CN212786510U

CN212786510U - A land leveler for paddy field

Info

Publication number: CN212786510U
Application number: CN202021134119.5U
Authority: CN
Inventors: 张似松; 张印; 张建军; 韩攀
Original assignee: Wuhan Genguyuan Ecological Agriculture Technology Co ltd
Current assignee: Wuhan Genguyuan Ecological Agriculture Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-26
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to a field flattening machine for paddy field, including the tractor, set up in support frame on the tractor with rotate set up in field flattening harrow on the support frame, removable the baffle that is provided with the polylith and is used for blockking the soil block and cross the harrow pole on the field flattening harrow, the baffle is located the harrow pole upside of field flattening harrow, the harrow pole upside of field flattening harrow is provided with the mounting groove that the cross-section is "U" font, the length direction setting of field flattening harrow is followed to the mounting groove, the baffle with the length direction unanimous and the vertical setting of field flattening harrow, the baffle removable install in the mounting groove. Through the arrangement, the soil blocks accumulated on one side of the advancing direction of the harrow bar during the flattening operation can be avoided as far as possible to cross the harrow bar and fall on the leveled field surface, so that the integral flattening effect of the paddy field is ensured.

Description

A land leveler for paddy field

Technical Field

The utility model relates to a technical field of farming equipment especially relates to a land leveler for paddy field.

Background

In the production process of paddy rice, the fine leveling technology of paddy fields is an important measure for saving irrigation water, inhibiting weed growth, improving the yield of paddy rice and reducing the production cost. The traditional farming method is to cultivate the farming area and then use the water rake wheels to roll for multiple times, so that the efficiency is low, the land entering times are multiple, and the soil structure is easy to damage. Therefore, more and more people select the paddy field to drive the harrowing and field flattening machine to finely flatten the paddy field, but the existing field flattening machine cannot stretch out and draw back during operation, cannot adjust the length of the harrow according to the width of the paddy field, and has great limitation.

Aiming at the technical problems, a Chinese patent with a patent publication number of CN205105550U is searched, and the Chinese patent discloses a contraction type hydraulic field flattening machine which comprises a frame, a main rake, an auxiliary rake and a hydraulic oil cylinder, wherein the main rake is hinged with the frame, and the auxiliary rake is connected with the main rake through a rotating component; the hydraulic oil cylinder is arranged on the frame, and a piston rod of the hydraulic oil cylinder is connected with the traction frame of the main rake; the main rake and the auxiliary rake are both provided with a land leveling component.

The technical scheme has the following defects: when the field flattening machine works, the surface of the paddy field is flattened by the fact that the harrow bar is attached to the surface of the paddy field, and in the actual working process, due to the fact that the surface of the paddy field is uneven, soil blocks and the like are easy to accumulate on one side of the harrow bar in the advancing direction in the advancing process of the harrow bar, the accumulated soil blocks are easy to overturn from the harrow bar after reaching a certain height and fall on the flattened field surface, and therefore the flattening effect of the paddy field is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a paddy field flattening machine which ensures that soil blocks are not easy to turn over a harrow bar and fall on a flattened field.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a field flattening machine for paddy field, include the tractor, set up in support frame on the tractor with rotate set up in field flattening harrow on the support frame, removable being provided with the polylith on the field flattening harrow and being used for blockking the baffle that the soil block crossed the harrow pole, the baffle is located the harrow pole upside of field flattening harrow, the harrow pole upside of field flattening harrow is provided with the mounting groove that the cross-section is "U" font, the length direction setting along the field flattening harrow is followed to the mounting groove, the baffle with the length direction unanimous and the vertical setting of field flattening harrow, baffle demountable installation in the mounting groove.

By adopting the technical scheme, when the paddy field is leveled, the leveling harrow arranged on the support frame is dragged by the tractor to level the surface of the paddy field, when soil blocks accumulate on one side of the leveling harrow in the advancing direction of the harrow bar, the soil blocks are blocked by the arranged baffle plate, so that the soil blocks are not easy to turn over the harrow bar and fall on the leveled paddy field, the leveling of the leveled paddy field is avoided being influenced, and the leveling effect of the paddy field is improved; the rotary arrangement of the field flattening harrow enables the field flattening harrow to rotate upwards to be far away from the ground when the paddy field flattening work is not carried out, so that the normal movement of the field flattening machine is facilitated; the installation groove has a limiting effect on the baffle plate, so that the baffle plate is convenient to install and fix; the removable length that conveniently increases or reduce the baffle of setting up of polylith baffle is in order to adapt to the paddy field of different width to level the operation. The utility model discloses a set up the baffle, can play the effect of blockking to the soil block that gathers one side on the rake bar advancing direction during leveling operation, avoid the soil block to cross the rake bar and fall on the field face that has leveled to guarantee the whole effect of leveling in paddy field.

The present invention may be further configured in a preferred embodiment as: the thickness of baffle with the width of mounting groove is unanimous, a plurality of mounting holes that run through are seted up to the downside of baffle, the axis level of mounting hole and with the length direction of mounting hole is perpendicular, and a plurality of mounting holes are followed the length direction equidistance of baffle distributes, the activity is worn to be equipped with a plurality ofly on the mounting groove with the fixing bolt of mounting hole slip grafting adaptation, fixing bolt's axis direction with the axis direction of mounting hole is unanimous, fixing bolt's length is greater than the width of mounting groove, the one end screw thread cover that fixing bolt kept away from its head is equipped with the nut.

By adopting the technical scheme, when the baffle is installed, the baffle is embedded in the installation groove, the installation hole corresponds to the fixing bolt in position, the fixing bolt penetrates through the installation hole and penetrates out from the other side of the installation groove, and the nut is sleeved at one end, far away from the head, of the fixing bolt in a threaded manner; the fixed mounting of the baffle on the harrow for the paddy field is realized through the insertion and connection matching of the mounting hole on the baffle and the fixing bolt on the mounting groove, the baffle is convenient to mount and dismount, the mounting and fixing effects are stable, and the structure is simple and easy to implement.

The present invention may be further configured in a preferred embodiment as: one side of the baffle close to the support frame is provided with an arc surface which protrudes outwards.

Through adopting above-mentioned technical scheme, when the clod is gathered in the ascending one side of harrow pole advancing direction and when piling up on the baffle, the setting up of baffle arc surface makes the clod slide to the one side that is close to the support frame along its circular arc on the baffle, makes the clod landing again to treating smooth one side field face on, further improves the effect that blocks of baffle to the clod.

The present invention may be further configured in a preferred embodiment as: the arc surface of the baffle is a polished surface.

Through adopting above-mentioned technical scheme, the polished surface setting of baffle makes the clod be difficult for gluing on the arc surface of baffle and influence the baffle to the effect that blocks of clod.

The present invention may be further configured in a preferred embodiment as: the baffle is a plastic plate.

By adopting the technical scheme, the baffle plate is a plastic plate, so that the corrosion resistance of the baffle plate is improved, the service life is long, and the cost is low.

The present invention may be further configured in a preferred embodiment as: one side on the baffle length direction is integrative to be provided with vertical spacing, on the baffle with spacing opposite side seted up with spacing grafting adaptation's spacing groove.

Through adopting above-mentioned technical scheme, when installing polylith baffle on the terrace harrow, through the grafting cooperation interconnect of spacing and spacing groove between two adjacent baffles, make difficult production gap between two adjacent baffles to further improve the baffle and to the effect that blocks of soil block.

The present invention may be further configured in a preferred embodiment as: the field leveling harrow comprises a main harrow and a plurality of auxiliary harrows detachably connected with two ends of the main harrow, two horizontal first connecting plates are respectively arranged at two ends of the main harrow on two sides in the horizontal direction, the first connecting plates are arranged in a direction deviating from the direction of the main harrow, two horizontal second connecting plates are respectively arranged at two ends of the auxiliary harrow on two sides in the horizontal direction, the second connecting plates are arranged in a direction deviating from the direction of the auxiliary harrow, the distance between the mutually far sides of the two second connecting plates positioned at the same side of the auxiliary harrow is smaller than the distance between the mutually near sides of the two first connecting plates positioned at the same side of the main harrow, connecting holes are respectively arranged on the first connecting plates and the second connecting plates, when the auxiliary harrow is coaxial with the main harrow and the end parts are mutually abutted, the connecting holes on the first connecting plates and the second connecting plates are coaxial, the first connecting plate and the second connecting plate are connected through a bolt.

By adopting the technical scheme, the arrangement of the main harrow and the auxiliary harrow facilitates the change of the whole field flattening harrow by increasing or reducing the number of the auxiliary harrow according to the width of the paddy field, thereby adapting to the flattening work of paddy fields with different widths; when the auxiliary rake is installed, the auxiliary rake is arranged at one end of the main rake, the two second connecting plates are located between the two first connecting plates, the connecting holes in the first connecting plates and the second connecting plates are coaxial, and the bolts are inserted into the connecting holes to fixedly connect the second connecting plates and the first connecting plates, so that the fixed connection of the auxiliary rake and the main rake is realized. The auxiliary harrow is convenient to mount and dismount, and the length of the field flattening harrow can be quickly adjusted according to the width of a paddy field.

The present invention may be further configured in a preferred embodiment as: the tractor is characterized in that the support frame is provided with two balancing weights, two vertical fixing rods are arranged on the two sides of the support frame along the advancing direction of the tractor, and the two balancing weights are respectively movably sleeved on the two fixing rods.

By adopting the technical scheme, when the balancing weight is sleeved on the fixed rod, the weight of the supporting frame is increased through the balancing weight, so that the field flattening harrow is not easy to tilt up when the field flattening machine works, the integral flattening depth of the field flattening harrow to a paddy field is kept consistent, and the integral flattening effect of the paddy field is improved; when the field flattening machine does not work, the balancing weight is taken down from the supporting frame so as to facilitate the movement of the field flattening machine.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the baffle, soil blocks accumulated on one side in the advancing direction of the harrow bar during leveling operation can be blocked, and the soil blocks are prevented from crossing the harrow bar and falling on a leveled field surface, so that the overall leveling effect of a paddy field is ensured;

2. one side of the baffle close to the support frame is provided with an arc surface and is polished, so that soil blocks fall on the baffle and slide to the side of the field surface to be leveled again, and the blocking effect of the baffle on the soil blocks is further improved;

3. through the arrangement of the main harrow and the auxiliary harrow, the number of the auxiliary harrow can be increased or reduced to change the whole field flattening harrow according to the width of the paddy field, so that the field flattening harrow is suitable for flattening work of paddy fields with different widths; and the spliced arrangement of the plurality of baffles and the detachable connection with the field flattening harrow can change the length of the baffles according to the length of the field flattening harrow so as to adapt to paddy field flattening operation with different widths.

Drawings

Fig. 1 is a schematic overall structure diagram of the present embodiment.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

Fig. 4 is an enlarged schematic view of the portion C in fig. 1.

In the figure, 1, a tractor; 2. a support frame; 3. leveling and harrowing; 31. a main rake; 311. a first connecting plate; 32. an auxiliary rake; 321. a second connecting plate; 33. a bolt; 4. a balancing weight; 5. an oil cylinder; 6. a baffle plate; 61. a limiting strip; 62. a limiting groove; 7. mounting grooves; 8. and (5) fixing the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a paddy field flattening machine, which comprises a tractor 1, a support frame 2 arranged on the tractor 1 and a flattening harrow 3 arranged on the support frame 2 in a rotating way. Two vertical fixing rods are arranged on the two sides of the support frame 2 along the advancing direction of the tractor 1, and two balancing weights 4 are movably sleeved on the two fixing rods on the support frame 2. The field flattening harrow 3 comprises a main harrow 31 which is rotatably arranged on the support frame 2 and a plurality of auxiliary rakes 32 which are detachably connected with the two ends of the main harrow 31, the main harrow 31 is horizontally arranged, the length direction of the main harrow 31 is vertical to the advancing direction of the tractor 1, an oil cylinder 5 is hinged on the support frame 2, the body of the oil cylinder 5 is hinged on the support frame 2, and the end part of a piston rod is hinged in the middle of the main harrow 31. When the paddy field is leveled, the paddy field leveling harrow 3 is rotated to the state that harrow teeth are inserted into the paddy field through the oil cylinder 5, the paddy field leveling harrow 3 arranged on the support frame 2 is dragged through the tractor 1 to level the surface of the paddy field, and after leveling is finished, the paddy field leveling harrow 3 is upwards rotated to a position far away from the ground through the oil cylinder 5, so that the paddy field leveling machine is convenient to transfer.

Referring to fig. 2 and 3, two horizontal first connecting plates 311 are respectively fixedly disposed at two ends of the main rake 31 on two sides in the horizontal direction, projections of the two first connecting plates 311 located on the same side of the main rake 31 in the vertical direction are overlapped, and the first connecting plates 311 are disposed in a direction away from the main rake 31. Two horizontal second connecting plates 321 are respectively arranged on two sides of two ends of the auxiliary rake 32 in the horizontal direction, the projections of the two second connecting plates positioned on the same side of the auxiliary rake 32 in the vertical direction are overlapped, and the second connecting plates 321 are arranged in the direction deviating from the auxiliary rake 32. The distance between the side that two second connecting plates 321 that are located vice harrow 32 homonymy keep away from each other is unanimous with the distance between the side that two first connecting plates 311 that are located main harrow 31 homonymy are close to each other, all seted up the connecting hole on first connecting plate 311 and the second connecting plate 321, when vice harrow 32 is coaxial with main harrow 31 and the mutual butt of tip, the connecting hole on first connecting plate 311 and the second connecting plate 321 is coaxial, bolt 33 fixed connection in the connecting hole is worn to locate to first connecting plate 311 and second connecting plate 321. When the auxiliary rake 32 is installed, the auxiliary rake 32 is arranged at one end of the main rake 31, the two second connecting plates 321 are positioned between the two first connecting plates 311, the connecting holes on the first connecting plates 311 and the second connecting plates 321 are coaxial, and the bolt 33 is inserted into the connecting hole to fixedly connect the second connecting plates 321 and the first connecting plates 311, so that the fixed connection between the auxiliary rake 32 and the main rake 31 is realized; the width of the whole field flattening harrow 3 can be changed by increasing or decreasing the number of the auxiliary harrow 32 according to the width of the paddy field, thereby adapting to the flattening work of paddy fields with different widths.

Referring to fig. 2 and 4, a plurality of baffle plates 6 for blocking soil blocks from crossing over the harrow bar are detachably arranged on the field flattening harrow 3, mounting grooves 7 with U-shaped cross sections are fixedly arranged on the upper sides of the harrow bars of the main harrow 31 and the auxiliary harrow 32 of the field flattening harrow 3, and the mounting grooves 7 are arranged along the length direction of the field flattening harrow 3. Baffle 6 is the plastic slab, and baffle 6 is unanimous and vertical setting with the length direction of terrace harrow 3, and the thickness of baffle 6 is unanimous with the width of mounting groove 7, and one side that baffle 6 is close to support frame 2 sets up to the arc surface of evagination, and the arc surface is the polished surface. One side of baffle 6 length direction is integrative to be provided with the spacing 61 of vertical setting, and the spacing groove 62 with spacing 61 grafting adaptation is seted up to the opposite side. The setting of 6 arc surfaces of baffle, when the clod is gathered in the ascending one side of rake arm advancing direction and when piling up on baffle 6, the clod slides towards the one side that is close to support frame 2 along its circular arc on baffle 6, makes the clod landing again to treating smooth one side field face on, improves the effect that blocks of baffle 6 to the clod, and the polishing setting of arc surface makes difficult the gluing of earth on baffle 6 and influence the effect that blocks of baffle 6 to the clod.

Referring to fig. 1 and 2, a plurality of through mounting holes (not shown) are formed in the lower side of the baffle 6, the axis of each mounting hole is horizontal and perpendicular to the length direction of the corresponding mounting hole, and the mounting holes are equidistantly distributed along the length direction of the baffle 6. A plurality of fixing bolts 8 which are matched with the mounting holes in a sliding and inserting mode are movably arranged on the mounting groove 7 in a penetrating mode, through holes for the fixing bolts 8 to slide and penetrate are formed in the two sides of the mounting groove 7, the axis direction of the through holes is consistent with the axis direction of the mounting holes, the length of each fixing bolt 8 is larger than the width of the mounting groove 7, and a nut is sleeved on one end, far away from the head, of each fixing bolt 8. When installing baffle 6, inlay baffle 6 and locate mounting groove 7 in and make the mounting hole correspond with the through-hole position, pass through-hole and mounting hole and wear out from the opposite side of mounting groove 7 with fixing bolt 8 from one side of mounting groove 7, locate the one end that fixing bolt 8 kept away from its head with the nut screw thread cover, realize the fixed mounting of baffle 6 on field flattening harrow 3. Can be according to the length of levelling field harrow 3 through the quantity of increase and decrease baffle 6 to the length that changes baffle 6 levels the operation in order to adapt to the paddy field of different width, and the installation and the dismantlement of baffle 6 are all comparatively convenient.

The implementation principle of the embodiment is as follows: when the paddy field is leveled, the number of the auxiliary harrow 32 is increased or decreased according to the width of the paddy field so as to adapt to the paddy field, and the first connecting plate 311 and the second connecting plate 321 are fixedly connected through the bolt 33 so that the auxiliary harrow 32 is fixedly connected with the main harrow 31; then, the number of the baffle plates 6 is increased or decreased according to the overall length of the field flattening harrow 3, so that the limiting strips 61 and the limiting grooves 62 of two adjacent baffle plates 6 are mutually inserted and matched, and the baffle plates 6 and the mounting grooves 7 are fixed through fixing bolts 8, thereby completing the mounting of the baffle plates 6 on the field flattening harrow 3; then the field flattening harrow 3 is driven by the oil cylinder 5 to rotate until harrow teeth are inserted into the paddy field, and the field flattening harrow 3 arranged on the support frame 2 is dragged by the tractor 1 to flatten the paddy field.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A field flattening machine for paddy field characterized in that: including tractor (1), set up in support frame (2) on tractor (1) with rotate set up in levelling field harrow (3) on support frame (2), the removable baffle (6) that are provided with the polylith and are used for blockking the soil block and cross the harrow pole that are provided with on levelling field harrow (3), baffle (6) are located the harrow pole upside of levelling field harrow (3), the harrow pole upside of levelling field harrow (3) is provided with mounting groove (7) that the cross-section is "U" font, the length direction setting of levelling field harrow (3) is followed in mounting groove (7), baffle (6) with the length direction of levelling field harrow (3) is unanimous and vertical setting, baffle (6) removable mounting in mounting groove (7).

2. A paddy field leveling machine according to claim 1 wherein: the thickness of baffle (6) with the width of mounting groove (7) is unanimous, a plurality of mounting holes that run through have been seted up to the downside of baffle (6), the axis level of mounting hole and with the length direction of mounting hole is perpendicular, and a plurality of mounting holes are followed the length direction equidistance of baffle (6) distributes, the activity is worn to be equipped with a plurality ofly on mounting groove (7) with fixing bolt (8) of mounting hole slip grafting adaptation, the axis direction of fixing bolt (8) with the axis direction of mounting hole is unanimous, the length of fixing bolt (8) is greater than the width of mounting groove (7), the one end thread bush that fixing bolt (8) kept away from its head is equipped with the nut.

3. A paddy field leveling machine according to claim 2 wherein: one side of the baffle (6) close to the support frame (2) is provided with a convex arc surface.

4. A paddy field flattening machine according to claim 3, characterized in that: the arc surface of the baffle (6) is a polished surface.

5. A paddy field flattening machine according to claim 4, characterized in that: the baffle (6) is a plastic plate.

6. A paddy field leveling machine according to claim 5 wherein: one side of the baffle (6) in the length direction is integrally provided with a vertical limiting strip (61), and the other side of the baffle (6) opposite to the limiting strip (61) is provided with a limiting groove (62) matched with the limiting strip (61) in an inserting manner.

7. A paddy field leveling machine according to claim 1 wherein: the field leveling harrow (3) comprises a main harrow (31) and a plurality of auxiliary harrows (32) which are detachably connected with two ends of the main harrow (31), two horizontal first connecting plates (311) are respectively arranged on two sides of two ends of the main harrow (31) in the horizontal direction, the first connecting plates (311) are arranged in the direction deviating from the main harrow (31), two horizontal second connecting plates (321) are respectively arranged on two sides of two ends of the auxiliary harrow (32) in the horizontal direction, the second connecting plates (321) are arranged in the direction deviating from the auxiliary harrow (32), the distance between the two sides, far away from each other, of the second connecting plates (321) on the same side of the auxiliary harrow (32) is smaller than the distance between the two sides, close to each other, of the first connecting plates (311) on the same side of the main harrow (31), connecting holes are respectively formed in the first connecting plates (311) and the second connecting plates (321), when the auxiliary harrow (32) and the main harrow (31) are coaxial and the ends of the auxiliary harrow are mutually abutted, the connecting holes on the first connecting plate (311) and the second connecting plate (321) are coaxial, and the first connecting plate (311) and the second connecting plate (321) are connected through a bolt (33).

8. A paddy field leveling machine according to claim 1 wherein: the tractor is characterized in that two balancing weights (4) are arranged on the support frame (2), two vertical fixing rods are arranged on two sides of the support frame (2) along the advancing direction of the tractor (1), and the two balancing weights (4) are respectively movably sleeved on the two fixing rods.