CN203504998U

CN203504998U - Soil covering roller

Info

Publication number: CN203504998U
Application number: CN201320352104.XU
Authority: CN
Inventors: 张朝书
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-19
Filing date: 2013-06-19
Publication date: 2014-04-02
Anticipated expiration: 2023-06-19

Abstract

The utility model relates to the technical field of a soil covering device of an agricultural seeding machine and provides a soil covering roller. The soil covering roller comprises a stander, a mandrel device, a rolling wheel limiting device and a soil covering cylinder device, wherein a mandrel sleeve is fixed at the middle of one end of the soil covering cylinder device, the soil covering cylinder device is mounted on the stander through the mandrel sleeve and the mandrel device, and the outer side of the other end of the soil covering cylinder device is mounted on the stander through the rolling wheel limiting device and can rotate. The soil covering roller is reasonable and compact in structure and is convenient to use. One end of the soil covering cylinder device is positioned by the mandrel device, the other end of the soil covering cylinder device is positioned by the rolling wheel limiting device, and the height of a soil covering cylinder can be regulated by virtue of a heightening top thread rod and a mandrel heightening device, so that compared with an existing two-end mandrel type soil covering cylinder, the soil covering cylinder has the advantage that sundries are not easily wound; compared with a single-side-traction mandrel type soil covering cylinder, the soil covering cylinder has the advantages of high strength and stability and reliability in working; compared with a soil covering cylinder the two ends of which are provided with rolling wheel limiting devices, the soil covering cylinder has the advantages of flexibility in rotation, stability in operation and low probability of jumping.

Description

Soil-covered drum

Technical field

the utility model relates to agricultural seeder machinery drum-type covering device technical field, is a kind of soil-covered drum.

Background technology

in agricultural seeder machinery covering device, the covering device of drum-type due to simple in structure, earthing effect better, operating efficiency is higher, uses comparatively extensively, it is generally divided into two classes at present, be the soil covering barrel that two ends adopt axle to connect, another kind is the soil covering barrel of not being in the mood for shaft type.Soil covering barrel for two ends axle formula, though it can complete earthing operation on request under certain tillage condition, but because the soil condition of various places is different, during work often due to root stubble larger in soil, soil block and residual film, by soil covering barrel, at muscle and axle place is stuck or be wound around, cisco unity malfunction, needs clearing up of not timing during work, thereby reduced operating efficiency, increased use cost; For the soil covering barrel of not being in the mood for shaft type, the two ends of general soil covering barrel are all arranged in frame by roller device for limiting, easily there is axial jump in soil covering barrel, because the foreign material such as larger root stubble and residual film are easily wrapped on roller, roller rotates not too flexible, very easily cause soil covering barrel stuck, make it cannot normal rotation, had a strong impact on operating efficiency.In addition, also have at present a kind of soil covering barrel of one-sided trail-type axle formula to be generally, due to one end organic frame support at its axle place, one end is free end in addition, when transporting or changing one's profession, free end is due to easily tenesmus of deadweight, when work when the resistance of free end is excessive, the yielding even damage of axle bed, and when carrying out bunch planting, the one end at soil covering barrel axle place easily boosts film, and the hole of bunch planting and the hole on film are misplaced, and causes later stage emergence rate lower.

Summary of the invention

the utility model provides a kind of soil-covered drum, overcome the deficiency of above-mentioned prior art, its axle place that can effectively solve the axle formula soil covering barrel of existing drum-type covering device existence is easily wound around foreign material, the roller of not being in the mood for shaft type soil covering barrel is easily wound around foreign material and is stuck, need often clear up, cause the problem that operating efficiency is lower.

the utility model has also further solved existing axle and has propped up free end that the soil covering barrel of muscle formula the exists problem that deformed damaged, axle place end easily boost film, make bunch planting hole and membrane pores to misplace that easily drops.

the technical solution of the utility model realizes by following measures: a kind of soil-covered drum, comprise frame, spindle unit, roller device for limiting and soil covering barrel device, the middle part, one end of soil covering barrel device is fixed with axle cover and is overlapped with spindle unit and be arranged in frame by axle, the other end outside of soil covering barrel device is arranged in frame and can be rotated by roller device for limiting, has the earthing gap that is no less than on soil covering barrel device.

the further optimization and/or improvements to above-mentioned utility model technical scheme below:

above-mentioned frame can comprise left hack lever, right hack lever and cross bar, the two ends, left and right of cross bar are separately fixed on left hack lever and right hack lever, the front portion of left hack lever and right hack lever is respectively arranged with draw pin openings, soil covering barrel device left end is arranged on left hack lever bottom by spindle unit, and soil covering barrel device right-hand member is arranged on right hack lever bottom by roller device for limiting.

on the left hack lever of above-mentioned corresponding draw pin openings rear position and right hack lever, can be respectively arranged with vertical screw hole, in vertical screw hole, be installed with to hold out against and heighten jackscrew bar on the traction seat upper surface of frame draw-gear, heighten the lower surface that left hack lever and right hack lever are protruded in the lower end of jackscrew bar.

above-mentioned rollers device for limiting can comprise front wheel device for limiting and rear roller device for limiting, front wheel device for limiting comprises front wheel frame montant, front upper wheel seat, front upper roller, front hold down gag, front lower pole socket, front lower brace and front bottom roller, the lower end, right hack lever middle part of corresponding soil covering barrel device anterior position is fixed with front wheel frame montant, front wheel frame montant middle part is provided with front upper wheel seat by front stall hinge, front upper wheel seat rear portion is provided with front upper roller by rotating shaft, front hold down gag comprises front pressure regulation spring abutment, front screw press and front pressure spring, front upper wheel seat rear upper end is fixed with front pressure regulation spring abutment, before corresponding, the right hack lever of pressure regulation spring abutment position is provided with front vertical core, front screw press is fixedly mounted on right hack lever by locking nut and front vertical core, between front screw press and front pressure regulation spring abutment, front pressure spring is installed, front wheel frame montant bottom is fixed with front lower pole socket, on front lower pole socket, be provided with along the front upper back lower place to the front brace installing hole tilting, front lower brace front portion is fixedly mounted in front brace installing hole and can be regulated front and back position by lock screw, front lower brace rear portion is provided with front bottom roller by rotating shaft, rear roller device for limiting comprises rear roller frame montant, rear upper wheel seat, rear upper roller, rear hold down gag, rear lower pole socket, rear lower brace and rear bottom roller, the lower end, right hack lever rear portion of corresponding soil covering barrel device rear position is fixed with rear roller frame montant, rear roller frame montant middle part is provided with rear upper wheel seat by back seat hinge, rear upper wheel seat front portion is provided with rear upper roller by rotating shaft, rear hold down gag comprises rear pressure regulation spring abutment, rear screw press and rear pressure spring, rear upper wheel seat nock is fixed with rear pressure regulation spring abutment, after corresponding, the right hack lever of pressure regulation spring abutment position is provided with rear vertical core, rear screw press is fixedly mounted on right hack lever by locking nut and rear vertical core, between rear screw press and rear pressure regulation spring abutment, rear pressure spring is installed, rear roller frame montant bottom is fixed with rear lower pole socket, on rear lower pole socket, be provided with along front lower back upper place to the rear brace installing hole tilting, rear lower brace rear portion is fixedly mounted in rear brace installing hole and can be regulated front and back position by lock screw, rear lower brace front portion is provided with rear bottom roller by rotating shaft, the front bottom, outside of soil covering barrel device right part and outside rear lower are sitting in respectively on front bottom roller and rear bottom roller, and front upper roller and rear upper roller lower end are pressed on respectively outside front upper part and the upper back, outside of soil covering barrel device right part.

between above-mentioned spindle unit and left hack lever bottom, can be provided with axle height-regulating device, axle height-regulating device can comprise installs frame plate, adjustable seat board and adjusting yoke, left hack lever lower end left part is fixed with installation frame plate, on the left hack lever that corresponding installation frame plate right bit is put, there is vertical through hole, the upper end of adjustable seat board is fixed with adjusting yoke, the top of adjusting yoke is fixed on left hack lever by vertical through hole and lock nut, the front positioning through hole and the rear positioning through hole that on frame plate, are provided with long axis vertical direction are installed, on the adjustable seat board of corresponding front positioning through hole and rear positioning lead to the hole site, there are front lock hole and rear lock hole, adjustable seat board is fixedly mounted on frame plate right part is installed by the bolt through front lock hole and front positioning through hole with through the bolt of rear lock hole and rear positioning through hole, adjustable seat board right-hand member is connected with soil covering barrel device left end by spindle unit.

above-mentioned spindle unit can comprise outer bearing carrier and central shaft, and the right part of central shaft is fixedly mounted in axle cover by holding screw, and outer bearing carrier is fixedly mounted on adjustable seat board right-hand member by screw, and the left part of central shaft is arranged in outer bearing carrier and can rotates.

above-mentioned spindle unit can comprise fixed hub, central shaft and inner pedestal, adjustable seat board right-hand member is fixed with fixed hub, the left part of central shaft is fixedly mounted in fixed hub by holding screw, the right-hand member of axle cover is mounted by means of screws with inner pedestal, and the right part of central shaft is arranged in inner pedestal and can rotates.

above-mentioned soil covering barrel device can comprise left side ring, left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber middle part of left side ring by lacing wire or disc, on the right part inwall of left side ring, be fixed with the left muscle that connects, the left right part outside that connects muscle is fixed with left-hand cylinder body, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, and tire circle left side is protruded right cylindrical shell outside and formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; The left part outside of left-hand cylinder body is fixed with the left ring cylinder that can regulate position, left and right by lock screw, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, between left side ring and left ring cylinder, forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left.

above-mentioned soil covering barrel device can comprise left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber left end middle part of left-hand cylinder body by lacing wire or disc, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, tire circle left side is protruded right cylindrical shell outside and is formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; In the frame of left-hand cylinder body left, be provided with the native device of gear, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, keeps off between native device and left-hand cylinder body left end and forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left; Keep off native device and comprise baffle plate mount pad, baffle plate connecting rod and breast boards, the front end bottom that frame plate is installed is fixed with baffle plate mount pad, baffle plate connecting rod left part is fixedly mounted in baffle plate mount pad by lock screw, baffle plate connecting rod right-hand member is fixed with breast boards, between the right flank of breast boards and the left side of left-hand cylinder body, forms the first earthing gap.

lower end, above-mentioned left hack lever rear portion can be fixed with left back montant, and lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, is fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, can be separately installed with press wheel.

the utility model reasonable and compact in structure, easy to use, one end of its soil covering barrel device adopts spindle unit location, the other end adopts roller device for limiting location, by heightening jackscrew bar and axle height-regulating device, can regulate easily soil covering barrel height, soil covering barrel compared with existing two ends axle formula has advantages of the winding of being difficult for foreign material, compared with the axle formula soil covering barrel of one-sided traction, have that soil covering barrel intensity is better, the reliable advantage of stable working, compared with two ends all use the soil covering barrel of roller device for limiting to have advantages of to rotate flexibly, running stablizes, is difficult for jumping.

Accompanying drawing explanation

accompanying drawing 1 is the plan structure schematic diagram with one of soil covering barrel apparatus structure of the present utility model.

accompanying drawing 2 is the main TV structure schematic diagram of accompanying drawing 1.

accompanying drawing 3 be A in accompanying drawing 1 to structural representation.

accompanying drawing 4 is the sectional structure schematic diagram of one of the spindle unit structure at B-B place in accompanying drawing 2.

accompanying drawing 5 is two sectional structure schematic diagram of the spindle unit structure at B-B place in accompanying drawing 2.

accompanying drawing 6 is two the plan structure schematic diagram with soil covering barrel apparatus structure of the present utility model.

accompanying drawing 7 is the main TV structure schematic diagram of accompanying drawing 6.

coding in accompanying drawing is respectively: 1 is left hack lever, 2 is right hack lever, 3 is cross bar, 4 is left side ring, 5 is axle cover, 6 is left-hand cylinder body, 7 is right cylindrical shell, 8 is tire circle, 9 is the left muscle that connects, 10 is the right muscle that connects, 11 is left ring cylinder, 12 is middle ring cylinder, 13 is right ring cylinder, 14 is the first earthing gap, 15 is the second earthing gap, 16 is conveying blade, 17 for installing frame plate, 18 is adjustable seat board, 19 is adjusting yoke, 20 is front positioning through hole, 21 is rear positioning through hole, 22 is front wheel frame montant, 23 is front upper wheel seat, 24 is front upper roller, 25 is front lower pole socket, 26 is front lower brace, 27 is front bottom roller, 28 is front pressure regulation spring abutment, 29 is front screw press, 30 is front pressure spring, 31 is rear roller frame montant, 32 is rear upper wheel seat, 33 is rear upper roller, 34 is rear lower pole socket, 35 is rear lower brace, 36 is rear bottom roller, 37 is rear pressure regulation spring abutment, 38 is rear screw press, 39 is rear pressure spring, 40 is outer bearing carrier, axle centered by 41, 42 is fixed hub, 43 is inner pedestal, 44 is baffle plate mount pad, 45 is baffle plate connecting rod, 46 is breast boards, 47 for heightening jackscrew bar, 48 is left back montant, 49 is rear transverse rod, 50 is press wheel.

Embodiment

the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.

in the utility model, for convenience of description, the direction that the utility model of take advances is the place ahead, the description of the relative position relation of each parts is all person advances towards the utility model according to the observation directions as with reference to being described, if: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to observer's direction relatively.

below in conjunction with embodiment and accompanying drawing, the utility model is further described:

as shown in accompanying drawing 1,2,6,7, this soil-covered drum comprises frame, spindle unit, roller device for limiting and soil covering barrel device, one end middle part of soil covering barrel device be fixed with axle cover 5 and by axle overlap 5 and spindle unit be arranged in frame, the other end outside of soil covering barrel device is arranged in frame and can be rotated by roller device for limiting, has the earthing gap that is no less than on soil covering barrel device.One end of soil covering barrel device adopts spindle unit, the other end adopts roller device for limiting location, soil covering barrel compared with existing two ends axle formula has advantages of the winding of being difficult for foreign material, compared with the axle formula soil covering barrel of one-sided traction, have that soil covering barrel intensity is better, the reliable advantage of stable working, compared with two ends all use the soil covering barrel of roller device for limiting to have advantages of to rotate flexibly, running stablizes, is difficult for jumping.

can according to actual needs, above-mentioned soil-covered drum be made further optimization and/or improvements:

as shown in Figure 1, frame comprises left hack lever 1, right hack lever 2 and cross bar 3, the two ends, left and right of cross bar 3 are separately fixed on left hack lever 1 and right hack lever 2, the front portion of left hack lever 1 and right hack lever 2 is respectively arranged with draw pin openings, soil covering barrel device left end is arranged on left hack lever 1 bottom by spindle unit, and soil covering barrel device right-hand member is arranged on right hack lever 2 bottoms by roller device for limiting.

as shown in accompanying drawing 1,2,3, on the left hack lever 1 of corresponding draw pin openings rear position and right hack lever 2, be respectively arranged with vertical screw hole, in vertical screw hole, be installed with to hold out against and heighten jackscrew bar 47 on the traction seat upper surface of frame draw-gear, heighten the lower surface that left hack lever 1 and right hack lever 2 are protruded in the lower end of jackscrew bar 47.When left hack lever 1 and right hack lever 2 are arranged on the traction seat of frame draw-gear by draw pin openings after, by adjusting, heighten the lower end extension elongation of jackscrew bar 47, can regulate the lift height of left hack lever 1 and right hack lever 2, while having solved existing soil covering barrel device work, easily film is boosted, makes to the problem of bunch planting hole and membrane pores dislocation, use convenient.

as shown in accompanying drawing 1,3, roller device for limiting comprises front wheel device for limiting and rear roller device for limiting, front wheel device for limiting comprises front wheel frame montant 22, front upper wheel seat 23, front upper roller 24, front hold down gag, front lower pole socket 25, front lower brace 26 and front bottom roller 27, right hack lever 2 lower ends, middle part of corresponding soil covering barrel device anterior position are fixed with front wheel frame montant 22, front wheel frame montant 22 middle parts are provided with front upper wheel seat 23 by front stall hinge, front upper wheel seat 23 rear portions are provided with front upper roller 24 by rotating shaft, front hold down gag comprises front pressure regulation spring abutment 28, front screw press 29 and front pressure spring 30, front upper wheel seat 23 rear upper end are fixed with front pressure regulation spring abutment 28, before corresponding, the right hack lever 2 of pressure regulation spring abutment 28 positions is provided with front vertical core, front screw press 29 is fixedly mounted on right hack lever 2 by locking nut and front vertical core, between front screw press 29 and front pressure regulation spring abutment 28, front pressure spring 30 is installed, front wheel frame montant 22 bottoms are fixed with front lower pole socket 25, on front lower pole socket 25, be provided with along the front upper back lower place to the front brace installing hole tilting, front lower brace 26 front portions are fixedly mounted in front brace installing hole and can be regulated front and back position by lock screw, front lower brace 26 rear portions are provided with front bottom roller 27 by rotating shaft, rear roller device for limiting comprises rear roller frame montant 31, rear upper wheel seat 32, rear upper roller 33, rear hold down gag, rear lower pole socket 34, rear lower brace 35 and rear bottom roller 36, right hack lever 2 lower ends, rear portion of corresponding soil covering barrel device rear position are fixed with rear roller frame montant 31, rear roller frame montant 31 middle parts are provided with rear upper wheel seat 32 by back seat hinge, rear upper wheel seat 32 front portions are provided with rear upper roller 33 by rotating shaft, rear hold down gag comprises rear pressure regulation spring abutment 37, rear screw press 38 and rear pressure spring 39, rear upper wheel seat 32 nocks are fixed with rear pressure regulation spring abutment 37, after corresponding, the right hack lever 2 of pressure regulation spring abutment 37 positions is provided with rear vertical core, rear screw press 38 is fixedly mounted on right hack lever 2 by locking nut and rear vertical core, between rear screw press 38 and rear pressure regulation spring abutment 37, rear pressure spring 39 is installed, rear roller frame montant 31 bottoms are fixed with rear lower pole socket 34, on rear lower pole socket 34, be provided with along front lower back upper place to the rear brace installing hole tilting, rear lower brace 35 rear portions are fixedly mounted in rear brace installing hole and can be regulated front and back position by lock screw, rear lower brace 35 front portions are provided with rear bottom roller 36 by rotating shaft, the front bottom, outside of soil covering barrel device right part and outside rear lower are sitting in respectively on front bottom roller 27 and rear bottom roller 36, and front upper roller 24 and rear upper roller 33 lower ends are pressed on respectively outside front upper part and the upper back, outside of soil covering barrel device right part.

as shown in accompanying drawing 1,2, between spindle unit and left hack lever 1 bottom, be provided with axle height-regulating device, axle height-regulating device comprises installs frame plate 17, adjustable seat board 18 and adjusting yoke 19, left hack lever 1 lower end left part is fixed with installs frame plate 17, on the left hack lever 1 of corresponding installation frame plate 17 right-hand positions, there is vertical through hole, the upper end of adjustable seat board 18 is fixed with adjusting yoke 19, the top of adjusting yoke 19 is fixed on left hack lever 1 by vertical through hole and lock nut, the front positioning through hole 20 and the rear positioning through hole 21 that on frame plate 17, are provided with long axis vertical direction are installed, on the adjustable seat board 18 of corresponding front positioning through hole 20 and rear positioning through hole 21 positions, there are front lock hole and rear lock hole, adjustable seat board 18 is fixedly mounted on frame plate 17 right parts is installed by the bolt through front lock hole and front positioning through hole 20 with through the bolt of rear lock hole and rear positioning through hole 21, adjustable seat board 18 right-hand members are connected with soil covering barrel device left end by spindle unit.By axle height-regulating device, can make there is the gap of a centimetre to two centimetres between this end of soil covering barrel device and ground, to prevent that soil covering barrel device from boosting film, guarantee the bunch planting hole of emerging in hole and soil on film can not misplaced.

as shown in Figure 4, one of spindle unit structure comprises outer bearing carrier 40 and central shaft 41, the right part of central shaft 41 is fixedly mounted in axle cover 5 by holding screw, outer bearing carrier 40 is fixedly mounted on adjustable seat board 18 right-hand members by screw, and the left part of central shaft 41 is arranged in outer bearing carrier 40 and can rotates.

as shown in Figure 5, two of spindle unit structure comprises fixed hub 42, central shaft 41 and inner pedestal 43, adjustable seat board 18 right-hand members are fixed with fixed hub 42, the left part of central shaft 41 is fixedly mounted in fixed hub 42 by holding screw, the right-hand member of axle cover 5 is mounted by means of screws with inner pedestal 43, and the right part of central shaft 41 is arranged in inner pedestal 43 and can rotates.

as shown in accompanying drawing 1,2, one of soil covering barrel apparatus structure comprises left side ring 4, left-hand cylinder body 6, right cylindrical shell 7 and tire circle 8; Axle cover 5 is fixed on the inner chamber middle part of left side ring 4 by lacing wire or disc, on the right part inwall of left side ring 4, be fixed with the left muscle 9 that connects, the left right part outside that connects muscle 9 is fixed with left-hand cylinder body 6, on the right part inwall of left-hand cylinder body 6, be fixed with the right muscle 10 that connects, the right right part outside that connects muscle 10 is fixed with right cylindrical shell 7, the left part outside of right cylindrical shell 7 is fixed with tire circle 8, and tire circle 8 left sides are protruded right cylindrical shell 7 outsides and formed limited ring dais, are distributed with projection or tire on the lateral surface around tire circle 8; The left part outside of left-hand cylinder body 6 is fixed with the left ring cylinder 11 that can regulate position, left and right by lock screw, the right part outside of left-hand cylinder body 6 is fixed with by lock screw and is fixed with the middle ring cylinder 12 that can regulate position, left and right, and the left part outside of right cylindrical shell 7 is fixed with by lock screw and is fixed with the right ring cylinder 13 that can regulate position, left and right; Earthing gap comprises the first earthing gap 14 and the second earthing gap 15, between left side ring 4 and left ring cylinder 11, forms the first earthing gap 14, between middle ring cylinder 12 and right ring cylinder 13, forms the second earthing gap 15; On the inwall of left-hand cylinder body 6 and right cylindrical shell 7, be fixed with in the shape of a spiral and can carry the conveying blade 16 of tire circle 8 interior earth left.Left muscle 9 and the right quantity that connects muscle 10 of connecting is for being no less than two, and preferably along ring-type, is uniformly distributed; In addition, a plurality of earthing gap can be set on soil covering barrel device as required; The middle part of left-hand cylinder body 6 is preferably provided with sediment flushing outlet and is installed with adjustment doors.

as illustrated in 6,7, two of soil covering barrel apparatus structure comprise left-hand cylinder body 6, right cylindrical shell 7 and tire circle 8; Axle cover 5 is fixed on the inner chamber left end middle part of left-hand cylinder body 6 by lacing wire or disc, on the right part inwall of left-hand cylinder body 6, be fixed with the right muscle 10 that connects, the right right part outside that connects muscle 10 is fixed with right cylindrical shell 7, the left part outside of right cylindrical shell 7 is fixed with tire circle 8, tire circle 8 left sides are protruded right cylindrical shell 7 outsides and are formed limited ring dais, are distributed with projection or tire on the lateral surface around tire circle 8; In the frame of left-hand cylinder body 6 lefts, be provided with the native device of gear, the right part outside of left-hand cylinder body 6 is fixed with by lock screw and is fixed with the middle ring cylinder 12 that can regulate position, left and right, and the left part outside of right cylindrical shell 7 is fixed with by lock screw and is fixed with the right ring cylinder 13 that can regulate position, left and right; Earthing gap comprises the first earthing gap 14 and the second earthing gap 15, keeps off between native device and left-hand cylinder body 6 left ends and forms the first earthing gap 14, between middle ring cylinder 12 and right ring cylinder 13, forms the second earthing gap 15; On the inwall of left-hand cylinder body 6 and right cylindrical shell 7, be fixed with in the shape of a spiral and can carry the conveying blade 16 of tire circle 8 interior earth left; Keep off native device and comprise baffle plate mount pad 44, baffle plate connecting rod 45 and breast boards 46, the front end bottom that frame plate 17 is installed is fixed with baffle plate mount pad 44, baffle plate connecting rod 45 left parts are fixedly mounted in baffle plate mount pad 44 by lock screw, baffle plate connecting rod 45 right-hand members are fixed with breast boards 46, between the right flank of breast boards 46 and the left side of left-hand cylinder body 6, form the first earthing gap 14.The best semicircular in shape of breast boards 46, the height of breast boards 46 is preferably 1/3rd of soil covering barrel diameter; The right quantity that connects muscle 10 is for being no less than two, and preferably along ring-type, is uniformly distributed; In addition, a plurality of earthing gap can be set on soil covering barrel device as required; The middle part of left-hand cylinder body 6 is preferably provided with sediment flushing outlet and is installed with adjustment doors.

can be according to actual needs, as shown in accompanying drawing 1,2,3,6,7, in left hack lever 1 lower end, rear portion, be fixed with left back montant 48, right hack lever 2 lower ends, rear portion are fixed with right back montant, between left back montant 48 lower ends and right back montant lower end, be fixed with rear transverse rod 49, on the rear transverse rod 49 of corresponding each earthing gap position, be separately installed with press wheel 50.

above technical characterictic has formed embodiment of the present utility model, and it has stronger adaptability and implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.

Claims

1. a soil-covered drum, it is characterized in that comprising frame, spindle unit, roller device for limiting and soil covering barrel device, the middle part, one end of soil covering barrel device is fixed with axle cover and is overlapped with spindle unit and be arranged in frame by axle, the other end outside of soil covering barrel device is arranged in frame and can be rotated by roller device for limiting, has the earthing gap that is no less than on soil covering barrel device.

2. soil-covered drum according to claim 1, it is characterized in that frame comprises left hack lever, right hack lever and cross bar, the two ends, left and right of cross bar are separately fixed on left hack lever and right hack lever, the front portion of left hack lever and right hack lever is respectively arranged with draw pin openings, soil covering barrel device left end is arranged on left hack lever bottom by spindle unit, and soil covering barrel device right-hand member is arranged on right hack lever bottom by roller device for limiting.

3. soil-covered drum according to claim 2, it is characterized in that being respectively arranged with vertical screw hole on the left hack lever of corresponding draw pin openings rear position and right hack lever, in vertical screw hole, be installed with to hold out against and heighten jackscrew bar on the traction seat upper surface of frame draw-gear, heighten the lower surface that left hack lever and right hack lever are protruded in the lower end of jackscrew bar.

4. according to the soil-covered drum described in claim 2 or 3, it is characterized in that roller device for limiting comprises front wheel device for limiting and rear roller device for limiting, front wheel device for limiting comprises front wheel frame montant, front upper wheel seat, front upper roller, front hold down gag, front lower pole socket, front lower brace and front bottom roller, the lower end, right hack lever middle part of corresponding soil covering barrel device anterior position is fixed with front wheel frame montant, front wheel frame montant middle part is provided with front upper wheel seat by front stall hinge, front upper wheel seat rear portion is provided with front upper roller by rotating shaft, front hold down gag comprises front pressure regulation spring abutment, front screw press and front pressure spring, front upper wheel seat rear upper end is fixed with front pressure regulation spring abutment, before corresponding, the right hack lever of pressure regulation spring abutment position is provided with front vertical core, front screw press is fixedly mounted on right hack lever by locking nut and front vertical core, between front screw press and front pressure regulation spring abutment, front pressure spring is installed, front wheel frame montant bottom is fixed with front lower pole socket, on front lower pole socket, be provided with along the front upper back lower place to the front brace installing hole tilting, front lower brace front portion is fixedly mounted in front brace installing hole and can be regulated front and back position by lock screw, front lower brace rear portion is provided with front bottom roller by rotating shaft, rear roller device for limiting comprises rear roller frame montant, rear upper wheel seat, rear upper roller, rear hold down gag, rear lower pole socket, rear lower brace and rear bottom roller, the lower end, right hack lever rear portion of corresponding soil covering barrel device rear position is fixed with rear roller frame montant, rear roller frame montant middle part is provided with rear upper wheel seat by back seat hinge, rear upper wheel seat front portion is provided with rear upper roller by rotating shaft, rear hold down gag comprises rear pressure regulation spring abutment, rear screw press and rear pressure spring, rear upper wheel seat nock is fixed with rear pressure regulation spring abutment, after corresponding, the right hack lever of pressure regulation spring abutment position is provided with rear vertical core, rear screw press is fixedly mounted on right hack lever by locking nut and rear vertical core, between rear screw press and rear pressure regulation spring abutment, rear pressure spring is installed, rear roller frame montant bottom is fixed with rear lower pole socket, on rear lower pole socket, be provided with along front lower back upper place to the rear brace installing hole tilting, rear lower brace rear portion is fixedly mounted in rear brace installing hole and can be regulated front and back position by lock screw, rear lower brace front portion is provided with rear bottom roller by rotating shaft, the front bottom, outside of soil covering barrel device right part and outside rear lower are sitting in respectively on front bottom roller and rear bottom roller, and front upper roller and rear upper roller lower end are pressed on respectively outside front upper part and the upper back, outside of soil covering barrel device right part.

5. according to the soil-covered drum described in claim 2 or 3, it is characterized in that being provided with axle height-regulating device between spindle unit and left hack lever bottom, axle height-regulating device comprises installs frame plate, adjustable seat board and adjusting yoke, left hack lever lower end left part is fixed with installation frame plate, on the left hack lever that corresponding installation frame plate right bit is put, there is vertical through hole, the upper end of adjustable seat board is fixed with adjusting yoke, the top of adjusting yoke is fixed on left hack lever by vertical through hole and lock nut, the front positioning through hole and the rear positioning through hole that on frame plate, are provided with long axis vertical direction are installed, on the adjustable seat board of corresponding front positioning through hole and rear positioning lead to the hole site, there are front lock hole and rear lock hole, adjustable seat board is fixedly mounted on frame plate right part is installed by the bolt through front lock hole and front positioning through hole with through the bolt of rear lock hole and rear positioning through hole, adjustable seat board right-hand member is connected with soil covering barrel device left end by spindle unit.

6. soil-covered drum according to claim 4, is characterized in that being provided with axle height-regulating device between spindle unit and left hack lever bottom, and axle height-regulating device comprises installs frame plate, adjustable seat board and adjusting yoke, left hack lever lower end left part is fixed with installation frame plate, on the left hack lever that corresponding installation frame plate right bit is put, there is vertical through hole, the upper end of adjustable seat board is fixed with adjusting yoke, the top of adjusting yoke is fixed on left hack lever by vertical through hole and lock nut, the front positioning through hole and the rear positioning through hole that on frame plate, are provided with long axis vertical direction are installed, on the adjustable seat board of corresponding front positioning through hole and rear positioning lead to the hole site, there are front lock hole and rear lock hole, adjustable seat board is fixedly mounted on frame plate right part is installed by the bolt through front lock hole and front positioning through hole with through the bolt of rear lock hole and rear positioning through hole, adjustable seat board right-hand member is connected with soil covering barrel device left end by spindle unit.

7. soil-covered drum according to claim 5, it is characterized in that spindle unit comprises outer bearing carrier and central shaft, the right part of central shaft is fixedly mounted in axle cover by holding screw, outer bearing carrier is fixedly mounted on adjustable seat board right-hand member by screw, and the left part of central shaft is arranged in outer bearing carrier and can rotates.

?

8. soil-covered drum according to claim 6, it is characterized in that spindle unit comprises outer bearing carrier and central shaft, the right part of central shaft is fixedly mounted in axle cover by holding screw, outer bearing carrier is fixedly mounted on adjustable seat board right-hand member by screw, and the left part of central shaft is arranged in outer bearing carrier and can rotates.

9. soil-covered drum according to claim 5, it is characterized in that spindle unit comprises fixed hub, central shaft and inner pedestal, adjustable seat board right-hand member is fixed with fixed hub, the left part of central shaft is fixedly mounted in fixed hub by holding screw, the right-hand member of axle cover is mounted by means of screws with inner pedestal, and the right part of central shaft is arranged in inner pedestal and can rotates.

10. soil-covered drum according to claim 6, it is characterized in that spindle unit comprises fixed hub, central shaft and inner pedestal, adjustable seat board right-hand member is fixed with fixed hub, the left part of central shaft is fixedly mounted in fixed hub by holding screw, the right-hand member of axle cover is mounted by means of screws with inner pedestal, and the right part of central shaft is arranged in inner pedestal and can rotates.

11. according to the soil-covered drum described in claim 1 or 2 or 3, it is characterized in that soil covering barrel device comprises left side ring, left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber middle part of left side ring by lacing wire or disc, on the right part inwall of left side ring, be fixed with the left muscle that connects, the left right part outside that connects muscle is fixed with left-hand cylinder body, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, and tire circle left side is protruded right cylindrical shell outside and formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; The left part outside of left-hand cylinder body is fixed with the left ring cylinder that can regulate position, left and right by lock screw, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, between left side ring and left ring cylinder, forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left.

12. soil-covered drums according to claim 4, is characterized in that soil covering barrel device comprises left side ring, left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber middle part of left side ring by lacing wire or disc, on the right part inwall of left side ring, be fixed with the left muscle that connects, the left right part outside that connects muscle is fixed with left-hand cylinder body, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, and tire circle left side is protruded right cylindrical shell outside and formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; The left part outside of left-hand cylinder body is fixed with the left ring cylinder that can regulate position, left and right by lock screw, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, between left side ring and left ring cylinder, forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left.

13. soil-covered drums according to claim 5, is characterized in that soil covering barrel device comprises left side ring, left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber middle part of left side ring by lacing wire or disc, on the right part inwall of left side ring, be fixed with the left muscle that connects, the left right part outside that connects muscle is fixed with left-hand cylinder body, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, and tire circle left side is protruded right cylindrical shell outside and formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; The left part outside of left-hand cylinder body is fixed with the left ring cylinder that can regulate position, left and right by lock screw, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, between left side ring and left ring cylinder, forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left.

14. soil-covered drums according to claim 6, is characterized in that soil covering barrel device comprises left side ring, left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber middle part of left side ring by lacing wire or disc, on the right part inwall of left side ring, be fixed with the left muscle that connects, the left right part outside that connects muscle is fixed with left-hand cylinder body, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, and tire circle left side is protruded right cylindrical shell outside and formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; The left part outside of left-hand cylinder body is fixed with the left ring cylinder that can regulate position, left and right by lock screw, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, between left side ring and left ring cylinder, forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left.

15. soil-covered drums according to claim 7, is characterized in that soil covering barrel device comprises left side ring, left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber middle part of left side ring by lacing wire or disc, on the right part inwall of left side ring, be fixed with the left muscle that connects, the left right part outside that connects muscle is fixed with left-hand cylinder body, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, and tire circle left side is protruded right cylindrical shell outside and formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; The left part outside of left-hand cylinder body is fixed with the left ring cylinder that can regulate position, left and right by lock screw, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, between left side ring and left ring cylinder, forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left.

16. soil-covered drums according to claim 8, is characterized in that soil covering barrel device comprises left side ring, left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber middle part of left side ring by lacing wire or disc, on the right part inwall of left side ring, be fixed with the left muscle that connects, the left right part outside that connects muscle is fixed with left-hand cylinder body, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, and tire circle left side is protruded right cylindrical shell outside and formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; The left part outside of left-hand cylinder body is fixed with the left ring cylinder that can regulate position, left and right by lock screw, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, between left side ring and left ring cylinder, forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left.

17. soil-covered drums according to claim 9, is characterized in that soil covering barrel device comprises left side ring, left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber middle part of left side ring by lacing wire or disc, on the right part inwall of left side ring, be fixed with the left muscle that connects, the left right part outside that connects muscle is fixed with left-hand cylinder body, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, and tire circle left side is protruded right cylindrical shell outside and formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; The left part outside of left-hand cylinder body is fixed with the left ring cylinder that can regulate position, left and right by lock screw, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, between left side ring and left ring cylinder, forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left.

18. soil-covered drums according to claim 10, is characterized in that soil covering barrel device comprises left side ring, left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber middle part of left side ring by lacing wire or disc, on the right part inwall of left side ring, be fixed with the left muscle that connects, the left right part outside that connects muscle is fixed with left-hand cylinder body, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, and tire circle left side is protruded right cylindrical shell outside and formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; The left part outside of left-hand cylinder body is fixed with the left ring cylinder that can regulate position, left and right by lock screw, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, between left side ring and left ring cylinder, forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left.

19. according to the soil-covered drum described in claim 1 or 2 or 3, it is characterized in that soil covering barrel device comprises left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber left end middle part of left-hand cylinder body by lacing wire or disc, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, tire circle left side is protruded right cylindrical shell outside and is formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; In the frame of left-hand cylinder body left, be provided with the native device of gear, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, keeps off between native device and left-hand cylinder body left end and forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left; Keep off native device and comprise baffle plate mount pad, baffle plate connecting rod and breast boards, the front end bottom that frame plate is installed is fixed with baffle plate mount pad, baffle plate connecting rod left part is fixedly mounted in baffle plate mount pad by lock screw, baffle plate connecting rod right-hand member is fixed with breast boards, between the right flank of breast boards and the left side of left-hand cylinder body, forms the first earthing gap.

20. soil-covered drums according to claim 4, is characterized in that soil covering barrel device comprises left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber left end middle part of left-hand cylinder body by lacing wire or disc, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, tire circle left side is protruded right cylindrical shell outside and is formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; In the frame of left-hand cylinder body left, be provided with the native device of gear, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, keeps off between native device and left-hand cylinder body left end and forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left; Keep off native device and comprise baffle plate mount pad, baffle plate connecting rod and breast boards, the front end bottom that frame plate is installed is fixed with baffle plate mount pad, baffle plate connecting rod left part is fixedly mounted in baffle plate mount pad by lock screw, baffle plate connecting rod right-hand member is fixed with breast boards, between the right flank of breast boards and the left side of left-hand cylinder body, forms the first earthing gap.

21. soil-covered drums according to claim 5, is characterized in that soil covering barrel device comprises left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber left end middle part of left-hand cylinder body by lacing wire or disc, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, tire circle left side is protruded right cylindrical shell outside and is formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; In the frame of left-hand cylinder body left, be provided with the native device of gear, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, keeps off between native device and left-hand cylinder body left end and forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left; Keep off native device and comprise baffle plate mount pad, baffle plate connecting rod and breast boards, the front end bottom that frame plate is installed is fixed with baffle plate mount pad, baffle plate connecting rod left part is fixedly mounted in baffle plate mount pad by lock screw, baffle plate connecting rod right-hand member is fixed with breast boards, between the right flank of breast boards and the left side of left-hand cylinder body, forms the first earthing gap.

22. soil-covered drums according to claim 6, is characterized in that soil covering barrel device comprises left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber left end middle part of left-hand cylinder body by lacing wire or disc, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, tire circle left side is protruded right cylindrical shell outside and is formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; In the frame of left-hand cylinder body left, be provided with the native device of gear, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, keeps off between native device and left-hand cylinder body left end and forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left; Keep off native device and comprise baffle plate mount pad, baffle plate connecting rod and breast boards, the front end bottom that frame plate is installed is fixed with baffle plate mount pad, baffle plate connecting rod left part is fixedly mounted in baffle plate mount pad by lock screw, baffle plate connecting rod right-hand member is fixed with breast boards, between the right flank of breast boards and the left side of left-hand cylinder body, forms the first earthing gap.

23. soil-covered drums according to claim 7, is characterized in that soil covering barrel device comprises left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber left end middle part of left-hand cylinder body by lacing wire or disc, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, tire circle left side is protruded right cylindrical shell outside and is formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; In the frame of left-hand cylinder body left, be provided with the native device of gear, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, keeps off between native device and left-hand cylinder body left end and forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left; Keep off native device and comprise baffle plate mount pad, baffle plate connecting rod and breast boards, the front end bottom that frame plate is installed is fixed with baffle plate mount pad, baffle plate connecting rod left part is fixedly mounted in baffle plate mount pad by lock screw, baffle plate connecting rod right-hand member is fixed with breast boards, between the right flank of breast boards and the left side of left-hand cylinder body, forms the first earthing gap.

24. soil-covered drums according to claim 8, is characterized in that soil covering barrel device comprises left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber left end middle part of left-hand cylinder body by lacing wire or disc, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, tire circle left side is protruded right cylindrical shell outside and is formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; In the frame of left-hand cylinder body left, be provided with the native device of gear, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, keeps off between native device and left-hand cylinder body left end and forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left; Keep off native device and comprise baffle plate mount pad, baffle plate connecting rod and breast boards, the front end bottom that frame plate is installed is fixed with baffle plate mount pad, baffle plate connecting rod left part is fixedly mounted in baffle plate mount pad by lock screw, baffle plate connecting rod right-hand member is fixed with breast boards, between the right flank of breast boards and the left side of left-hand cylinder body, forms the first earthing gap.

25. soil-covered drums according to claim 9, is characterized in that soil covering barrel device comprises left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber left end middle part of left-hand cylinder body by lacing wire or disc, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, tire circle left side is protruded right cylindrical shell outside and is formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; In the frame of left-hand cylinder body left, be provided with the native device of gear, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, keeps off between native device and left-hand cylinder body left end and forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left; Keep off native device and comprise baffle plate mount pad, baffle plate connecting rod and breast boards, the front end bottom that frame plate is installed is fixed with baffle plate mount pad, baffle plate connecting rod left part is fixedly mounted in baffle plate mount pad by lock screw, baffle plate connecting rod right-hand member is fixed with breast boards, between the right flank of breast boards and the left side of left-hand cylinder body, forms the first earthing gap.

26. soil-covered drums according to claim 10, is characterized in that soil covering barrel device comprises left-hand cylinder body, right cylindrical shell and tire circle; Axle cover is fixed on the inner chamber left end middle part of left-hand cylinder body by lacing wire or disc, on the right part inwall of left-hand cylinder body, be fixed with the right muscle that connects, the right right part outside that connects muscle is fixed with right cylindrical shell, the left part outside of right cylindrical shell is fixed with tire circle, tire circle left side is protruded right cylindrical shell outside and is formed limited ring dais, is distributed with projection or tire on the lateral surface around tire circle; In the frame of left-hand cylinder body left, be provided with the native device of gear, the right part outside of left-hand cylinder body is fixed with by lock screw and is fixed with the middle ring cylinder that can regulate position, left and right, and the left part outside of right cylindrical shell is fixed with by lock screw and is fixed with the right ring cylinder that can regulate position, left and right; Earthing gap comprises the first earthing gap and the second earthing gap, keeps off between native device and left-hand cylinder body left end and forms the first earthing gap, between middle ring cylinder and right ring cylinder, forms the second earthing gap; On the inwall of left-hand cylinder body and right cylindrical shell, be fixed with in the shape of a spiral and can carry the conveying blade of earth in tire circle left; Keep off native device and comprise baffle plate mount pad, baffle plate connecting rod and breast boards, the front end bottom that frame plate is installed is fixed with baffle plate mount pad, baffle plate connecting rod left part is fixedly mounted in baffle plate mount pad by lock screw, baffle plate connecting rod right-hand member is fixed with breast boards, between the right flank of breast boards and the left side of left-hand cylinder body, forms the first earthing gap.

27. according to the soil-covered drum described in claim 2 or 3, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

28. soil-covered drums according to claim 4, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

29. soil-covered drums according to claim 5, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

30. soil-covered drums according to claim 6, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

31. soil-covered drums according to claim 7, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

32. soil-covered drums according to claim 8, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

33. soil-covered drums according to claim 9, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

34. soil-covered drums according to claim 10, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

35. soil-covered drums according to claim 11, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

36. soil-covered drums according to claim 12, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

37. soil-covered drums according to claim 13, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

38. soil-covered drums according to claim 14, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

39. soil-covered drums according to claim 15, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

40. soil-covered drums according to claim 16, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

41. soil-covered drums according to claim 17, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

42. soil-covered drums according to claim 18, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

43. soil-covered drums according to claim 19, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

44. soil-covered drums according to claim 20, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

45. soil-covered drums according to claim 21, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

46. soil-covered drums according to claim 22, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

47. soil-covered drums according to claim 23, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

48. soil-covered drums according to claim 24, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

49. soil-covered drums according to claim 25, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.

50. soil-covered drums according to claim 26, it is characterized in that lower end, left hack lever rear portion is fixed with left back montant, lower end, right hack lever rear portion is fixed with right back montant, between left back montant lower end and right back montant lower end, be fixed with rear transverse rod, on the rear transverse rod of corresponding each earthing gap position, be separately installed with press wheel.