CN211671209U

CN211671209U - Rotary cultivator with adjustment rotational speed structure

Info

Publication number: CN211671209U
Application number: CN201922046048.7U
Authority: CN
Inventors: 廖应碧
Original assignee: Xinchang Xinkai Machinery Co ltd
Current assignee: Xinchang Xinkai Machinery Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-10-16
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a rotary cultivator with a structure for adjusting rotating speed, which comprises a supporting plate, wherein both sides of the top of the supporting plate are fixedly provided with fixed blocks, a driving belt wheel is connected with a driven belt wheel through belt transmission, a rotary tillage roller is alternately connected between the two driven belt wheels, the surface of the rotary tillage roller is fixedly provided with a plurality of rotary tillage impellers, the rotary tillage impellers are equidistantly distributed on the surface of the rotary tillage roller, the rotary cultivator is provided with a gearbox, and an output end shaft of the gearbox is fixedly connected with a rotating shaft of the gearbox, when the rotary cultivator is matched with a tractor for use, the rotating speed of the bevel gear in the gear box can be adjusted through the gear box adjusting switch according to the rotary tillage degree of different soils, the bevel gear can drive the rotary tillage roller to rotate through the transmission shaft and the driving belt wheel, thereby can effectively adjust the rotational speed of rotary tillage roller and rotary tillage impeller, reach the rotary tillage purpose that is applicable to different soil types, the practicality is stronger.

Description

Rotary cultivator with adjustment rotational speed structure

Technical Field

The utility model relates to a rotary cultivator, in particular to a rotary cultivator with a structure for adjusting rotating speed.

Background

The rotary cultivator is a cultivator which is matched with a tractor to complete the operations of ploughing and harrowing. The soil breaking machine has the characteristics of strong soil breaking capacity, flat ground surface after ploughing and the like, so that the soil breaking machine is widely applied; meanwhile, the stubble buried below the ground surface can be cut up, the operation of the seeder is convenient, and a good seedbed is provided for later-stage seeding. The rotary cultivator has the functions of breaking a plough bottom layer, restoring a soil plough layer structure, improving the soil water storage and preservation capacity of soil moisture, eliminating part of weeds, reducing plant diseases and insect pests, leveling the ground surface, improving the standard of agricultural mechanized operation and the like.

In the process of matching with a tractor for use, the rotating speed of the rotary tillage roller is a fixed value, and the rotating speed of the rotary tillage roller cannot be adjusted according to the required soil tillage degree, so that the applicable soil types are few, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary cultivator with adjustment rotational speed structure to solve the current rotary cultivator with adjustment rotational speed structure among the above-mentioned background art, the angle and the height of the spray tube that can not adjust and the problem of producing the foam easily.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary cultivator with a structure for adjusting rotating speed comprises a supporting plate, wherein fixed blocks are fixedly arranged on two sides of the top of the supporting plate, a transmission shaft is connected between the two fixed blocks in an inserting manner, a gear box is fixedly arranged in the middle of the top of the supporting plate, a rotating shaft is connected with one side inner wall of the gear box in an inserting manner, a first helical gear is fixedly connected with one end of the rotating shaft, second helical gears are inserted in bearings embedded in the inner walls of the two sides of the gear box in an inserting manner, two ends of the middle part of the transmission shaft penetrate through the inner wall of the gear box respectively and are fixedly connected with the two second helical gears, the first helical gear is connected with the two second helical gears in an engaging manner, two ends of the transmission shaft penetrate through the two fixed blocks respectively and are fixedly connected with a driving belt pulley, the driving belt pulley is connected with a driven belt pulley through belt transmission, two it is connected with the rotary tillage roller to alternate between the driven pulley, the fixed surface of rotary tillage roller is equipped with a plurality of rotary tillage impellers, and a plurality of rotary tillage impellers equidistance distribute on the surface of rotary tillage roller.

As a preferred technical scheme of the utility model, the fixed gearbox that is equipped with of opposite side at backup pad top, the one end of pivot and the output fixed connection of gearbox one side, the fixed buffer bottom plate that is equipped with between gearbox and the backup pad.

As a preferred technical scheme of the utility model, the both sides of buffer bottom plate are all fixed and are equipped with the guard plate, there is the arc draw-in groove one side of guard plate, two the arc draw-in groove inlays the both sides of locating the gearbox respectively, the fixed buffering air cushion that is equipped with in inside of arc draw-in groove, one side of buffering air cushion contacts with the gearbox.

As a preferred technical scheme of the utility model, the top of buffer bottom plate has been seted up and has been placed the draw-in groove, the inside both sides of placing the draw-in groove are all fixed and are equipped with first movable rod, the one end of first movable rod articulates there is the second movable rod, the bottom fixed connection of first movable rod and gearbox, fixedly connected with buffer spring between first movable rod and the second movable rod.

As a preferred technical scheme of the utility model, the middle part both sides of transmission shaft all are equipped with damping hinge, two top one side of damping hinge all articulates there is the bracing piece, two the fixed mounting panel that is equipped with between the top of bracing piece, the fixed electric hydraulic cylinder that is equipped with of top avris of backup pad, the output and the mounting panel fixed connection at electric hydraulic cylinder top.

As an optimal technical scheme of the utility model, the fixed flush mounting plate that is equipped with in backup pad back one side, flush mounting plate's fixed electric hydraulic cylinder switch and the gearbox regulating switch of being equipped with respectively in surface, electric hydraulic cylinder and gearbox are respectively through the electric hydraulic cylinder switch and the gearbox regulating switch and external power supply electric connection that correspond.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a rotary cultivator with adjustment rotational speed structure.

1. Through being provided with the gearbox, and the output shaft of gearbox and the pivot fixed connection of gear box, when using with the tractor is supporting, can be according to the rotary tillage degree of different soil, through the inside helical gear's of gearbox regulating switch adjusting gear case rotational speed, the helical gear passes through transmission shaft and driving pulley and can drive the rotary tillage roller and rotate to can effectively adjust the rotational speed of rotary tillage roller and rotary tillage impeller, reach the rotary tillage purpose that is applicable to different soil types, the practicality is stronger.

2. Through being provided with buffer bottom plate and guard plate respectively in the bottom and both sides of gearbox, the inside buffering air cushion of guard plate can play the guard action to the gearbox, and the first movable rod and the second movable rod of buffer bottom plate bottom can constantly contract from top to bottom under buffer spring's effect after receiving the vibrations that the rotary tillage produced, effectively will shake the absorption, avoid the inner structure of the too big damage gearbox of during operation vibrations.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the protection frame of the present invention;

FIG. 3 is a schematic structural view of the connection between the protection plate and the transmission case;

fig. 4 is a schematic view of the internal structure of the gear box of the present invention.

In the figure: 1. a support plate; 2. a fixed block; 3. a drive shaft; 4. a damping hinge; 5. a support bar; 6. an electric hydraulic cylinder; 7. mounting a plate; 8. a gear case; 9. a gearbox; 10. a protection plate; 11. a protective frame; 12. a driving pulley; 13. a belt; 14. a rotary tillage impeller; 15. a rotary tillage roller; 16. a rotating shaft; 17. a first helical gear; 18. a second helical gear; 19. a buffer air cushion; 20. a first movable bar; 21. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a rotary cultivator with a structure for adjusting the rotating speed, which comprises:

according to the drawings 1-4, the device comprises a supporting plate 1, wherein fixed blocks 2 are fixedly arranged on two sides of the top of the supporting plate 1, a transmission shaft 3 is inserted between the two fixed blocks 2, a gear box 8 is fixedly arranged in the middle of the top of the supporting plate 1, one side inner wall of the gear box 8 is inserted and connected with a rotating shaft 16, one end of the rotating shaft 16 is fixedly connected with a first helical gear 17, second helical gears 18 are inserted and connected in bearings embedded in the inner walls of two sides of the gear box 8, two ends of the middle part of the transmission shaft 3 respectively penetrate through the inner wall of the gear box 8 and are fixedly connected with the two second helical gears 18, the first helical gear 17 is respectively engaged and connected with the two second helical gears 18, two ends of the transmission shaft 3 respectively penetrate through the two fixed blocks 2 and are fixedly connected with a driving pulley 12, the driving pulley 12 is in transmission connection with a driven pulley through a belt 13, alternate between two driven pulleys and be connected with rotary tillage roller 15, rotary tillage roller 15's fixed surface is equipped with a plurality of rotary tillage impellers 14, a plurality of rotary tillage impellers 14 equidistance distribute on rotary tillage roller 15's surface, the fixed gearbox 9 that is equipped with of opposite side at 1 top of backup pad, the one end of pivot 16 and the output fixed connection of gearbox 9 one side, adjust the moment of torsion and the rotational speed of opening the inside gear of gearbox 9 that adjusts the model to NMRV025-150 through the gearbox, the helical gear can drive rotary tillage roller 15 through transmission shaft 3 and driving pulley 12 and rotate, thereby can effectively adjust rotary tillage roller 15 and rotary tillage impeller 14's rotational speed, reach the rotary tillage mesh that is applicable to different soil types.

According to the drawings of fig. 1 and 3, a buffer bottom plate is fixedly arranged between a gearbox 9 and a supporting plate 1, two sides of the buffer bottom plate are both fixedly provided with a protective plate 10, one side of the protective plate 10 is provided with an arc-shaped clamping groove, the two arc-shaped clamping grooves are respectively embedded at two sides of the gearbox 9, a buffer air cushion 19 is fixedly arranged inside the arc-shaped clamping groove, one side of the buffer air cushion 19 is contacted with the gearbox 9, the protective plate 10 and the buffer air cushion 19 inside the protective plate can protect the gearbox 9, the top of the buffer bottom plate is provided with a placing clamping groove, two sides inside the placing clamping groove are both fixedly provided with a first movable rod 20, one end of the first movable rod 20 is hinged with a second movable rod, the first movable rod 20 is fixedly connected with the bottom of the gearbox 9, a buffer spring 21 is fixedly connected between the first movable rod 20 and the second movable rod, and the first movable rod 20 and the second movable rod which, will be constantly shrink from top to bottom under buffer spring 21's effect, effectively will shake and absorb, avoid the internal structure of the too big damage gearbox of vibrations during operation.

According to the figure 1, two damping hinges 4 are sleeved on two sides of the middle part of a transmission shaft 3, supporting rods 5 are hinged on one sides of the tops of the two damping hinges 4, a mounting plate 7 is fixedly arranged between the tops of the two supporting rods 5, an electric hydraulic cylinder 6 is fixedly arranged on the side of the top of a supporting plate 1, the output end of the top of the electric hydraulic cylinder 6 is fixedly connected with the mounting plate 7, the electric hydraulic cylinder 6 works and drives the mounting plate 7 to ascend or descend under the action of the two hinged supporting rods 5, with the mounting height according to this rotary cultivator of external tractor mounting structure's position control, the fixed flush mounting plate that is equipped with in 1 back one side of backup pad, flush mounting plate's surface is fixed respectively and is equipped with electric hydraulic cylinder switch and gearbox regulating switch, and electric hydraulic cylinder 6 and gearbox 9 are respectively through electric hydraulic cylinder switch and the gearbox regulating switch and external power supply electric connection that correspond.

When the rotary cultivator is used, the switch of the electric hydraulic cylinder can be firstly opened, the electric hydraulic cylinder 6 works and drives the mounting plate 7 to ascend or descend under the action of the two hinged support rods 5 so as to adjust the mounting height of the rotary cultivator according to the position of the mounting structure of an external tractor, after the adjustment is finished, the mounting plate 7 is fixedly mounted on the tractor through an external bolt, then an output end shaft at one side of the gearbox 9 is fixedly connected with a driving motor on the tractor through a coupler, after the connection, a gearbox adjusting switch can be opened according to the required plowing degree of soil, the torque and the rotating speed of an internal gear of the gearbox 9 with the adjusting model of NMRV025-150 are adjusted through the gearbox, after the adjustment is finished, a driving motor switch on the tractor is opened, the driving motor works to drive the rotating shaft 16 to rotate through the output end shaft of the gearbox 9, the pivot 16 drives first helical gear 17 and rotates, first helical gear 17 rotates and drives two second helical gears 18 with it meshing and rotates, second helical gear 18 rotates and drives transmission shaft 3 and rotates, transmission shaft 3 rotates rethread driving pulley 12 and belt 13 and drives two driven pulleys and rotate, then make rotary tillage roller 15 and rotary tillage impeller 14 rotate, turn over the soil, in this process, arrange the guard plate 10 of gearbox 9 both sides in, and inside buffering air cushion 19 can play the guard action to gearbox 9, arrange the vibrations back that first movable rod 20 and the second movable rod of buffering bottom plate bottom produced when receiving the rotary tillage in the while, can constantly shrink from top to bottom under buffer spring 21's effect, effectively absorb vibrations, avoid the internal structure of the too big damage gearbox of during operation vibrations.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rotary cultivator with a structure for adjusting rotating speed comprises a supporting plate (1) and is characterized in that fixed blocks (2) are fixedly arranged on two sides of the top of the supporting plate (1), a transmission shaft (3) is connected between the two fixed blocks (2) in an inserting mode, a gear box (8) is fixedly arranged in the middle of the top of the supporting plate (1), a rotating shaft (16) is connected with the inner wall of one side of the gear box (8) in an inserting mode, a first helical gear (17) is fixedly connected with one end of the rotating shaft (16), second helical gears (18) are inserted in bearings embedded in the inner walls of the two sides of the gear box (8), two ends of the middle of the transmission shaft (3) penetrate through the inner wall of the gear box (8) and are fixedly connected with the two second helical gears (18), the first helical gear (17) is meshed with the two second helical gears (18), two ends of the transmission shaft (3) penetrate through the two fixed blocks, driving pulley (12) are connected with driven pulley through belt (13) transmission, the both sides of backup pad (1) are all fixed and are equipped with protective frame (11), two it is connected with rotary tillage roller (15) to alternate between the driven pulley, the fixed surface of rotary tillage roller (15) is equipped with a plurality of rotary tillage impellers (14).

2. The rotary cultivator with the structure for adjusting the rotating speed according to claim 1, wherein: the gearbox (9) is fixedly arranged on the other side of the top of the supporting plate (1), one end of the rotating shaft (16) is fixedly connected with the output end of one side of the gearbox (9), and a buffer bottom plate is fixedly arranged between the gearbox (9) and the supporting plate (1).

3. The rotary cultivator with the structure for adjusting the rotating speed according to claim 2, wherein: the both sides of buffer bottom plate are all fixed and are equipped with guard plate (10), there is the arc draw-in groove one side of guard plate (10), two the arc draw-in groove inlays respectively and locates the both sides of gearbox (9), the fixed buffer air cushion (19) that is equipped with in inside of arc draw-in groove, one side and gearbox (9) of buffer air cushion (19) contact.

4. The rotary cultivator with the structure for adjusting the rotating speed according to claim 2, wherein: the buffer bottom plate's top has been seted up and has been placed the draw-in groove, the inside both sides of placing the draw-in groove are all fixed and are equipped with first movable rod (20), the one end of first movable rod (20) articulates there is the second movable rod, the bottom fixed connection of first movable rod (20) and gearbox (9), fixedly connected with buffer spring (21) between first movable rod (20) and the second movable rod.

5. The rotary cultivator with the structure for adjusting the rotating speed according to claim 2, wherein: the middle part both sides of transmission shaft (3) all overlap and are equipped with damping hinge (4), two top one side of damping hinge (4) all articulates there is bracing piece (5), two fixed mounting panel (7) that are equipped with between the top of bracing piece (5), the fixed electric hydraulic cylinder (6) that are equipped with of top avris of backup pad (1), the output and mounting panel (7) fixed connection at electric hydraulic cylinder (6) top.

6. The rotary cultivator with the structure for adjusting the rotating speed as claimed in claim 5, wherein: backup pad (1) back one side is fixed and is equipped with flush mounting plate of switch, flush mounting plate's surface is fixed respectively and is equipped with electric hydraulic cylinder switch and gearbox regulating switch, electric hydraulic cylinder (6) and gearbox (9) are respectively through electric hydraulic cylinder switch and the gearbox regulating switch and external power supply electric connection that correspond.