CN105325075A - Rotary cultivator - Google Patents
Rotary cultivator Download PDFInfo
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- CN105325075A CN105325075A CN201510892651.0A CN201510892651A CN105325075A CN 105325075 A CN105325075 A CN 105325075A CN 201510892651 A CN201510892651 A CN 201510892651A CN 105325075 A CN105325075 A CN 105325075A
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- Prior art keywords
- frame
- rotary blade
- knife rest
- rotovator
- wheel support
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/02—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
- A01B33/021—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel with rigid tools
- A01B33/024—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel with rigid tools with disk-like tools
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/10—Structural or functional features of the tools ; Theoretical aspects of the cutting action
- A01B33/103—Structural or functional features of the tools ; Theoretical aspects of the cutting action the rotating shaft being oriented horizontally
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a rotary cultivator which comprises a rack, rotary blades, blade shafts, hanging blade rests, a supporting and pulling rack and rolling wheels. The rotary blades, the blade shafts, the hanging blade rests, the supporting and pulling rack and the rolling wheels are arranged on the rack. The rotary blades are fixed to the blade shafts and arranged in the length direction of the blade shafts at intervals. The rotary cultivator is characterized in that the blade shafts are rotatably hung on the hanging blade rests through bearings; the two hanging blade rests are fixedly arranged on the left side and the right side of the rack, and the two hanging blade rests located in the same lateral direction are distributed in a splayed mode. The overall manufacturing cost of the rotary cultivator can be greatly reduced, the rotary cultivator is more suitable for being widely used and popularized in rural areas, especially the rural areas which are not rich, and the earnings of farmers are increased.
Description
Technical field
The invention belongs to cultivation machinery field, be specifically related to a kind of rotovator.
Background technology
Rotovator completes cultivated, to harrow operation cultivation machinery.Because of its have hack ability strong, plough after the features such as earth's surface is smooth, and to be widely used; The root stubble being embedded in below earth's surface can be shredded simultaneously, be convenient to sower operation, well plant bed for later stage sowing provides.
Rotovator majority in currently available technology take rotary cutter tooth as the driving soil cultivating machine of workpiece, such as notification number is ridging rotovator disclosed in the patent of CN203251582U, this ridging rotovator comprises frame main body, be arranged on the reduction box of frame main body forward, central part, be symmetricly set on the speed-changing gear box of frame main body both sides, the two ends of reduction box are connected to by universal joint, two power transmission shafts be simultaneously connected with each speed-changing gear box, be arranged on the rotary tillage shaft between two speed-changing gear boxs below frame main body, the tie ridger of frame main body both sides is connected to by support arm, uniformly on described rotary tillage shaft be provided with multiple rotary tillage dish, the front end of described frame main body is provided with suspension and lower suspension.
Above-mentioned ridging rotovator needs to be connected can to use with corresponding engine, like this, must cause in the structure of this ridging rotovator, needing to possess corresponding reduction box, speed-changing gear box and power transmission shaft, make self structure comparatively complicated, and cost is higher, the use burden of peasant household can be increased.
Based on this, applicant considers that design is a kind of rational in infrastructure, the rotovator that cost is lower.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical problem to be solved by this invention is: how to provide a kind of rational in infrastructure, the rotovator that cost is lower.
In order to solve the problems of the technologies described above, present invention employs following technical scheme:
Rotovator, comprises frame, and be arranged on rotary blade in described frame, cutter shaft, suspension knife rest, holder are tried to stop people from fighting each other, roller; Described rotary blade for being fixed on described cutter shaft, and is the spaced polylith of length direction along described cutter shaft;
Described cutter shaft is rotatably hung by bearing and is connected on described suspension knife rest;
Described suspension knife rest is two of the left and right sides being fixedly installed on described frame, and be positioned at the same side to two described suspension knife rests in " eight " shape distribution.
The structure of above-mentioned rotovator, be two of the left and right sides being fixedly installed on described frame because hanging knife rest, and be positioned at the same side to the distribution (cutter shaft be different from completely on rotovator of the prior art is basically perpendicular to the mode of rotovator direct of travel) in " eight " shape of two described suspension knife rests; So, soil is under the drive of the active force that the resistance of rotary blade can be advanced forward at this rotovator, this resistance is changed into the power that rotary blade can be made to rotate, thus make rotovator of the present invention not having in engine-driven situation, also rotary tillage can be realized by autorotation, pineization soil, thus make the soil after ploughing and weeding be beneficial to the growth of sowing.Visible, the structural design of above-mentioned rotovator, can when economization engine and corresponding supporting structure thereof, rotary blade still can be made to rotate cultivated soil, this makes it possible to the cost reducing rotovator entirety greatly, be more suitable for promoting the use of in rural area, especially more not rich rural area uses, and improves the income of peasant household.
As preferably, described rotary blade entirety in umbrella-shaped structure, and has the through hole running through connection for cutter shaft in the middle part of described rotary blade, the circumferential edge of described rotary blade is arranged at intervals with multiple breach.
Above-mentioned rotary blade is different from the cutterhead that in prior art, rotary blade the adopts modular construction in conjunction with blade (if notification number is CN104938060A, name is called shown in the patent application document of rotavator knife roller), but by adopting integrated umbrella-shaped structure, and make edge form the tip of multiple mellow tilth by multiple breach that the edge uniform intervals of umbrella-shaped structure circumference is arranged, thus while this rotary blade rotates, farming can be carried out to soil and make its pineization.And above-mentioned integrated rotary blade is also convenient to manufacture more, its umbrella-shaped structure can make circumferential edge curved, thus can increase have larger contact area between soil, improves the efficiency of mellow tilth.In addition, above-mentioned integrated rotary blade entirety, in umbrella-shaped structure, so, makes the root stubble in soil more be difficult to be wound on rotary blade, thus can more efficientlyly prevent root stubble to be wound around.
As preferably, described frame includes one and is horizontally disposed with and the overall main frame in " work " font; Described frame also includes two connecting rods, between the left side that the both ends on described two connecting rod length directions are detachable is connected to described main frame and the both ends on right side, and makes the frame structure of described frame entirety in " saying " font.
Adopt the rack construction of said structure comparatively simple, be not only convenient to production and processing and make, and also can ensure that the overall weight of the frame after obtaining is also lighter.Said structure can also realize rapid-assembling and dismounting, thus assembling and use all comparatively convenient.
As preferably, described holder is tried to stop people from fighting each other overall T-shaped and be made up of vertical pole and cross bar, one end of described vertical pole is vertical with the middle part of described cross bar to be fixed together, and the other end of described vertical pole is that described cross bar is hinged in described frame at the two ends of its length direction for being connected with tractor.
Above-mentioned holder overall structure of trying to stop people from fighting each other is comparatively simple, and be hinged on the structure in described frame by the two ends of the length direction of cross bar in its structure, can adapt to better be in the state of pitching when tractor is advanced on the soil of field, and pulling force tractor can advanced carries out transmitting through holding in the palm to try to stop people from fighting each other and pulls rotovator steadily to advance and carry out farming continually and steadily.
As preferably, above-mentioned rotovator also comprises rolling wheel support, and described rolling wheel support entirety is in H type, and the top of described rolling wheel support has two links, and described two links are hinged and connected to the lower surface of the leading portion of two connecting rods of described frame; The bottom of described rolling wheel support is rotatably connected by bearing and described roller; Also comprise the vibrationproof supporting construction arranged between described frame and described rolling wheel support.
Above-mentioned rollers support entirety, in H type structure, can make self structure simplify and while manufacture of being more convenient for, ensure the structural strength needed for rolling wheel support; Be hinged and connected to the lower surface of the leading portion of two connecting rods in frame by the top of this rolling wheel support simultaneously, and be provided with vibrationproof supporting construction between described frame and described rolling wheel support, so, not only being convenient to said structure is not only convenient to assembly connection between rolling wheel support and frame, can also slow down the excessive vibration occurred between roller and road surface.
As preferably, it is overall for be obliquely installed and lower end is the structure of the front side away from described frame that described vibrationproof supporting construction comprises described rolling wheel support; Described vibrationproof supporting construction also comprises and to be arranged between described rolling wheel support and described frame and to be in the elastic component of compressive state.
It is overall for being obliquely installed and making lower end away from the structure of the front side of described frame that above-mentioned vibrationproof supporting construction comprises described rolling wheel support, so, rolling wheel support and the tire be arranged on rolling wheel support can reserve for the front end of frame the space arranging and hang knife rest as far as possible, therefore the design of space structure can be made more reasonable.Simultaneously, to be arranged between described rolling wheel support and described frame when vibrationproof supporting construction also comprises and to be in the elastic component of compressive state, so, this elastic component just can slow down the shake of roller in traveling process, thus frame can be made overall more steady in traveling process.
As preferably, above-mentioned rotovator also comprises rotary blade arrangement, described rotary blade arrangement comprise spherical concave surface on the rotary blade on front side of contiguous described frame towards from away from the spherical concave surface on the rotary blade on front side of described frame towards different.
Adopt above-mentioned rotary blade arrangement, because of the spherical concave surface on the rotary blade on front side of described frame contiguous in its structure towards from away from the spherical concave surface on the rotary blade on front side of described frame towards different, so, the rotary blade on front side and rear side can be made in frame to cultivate track more staggered, can better farming to loosen the soil effect.
As preferably, above-mentioned rotovator also comprises holder and to try to stop people from fighting each other bounce-proof vibrational structure; Described holder bounce-proof vibrational structure of trying to stop people from fighting each other comprises the elastic reset structure between upper surface and the front side upper surface middle part of described frame being arranged on described vertical pole back segment, and described elastic reset structure apply downward elastic force can to described vertical pole back segment.
Arranging above-mentioned holder tries to stop people from fighting each other after bounce-proof vibrational structure, the rear end that Yin Tuo tries to stop people from fighting each other is the lower end be connected through the hinge on front side of described frame, so, namely holder is tried to stop people from fighting each other can there is the situation of jolting at adaptation tractor in traveling process, and after above-mentioned elastic reset structure is set, apply downward elastic force just can to described vertical pole back segment, thus holder be tried to stop people from fighting each other can be in horizontal as far as possible, like this pulling force of advancing of tractor better be passed to rotovator.
As preferably, above-mentioned rotovator also comprises the syndeton hanging knife rest and frame; Described syndeton comprises the structure that described suspension knife rest entirety is strip, one end that described syndeton also comprises described suspension knife rest is be hinged on the longeron of described main frame of described frame, and the other end is that level runs through and the position that is connected with described connecting rod of spacing described main frame in described frame.
In the syndeton of above-mentioned suspension knife rest and frame, adopt the suspension knife rest of strip, described suspending-knife one end is hinged on the longeron of described main frame of described frame, the other end runs through and the structure of position that is connected with described connecting rod of spacing described main frame in described frame in level, the while of frame can being ensured and hangs due syndeton intensity between knife rest, this syndeton entirety can be made to simplify the most, so not only be beneficial to large-scale production manufacture, be also convenient to efficiently assemble suspension knife rest and frame.
As preferably, above-mentioned rotovator includes for cutter shaft being hung the connector being connected to and hanging knife rest; Described connector comprises the vertical block that one piece of middle part on it is vertical has kink, the upper end of described vertical block is vertically fixedly connected with one piece of horizontal connecting plate for being connected with the lower surface hanging knife rest, the lower end of described vertical block is formed with that Open Side Down and the groove of U-shaped profile, and the length direction of described groove is consistent with the width of described vertical block; The cell wall of described groove also vertically runs through the connecting hole being provided with and can running through for latch; Described connector also comprises a cylindric bearing holder (housing, cover), the outer surface of described bearing holder (housing, cover) is vertically fixedly connected with one piece of grafting block that can be plugged in described groove, described grafting block to be inserted in described groove and described grafting block has the perforation corresponding with described connecting hole, and described grafting block and described groove are by the detachable connection of connecting bolt.
The above-mentioned connector for cutter shaft suspension being connected to suspension knife rest comprises the vertical block that one piece of middle part on it is vertical has kink, and this kink can strengthen the structural strength of this vertical block like this.The lower end of this vertical block is provided with above-mentioned groove, and this groove can be used in plugging with the grafting block on bearing holder (housing, cover) and being fixed together finally by bolt.Be connected between above-mentioned bearing holder (housing, cover) and vertical block also comparatively simple, it is also comparatively convenient to couple together, therefore can reduce assembly difficulty rotovator hung between knife rest and cutter shaft, improves efficiency of assembling.
Accompanying drawing explanation
Fig. 1 is the perspective view of rotovator of the present invention.
Fig. 2 is the upward view of rotovator of the present invention.
Fig. 3 is A place enlarged drawing in Fig. 1.
Fig. 4 is B place enlarged drawing in Fig. 1.
Be labeled as in figure:
1 rotary blade, 2 cutter shafts, 3 hang knife rest, 4 rollers;
Frame: 5 main frames, 6 connecting rods, 7 contiguous blocks;
Holder is tried to stop people from fighting each other: 8 vertical poles, 9 cross bars, 10 bracing pieces;
11 rolling wheel supports, 12 strengthen fin, 13 elastic components;
14 sleeves, 15 guide posts;
16 vertical blocks, 17 horizontal connecting plates, 18 bearing holder (housing, cover)s, 19 ribs blocks.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.Wherein, adopt the exemplary term such as such as upper and lower, left and right for description, object is to help reader understanding, and is not intended to limit.
During concrete enforcement: as shown in Figures 1 to 4, a kind of rotovator, comprises frame, and be arranged on rotary blade 1 in described frame, cutter shaft 2, hang knife rest 3, holder is tried to stop people from fighting each other, roller 4;
Described rotary blade 1 for being fixed on described cutter shaft 2, and is the spaced polylith of length direction along described cutter shaft 2;
Described cutter shaft 2 is rotatably hung by bearing and is connected on described suspension knife rest 3;
Described suspension knife rest 3 for being fixedly installed on two of the left and right sides of described frame, and be positioned at the same side to two described suspension knife rests 3 distributions in " eight " shape.
The structure of above-mentioned rotovator, because hanging knife rest 3 for being fixedly installed on two of the left and right sides of described frame, and be positioned at the same side to two described suspension knife rests 3 distributions (cutter shaft 2 be different from completely on rotovator of the prior art is basically perpendicular to the mode of rotovator direct of travel) in " eight " shape; So, soil is under the drive of the active force that the resistance of rotary blade 1 can be advanced forward at this rotovator, this resistance is changed into the power that rotary blade 1 can be made to rotate, thus make rotovator of the present invention not having in engine-driven situation, also rotary tillage can be realized by autorotation, pineization soil, thus make the soil after ploughing and weeding be beneficial to the growth of sowing.Visible, the structural design of above-mentioned rotovator, can when economization engine and corresponding supporting structure thereof, rotary blade 1 still can be made to rotate cultivated soil, this makes it possible to the cost reducing rotovator entirety greatly, be more suitable for promoting the use of in rural area, especially more not rich rural area uses, and improves the income of peasant household.
In this embodiment, rotovator to be arranged side that described holder tries to stop people from fighting each other for front side, the side that rotovator is tried to stop people from fighting each other away from described holder is rear side.
During concrete enforcement, the above-mentioned two described suspension knife rests 3 being positioned at the same side can be comparatively small end in the side of contiguous described central rack, side away from described central rack is that " eight " shape distribution of larger end is (from overlooking direction, as illustrated in fig. 1 and 2), crossing situation can be there will not be like this by making the suspension knife rest 3 being positioned at the same side can infinitely stretch out with cutter shaft 2, therefore longer suspension knife rest 3 and cutter shaft 2 can be installed in frame, thus improve the soil erosion of single rotary tillage covering, improve rotary tillage efficiency; In addition, the above-mentioned two described suspension knife rests 3 being positioned at the same side can be also larger end in the side of contiguous described central rack, and the side away from described central rack is distribute (from overlooking direction, attached not shown) compared with " eight " shape of small end.
Wherein, described rotary blade 1 entirety in umbrella-shaped structure, and has the through hole running through connection for cutter shaft 2 in the middle part of described rotary blade 1, the circumferential edge of described rotary blade 1 is arranged at intervals with multiple breach.
Above-mentioned rotary blade 1 is different from the cutterhead that in prior art, rotary blade 1 the adopts modular construction in conjunction with blade (if notification number is CN104938060A, name is called shown in the patent application document of rotavator knife roller), but by adopting integrated umbrella-shaped structure, and make edge form the tip of multiple mellow tilth by multiple breach that the edge uniform intervals of umbrella-shaped structure circumference is arranged, thus while this rotary blade 1 rotates, farming can be carried out to soil and make its pineization.And above-mentioned integrated rotary blade 1 is also convenient to manufacture more, its umbrella-shaped structure can make circumferential edge curved, thus can increase have larger contact area between soil, improves the efficiency of mellow tilth.In addition, above-mentioned integrated rotary blade 1 entirety, in umbrella-shaped structure, so, makes the root stubble in soil more be difficult to be wound on rotary blade 1, thus can more efficientlyly prevent root stubble to be wound around.
Wherein, the shape of described breach is arc.
When the shape of above-mentioned breach is arc, so, when root stubble is plugged in breach, the easier breach along this arc skids off, and not easily clamping be wound on rotary blade 1, therefore there is better winding effect.
Wherein, described rotary blade 1 is obtained by stainless steel material.
So, rotary blade 1 not easily corrosion can be made, more durable in use.
Wherein, described frame includes one and is horizontally disposed with and the overall main frame 5 in " work " font; Described frame also includes two connecting rods 6, between the left side that the both ends on described two connecting rod 6 length directions are detachable is connected to described main frame 5 and the both ends on right side, and makes the frame structure of described frame entirety in " saying " font.
Adopt the rack construction of said structure comparatively simple, be not only convenient to production and processing and make, and also can ensure that the overall weight of the frame after obtaining is also lighter.Said structure can also realize rapid-assembling and dismounting, thus assembling and use all comparatively convenient.
Wherein, the detachable contiguous block 7 being connected with a block length bar shaped respectively between the upper surface of the upper surface of the end of described connecting rod 6 and the end of lower surface and corresponding described main frame 5 and lower surface.
The design of said structure, between the upper surface of the end of the upper surface of the end of connecting rod 6 and lower surface and corresponding described main frame 5 and two pieces of contiguous blocks 7 of lower surface can gap-forming one can for hanging the passage that knife rest 3 runs through, like this, can not only efficiency of assembling be improved, can also carry out spacing to suspension knife rest 3 by the two pieces of upper and lower contiguous blocks 7 forming above-mentioned passage.
Wherein, described main frame 5 and described connecting rod all adopt rectangular tube to obtain.
So, while the structure of frame entirety can be made lighter, better bending resistance, torsional property can be had again, frame can be made more durable in use.
Wherein, described holder is tried to stop people from fighting each other overall T-shaped and be made up of vertical pole 8 and cross bar 9, one end of described vertical pole 8 is vertical with the middle part of described cross bar 9 to be fixed together, and the other end of described vertical pole 8 is that described cross bar 9 is hinged in described frame at the two ends of its length direction for being connected with tractor.
Above-mentioned holder overall structure of trying to stop people from fighting each other is comparatively simple, and be hinged on the structure in described frame by the two ends of the length direction of cross bar 9 in its structure, can adapt to better be in the state of pitching when tractor is advanced on the soil of field, and pulling force tractor can advanced carries out transmitting through holding in the palm to try to stop people from fighting each other and pulls rotovator steadily to advance and carry out farming continually and steadily.
Wherein, the tie point described frame is hinged with described cross bar 9 is positioned at the lower surface of the front side of described frame.
Because the tie point that frame is hinged with described cross bar 9 is positioned at the lower surface of the front side of described frame, tractor is decomposed into is impelled frame pulling force forward by the try to stop people from fighting each other dilatory force that passes to frame of holder, and by the front side of frame to the downforce pressed down, so, this downforce can keep the suspension knife rest 3 in frame and rotary blade 1 thereof can press down and contact more closely with soil, thus improves farming dynamics and cultivating quality.
Wherein, oblique bracing piece 10 is fixedly connected with between the two ends of the length direction of described cross bar 9 and described vertical pole 8.
So namely, can further improve the structure with frame tie point place on cross bar 9, and hold in the palm overall structural strength of trying to stop people from fighting each other.
Wherein, above-mentioned rotovator also comprises rolling wheel support 11, and described rolling wheel support 11 entirety is in H type, and the top of described rolling wheel support 11 has two links, and described two links are hinged and connected to the lower surface of the leading portion of two connecting rods 6 of described frame; The bottom of described rolling wheel support 11 is rotatably connected by bearing and described roller 4; Also comprise the vibrationproof supporting construction arranged between described frame and described rolling wheel support 11.
Above-mentioned rollers support 11 entirety, in H type structure, can make self structure simplify and while manufacture of being more convenient for, ensure the structural strength needed for rolling wheel support 11; Be hinged and connected to the lower surface of the leading portion of two connecting rods 6 in frame by the top of this rolling wheel support 11 simultaneously, and be provided with vibrationproof supporting construction between described frame and described rolling wheel support 11, so, not only be convenient to said structure be not only convenient to, by assembly connection between rolling wheel support 11 and frame, the excessive vibration occurred between roller 4 and road surface can also be slowed down.
During enforcement, described vibrationproof supporting construction can adopt damper to realize.
Wherein, the described roller 4 be rotatably connected with the bottom of described rolling wheel support 11 is two of being set up in parallel, and two described rollers 4 are fixedly connected in a rotating shaft jointly, and described rotating shaft grafting is fixed in described bearing.
By the set-up mode of above-mentioned rollers 4, the stressed more balanced of each roller 4 can be made, and larger weight can be carried, this makes it possible to, in frame, longer suspension knife rest 3 is installed, thus the efficiency that raising ploughing and weeding is loosened the soil.
Wherein, the crossing junction on described rolling wheel support 11 is welded with leg-of-mutton reinforcement fin 12.
Like this can the structural strength of further elevator wheel support 11 entirety, make rolling wheel support 11 entirety more durable in use.
Wherein, described vibrationproof supporting construction comprises described rolling wheel support 11 entirety for be obliquely installed and lower end is the structure of the front side away from described frame; Described vibrationproof supporting construction also comprises and to be arranged between described rolling wheel support 11 and described frame and to be in the elastic component 13 of compressive state.
Above-mentioned vibrationproof supporting construction comprises described rolling wheel support 11 entirety for being obliquely installed and making lower end away from the structure of the front side of described frame, so, rolling wheel support 11 and the tire be arranged on rolling wheel support 11 can reserve for the front end of frame the space arranging and hang knife rest 3 as far as possible, therefore the design of space structure can be made more reasonable.Simultaneously, to be arranged between described rolling wheel support 11 and described frame when vibrationproof supporting construction also comprises and to be in the elastic component 13 of compressive state, so, this elastic component 13 just can slow down the shake of roller 4 in traveling process, thus frame can be made overall more steady in traveling process.
Wherein, described elastic component 13 is air spring, and one end of described elastic component 13 is hinged and connected to described rolling wheel support 11, and the other end is hinged and connected in frame.
Like this, air spring responsiveness advantage relatively slowly can be utilized, avoid excessive the jolting because vibration produces.In addition, after being provided with air spring, elastic force can also be regulated by regulating the air pressure in the pressure cylinder in air spring, thus the height of frame is regulated, be fixed in frame because hanging knife rest 3, therefore also can regulate the tilling depth degree of depth hanging knife rest 3 and be arranged on the rotary blade 1 on this suspension knife rest 3, thus more cultivated soil type (e.g., dry farming tilling depth 12 ~ 16 centimetres can be applicable to simultaneously; Water tilling depth 14 ~ 18 centimetres), practicality is better.And adopt air spring to be connected between described rolling wheel support 11 and described frame and can to form leg-of-mutton connected support structure, ideal stablizing effect can be obtained.
Wherein, the quantity of described elastic component 13 is one, and one end that described elastic component 13 is connected with described rolling wheel support 11 is positioned at the middle part of the transverse bar on described rolling wheel support 11, one end that described elastic component 13 is connected with described frame is positioned at the middle part of the middle part longitudinal rod of described frame.
Above-mentioned structural design, vibrationproof supporting construction overall structure not only can be made more to simplify, because elastic component 13 two ends lay respectively at above-mentioned position, also namely elastic component 13 entirety is positioned at the middle part arranged with frame width two side wheel 4, such position is arranged, the vibration that the roller 4 of the reply both sides that elastic component 13 can be comparatively balanced produces can be made, and frame entirety is better supported simultaneously.
Wherein, above-mentioned rotovator also comprises rotary blade 1 arrangement, described rotary blade 1 arrangement comprise spherical concave surface on the rotary blade 1 on front side of contiguous described frame towards from away from the spherical concave surface on the rotary blade 1 on front side of described frame towards different.
Adopt above-mentioned rotary blade 1 arrangement, because of the spherical concave surface on the rotary blade 1 on front side of described frame contiguous in its structure towards from away from the spherical concave surface on the rotary blade 1 on front side of described frame towards different, so, the rotary blade 1 on front side and rear side can be made in frame to cultivate track more staggered, can better farming to loosen the soil effect.
Wherein, spherical concave surface on the rotary blade 1 on front side of described frame is close to all towards the outside of described frame.
Because the side on rotary blade 1 is spherical concave surface, namely spherical concave surface also can form spherical convex surface at opposite side, because spherical convex surface also can play certain effect stopping soil in rotovator traveling process, described spherical convex surface is accepted and the resistance of soil is converted into revolving force, thus rotary blade 1 is rotated.Therefore after employing said structure, because the spherical concave surface of the rotary blade 1 on front side of contiguous described frame is all towards the outside of described frame, like this, namely corresponding spherical convex surface is made certain soil can be shootd off toward machine frame inside direction, spherical concave surface because of the rotary blade 1 be positioned on rear side of frame is different from front side, therefore shoot off past for soil away from frame direction again, so, just can form the spaced protuberance of many by the soil surface after farming, and the depression between protuberance and protuberance is suitable for sowing, and better growing environment can be built for seed.
Wherein, the spacing be fixedly installed between the multiple described rotary blade 1 on same described cutter shaft 2 is equal.
Such rotary blade 1 that the frame left and right sides can be made to install is more symmetrical, thus make rotovator entirety can be more steady in the process of advancing.
Wherein, above-mentioned rotovator also comprises holder and to try to stop people from fighting each other bounce-proof vibrational structure; Described holder bounce-proof vibrational structure of trying to stop people from fighting each other comprises the elastic reset structure between upper surface and the front side upper surface middle part of described frame being arranged on described vertical pole 8 back segment, and described elastic reset structure apply downward elastic force can to described vertical pole 8 back segment.
Arranging above-mentioned holder tries to stop people from fighting each other after bounce-proof vibrational structure, the rear end that Yin Tuo tries to stop people from fighting each other is the lower end be connected through the hinge on front side of described frame, so, namely holder is tried to stop people from fighting each other can there is the situation of jolting at adaptation tractor in traveling process, and after above-mentioned elastic reset structure is set, apply downward elastic force just can to described vertical pole 8 back segment, thus holder be tried to stop people from fighting each other can be in horizontal as far as possible, like this pulling force of advancing of tractor better be passed to rotovator.
During enforcement, described elastic reset structure can adopt the damper between upper surface and the front side upper surface middle part of described frame being arranged at described vertical pole 8 back segment to realize.Also following preferred structure scheme can be adopted:
Described elastic reset structure comprises the hinge seat being fixedly installed on the described upper surface of vertical pole 8 back segment and the front side upper surface middle part of described frame respectively, and wherein, the hinge seat being positioned at the front side upper surface middle part of described frame is hinged and is connected to a sleeve 14; Described elastic reset structure also comprises a lower end and is hinged and connected on the hinge seat of the upper surface of described vertical pole 8 back segment, upper end can be slid through a guide post 15 of described sleeve 14, the two ends up and down of described guide post 15 have the larger positive stop end of diameter respectively, and described guide rod is also socketed with a Compress Spring between the positive stop end of below and sleeve 14.
Above-mentioned elastic reset structure is comparatively simple, and wherein guide post 15 can slide in described sleeve 14, makes guide post 15 can play guide effect to the rotation of pulling carrier, prevents it from producing excessive swing.Secondly, because of being provided with above-mentioned Compress Spring, therefore Compress Spring can be put and applies downward elastic force to it on pulling carrier, thus help pulling carrier resets faster.
Wherein, described guide rod is also socketed with another root Compress Spring between the positive stop end of top and sleeve 14, and two described Compress Springs are in nature extended configuration when described vertical pole 8 is in horizontal.
The setting of above-mentioned two Compress Springs can strengthen the Rapid reset effect of pulling carrier.
Wherein, above-mentioned rotovator also comprises the syndeton hanging knife rest 3 and frame; Described syndeton comprises the structure that described suspension knife rest 3 entirety is strip, one end that described syndeton also comprises described suspension knife rest 3 is be hinged on the longeron of described main frame 5 of described frame, and the other end is that level runs through and the position that is connected with described connecting rod 6 of spacing described main frame 5 in described frame.
Above-mentioned suspension knife rest 3 is with the syndeton of frame, adopt the suspension knife rest 3 of strip, described suspending-knife one end is hinged on the longeron of described main frame 5 of described frame, the other end runs through and the structure of position that is connected with described connecting rod 6 of spacing described main frame 5 in described frame in level, the while of frame can being ensured and hangs due syndeton intensity between knife rest 3, this syndeton entirety can be made to simplify the most, so not only be beneficial to large-scale production manufacture, be also convenient to efficiently assemble suspension knife rest 3 and frame.
Wherein, described suspension knife rest 3 adopts rectangular tube to obtain.
So, while the structure of suspension knife rest 3 entirety can be made lighter, better bending resistance, torsional property can be had again, frame can be made more durable in use.
Wherein, above-mentioned rotovator includes for cutter shaft 2 being hung the connector being connected to and hanging knife rest 3; Described connector comprises the vertical block 16 that one piece of middle part on it is vertical has kink, the upper end of described vertical block 16 is vertically fixedly connected with one piece of horizontal connecting plate 17 for being connected with the lower surface hanging knife rest 3, the lower end of described vertical block 16 is formed with that Open Side Down and the groove of U-shaped profile, and the length direction of described groove is consistent with the width of described vertical block 16; The cell wall of described groove also vertically runs through the connecting hole being provided with and can running through for latch; Described connector also comprises a cylindric bearing holder (housing, cover) 18, the outer surface of described bearing holder (housing, cover) 18 is vertically fixedly connected with one piece of grafting block that can be plugged in described groove, described grafting block to be inserted in described groove and described grafting block has the perforation corresponding with described connecting hole, and described grafting block and described groove are by the detachable connection of connecting bolt.
The above-mentioned connector for cutter shaft 2 suspension being connected to suspension knife rest 3 comprises the vertical block 16 that one piece of middle part on it is vertical has kink, and this kink can strengthen the structural strength of this vertical block 16 like this.The lower end of this vertical block 16 is provided with above-mentioned groove, and this groove can be used in plugging with the grafting block on bearing holder (housing, cover) 18 and being fixed together finally by bolt.Be connected between above-mentioned bearing holder (housing, cover) 18 and vertical block 16 also comparatively simple, it is also comparatively convenient to couple together, therefore can reduce assembly difficulty rotovator hung between knife rest 3 and cutter shaft 2, improves efficiency of assembling.
During enforcement, the lower surface at the length direction two ends of described suspension knife rest 3 is respectively arranged with a described connector and hangs cutter shaft 2.
Wherein, on the surface of described vertical block 16, between the part of contiguous described kink and the surface of kink, common vertical is connected with the ribs block 19 of bar shaped.
So, just can promote the structural strength at vertical block 16 entirety and kink place further, strengthen the bearing capacity of connector.
Wherein, the surface of described vertical the block 16 and lower surface of described horizontal connecting plate 17 is also vertical is connected with leg-of-mutton boss.
The bonding strength between vertical block 16 and horizontal connecting plate 17 can be promoted like this.
Below be only the preferred embodiment of the present invention; need point out be; for those skilled in the art under the prerequisite not departing from the technical program, can also make some distortion and improvement, the technical scheme of above-mentioned distortion and improvement should be considered as falling into the scope that this application claims protection equally.
Claims (10)
1. rotovator, comprises frame, and be arranged on rotary blade in described frame, cutter shaft, suspension knife rest, holder are tried to stop people from fighting each other, roller; Described rotary blade for being fixed on described cutter shaft, and is the spaced polylith of length direction along described cutter shaft; It is characterized in that:
Described cutter shaft is rotatably hung by bearing and is connected on described suspension knife rest;
Described suspension knife rest is two of the left and right sides being fixedly installed on described frame, and be positioned at the same side to two described suspension knife rests in " eight " shape distribution.
2. rotovator according to claim 1, is characterized in that: described rotary blade entirety in umbrella-shaped structure, and has the through hole running through connection for cutter shaft in the middle part of described rotary blade, the circumferential edge of described rotary blade is arranged at intervals with multiple breach.
3. rotovator according to claim 1, is characterized in that: described frame includes one and is horizontally disposed with and the overall main frame in " work " font; Described frame also includes two connecting rods, between the left side that the both ends on described two connecting rod length directions are detachable is connected to described main frame and the both ends on right side, and makes the frame structure of described frame entirety in " saying " font.
4. rotovator according to claim 1, it is characterized in that: described holder is tried to stop people from fighting each other overall T-shaped and be made up of vertical pole and cross bar, one end of described vertical pole is vertical with the middle part of described cross bar to be fixed together, the other end of described vertical pole is that described cross bar is hinged in described frame at the two ends of its length direction for being connected with tractor.
5. rotovator according to claim 3, it is characterized in that: also comprise rolling wheel support, described rolling wheel support entirety is in H type, and the top of described rolling wheel support has two links, and described two links are hinged and connected to the lower surface of the leading portion of two connecting rods of described frame; The bottom of described rolling wheel support is rotatably connected by bearing and described roller; Also comprise the vibrationproof supporting construction arranged between described frame and described rolling wheel support.
6. rotovator according to claim 5, is characterized in that: it is overall for be obliquely installed and lower end is the structure of the front side away from described frame that described vibrationproof supporting construction comprises described rolling wheel support; Described vibrationproof supporting construction also comprises and to be arranged between described rolling wheel support and described frame and to be in the elastic component of compressive state.
7. rotovator according to claim 2, it is characterized in that: also comprise rotary blade arrangement, described rotary blade arrangement comprise spherical concave surface on the rotary blade on front side of contiguous described frame towards from away from the spherical concave surface on the rotary blade on front side of described frame towards different.
8. rotovator according to claim 4, is characterized in that: also comprise holder and to try to stop people from fighting each other bounce-proof vibrational structure; Described holder bounce-proof vibrational structure of trying to stop people from fighting each other comprises the elastic reset structure between upper surface and the front side upper surface middle part of described frame being arranged on described vertical pole back segment, and described elastic reset structure apply downward elastic force can to described vertical pole back segment.
9. rotovator according to claim 3, is characterized in that: also comprise the syndeton hanging knife rest and frame; Described syndeton comprises the structure that described suspension knife rest entirety is strip, one end that described syndeton also comprises described suspension knife rest is be hinged on the longeron of described main frame of described frame, and the other end is that level runs through and the position that is connected with described connecting rod of spacing described main frame in described frame.
10. rotovator according to claim 9, is characterized in that: include for cutter shaft being hung the connector being connected to and hanging knife rest; Described connector comprises the vertical block that one piece of middle part on it is vertical has kink, the upper end of described vertical block is vertically fixedly connected with one piece of horizontal connecting plate for being connected with the lower surface hanging knife rest, the lower end of described vertical block is formed with that Open Side Down and the groove of U-shaped profile, and the length direction of described groove is consistent with the width of described vertical block; The cell wall of described groove also vertically runs through the connecting hole being provided with and can running through for latch; Described connector also comprises a cylindric bearing holder (housing, cover), the outer surface of described bearing holder (housing, cover) is vertically fixedly connected with one piece of grafting block that can be plugged in described groove, described grafting block to be inserted in described groove and described grafting block has the perforation corresponding with described connecting hole, and described grafting block and described groove are by the detachable connection of connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510892651.0A CN105325075A (en) | 2015-11-27 | 2015-11-27 | Rotary cultivator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510892651.0A CN105325075A (en) | 2015-11-27 | 2015-11-27 | Rotary cultivator |
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| CN105325075A true CN105325075A (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510892651.0A Pending CN105325075A (en) | 2015-11-27 | 2015-11-27 | Rotary cultivator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110583123A (en) * | 2019-09-25 | 2019-12-20 | 周能为 | Paddy-upland dual-purpose direct sowing machine for planting rice and wheat and planting method thereof |
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| CN204579011U (en) * | 2015-04-15 | 2015-08-26 | 新疆昌大建筑安装工程有限责任公司 | A kind of combined soil preparing machine |
| CN104956796A (en) * | 2015-06-16 | 2015-10-07 | 刘世恩 | Soil tillage device with deep scarification and harrow smashing and leveling functions |
| CN205249719U (en) * | 2015-11-27 | 2016-05-25 | 重庆田畸实业有限公司 | Rotary tillage machine |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204579011U (en) * | 2015-04-15 | 2015-08-26 | 新疆昌大建筑安装工程有限责任公司 | A kind of combined soil preparing machine |
| CN104956796A (en) * | 2015-06-16 | 2015-10-07 | 刘世恩 | Soil tillage device with deep scarification and harrow smashing and leveling functions |
| CN205249719U (en) * | 2015-11-27 | 2016-05-25 | 重庆田畸实业有限公司 | Rotary tillage machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110583123A (en) * | 2019-09-25 | 2019-12-20 | 周能为 | Paddy-upland dual-purpose direct sowing machine for planting rice and wheat and planting method thereof |
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