearings, driven bearing are separately fixed on the described support, and support described driving shaft, driven flange shaft respectively.
Preferably, described transmission mechanism also comprises adapter sleeve; Described active flange shaft is by the described adapter sleeve described driving shaft that is threaded.
Preferably, described transmission mechanism also is included in the spacing ring that is provided with on the described driven flange shaft, so that limit the axially-movable of described driven flange shaft.
Preferably, the driving disc spacing pressing of described clutch and described driving shaft are structure as a whole; On the described driven flange shaft dive key is set also, so that the clutch plate of described clutch moving axially along described driven flange shaft.
Preferably, described drive pulley group, driven pulley group are respectively by bolt and described active flange shaft, initiatively the flange of flange shaft is fixed.
Preferably, described sprinkling water pipe is connected by fire hose bag flexible pipe with the water-spraying amount control device, and described water-spraying amount control device is connected by fire hose bag flexible pipe with water supply installation.
Preferably, isometric, the both ends sealing of the described sprinkling water pipe blunger protective cover axial length that is length and road-mixed machine, centre are provided with the steel pipe of tee piece.
Preferably, described watering outlet is water sprayering hole, and described water sprayering hole is a plurality of; Described a plurality of water sprayering hole is located at described sprinkling water pipe closely on the bottom tube wall of face.
Preferably, described sprinkling water pipe is located between the trailing wheel of the blunger protective cover forward position of road-mixed machine and road-mixed machine.
Preferably, described sprinkling water pipe is near the bottom in described blunger protective cover forward position, road; The leading edge in described sprinkling water pipe and described blunger protective cover forward position distance is 5～15cm, with the feather edge distance in blunger protective cover forward position be 8～20cm.
Road-mixed machine provided by the invention uses aforementioned road-mixed machine to add water and mixes and stirs control device; Described sprinkling water pipe is located between the trailing wheel of the blunger protective cover forward position of road-mixed machine and road-mixed machine.
Described sprinkling water pipe is near the bottom in described blunger protective cover forward position; The leading edge in described sprinkling water pipe and described blunger protective cover forward position distance is 5～15cm, with the feather edge distance in blunger protective cover forward position be 8～20cm.
With respect to prior art, road-mixed machine provided by the invention adds water and mixes and stirs control device, the water pump of its water-spraying amount control device is connected with the road-mixed machine motor by transmission mechanism, and the pump mouth of water pump, delivery port are communicated with water supply installation outlet, spray water tube inlet respectively.Because of the proportional variation of the rotating speed of pump rotary speed and motor, flow pump water on request thus, to satisfy the rate of water make-up requirement under the different road environments, uniformity, the controllability of water content when realizing all kinds of Stabilized Soil construction, thereby the assurance construction quality improves efficiency of construction.Specifically: when the road-mixed machine travel speed was very fast, engine speed rose, and travel distance is longer in the unit interval; Simultaneously, pump rotary speed rises because of the road-mixed machine engine speed, and its pump water yield strengthens thereupon, thereby satisfies in the unit interval long apart from the sprinkling requirement that needs big yield.Otherwise when the road-mixed machine travel speed was slow, engine speed descended, and the distance of advancing in its unit interval is shorter; Simultaneously, the rotating speed of water pump descends with the road-mixed machine engine speed, and its pump water yield reduces thereupon, satisfies the sprinkling requirement that interior short distance of unit interval needs the little water yield thus.In the time need not sprinkling water, cut off the power of water pump, can stop pump water.Thus, under the different gait of march of road-mixed machine,, just can control the size of water-spraying amount according to the pump water yield corresponding relation of pre-determined motor and water pump; In addition, select different drive ratios, can further accurately control water-spraying amount.
Road-mixed machine provided by the invention adds water and mixes and stirs control device, can be used for all kinds of stable road mixs constructions such as dirt, two-ash soil, cement stabilized soil of different great soil groups; It is even, controlled that it mixes and stirs in the process water content, and the water content control accuracy is about 1% of an optimum moisture content.Especially, after spray water, directly mix and stir, therefore can require to carry out moisturizing according to calculating required rate of water make-up by the road lorry mounted mixer; Even under the big situation of high temperature and wind, the water content loss in the Stabilized Soil is also smaller, further guarantees to mix and stir uniformity, the controllability of water content in the process, can shorten the engineering time.Further, spraying water pipe is located between blunger protective cover forward position and the lorry mounted mixer trailing wheel, and near bottom, blunger protective cover forward position, what also do not influence road-mixed machine when the water yield is spilt more normally mixes and stirs operation, can carry out moisturizing by the required rate of water make-up requirement of calculating fully, it is once adjusted rate of water make-up and can be controlled in 4%.
Use this road-mixed machine to add the road-mixed machine that water mixes and stirs control device, applicable to the road mix construction of all kinds of Stabilized Soil, application prospect is good.
Description of drawings
Fig. 1 adds the block diagram that water mixes and stirs control device for road-mixed machine of the present invention;
Fig. 2 adds the power transmission schematic diagram that water mixes and stirs control device for road-mixed machine of the present invention;
Fig. 3 is the enlarged drawing of transmission mechanism among Fig. 2;
Fig. 4 adds the component layouts schematic diagram that water mixes and stirs control device for road-mixed machine of the present invention;
Fig. 5 is the trailing flank schematic diagram of Fig. 4;
Fig. 6 is the front view of sprinkling water pipe of the present invention;
Fig. 7 is the vertical view of Fig. 6.
The specific embodiment
Describe below in conjunction with the specific embodiment and accompanying drawing.
Please refer to Fig. 1, this figure adds the block diagram that water mixes and stirs control device for road-mixed machine of the present invention.This road-mixed machine adds water and mixes and stirs control device, comprising: having watering outlet sprinkling water pipe 1, with spray the water supply installation 2 that water pipe 1 is connected, the water-spraying amount control device 3 that on the path of spraying water pipe 1 and water supply installation 2 connections, is provided with.Wherein:
Described water-spraying amount control device 3 comprises, water pump 3-1, and its flow is directly proportional with rotating speed; Transmission mechanism 3-2 connects the power shaft of described water pump 3-1 and the output shaft of road-mixed machine motor 4, in order to the power transmission of motor 4 to water pump 3-1; The pump mouth of water pump 3-1 is communicated with the outlet of water supply installation 2, and the delivery port of water pump 3-1 is communicated with the inlet that sprays water pipe 1.Linear because of the rotating speed of the rotating speed of water pump 3-1 and motor 4, select different gearratios, perhaps adjust the rotating speed of motor 4, can both adjust the rotating speed of water pump 3-1, and then to control its flow be pump water yield size, realize the control of water-spraying amount.Preferably, the gearratio of described transmission mechanism 3-2 is adjustable, so that adjust the rotating speed of water pump 3-1, and and then adjusts the size of the pump water yield.
According to said structure, the proportional variation of rotating speed of the rotating speed of water pump 3-1 and motor 4, flow pump water on request thus is to satisfy the rate of water make-up requirement under the different road environments.Because of the travel speed of road-mixed machine relevant with engine speed, from another angle, this road-mixed machine add water mix and stir control device can be according to the travel speed of road-mixed machine control watering amount, specifically: when the road-mixed machine travel speed is very fast, the rotating speed of motor 4 rises, and the distance of advancing in its unit interval is longer; Simultaneously, the rotating speed of water pump 3-1 rises because of the rotating speed of road-mixed machine motor 4, and its pump water yield strengthens thereupon, thereby satisfies in the unit interval long apart from the sprinkling requirement that needs big yield.Otherwise when the road-mixed machine travel speed was slow, the rotating speed of motor 4 descended, and the distance of advancing in its unit interval is shorter; Simultaneously, the rotating speed of water pump 3-1 descends with the rotating speed of road-mixed machine motor 4, and its pump water yield reduces thereupon, satisfies the sprinkling requirement that interior short distance of unit interval needs the little water yield thus.In the time need not sprinkling water, cut off the power of water pump 3-1, can stop pump water.
This shows, under the different travel speeds of road-mixed machine,, just can control the size of water-spraying amount according to the corresponding relation of pre-determined motor 4 with the water pump 3-1 pump water yield; Especially, select different drive ratios, can further accurately control water-spraying amount.
In the present invention, motor 4 can adopt the multiple kind of drive with water pump 3-1 power transmission, preferably adopts belt transmission, and it need not to change component layouts such as road-mixed machine motor 4, specifies as follows:
Please be simultaneously referring to Fig. 2, Fig. 3, wherein: Fig. 2 adds the power transmission schematic diagram that water mixes and stirs control device for road-mixed machine of the present invention; Fig. 3 is the enlarged drawing of transmission mechanism among Fig. 2.Fig. 2, this transmission mechanism 3-2 shown in Figure 3, comprise drive pulley group 3-2-1, driven pulley group 3-2-2 and clutch 3-2-3, drive pulley group 3-2-1 is connected with the Timing Belt wheel 4-1 of motor 4 by belt, driven pulley group 3-2-2 is connected with water pump pulley 3-1-1 by belt, the driving disc spacing pressing 3-2-3-1 of clutch 3-2-3 is connected with drive pulley group 3-2-1, and the clutch plate 3-2-3-2 of clutch 3-2-3 is connected with driven pulley group 3-2-2.In addition, for ease of installing, water pump 3-1 need be arranged near the Timing Belt wheel 4-1 of motor 4.For this reason, support 5 and bracket base 5-1 are set on the road-mixed machine, so that station pump 3-1, drive pulley group 3-2-1, parts such as driven pulley group 3-2-2, clutch 3-2-3.Certainly, also bracket base 5-1 can be set, and support 5 directly is fixed on the road-mixed machine, not repeat them here.
Described drive pulley group 3-2-1, driven pulley group 3-2-2 all can be made up of the belt pulley of different-diameter, so that adjust the gearratio of transmission mechanism 3-2.Preferably, drive pulley group 3-2-1 is made up of the belt pulley of one group of different-diameter, it is right that single belt pulley among Timing Belt wheel 4-1 and the drive pulley group 3-2-1 is organized respectively, can obtain different gearratio (concrete size needs to decide according to design parameters, the operating mode needs of road-mixed machine motor 4 and water pump 3-1), and then the rotating speed of control of pump 3-1, the size of adjustment water-spraying amount.
Described clutch 3-2-3 can be manual control or electric-controlled type, be used to control water-spraying amount control device 3 unlatching, close.When clutch 3-2-3 in conjunction with the time, the power transmission of motor 4 drives water pump 3-1 running to water pump 3-1; When clutch 3-2-3 separated, the power between motor 4 and the water pump 3-1 was cut off.
In preferred embodiment of the present invention, on the Timing Belt wheel 4-1 of road-mixed machine motor 4, install a belt additional, the rotating speed of Timing Belt being taken turns on the 4-1 by this belt is delivered on the drive pulley group 3-2-1, and drive pulley group 3-2-1 is rotated according to selected gearratio; Simultaneously, clutch 3-2-3 and driven pulley group 3-2-2 are housed between belt pulley set 3-2-1 and water pump 3-1; Action by drive pulley group 3-2-1, driven pulley group 3-2-2 and clutch 3-2-3 cooperates, and just can realize the control of water-spraying amount size, and detailed process is:
When needing to spray, make clutch 3-2-3 combination, then drive pulley group 3-2-1 drives driven pulley group 3-2-2 running, and then drives water pump 3-1 running; In the time of need not spraying, clutch 3-2-3 separates, and the power transmission between water pump 3-1 and drive pulley group 3-2-1 is interrupted.Thus, under the situation of clutch 3-2-3 combination, pass through belt transmission, the power of motor 4 is transferred on the water pump 3-1 according to selected gearratio, drive water pump 3-1 according to predetermined rotation speed operation, thereby regulate the size of the pump water yield, realize the control of water-spraying amount.
In the foregoing description, the connection between described drive pulley group 3-2-1, driven pulley group 3-2-2 and the clutch 3-2-3 can be adopted multiple structure, preferably takes following mode.
As Fig. 2, shown in Figure 3, described transmission mechanism 3-2 also is provided with lower member: driving shaft 3-2-4, and an end is installed the driving disc spacing pressing 3-2-3-1 of clutch 3-2-3; Initiatively flange shaft 3-2-5 installs drive pulley group 3-2-1, and initiatively flange shaft 3-2-5 also connects the other end of driving shaft 3-2-4; Driven flange shaft 3-2-6, an end install driven pulley group 3-2-2, the be slidingly installed clutch plate 3-2-3-2 of clutch 3-2-3 of the other end; Active bearings 3-2-7, driven bearing 3-2-8 are separately fixed on the support 5, support driving shaft 3-2-4, driven flange shaft 3-2-6 respectively.Preferably, on driving shaft 3-2-4, the driven flange shaft 3-2-6 stage portion is set all, makes active bearings 3-2-7, driven bearing 3-2-8 be supported on respectively on the described stage portion.This kind structure, it is reliable to guarantee that transmission mechanism 3-2 connects, and also is convenient to install, dismantle.
In addition, adapter sleeve 3-2-9 is set; Initiatively flange shaft 3-2-5 is by the adapter sleeve 3-2-9 driving shaft 3-2-4 that is threaded, by precession or screw out adapter sleeve 3-2-9, make initiatively to be connected between the flange shaft 3-2-5 and driving shaft 3-2-4 or to disconnect, its installation, dismantle very convenient.
Simultaneously, spacing ring 3-2-10 is set on driven flange shaft 3-2-6, it is positioned at driven bearing 3-2-8 one side, can limit the axially-movable of driven flange shaft 3-2-6, so that keep the relative position between driven pulley group 3-2-1 and water pump pulley 3-1-1 constant.
Preferably, driving disc spacing pressing 3-2-3-1 and the driving shaft 3-2-4 of clutch 3-2-3 are structure as a whole, and strengthen connection reliability between the two; Dive key (figure do not show) is set on the driven flange shaft 3-2-6, so that it is the clutch plate 3-2-3-2 of clutch 3-2-3 is along the moving axially of driven flange shaft 3-2-6, convenient to the control of clutch 3-2-3 in conjunction with, separating action.
In addition, drive pulley group 3-2-1 fixes by the active flange 3-2-5-1 on bolt and the active flange shaft 3-2-5; Driven pulley group 3-2-5 fixes by the driven flange 3-2-6-1 on bolt and the driven flange shaft 3-2-6.This structure connects reliably installation, convenient disassembly.
More than water-spraying amount control device 3 is described, it can effectively realize the size control of watering amount.In addition, the present invention also can carry out certain improvement to spraying water pipe 1, water storage device 2 structures and layout, so that obtain better technique effect.
Please also refer to Fig. 4, Fig. 5, wherein: Fig. 4 adds the component layouts schematic diagram that water mixes and stirs control device for road-mixed machine of the present invention; Fig. 5 is the trailing flank schematic diagram of Fig. 4.Preferably, to spray between the trailing wheel 7 that water pipe 1 is located at blunger protective cover 6 forward positions of road-mixed machine 100 and road-mixed machine 100, because of trailing wheel 7 is non-is driving wheel, skids and influences and mix and stir operation even the water yield is spilt the wheel body that also can not make road-mixed machine 100 more, thereby help improving efficiency of construction.
Further, spray the bottom of water pipe 1 near protective cover 6 forward positions of blunger, specifically: sprinkling water pipe 1 is about 5～15cm apart from the leading edge distance L 1 in blunger protective cover 6 forward positions, is preferably 5cm; Feather edge distance L 2 apart from blunger protective cover 6 forward positions is about 8～20cm, is preferably 10cm.Thus, in the time of can further reducing big watering amount to the influence of the trailing wheel 7 of road-mixed machine 100, thereby can carry out moisturizing by calculating required rate of water make-up requirement fully, can make and once adjust rate of water make-up and be controlled in 4%.
In the present invention, the pump mouth of water pump 3-1 is connected with the outlet of water supply installation 2, and the delivery port of water pump 3-1 is connected with sprinkling water pipe 1.Wherein, can take multiple connecting tube to connect between sprinkling water pipe 1, water supply installation 2, the water-spraying amount control device 3; Concrete which kind of form that adopts is to guarantee that connecting reliable, easy to operate is principle.
Preferably, described water supply installation 2 is connected with water-spraying amount control device 3 by fire hose bag flexible pipe 8, fire-fighting buckle (figure does not show); Water-spraying amount control device 3 and sprinkling water pipe 1 also are connected by fire hose bag flexible pipe 8, fire-fighting buckle.Wherein, described fire hose bag flexible pipe 8 length can get final product apart from suitably choosing according to the scene of spraying between water pipe 1, water supply installation 2 and the water-spraying amount control device 3, do not repeat them here.
Select for use fire hose bag flexible pipe 8 to connect road-mixed machine of the present invention and add each ingredient that water mixes and stirs control device, its advantage is: can make this device have soft readjustment scope preferably, be convenient to board and carrying out situ configuration on the space arbitrarily.Certainly,, also can adopt the rigidity pipe to connect, not repeat them here as connecting pipe for strengthening the bulk strength of road-mixed machine blunge control device.
In the present invention, it is built-in water supply that water supply installation 2 can be installed on the road-mixed machine 100, and also can be installed in road-mixed machine 100 outsides is that external supplies water; Which kind of form it specifically takes, and the present invention does not limit, to realize that reliable water supply is principle.
Preferably, water supply installation 2 is served as by waterwheel, promptly adopts external to supply water.When construction, waterwheel and road-mixed machine 100 are advanced synchronously, can work continuously.As shown in Figure 5, desire to carry out the width that the width W of the roadbed A of operation is once walked and crossed over greater than road-mixed machine 100 usually, after mixing and stirring road-mixed machine leap width, need road-mixed machine 100 to proceed the work of mixing and stirring on another width range again along mixing and stirring after direction moves to next working width shown in the arrow F1.In this kind water supply form, the mode that waterwheel and road-mixed machine 100 are advanced synchronously, but the two advance side by side, also can make and advance in regular turn before and after the two; The present invention does not limit the mode of advancing between the two, can continue water supply and get final product to guarantee construction period; Preferably, waterwheel is walked in road-mixed machine 100 the place aheads, be convenient to both and advance synchronously.
Certainly, shorter relatively as the moisturizing highway section, water supply installation 2 also can adopt built-in water supply, and it need not to adopt waterwheel, can directly adopt a water tank less relatively and that can be carried on the road-mixed machine 100 to supply water.This kind form supplies water, and the restriction that not advanced synchronously by waterwheel and road-mixed machine makes that construction is more flexible.
In the present invention, the structure that also can spray water pipe 1 is optimized, and is summarized as follows:
Please be simultaneously referring to Fig. 6, Fig. 7, wherein: Fig. 6 be the front view of sprinkling water pipe of the present invention; Fig. 7 is the vertical view of Fig. 6.In the described embodiment of Fig. 6, Fig. 7, spraying water pipe 1 is a steel pipe, and its scope of selecting material is wide, is convenient to processing, and can satisfies the sprinkling needs.Wherein, the stage casing of spraying water pipe 1 is provided with a tee piece, and is thereon sheathed for fire hose bag flexible pipe 8; The two termination 1-2 that spray water pipe 1 are shut, and spray water pipe 2 and are provided with the watering outlet, and its concrete shape does not limit, and can sprinkle water gets final product.
Preferably, the axial length L 3 of described sprinkling water pipe 1 and the axial length isometric (for example being 2500mm) of described blunger protective cover 6 are so that can both be by uniform moisturizing in whole width ranges that road-mixed machine was walked.
Preferably, the watering outlet is a plurality of water sprayering hole 1-1.Wherein, described a plurality of water sprayering hole 1-1 are arranged near on the bottom tube wall on ground, and arrange down; Simultaneously, water sprayering hole 1-1 is arranged in three rows along the axial direction that sprays water pipe 1, and each is arranged between the water sprayering hole 1-1 and is staggered, and constitutes blossom type and distributes; The aperture of each water sprayering hole 1-1 is 3mm, and the spacing L4 between each water sprayering hole 1-1 is 12cm.Arrange in the manner described above, make water sprayering hole 1-1 arrange evenly, help improving the uniformity of watering.
Certainly, water sprayering hole 1-1 is not limited to be arranged in three rows, and a row, two rows, four rows or more rows all can; Its layout is not limited to blossom type yet, its Any shape evenly distribute or random distribution can, as long as guarantee that watering evenly, does not repeat them here.
More than the structure of road-mixed machine blunge control device of the present invention is described in detail, below to its use brief description.
Earlier sub-layer is sprinkled water before the last soil, keep sub-layer moistening; Go up soil according to the coefficient of loose laying of determining; Just flat with bulldozer by empty shop absolute altitude; Flatten with land leveller; With vibratory roller static pressure one time; Press the artificial cooperative mechanical cloth of design quantity inorganic binder (lime, flyash etc.) then; Detect water content at last, differ from 3% when above as water content, for the second time just need to adopt road-mixed machine of the present invention add water during mix and mix and stir the water content that control device is adjusted Stabilized Soil, specifically be on belt pulley set 3-2-1, to select the suitable belt pulley of diameter, and according to water pump 3-1 flow rate calculation rate of water make-up this moment.Add water and mix and stir, flatten after the first pressing repetition measurement water content again; After meeting the demands, carry out again mixing and stirring the second time, leveling, roller-compaction.
Be pointed out that flyash, lime, cement comprehensive stable soil be the cloth inorganic binder at twice, the first substandard cloth lime, flyash detect after the water content by calculating rate of water make-up and adopt road-mixed machine of the present invention to add water to mix and stir control device and add water for the first time and mix and stir; After the leveling, again the repetition measurement water content whether reach control require (when not reaching requirement, must carry out secondary add water mix and stir adjust water content), if water content meets the demands, artificial again cloth cement carries out moisturizing second time and mixes and stirs, and flattens immediately, roller-compaction.
As described above, by in drive pulley group 3-2-1, selecting the belt pulley of different-diameter, the rotating speed of road-mixed machine motor 4 is delivered on the water pump 3-1 by different proportion, so that require identical road environment to carry out moisturizing (for example by 1% moisturizing) to rate of water make-up, at this moment, the flow of water pump 3-1 is along with the gait of march of road-mixed machine increases and increases.When road environment requires rate of water make-up to change (for example by 2% moisturizing), only need to select and change respective diameters belt pulley among the drive pulley group 3-2-1, just can make the rotating speed of road-mixed machine motor 4 can be delivered to water pump 3-1, thereby change the corresponding rate of water make-up of water pump 3-1 under road-mixed machine motor 4 same rotational speed with new ratio.Equally, the road-mixed machine gait of march increases, and water pump 3-1 flow increases by new gearratio, and vice versa.Thus, in conjunction with the flow of water pump 3-1, just can calculate required rate of water make-up and carry out moisturizing.Because of can directly being mixed and stirred by road-mixed machine after spray water, its water content of mixing and stirring process is even, controlled, is subjected to the influence of high temperature and wind-force little, can shorten the engineering time.
Especially, this road-mixed machine adds water and mixes and stirs dirt, two-ash soil, the construction of cement stabilized soil road mix that control device can be used in different great soil groups, all kinds of Stabilized Soil of energy better controlled are mixed and stirred the uniformity and the controllability of water content in the process, and the water content when Stabilized Soil is mixed and stirred is controlled at about 1% deviation of optimum moisture content.
Use aforementioned road-mixed machine to add the road-mixed machine that water mixes and stirs control device, can guarantee uniformity, the controllability of water content when all kinds of Stabilized Soil are constructed.It sprays between the trailing wheel 7 that water pipe 1 is located at blunger protective cover 6 forward positions of road-mixed machine and road-mixed machine, can prevent that the road-mixed machine wheel body from skidding; Especially, spray water pipe 1 and be provided with near the bottom in blunger protective cover 6 forward positions, in the time of can further reducing big watering amount to the influence of road-mixed machine trailing wheel 7, thereby can carry out moisturizing by calculating required rate of water make-up requirement fully.This road-mixed machine, applicable to the road mix construction of all kinds of Stabilized Soil, application prospect is good.
Be pointed out that road-mixed machine of the present invention adds water and mixes and stirs control device and not only be confined on the road-mixed machine, other is any need the control water yield building the road or building machinery all can adopt.In addition; road-mixed machine of the present invention can be a Stabilized Soil road mix machine; dirt road-mixed machine or the like for example; but also be not limited to Stabilized Soil road mix machine; also other is built the road or building machinery for it; as long as adopted same or similar water-spraying amount control device, and can be even, controlled carry out moisturizing, just should belong to protection scope of the present invention.
The above only is a preferred implementation of the present invention, should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, and protection scope of the present invention should be as the criterion with claim institute restricted portion.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (16)
1, a kind of road-mixed machine adds water and mixes and stirs control device, it is characterized in that: comprise sprinkling water pipe with watering outlet, the water supply installation with described sprinkling cross current, the water-spraying amount control device that is provided with on described sprinkling water pipe, water supply installation communication path; Described water-spraying amount control device comprises water pump, in order to connect the transmission mechanism of described water pump power shaft and road-mixed machine engine output shaft; The pump mouth of described water pump is communicated with the outlet of described water supply installation, and the delivery port of described water pump is communicated with the inlet of described sprinkling water pipe.
2, device as claimed in claim 1 is characterized in that: described transmission mechanism comprises drive pulley group, driven pulley group and clutch, and described drive pulley group and/or driven pulley group are made up of the belt pulley of different-diameter; Described drive pulley group is connected with the Timing Belt wheel of described motor by belt, described driven pulley group is connected with the belt pulley of described water pump by belt, the driving disc spacing pressing of described clutch is connected with described drive pulley group, and the clutch plate of described clutch is connected with described driven pulley group.
3, device as claimed in claim 2 is characterized in that: described water pump is arranged near the Timing Belt wheel of described motor; Support also is set, so that fixing described water pump, drive pulley group, driven pulley group and clutch on road-mixed machine.
4, device as claimed in claim 2 is characterized in that: described clutch is automatically controlled or manual.
5, device as claimed in claim 2 is characterized in that: described transmission mechanism also comprises, driving shaft, and an end is installed the driving disc spacing pressing of described clutch; Initiatively flange shaft is installed described drive pulley group, and described active flange shaft also connects the other end of described driving shaft; Driven flange shaft, an end are installed described driven pulley group, the be slidingly installed clutch plate of described clutch of the other end; Active bearings, driven bearing are separately fixed on the described support, and support described driving shaft, driven flange shaft respectively.
6, device as claimed in claim 5 is characterized in that: described transmission mechanism also comprises adapter sleeve; Described active flange shaft is by the described adapter sleeve described driving shaft that is threaded.
7, device as claimed in claim 6 is characterized in that: described transmission mechanism also is included in the spacing ring that is provided with on the described driven flange shaft, so that limit the axially-movable of described driven flange shaft.
8, device as claimed in claim 7 is characterized in that: the driving disc spacing pressing of described clutch and described driving shaft are structure as a whole; On the described driven flange shaft dive key is set also, so that the clutch plate of described clutch moving axially along described driven flange shaft.
9, device as claimed in claim 8 is characterized in that: described drive pulley group, driven pulley group are respectively by bolt and described active flange shaft, initiatively the flange of flange shaft is fixed.
10, device as claimed in claim 1 is characterized in that: described sprinkling water pipe is connected by fire hose bag flexible pipe with the water-spraying amount control device, and described water-spraying amount control device is connected by fire hose bag flexible pipe with water supply installation.
11, device as claimed in claim 1 is characterized in that: the steel pipe that the blunger protective cover axial length that described sprinkling water pipe is length and road-mixed machine is isometric, both ends are sealed, the centre is provided with tee piece.
12, device as claimed in claim 1 is characterized in that: described watering outlet is water sprayering hole, and described water sprayering hole is a plurality of; Described a plurality of water sprayering hole is located at described sprinkling water pipe closely on the bottom tube wall of face.
13, as each described device of claim 1-12, it is characterized in that: described sprinkling water pipe is located between the trailing wheel of the blunger protective cover forward position of road-mixed machine and road-mixed machine.
14, device as claimed in claim 13 is characterized in that: described sprinkling water pipe is near the bottom in described blunger protective cover forward position, road; The leading edge in described sprinkling water pipe and described blunger protective cover forward position distance is 5～15cm, with the feather edge distance in blunger protective cover forward position be 8～20cm.
15, a kind of road-mixed machine is characterized in that, uses as each described device of claim 1-12; Described sprinkling water pipe is located between the trailing wheel of the blunger protective cover forward position of road-mixed machine and road-mixed machine.
16, road-mixed machine as claimed in claim 15 is characterized in that: described sprinkling water pipe is near the bottom in described blunger protective cover forward position; The leading edge in described sprinkling water pipe and described blunger protective cover forward position distance is 5～15cm, with the feather edge distance in blunger protective cover forward position be 8～20cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101181155A CN101338544B (en) | 2008-08-12 | 2008-08-12 | Water-adding mixing control device for road mixer and road mixer using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101181155A CN101338544B (en) | 2008-08-12 | 2008-08-12 | Water-adding mixing control device for road mixer and road mixer using the device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101338544A true CN101338544A (en) | 2009-01-07 |
| CN101338544B CN101338544B (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101181155A Expired - Fee Related CN101338544B (en) | 2008-08-12 | 2008-08-12 | Water-adding mixing control device for road mixer and road mixer using the device |
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| CN (1) | CN101338544B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385663A (en) * | 2018-01-31 | 2018-08-10 | 河海大学 | A kind of Teflon hydrophobic coating idler wheel and its application method for dry-laid powder humidification |
| CN114837963A (en) * | 2022-03-31 | 2022-08-02 | 江铃汽车股份有限公司 | Water pump flow control method and system, readable storage medium and vehicle |
-
2008
- 2008-08-12 CN CN2008101181155A patent/CN101338544B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385663A (en) * | 2018-01-31 | 2018-08-10 | 河海大学 | A kind of Teflon hydrophobic coating idler wheel and its application method for dry-laid powder humidification |
| CN114837963A (en) * | 2022-03-31 | 2022-08-02 | 江铃汽车股份有限公司 | Water pump flow control method and system, readable storage medium and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101338544B (en) | 2011-08-03 |
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Address after: 100024 Beijing, Guanzhuang, Chaoyang District, Zhou Patentee after: CCCC FIRST HIGHWAY ENGINEERING GROUP Co.,Ltd. Address before: 100024 Beijing, Guanzhuang, Chaoyang District, Zhou Patentee before: CCCC FIRST HIGHWAY ENGINEERING Co.,Ltd. |
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