CN2080742U

CN2080742U - Amphibious shallow ploughing clod-crusher

Info

Publication number: CN2080742U
Application number: CN 90217262
Authority: CN
Inventors: 邓忠清; 孙龙贵
Original assignee: PANNAN FARM TOOLS FACTORY FENGXIAN SHANGHAI
Current assignee: PANNAN FARM TOOLS FACTORY FENGXIAN SHANGHAI
Priority date: 1990-07-31
Filing date: 1990-07-31
Publication date: 1991-07-17

Abstract

The utility model discloses an amphibious shallow ploughing clod-crusher, which is the improvement of an original paddy field driving harrow. A seven-stop toothed plate is arranged between rolling wheel plates, each stop is provided with four back rakes which are uniformly arranged on the same circumference of a raking roller, and each back rake forms an angle of 45 DEG with the radial plane surface of the shaft thereof. Each toothed plate is provided with three rows of blade teeth which form an intersection with the long sides in the same angle direction and are arranged in the equal intervals. Each row of blade teeth of the left-right three stops of the seven-stop toothed plates except the middle stop are arranged in the bilateral symmetry, and the front and the back rows of blade teeth of each stop are in cross arrangement and the intervals are equal; so in the wheat spreading, shallow ploughing, stubble breaking, and earth backing of the rice stubble fields and the upland fields, the earth breaking rate is high, the performance of the flatness of the earth surface, the earth breaking, and the slurry generating is good, the efficiency is high, the labor and the cost are saved, the acre yield is improved thereby.

Description

Amphibious shallow ploughing clod-crusher

The utility model relates to plow harrow class facility in the agricultural machinery, and particularly relevant a kind of whole field that both can be used for before the rice transplanting of paddy field can be used for the dual-purpose shallow plowing hack of the floods and droughts machinery that rice stubble field and dry land are broadcasted sowing the shallow winter breaking earth backing behind the wheat again.

At present, paddy field driving harrow is generally adopted in the paddy field rice transplanting, and this rake has good effect to paddy-field-working.But because the relation of geographical conditions, need plough shallowly in rice stubble field or dry land and plant a wheat in many provinces and cities and area, and paddy field driving harrow is not suitable for this application, and for example its power transmission shaft hanger bracket rake rolls and waits other serious damage can occur by parts, even fracture.Yet adopt rice stubble field commonly used or the dry land farming is cultivated with rotary cultivator and exist tilling depth dark, clod is big, easily cause mashed plough mashed kind, emerge unevenly, influence problems such as output.

The purpose of this utility model is to have improved rake and roll structure and make it to be fit to tillage operation before the rice transplanting of paddy field in order to provide a kind of, can be fit to the dual-purpose shallow plowing pulverizer of floods and droughts that rice stubble field or dry land are broadcasted sowing the shallow winter breaking earth backing operation behind the wheat again.

To achieve these goals, its measure is that pulverizer of the present utility model is comprising the driving member of paddy field driving harrow, hanger bracket, gearbox, the side gear-box, case planker and rake roll device, wherein be respectively equipped with the mechanism that is connected with its transmission mechanism with tractor frame on hanger bracket and the driving member, rake rolls device and then contains the rake roller bearing, be installed in the roller sheet on the rake roller bearing at interval, be installed on tooth plate shelves of forming by tooth plate in each interval between the roller sheet and the bases such as cutter tooth that are vertically fixed on the tooth plate and redesign, make the tooth plate shelves that are arranged between the roller sheet have seven grades, every grade has four of tooth plates, they are configured in rake in uniform way and roll on the same circumference and its outer face and the identical back rake angle of sagittal plane formation of harrowing roller bearing, this back rake angle can be selected from any angle among 31 °-45 °, and on every tooth plate three row's cutters tooth that intersect arrangement and uniformly-spaced arrange with same angle direction and its long limit are housed, in seven grades of tooth plates, except middle one grade, the cutter tooth of respectively arranging on all the other left and right sides third gear tooth plates all adopts left-right symmetry to arrange, every grade of tooth plate front and rear row cutter tooth then adopts the left and right directions cross arrangement, three one rows' cutter tooth can be chosen from 55 °-65 ° angular range with the crossing angle of cut in the long limit of same angle direction and its on every tooth plate, be preferably 60 °, the spacing distance of one row between the cutter tooth is between the 80-100 millimeter, and cutter tooth on the tooth plate highly is being arbitrary size between the 35-50 millimeter.

During the operation of the dual-purpose shallow plowing pulverizer of above-mentioned floods and droughts, general technical level and paddy field driving harrow are equally matched, or slightly improve, but compare with former rotovator, the shallow winter breaking earth backing performance of use after wheat is broadcasted sowing in the rice stubble field is better than rotovator greatly, and at garrulous soil rate, the grading degree, a hack and a slurry performance all improve a lot, in addition, shallow plowing pulverizer of the present utility model also has rational in infrastructure, easy to operate, long service life, the efficient height can be saved characteristics such as labour and activity duration and reduction manufacturing cost.

Below with reference to accompanying drawing shallow plowing pulverizer of the present utility model is described in detail:

Fig. 1 is the side schematic view of shallow plowing pulverizer of the present utility model;

Fig. 2 is that rake rolls device transmission schematic diagram in the shallow plowing pulverizer;

Fig. 3 is the front view that rake rolls device in the shallow plowing pulverizer;

Fig. 4 is the end view of Fig. 3;

Fig. 5 is that rake rolls cutter tooth arrangement expanded view in the device among Fig. 3;

Fig. 6 is a cutter tooth assembly structure diagrammatic sketch on tooth plate among Fig. 3.

Referring to Fig. 1,2 and 4, the dual-purpose shallow plowing pulverizer of floods and droughts of the present utility model comprises driving member, and driving member adopts universal joint 1 in this case, hanger bracket 2, and gearbox 3, side gear-box 4, case planker 5 and rake roll device 6.Gearbox 3 comprises a pair of roller gear Z ₁, Z ₂With a pair of conical gear Z ₃, Z ₄, the former is for transmission usefulness, and the latter uses for changing transmission direction.Side gear-box 4 is by four gear Z ₅, Z ₆, Z ₇And Z ₈And power transmission shaft is formed.Universal joint 1 is connected (not drawing among the figure) by the one end with tractor motive power output shaft, the other end and band gear Z ₁The output shaft I connect.The output shaft III of gearbox is connected with the power shaft of side gear-box.The output shaft III of gearbox in the utility model is in order to be fit to rice stubble field and dry land farming, so that transmit bigger power, so adopt the bigger solid shafting of mechanism's intensity.The side gear-box through its V with roller bearing is connected, thereby transmission of power is rolled device 6 to rake.

Referring to Fig. 3,5 and 6 in the utility model, harrow roll device 6 by the rake roller bearing 7, roller sheet 8, compositions such as tooth plate 9 and cutter tooth 10.Wherein, roller sheet 8 is an annular, and one has 8 compartment of terrains is installed on the rake roller bearing 7.Tooth plate 9 then is installed in the interval of roller sheet 8, and general every interval can be described as one grade, has 7 grades, adorns four tooth plates 9 in every grade.Tooth plate 9 is L-shaped, fixedly is assemblied in the front portion that rake rolls the roller sheet 8 of device circumference uniform distribution, its wide plate portion 11 hypsokinesis in the same direction, and it is preferably 45 ° with the back rake angle of the sagittal plane formation of rake roller bearing.Three cutters tooth 10 that equate with same angle direction inclination and spacing distance are housed on every tooth plate 9.In seven grades of tooth plates, the installation position of adjacent two grades of tooth plates 9 is with middle bay, and promptly the 4th grade increases by 30 ° differential seat angle step by step for the boundary, so constitute except that middle bay, all the other left and right sides third gear can be installed cutter tooth symmetrically.In the same in addition shelves, the front and rear row cutter tooth 10 of tooth plate 9 selects for use left-right symmetry to arrange.Like this, rake rolls device per 30 ° rare two row's cutters tooth that turn to when farming and cuts soil and the effect of throwing soil.In addition, in the utility model, cutter tooth 10 the bests can be made 40 millimeters high, length is at 80 millimeters, and the spacing distance between the cutter tooth is selected 90 millimeters for use, can guarantee in farming, to reach the preferred degree of depth of stubble-cleaning earth backing institute, and reach fine chopping soil block and make again in the non-caked interval between cutter tooth of soil block.

At the utility model hanger bracket 2 and case planker 5 is servicing unit, and wherein, hanger bracket 2 is that 3 of hydraulic lift mechanism formations rod-type and tractor are connected.Pulverizer is regulated by the height of hanger bracket 2, can make row's cutter tooth height overhead reach consistent.Cooperate the angle adjustment control of universal joint 1 to arrange rising and falling of cutter tooth and guarantee operation flatly simultaneously.

Case planker 5 comprises case 12 and planker 13.One and case 12 hinge joints of planker 13, the other end is by the adjustable upper end that is fixed on gearbox 3 of chain cable.The effect of case is that shelves are lived soil block, protection tractor driver's safety, and the soil block through turning over rake is further crashed.Planker 13 gently is pressed on the field, ground of wanting operation as a kind of plate of weeding and loosen the soil, and has the effect that smooth soil block was pulverized and made to secondary.

According to shallow plowing pulverizer of the present utility model, except foregoing advantage, also because of using seven grades of tooth plates and corresponding transfer motion power confidential lower than rotary tillage again, so improved operating efficiency and saved the energy.This especially machine uses the shallow winter breaking earth backing after rice stubble ground and dry land are spread wheat also can be because of hack is thin, works that to starch performance good, and the seedlings of cereal crops turn green soon, takes root prosperously, and it is many to tiller, thereby effective fringe increase etc. improve per mu yields such as wheat effectively.

The dual-purpose shallow plowing pulverizer of floods and droughts of the present utility model is particularly suitable for the most of existing water in north and south and ploughs, and has the dry farming working area to use again.And the farming width also can be according to the geographical conditions change, and also 3-5 shelves or 8-10 shelves of the shelves number of tooth plate for example are so that enlarge range of application.

Claims

1, the dual-purpose shallow plowing pulverizer of a kind of floods and droughts comprises universal joint, hanger bracket, gearbox, the side gear-box, case carriage device and rake roll device, wherein be respectively equipped with the mechanism that is connected with transmission mechanism with tractor frame on hanger bracket and the universal joint, rake rolls device and then contains the rake roller bearing, be installed in the roller sheet on the rake roller bearing at interval, be installed in tooth plate shelves that constitute by tooth plate in each interval between the roller sheet and the cutter tooth that is vertically fixed on the tooth plate, the tooth plate shelves that it is characterized in that being arranged between the roller sheet have seven grades, every grade has four of tooth plates, they are configured in rake in uniform way and roll on the same circumference and its outer face and the identical back rake angle of sagittal plane formation of harrowing roller bearing, this back rake angle can be selected from any angle among 31 °-45 °, and on every tooth plate three row's cutters tooth that intersect arrangement and uniformly-spaced arrange with same angle direction and its long limit are housed, in seven grades of tooth plates, except middle one grade, the cutter tooth of respectively arranging on all the other left and right sides third gear tooth plates all adopts left-right symmetry to arrange, the cutter tooth of every grade of tooth plate front and rear row then adopts the left and right directions cross arrangement, three one row's cutters tooth can be chosen from 55 °-65 ° angular range with the crossing angle of cut in the long limit of same angle direction and its on every tooth plate, spacing distance is between the 80-100 millimeter between one row's cutter tooth, and cutter tooth highly is the arbitrary size in the 35-45 millimeter on tooth plate.

2, shallow plowing pulverizer according to claim 1 is characterized in that the angle of cut the best on described three one row's cutters tooth and its long limit is 60 °, and spacing distance the best is 90 millimeters between described row's cutter tooth.

3, shallow plowing pulverizer according to claim 1 and 2, the back rake angle the best that it is characterized in that described tooth plate is 45 °.

4, shallow plowing pulverizer according to claim 3 is characterized in that described cutter tooth height the best on tooth plate is 40 millimeters.