CN101147458A

CN101147458A - Bamboo root excavator

Info

Publication number: CN101147458A
Application number: CNA2007101561592A
Authority: CN
Inventors: 张京平
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2007-10-19
Filing date: 2007-10-19
Publication date: 2008-03-26

Abstract

The present invention discloses a bamboo root excavating machine for excavating bamboo root remained after the bamboo is felled. Said bamboo root excavating machine includes supporting base seat, engine, guide rod which is mounted on the supporting base seat and whose end portion is equipped with gripping jaw and transmission system capable of driving cylindrical excavating saw and making it be rotated. It is characterized by that the cylinder wall of said cylindrical excavating saw possesses soil-discharging holes, on the inner wall and outer wall of said cylinder are respectively mounted spiral conveying sheets capable of making the excavated soil be discharged onto the earth's surface.

Description

Bamboo root digging machine

Technical field

The present invention relates to a kind of bamboo root digging machine that is used to excavate the bamboo root of leaving over after the bamboo felling.

Background technology

All the time, have following problems in the bamboo production operation: after the bamboo felling, the bamboo root is stayed in the soil, the diameter of a bamboo root is about 10-12 centimetre, the time of rotting is 5-10, if the bamboo root is not cut out, the land resources that interior these years bamboo root occupies has just been wasted.Remove the labor style that the bamboo root adopts manpower to excavate more at present, because bamboo root coring is dense, the operating efficiency of digging up the roots is low.Chinese patent ZL 94248579.3 disclosed " automatic torsion break type bamboo root remover ", comprise supporting base, engine, transmission system, cutter tube and coring pears, though this bamboo root digging machine tool can reduce labor intensity, increase work efficiency, but energy consumption is very big, adopts the coring pears also impracticable along rolling up ground the bamboo root.In addition, complete bamboo root can be used as the raw materials for production of handicraft, for the bamboo farming is increased income, so will guarantee the complete of bamboo root in the bamboo root mining process as far as possible.

Summary of the invention

According to above-mentioned situation, but task of the present invention provide a kind of one man operation, easy to use, power consumption is lower, can excavate the bamboo root fast, and keeps the complete bamboo root digging machine of bamboo root in mining process.

For finishing above-mentioned task, the scheme that the present invention takes is: bamboo root digging machine comprises that supporting base, engine, the device end on supporting base has the guide rod of bamboo pawl and drives the transmission system that cylinder excavates the saw rotation, it is characterized in that cylinder excavates the barrel of sawing and has earth discharging hole, the inside and outside wall of tube is separately installed with the helical feed sheet on the soil spirally-guided face of land that will excavate.

During work, the bamboo pawl of guide rod end is inserted in the soil at bamboo root top, guide rod firmly is fixed on the bamboo root.Transmission system drives cylinder and excavates the saw rotation, cuts off bamboo root coring, excavates the hack that produces and is transported to the face of land by the helical feed sheet, and the complete excavation from soil of bamboo root is come out the most at last.

Bamboo root digging machine of the present invention is fit to the one man operation, simple to operate, excavate the barrel of saw owing to cylinder and do partly to hollow out to handle to have earth discharging hole, and the helical feed sheet is installed at the inside and outside wall of tube, and can in time soil in the cylinder be expelled to the face of land, avoid soil to be gathered in cylinder interior in a large number, can produce bigger resistance, like this, both can guarantee that excacation carried out smoothly, and be beneficial to again and cut down the consumption of energy.Adopt bamboo root digging machine of the present invention can reduce labour intensity.And when having improved efficiency, guaranteed the integrality of bamboo root.

Description of drawings

Fig. 1 is a kind of concrete structure schematic diagram of bamboo root digging machine of the present invention;

Fig. 2 is the vertical view of Fig. 1 bamboo root digging machine;

Fig. 3 is a bamboo pawl connection diagram;

Fig. 4 is the A-A cutaway view of Fig. 2.

Embodiment

Below in conjunction with drawings and Examples the present invention is described in further details.

With reference to accompanying drawing, bamboo root digging machine of the present invention comprises supporting base 8, and supporting base 8 is the flat boards that have hexagon deep hole 17, is fixed with engine 2 on it, petrol engine for example, hexagon deep hole 17 is nested with hexagon guide rod 7, and pedestal can be done the vertical lift action on guide rod, at hexagon guide rod 7 tops handrail 6 is housed, can stablize body for the staff, bamboo pawl 14 is equipped with in hexagon guide rod 7 bottoms, can insert in the soil at bamboo root top during work, bears anti-torsion.Worm screw seat 10 is equipped with in order to worm screw 19 to be installed in supporting base 8 bottoms, and lifting rod 1 is installed in the supporting base middle part by nut 16.Turbine 4, bearing outside 5, cylinder excavate saw 11 and are connected (describing in detail) with supporting base 8 by bearing in accompanying drawing 4.The barrel that cylinder excavates saw has dug earth discharging hole 12.The inside and outside wall of cylinder is separately installed with the helical feed sheet 13 on the soil spirally-guided face of land that will excavate.The cylinder bottom is welded with cutting blade 15, the sharp bamboo coring that cuts off of the blade edge of a knife.Petrol engine 2 outputting powers are through driving wheel 3, belt 28, driven pulley 9 transmissions, drive worm screw 19 and rotate, and worm screw drives turbine 4 and rotates, and drive bearing outside 5, cylinder then and excavate saw 11 and rotate relative to pedestal, be that the annular excavation is carried out at the center with the guide rod.

The bamboo pawl is connected as shown in Figure 3 with guide rod, and bamboo pawl 14 is fixed on the pawl dish 21, has the hexagon hole can nested guide rod 7 on the pawl dish, and fixing with screw 20.

Referring to Fig. 4, respectively there is one section tubulose to extend at the upside that is positioned at hexagon deep hole 17 places of supporting base 8 and downside, be used for increasing the length of fit of itself and guide rod 7, strengthen the stability of work.Inboard, extension cross section is a hexagon, and the outside is circular.Downside extension 18 outer walls are equipped with upper and lower two thrust bearings, upside thrust bearing 25 bears bearing outside 5 when lifting rod 1 pull-up, turbine 4, cylinder excavate the gravity of saw 11, downside thrust bearing 27 is oppositely placed with respect to upside thrust bearing 25, bears the gravity of supporting base when not working at ordinary times.Place axle sleeve 26 between the upper and lower thrust bearing.Screw thread is arranged at following extension 18 bottoms, uses nut 24 with bearing fixing.Bearing outer cover outer bearing sleeve 5, and bearing cap 22 usefulness screws are installed on the outer bearing sleeve, turbine 4 is connected with outer bearing sleeve by key 23, the cylinder excavation saw 11 with outer bearing sleeve between be connected with pin.

Complete machine at first, promotes lifting rod in the course of the work, and supporting base is excavated saw pull-up certain altitude together with cylinder, and is firmly fixing in the soil with bamboo pawl insertion bamboo root top.Two, put down lifting rod, allow crown saw cover the bamboo root is whole, start petrol engine, through belt wheel, the turbine and worm transmission drives crown saw and rotates.Three, crown saw excavates soil downwards gradually under action of gravity, excavate the hack that produces and be transported to the face of land by the helical feed sheet, cutting blade cuts off bamboo root coring in excavation, the reaction torsion that produces in the mining process reacts on the supporting base, be passed to guide rod by supporting base again, because guide rod is fixedly on the bamboo root, the bamboo root is subjected to a reverse torsional moment at this moment.Four; when crown saw digs certain depth; because bamboo root surrounding soil hollowed out, peripheral coring is cut off in a large number, and the bamboo root constantly reduces with the power that is connected between soil; when connection power during less than turn-back moment; the bamboo velamen reverses, and this moment, the staff can feel a tangible torsion on handrail, shut down in good time; whole bamboo root can take out from soil easily, and excavation is finished.

Claims

1. bamboo root digging machine, comprise that supporting base, engine, the device end on supporting base has the guide rod of bamboo pawl and drives the transmission system that cylinder excavates the saw rotation, it is characterized in that cylinder excavates the barrel of sawing and has earth discharging hole, the inside and outside wall of tube is separately installed with the helical feed sheet on the soil spirally-guided face of land that will excavate.