CN1255571A - Spreader of bulk materials - Google Patents
Spreader of bulk materials Download PDFInfo
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- CN1255571A CN1255571A CN 99115933 CN99115933A CN1255571A CN 1255571 A CN1255571 A CN 1255571A CN 99115933 CN99115933 CN 99115933 CN 99115933 A CN99115933 A CN 99115933A CN 1255571 A CN1255571 A CN 1255571A
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- feeder
- spreader
- bulk materials
- feed tank
- sychronisation
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Abstract
A spreader for bulk material is composed of walking machine frame, feed box, delivering unit under the feed box, material supply unit at back end of walking frame, screw distributor, and quantity regulator. It can be made up by reforming existing asphalt spreader. Its advantages are convenient walking, simple structure, and high quantity and width of spreading material. It is suitable for high way, railway and arena.
Description
The present invention relates to a kind of spreader of bulk materials, be mainly used in road, railway, place basic unit bulk material, as spreading, the cloth of pulverized limestone, cement flour, soil, sand, aggregate chips, rubble, trade waste, stabilizing material etc., also can be used for the occasion that other needs the spreading bulk material.
As everyone knows, in the stabilized zone construction of road, railway, place basic unit, the cloth of its stabilizing agent such as granular materials such as lime, cement is a wherein very important job.The cloth of powdery stabilizer adopts manual work usually in the stabilized zone of the roadbase construction at present: on the ground of cloth, mark grid or point-like cloth mark, manually quantitatively throw in powder then at each grid or point-like mark, this powder of quantitatively throwing in is generally powder lot in bags, also useful dolly shipment.Feed intake finish after, with scraper plate powder is spread out.The manual work appropriation of labour power is many, and labour intensity is big, and operating personnel's health is had certain influence, environment pollution is serious, operating efficiency is low, often causes local consistent dose not enough even few, has had a strong impact on construction quality, the phenomenon that road damages happens occasionally, for guaranteeing spreading dosage, often increase the addition of stabilizing agent, thereby cause the increase of construction cost, these are not suitable mutually with the efficient machine mixing operation utmost point, require to change the cry that falls behind the dusting mode in the engineering and day by day improve.
Publish People's Transportation Press in May, 98 " in 558 pages of " filler spreader " chapters of road building machinery handbook, introduced two kinds of spreaders, a kind of is to drag the formula spreader, and a kind of is the self-propelled spreader.This book introduction drag the formula spreader, mainly roll and form by frame, hopper, road wheel, cloth, this machine drags walking by dump truck usually, road wheel drives the moving cloth that carries out of cloth lift-over by transmission device, cloth rolls and is horizontally installed in feed hopper bottom, generally is positioned at the rear of road wheel, and maximum cloth width is drawn the railway carriage width and limits, as when regulating width, in the cloth side of rolling on striker plate is set and gets final product." the road building machinery handbook also introduced herein a kind of Hungarian have that spiral shell executes machine and power drag the formula spreader, though regulate the spreading amount expanded range, but maximum spreading width still is subjected to the spiral restricted number, and spreading amount control system, whole mechanical transmission mechanism complexity, manufacturing cost is higher." the another kind of self-propelled spreader of road building machinery handbook introduction has two schemes, on truck chassis, change a social system for one, there is a receiving hopper front portion, and the material in the receiving hopper is delivered to by belt conveyor in the storage bin hopper at rear portion, and storage bin hopper bottom is provided with a cloth and rolls material is provided.Another is in truck railway carriage bottom several conveying worms to be set, and the material in the railway carriage is delivered to afterbody, and afterbody has a cloth to roll material is provided, and the adjustment of this scheme spreading width is to realize by the quantity that opens and closes conveying worm.
China Patent No. 909209873.X discloses a kind of spreader by the truck transformation of the way, and this spreader is that an embedded scraper transporter is installed in railway carriage, and the material in the railway carriage is scraped to the railway carriage afterbody, and the railway carriage afterbody has a cloth to roll material is provided.
Above-mentioned several feeder, main problem drag the formula scheme since cloth roll and road wheel between be that gearratio is to fix, the spreading amount regulative mode is for a change regulated sluice gate and the cloth aperture between rolling, its feeding coal adjustable range is limited, when aperture is excessive, material can flow out out of hand automatically, and the above-mentioned out of control problem of automatic outflow of material in the formula scheme of dragging also exists in the self-propelled spreader.
Above-mentioned cloth lift-over speed is when just the spreader speed of service is too fast, the material that cloth rolls on can produce cavitation and can not give enough materials, especially when material moisture is big, can produce serious knot doming effect, and can't feed, when material moisture was big, cloth rolled and can produce serious sizing phenomenon simultaneously, destroy cloth and rolled and regulate aperture between sluice gate, influenced cloth evenness.The material of the usefulness of building the road is then taked air storage mostly, and general water content is bigger than normal.
The control of the rotating speed adjustment that the control that it is exactly the cloth amount that above-mentioned self-propelled spreader also has a problem is mainly rolled by cloth and the material heap amount of the cloth side of rolling on realizes, and this itself just increased difficulty and complex structure of control system greatly, actual model machine is in service to have confirmed the unreliable of above-mentioned control.
A kind of formula spreader that drags of " road building machinery and mechanization of building operation " magazine 1989 the 3rd phases, 26 pages of introductions that Xian Road Communication Univ. publishes, by the hitch frame receiving hopper, the belt feeder of receiving hopper bottom, transmission device between road wheel and road wheel and belt feeder is formed, and this machine can't use mainly due to the problem of belt deviation.
In stabilized zone construction, nearly all there are the problem in the similar above-mentioned powder spreading in cloth such as other material such as building stones, industrial residue, Stabilized Soil and spreading machinery thereof.
The spreader of above-mentioned introduction also exists following shortcoming: 1, the spreading width is narrow, generally is not more than the railway carriage width; 2, drag the formula spreader, complicated operation need be manually more, influences efficient and cloth precision; 3, self-propelled spreader cost is higher, and cloth precision, lack of homogeneity.
Owing to there be above some shortcomings and the problem of introducing, although spreading machinery has developed decades, at present not yet to applying.
Chinese patent application numbers 99115805.9 discloses a kind of bulk material spreader, it is to be provided with running wheel in a frame lower, central rack is provided with feeder, running wheel is by actuator drives feeder feed, top, feeder rear portion is provided with tip V-type striker plate and adjusting device thereof forward, the frame front end is provided with the thrustor of pushing tow dump truck trailing wheel, the frame afterbody is provided with the device that is connected with another machinery, this another machinery promotes dispensing device forward, is given on the ground uniformly after dump truck is poured on the sub-material restriction of material by the V-type striker plate on the feeder.
The dispensing device of above-mentioned introduction, main shortcoming are non-self-propelled facility, shift place inconvenience.
The objective of the invention is to propose a kind of spreader of bulk materials, it has the following advantages: 1, self-propelled machinery does not need boosting machinery, 2, cloth is accurately even; 3, simple in structure, easy to operate, cost is low; 4, spreading width, spreading amount scope are big, easy to adjust.
For realizing above-mentioned purpose, the present invention is achieved in that it is by a feed tank, conveying device for the case bottom, the spiral feeding-distribution device, the feeding coal adjusting device of feeder and rear end, top thereof, walked frame is formed, feed tank is positioned at the top of frame front, the conveying device of feed tank bottom with mass transport to the feeder at rear portion, and material is divided to both sides by the spiral feeding-distribution device, the discharge of the feeding coal adjusting device restriction material on the feeder, the rotation of feeder becomes fixed proportion with the travel speed of walked frame, that is to say that feeder is synchronous with walking speed.Like this when dump truck begins material to pour feed tank into, the conveying device of feed tank bottom is at first started, with the mass transport in the feed tank to the feeder at rear portion, starting the spiral feeding-distribution device separates material uniformly, and be full of the feeder superjacent air space, machinery is walked forward then, feeder also rotates synchronously simultaneously, under the restriction of feeding coal adjusting device, material is sprinkling upon on the ground uniformly, and when machine-walking, mechanical front end pushing tow dump truck is walked forward, dump truck is walked on one side, Yi Bian with continuous the pouring in the feed box of material.
The conveying device and the walked frame of the feed tank of above-mentioned spreader, feed tank bottom, the stabilized soil paver that can utilize existing asphalt paver and change a social system by asphalt paver, be about to the part that screed, draw bar remove, also can change a social system it according to working condition.If the spreading width is big, need the sub-material amount many, can take measures such as spiral feeding-distribution device enlarged diameter.When if the spreading width is narrower, also can utilize the spiral feeding-distribution device of existing asphalt paver, in case of necessity its position is raise, be positioned over the feeder top.For the adhesion property that improves front-wheel can suitably increase front tread, at this moment can use larger-diameter wheel.
Sychronisation in the above-mentioned spreader can adopt sychronisation of the prior art, as the electronic type sychronisation, hydraulic proportional formula sychronisation, also can adopt the sychronisation of mechanical hydraulic-pressure type, its form can be feeder by the fluid motor-driven feed, flow by flow control valve control hydraulic motor, reach feeder rotating speed and the synchronous purpose of walking speed, adopt chain drive between feeder driving shaft and the land wheel, flow control valve is between two chains, when the asynchronous generation speed of land wheel difference with the feeder driving shaft, cause two chain tension differences, cause the valve rod action, the action of valve rod has changed the flow of hydraulic motor, thereby has changed the rotating speed of feeder driving shaft, realizes synchronous purpose.Above-mentioned land wheel can also can be the driving wheel of walked frame for the 5th taking turns of being used to test the speed, can certainly be synchronous for mechanical type, and the driving shaft of the frame of promptly walking directly drives the feeder running.Also can be by the headstock outputting power of walked frame, and drive the running of feeder by machine driving.
Charging gear in the above-mentioned spreader, can be chain-plate type, also can be belt-type, when the spreading width is big, can be in the feeder both sides of centre, additional other feeder, the driving shaft of the feeder that this is other can be connected with the shaft coupling form with the feeder driving shaft of centre, this additional feeder can be several parts that width does not wait, to adapt to different spreading width.
Simultaneously also can be at the additional other spiral feeding-distribution device in the both sides of spiral feeding-distribution device.This other screw can coaxially directly be connected with the spiral feeding-distribution device of centre.
Institute's art to sum up, the bulk material spreader that the present invention proposes has the following advantages: can shift easily between each place, simple in structure, cost is low, and feeding coal is easy to adjust accurately, is suitable for the spreading of various bulk materials.
Be further described below in conjunction with accompanying drawing:
Fig. 1 is the lateral view of spreading machinery
Fig. 2 is the attached view of spreading machinery
Fig. 3 has the attached view of widened section for spreading machinery
Fig. 4 is the lateral view that spreading machinery adopts the mechanical hydraulic-pressure type sychronisation
As Fig. 1, shown in 2, the spreader of bulk materials that the present invention proposes is by the feed tank (1) that is positioned at the frame front top, the conveying device (2) of feed tank (1) bottom, walked frame (3), the feeder (4) of conveying device (2) lower rear, the spiral feeding-distribution device (5) of feeder (4) front upper, the feeding coal adjusting device (7) that is positioned at top, feeder (4) rear portion is formed, feed tank (1), conveying device (2), walked frame (3) can utilize existing asphalt paver or by the stabilized soil paver of its transformation of the way or to its transformation of the way, feeder (4) is shaft-driven by the rear drive of walked frame (3), this scheme has adopted mechanical type synchronous, the frame of promptly walking rear drive shaft (6) drives feeder (4) with machine driving, feeder (4) is certain with driving shaft (6) transmission speed ratio, so can realize synchronously.Spiral shell is executed material branch that feeding-distribution device (5) sends conveying device (2) here to both sides, spiral feeding-distribution device (5) is that the opposite two parts of bilateral symmetry direction are formed, handle by two control device respectively, thereby reach the purpose of the feeding coal of controlling the both sides material respectively, the thickness of feeding coal adjusting device (7) restriction spreading material, adjusting device (8) is regulated the aperture that limits feeding coal adjusting device (7).
Shown in figure (3), when needs strengthen the spreading width, can dismountable auxiliary feeder (9) be installed at least one side of feeder (4), this additional feeder (9) can be several parts that width does not wait, and the spiral feeding-distribution device (13) of dismountable auxiliary can be installed at least one side of spiral feeding-distribution device (5) simultaneously.
As shown in Figure 4, the driving shaft (10) of feeder (4) is by fluid motor-driven, between driving shaft (10) and the land wheel (11) chain and sprocket driving device is housed, be provided with hydraulic flow control valve (12) between two chains, the action of its flow valve control lever causes by two chain wheel speed differences that chain (14) tensile force changes and regulates its position, thereby the speed of flow-control two sprocket wheels of control hydraulic motor is poor, to reach synchronous purpose.
Claims (10)
1, a kind of spreader of bulk materials, mainly by feed tank (1), the conveying device (2) of feed tank (1) bottom, spiral feeding-distribution device (5), the feeding coal adjusting device (7) of feeder (4) and rear end, top thereof, walked frame (3) is formed, it is characterized in that feed tank (1) is positioned at walked frame (3) front upper, feed tank (1) bottom is provided with the conveying device (2) of mass transport to walked frame (3) rear portion, and walked frame (3) rear portion is provided with spiral feeding-distribution device (5), feeder (4), feeder (4) rear end, top is provided with feeding coal adjusting device (7).
2,, it is characterized in that conveying device (2), the walked frame (3) of feed tank (1), feed tank (1) bottom can directly utilize existing asphalt paver to reach by the stabilized soil paver of its transformation of the way or by its transformation of the way according to the spreader of bulk materials of claim 1 defined.
3, according to the spreader of bulk materials of claim 1 defined, it is characterized in that feeder (4) can drive for the mechanical type type of drive by walked frame (3) outputting power, be at this moment to utilize the fixing speed ratio of machine driving to reach synchronous purpose.
4, according to the spreader of bulk materials of claim 1 defined, it is characterized in that feeder (4) can be the hydraulic driving mode by fluid motor-driven, hydraulic motor and walked frame are provided with sychronisation between (3).
5, according to the spreader of bulk materials of claim 4 defined, it is characterized in that sychronisation can be the mechanical hydraulic-pressure type sychronisation, it is fluid motor-driven feeder (4) feed, synchronous by flow control valve (12) control hydraulic motor flow to realize, adopt chain drive between the driving shaft (10) of feeder (4) and land wheel (11), flow control valve (12) is positioned between two chains (14), and the action of valve rod is that the speed difference by two sprocket wheels causes that the change of two chain tensions controls.
6,, it is characterized in that sychronisation can be the electronic type sychronisation according to the spreader of bulk materials of claim 4 defined.
7, according to the spreader of bulk materials of claim 4 defined, it is characterized in that can be the hydraulic pressure series system with device, i.e. frame walking drives hydraulic motor and connects with the feeder CD-ROM drive motor.
8,, it is characterized in that feeder (4) can be the chain-plate type feeder according to the spreader of bulk materials of claim 1 defined.
9,, it is characterized in that feeder (4) can install additional feeder (9) in a side at least according to the spreader of bulk materials of claim 1 defined.
10,, it is characterized in that spiral feeding-distribution device (5) can install additional spiral feeding-distribution device (13) in a side at least according to the spreader of bulk materials of claim 1 defined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99115933 CN1255571A (en) | 1999-12-07 | 1999-12-07 | Spreader of bulk materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99115933 CN1255571A (en) | 1999-12-07 | 1999-12-07 | Spreader of bulk materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1255571A true CN1255571A (en) | 2000-06-07 |
Family
ID=5278821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99115933 Pending CN1255571A (en) | 1999-12-07 | 1999-12-07 | Spreader of bulk materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1255571A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838962A (en) * | 2010-04-20 | 2010-09-22 | 南文辉 | Material paver |
| CN108342951A (en) * | 2018-02-10 | 2018-07-31 | 杨涵水 | Construction of the highway pulverized limestone laying apparatus |
-
1999
- 1999-12-07 CN CN 99115933 patent/CN1255571A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838962A (en) * | 2010-04-20 | 2010-09-22 | 南文辉 | Material paver |
| CN101838962B (en) * | 2010-04-20 | 2013-05-01 | 陕西长大实业有限公司 | Material paver |
| CN108342951A (en) * | 2018-02-10 | 2018-07-31 | 杨涵水 | Construction of the highway pulverized limestone laying apparatus |
| WO2019153704A1 (en) * | 2018-02-10 | 2019-08-15 | 杨涵水 | Lime powder laying device for highway construction |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |