CN218634698U

CN218634698U - Rotary cultivator

Info

Publication number: CN218634698U
Application number: CN202223294354.0U
Authority: CN
Inventors: 何元军
Original assignee: Chongqing Haofa Machinery Manufacturing Co ltd
Current assignee: Chongqing Haofa Machinery Manufacturing Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-03-17
Anticipated expiration: 2032-12-08

Abstract

The utility model provides a rotary cultivator, relate to the technical field of farming machinery, including power device, be connected with gearbox body on power device's output shaft, be fixed with two crossing cross arms in gearbox body's bottom, cross arm is rectangular form component, and one end is fixed on gearbox body, gearbox body's one end is kept away from each other to two cross arms and is formed the extension end, serve respectively horizontal installation in two extensions and have the pivot, the both sides that cross arm was stretched out at its both ends form the link, two pivot parallel arrangement each other, and be connected with drive mechanism between pivot and gearbox body's the output shaft, a pivot is used for installing the rotary blade, another pivot is used for installing the walking wheel. The device has the advantage of preventing the rotary cultivator from skidding so as to improve the cultivation efficiency of the rotary cultivator.

Description

Rotary cultivator

Technical Field

The utility model relates to a technical field of farming machinery especially relates to a rotary cultivator.

Background

The micro rotary cultivator usually adopts the rotary blade as a power device to drive the rotary cultivator to cultivate the soil and move forwards simultaneously.

In the prior art, according to the patent of the invention in China with the patent publication number of CN109661864B, the invention discloses an agricultural rotary cultivator, which comprises a rotary cultivator body, a rotary cultivation unit and a power unit, wherein the rotary cultivation unit comprises a rotary cultivation shaft, a rotary cultivation blade and a mud guard, the mud guard covers the rotary cultivation blade, the power unit drives the rotary cultivation shaft to rotate, the rotary cultivation shaft is rotatably connected to the rotary cultivator body, the mud guard is attached to the rotary cultivator body, a first permanent magnet is arranged on the rotary cultivator body, the mud guard is an electromagnet, a first groove is arranged on the rotary cultivation shaft, a second groove is arranged on the mud guard, a second permanent magnet is slidably connected in the second groove, and a first elastic part is fixedly connected between the second permanent magnet and the bottom of the second groove; the first permanent magnet and the second permanent magnet are opposite to the magnetic poles of the electrified fender.

The prior art has the following technical problems that the walking and the rotary tillage of the device are both carried out through a rotary tillage mechanism, and the device is easy to slip at the place after the rotary tillage, so that the propelling efficiency of the rotary cultivator is lower, and the tillage effect of the rotary cultivator is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the scheme provides the rotary cultivator, which solves the problem that the rotary cultivator slips when in working to reduce the tillage effect.

According to the utility model discloses an embodiment, a rotary cultivator, including power device, be connected with the gearbox body on power device's output shaft, be fixed with two crossed arm in the bottom of gearbox body, crossed arm is rectangular form component, and one end is fixed on the gearbox body, the one end that gearbox body was kept away from to two crossed arms is kept away from each other and is formed the extension end, two extension serve respectively horizontal installation have a pivot, the both sides that its both ends stretched out crossed arm form the link, two pivot parallel arrangement each other, and be connected with drive mechanism between pivot and gearbox body's the output shaft, a pivot is used for installing the rotary blade, another pivot is used for installing the walking wheel.

Through the technical scheme, when the rotary cultivator is used for cultivating, the power of the power device can be transmitted to the two output shafts, so that the rotary blade and the travelling wheels both obtain power to rotate, and when the rotary blade rotates to cultivate soil, the travelling wheels can provide power for driving the whole device to travel; compared with the rotary cultivator in the prior art, the walking power and the rotary cultivation in the rotary cultivator device are carried out in a labor-sharing mode, the possibility that soil slips due to the fact that soil is soft after the rotary cultivator blade cultivates the soil is avoided, the mandrel efficiency of the rotary cultivator is improved, and the cultivation effect of the rotary cultivator is further improved.

Preferably, the cross arm is a member with a hollow interior and an open top, the open end of the cross arm is fixed on the transmission case, the rotating shaft is horizontally arranged at the bottom end of the cross arm, and a chain transmission mechanism is adopted between the rotating shaft and the transmission case.

Through the technical scheme, the transmission mechanism can be conveniently arranged in the cross arm inside the transmission mechanism, lubricating oil can be stored in the transmission mechanism to lubricate the transmission mechanism, the transmission efficiency between the output shaft and the gearbox body can be improved by adopting the chain transmission mechanism, and the failure rate of the device is reduced.

Preferably, the bottom of the cross arm is provided with an oil drain hole, and a plugging piece is detachably mounted at the oil drain hole.

Through above technical scheme, utilize the oil drain hole that sets up in the cross arm bottom, can conveniently be with the lubricating oil of giving off waste gas for the process of the change lubricating oil of device is more convenient.

Preferably, the cross section of the connecting end is polygonal, and the rotary tillage cutter and the walking wheel are matched with the connecting end.

Through the technical scheme, the connecting end is made into the structure with the polygonal cross section, the rotary blade and the walking wheel are arranged on the connecting end, the possibility of slipping between the output shaft and the rotary blade and between the output shaft and the walking wheel can be reduced, and the reliability of the device is improved.

Preferably, a clutch controller is arranged between the power device and the gearbox body.

Through the technical scheme, the clutch controller arranged between the power device and the gearbox body can be used for conveniently controlling the power device of the connection device.

Preferably, the walking wheel includes the connecting axle, is provided with the jack with the connecting end adaptation on the connecting axle, all circumference is fixed with the spoke in the both ends department of connecting axle, keeps away from the coaxial rim that is fixed with of tip of connecting axle at the spoke, is connected with anti-skidding piece between the rim of both sides.

Through above technical scheme, the walking wheel that utilizes this structure can reduce its whole weight, reduces the walking wheel and sinks into the underground possibility, even take place to sink into the circumstances on ground after, utilizes anti-skidding piece, can be better with power transmission subaerial to make things convenient for the walking wheel to take place the displacement, further improved the reliability of device.

Preferably, the anti-slip piece is an angle steel, and the opening side of the angle steel is fixed on the wheel rim.

Through above technical scheme, utilize the angle steel to make into anti-skidding piece, when can be so that anti-skidding piece and ground contact, the pointed end of anti-skidding piece can conveniently be absorbed in to the earth on ground, can control its degree of depth of absorbed in again, prevent that the walking wheel from being absorbed in too deeply and the possibility that takes place to absorb in the car, improved the reliability of this rotary cultivator.

Preferably, a plurality of reinforcing ribs are arranged on the outer side of the cross arm.

Through above technical scheme, utilize the strengthening rib that sets up on the arm that intersects, can improve the mechanical properties of crossing arm, reduce the possibility that the crossing arm takes place to break, further improved the reliability of this rotary cultivator.

Compared with the prior art, the utility model discloses one of following beneficial effect has at least:

1. the rotary cultivator has the advantages that the rotary cultivator is provided with the rotary blade and the travelling wheels separately, and power is distributed evenly, so that the possibility of slipping of the rotary cultivator during cultivation can be reduced, and the cultivation efficiency of the rotary cultivator is improved;

2. the power of the gearbox body is transmitted to the output shaft by using the chain transmission mechanism, so that the transmission efficiency between the gearbox body and the output shaft can be improved, the overall weight of the device is reduced, and the possibility of land subsidence of the rotary cultivator during cultivation is further reduced;

3. the end part of the output shaft is arranged to be of a structure with a polygonal cross section, so that the output shaft can transmit power to the travelling wheels and the rotary blades conveniently, the output shaft is prevented from idling, and the transmission efficiency of the device is further improved.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic structural view between the transmission housing and the cross arm of FIG. 1;

fig. 3 is a partial cross-sectional view of fig. 2.

In the drawings, wherein: 1. a power plant; 2. a transmission case; 3. a cross arm; 31. an extension end; 311. an oil drain hole; 32. a blocking piece; 33. reinforcing ribs; 4. a rotating shaft; 41. a connecting end; 5. a rotary blade; 6. a traveling wheel; 61. a connecting shaft; 611. a jack; 62. a spoke; 63. a rim; 64. an anti-slip member; 7. a chain transmission mechanism; 8. a clutch controller.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

A rotary cultivator, refer to fig. 1-3, comprising a power device 1, a gearbox body 2 is connected on an output shaft of the power device 1, two crossed cross arms 3 are fixed at the bottom of the gearbox body 2, the cross arms 3 are strip-shaped members, one ends of the cross arms are fixed on the gearbox body 2, one ends of the two cross arms 3, which are far away from the gearbox body 2, are mutually far away to form extension ends 31, rotating shafts 4 are respectively and horizontally arranged on the two extension ends 31, two sides of the two ends of the two cross arms extend out of the cross arms 3 to form connecting ends 41, the two rotating shafts 4 are arranged in parallel, a transmission mechanism is connected between the rotating shafts 4 and the output shaft of the gearbox body 2, one rotating shaft 4 is used for mounting rotary tillage blades 5, and the other rotating shaft 4 is used for mounting travelling wheels 6.

Utilize this rotary cultivator to separately set up rotary blade 5 and walking wheel 6 for the rotary cultivator can reduce because take place to relax behind the arable land and lead to the rotary cultivator when carrying out the walking motion, takes place the possibility of skidding, can improve the walking efficiency of rotary cultivator, and then keeps the arable land efficiency of rotary cultivator.

The power unit 1 is a conventional one, and may be manufactured by using a gasoline engine, a diesel engine, or a motor, which is commercially available.

The transmission case 2 is a conventional one, and may be commercially available as needed.

The cross arm 3 is a strip-shaped member with a hollow interior and an open top, the open end of the cross arm is fixed on the transmission case body 2, and the cross arm 3 can be made by welding steel plates or by casting.

The outer side of the cross arm 3 is provided with a plurality of reinforcing ribs 33, and the reinforcing ribs 33 can enhance the structural strength of the cross arm 3 and increase the bearing capacity of the device.

The rotating shaft 4 is a cylindrical component, the rotating shaft 4 is horizontally and rotatably installed at the bottom end of the cross arm 3, a chain transmission mechanism 7 is adopted between the rotating shaft 4 and the gearbox body 2, the chain transmission mechanism 7 is the prior art and can be obtained through market purchase, and the chain transmission mechanism 7 is used for transmitting the power of the gearbox body 2 to the rotating shaft 4.

The bottom of the cross arm 3 is provided with an oil drain hole 311, the oil drain hole 311 is communicated with the inner cavity of the cross arm 3, a blocking piece 32 is detachably mounted at the oil drain hole 311, the oil drain hole 311 is set to be a threaded hole for the convenience of mounting the blocking piece 32 at the oil drain hole 311, and the blocking piece 32 is a bolt matched with the threaded hole.

The connecting end 41 of the rotating shaft 4 is set to be a structure with a polygonal cross section, and is manufactured to be a current situation with a hexagonal cross section.

The rotary blade 5 is available in the prior art and can be purchased in the market, and the middle part of the rotary blade 5 is provided with a mounting hole for adapting the connecting end 41.

The travelling wheel 6 comprises a connecting shaft 61, the connecting shaft 61 is provided with a jack 611 matched with the connecting end 41, the connecting shaft 61 is a long strip-shaped member, the connecting shaft 61 can be made of a steel column, and the length direction of the jack 611 is arranged along the length direction of the connecting shaft 61; be fixed with spoke 62 in the equal circumference in both ends department of connecting axle 61, spoke 62 can adopt the round steel preparation, and the equal circumference welded fastening in both ends department of connecting axle 61 has spoke 62, and the tip coaxial fixation who keeps away from connecting axle 61 at spoke 62 has rim 63, and ring form component can be makeed into to rim 63 can adopt band steel or round steel, and rim 63 can adopt welded fastening to keep away from the one end of connecting axle 61 at spoke 62.

The anti-skidding pieces 64 are connected between the rims 63 on the two sides, the anti-skidding pieces 64 are made of angle steel, the anti-skidding pieces 64 are circumferentially arranged on the rims 63, and the opening sides of the anti-skidding pieces 64 face the rims 63.

A clutch controller 8 is provided between the power unit 1 and the transmission case 2, the clutch controller 8 is a conventional one and commercially available, and the clutch controller 8 is used to control the interruption of power.

The application principle of a rotary cultivator is as follows:

when using this rotary cultivator to carry out the rotary tillage to the soil, rotary blade 5 carries out continuous rotary tillage to the soil, and power transmission to walking wheel 6 simultaneously orders about the continuous propulsion forward of rotary cultivator, reduces because rotary blade 5 carries out the cultivation back to the soil, and the soil body is lax and loses and grab the land fertility and take place the phenomenon of skidding, leads to the unable propulsive possibility of rotary cultivator, has improved the arable land efficiency and the reliability of this rotary cultivator.

Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A rotary cultivator is characterized in that: including power device (1), be connected with gearbox body (2) on power device's (1) output shaft, be fixed with two crisscross cross arm (3) in gearbox body's (2) bottom, cross arm (3) are rectangular form component, and one end is fixed on gearbox body (2), the one end of gearbox body (2) is kept away from each other to two cross arm (3) forms and extends end (31), respectively horizontal installation has pivot (4) on two extension ends (31), the both sides that its both ends stretched out cross arm (3) form link (41), two pivot (4) parallel arrangement each other, and be connected with drive mechanism between the output shaft of pivot (4) and gearbox body (2), one pivot (4) are used for installing rotary tillage sword (5), another pivot (4) are used for installing walking wheel (6).

2. The rotary cultivator of claim 1, wherein: the cross arm (3) is a hollow component with an opening at the top, the opening end of the cross arm is fixed on the gearbox body (2), the rotating shaft (4) is horizontally arranged at the bottom end of the cross arm (3), and a chain transmission mechanism (7) is adopted between the rotating shaft (4) and the gearbox body (2).

3. The rotary cultivator of claim 2, wherein: the bottom of the cross arm (3) is provided with an oil drain hole (311), and a plugging piece (32) is detachably mounted at the oil drain hole (311).

4. The rotary cultivator of claim 1, wherein: the cross section of the connecting end (41) is polygonal, and the rotary tillage blades (5) and the walking wheels (6) are matched with the connecting end.

5. The rotary cultivator of claim 1, wherein: and a clutch controller (8) is arranged between the power device (1) and the gearbox body (2).

6. The rotary cultivator of claim 1, wherein: the travelling wheel (6) comprises a connecting shaft (61), insertion holes (611) matched with the connecting end (41) are formed in the connecting shaft (61), spokes (62) are circumferentially fixed at two ends of the connecting shaft (61), rims (63) are coaxially fixed at the ends, far away from the connecting shaft (61), of the spokes (62), and anti-skidding pieces (64) are connected between the rims (63) on two sides.

7. The rotary cultivator of claim 6, wherein: the anti-slip piece (64) is an angle steel, and the opening side of the anti-slip piece is fixed on the rim (63).

8. The rotary cultivator of claim 1, wherein: and a plurality of reinforcing ribs (33) are arranged on the outer side of the cross arm (3).