CN221863432U - Rotary blade assembly with adjustable rotary tillage depth - Google Patents

Abstract

The utility model discloses a rotary blade assembly with adjustable rotary tillage depth, in particular to the technical field of agricultural machinery, which comprises a rotary blade main cutter shaft and a rotary blade mounting seat arranged on the outer surface of the rotary blade main cutter shaft, the inside movable mounting of rotary blade mount pad has the drive plate, four drive holes have been seted up to one side of drive plate, one side fixed mounting of drive plate has a plurality of connecting rods, inside one side movable mounting of rotary blade mount pad has the worm wheel. In actual operation, the rotary blade assembly with adjustable rotary tillage depth can rotate the movable cover to drive the rotating shaft to rotate, the rotating shaft can drive the worm to rotate so as to drive the worm wheel to rotate, the worm wheel can drive the driving plate to rotate, when the driving plate rotates, the plurality of mounting sleeves can move, and the rotary tillage depth can be adjusted along with different rotation directions of the driving plate, so that the positions of the plurality of rotary tillage blades can be adjusted at one time, and the steps required for adjusting the rotary tillage depth are simplified.

Description

Rotary tillage blade assembly with adjustable rotary tillage depth

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a rotary tillage blade assembly with adjustable rotary tillage depth.

Background Art

A rotary tiller is a tilling machine that is used in conjunction with a tractor to complete plowing and harrowing operations. It has been widely used because of its strong soil crushing ability and flat surface after plowing. The rotary tiller can crush the soil into small pieces, mix the soil and fertilizer evenly, and make the ground flat through the rotation of its rotary tiller blade assembly, thus meeting the requirements of dryland sowing or paddy field planting.

After searching, for example, the utility model with the announcement number CN217116828U discloses a rotary tiller blade assembly with adjustable rotary tillage depth, including a cutter disc, a plurality of cutter handles radially connected around the cutter disc, and a blade connected to the outer end of each cutter handle; a plurality of cutter handle connecting positions are arranged in a circular distribution on the cutter disc, and each cutter handle connecting position is provided with three inner cutter disc holes and three outer cutter disc holes. The utility model adjusts the rotary tillage radius of the rotary tiller blade assembly by selecting different cutter disc holes and cutter handle holes for connection and fixing them with bolts. However, due to the large number of rotary tiller blades, it is more cumbersome to actually adjust the rotary tillage depth. Therefore, in order to solve the above defects, the inventor proposes a rotary tiller blade assembly with adjustable rotary tillage depth.

Utility Model Content

The main purpose of the utility model is to provide a rotary tillage blade assembly with adjustable rotary tillage depth, which can effectively solve the problem of the prior art that the rotary tillage depth is relatively complicated when actually adjusting the rotary tillage depth.

In order to achieve the above purpose, the technical solution adopted by the utility model is:

A rotary tiller blade assembly with adjustable tillage depth comprises a rotary tiller blade main blade shaft and a rotary tiller blade mounting seat arranged on the outer surface of the rotary tiller blade main blade shaft, a drive plate movably installed inside the rotary tiller blade mounting seat, four drive holes are opened on one side of the drive plate, a plurality of connecting rods are fixedly installed on one side of the drive plate, a worm gear is movably installed on one side of the interior of the rotary tiller blade mounting seat, and the worm gear is fixedly connected to the plurality of connecting rods, four mounting sleeves are movably installed inside the rotary tiller blade mounting seat, four mounting sleeves are fixedly installed with drive rods on one side located inside the rotary tiller blade mounting seat, and the four drive rods are movably connected to the four drive holes respectively, a rotating shaft is movably installed on one side of the interior of the rotary tiller blade mounting seat, and a worm is fixedly installed on the outer surface of the rotating shaft, and the worm is meshed with the worm wheel.

Preferably, a fixing sleeve is fixedly installed on one side of the outer surface of the rotary blade mounting seat, and one end of the rotating shaft passes through the fixing sleeve, and a movable cover is fixedly installed on one end of the rotating shaft extending to the outside of the rotary blade mounting seat, and a fixing hole is opened on one side of the outer surface of the movable cover, and a plurality of limiting holes are opened on the outer surface of the fixing sleeve.

Preferably, a rotary tillage blade is provided inside the mounting sleeve, reinforcement holes are provided on both sides of the outer surface of the mounting sleeve, fixing grooves are provided on both sides of the outer surface of the mounting sleeve, a connecting cover is fixedly installed on one side of the outer surface of the rotary tillage blade, threaded rods are threadedly connected to both sides of the outer surface of the connecting cover, and one end of the two threaded rods located inside the connecting cover is movably connected to a fixing plate, and mounting holes are provided on both sides of the outer surface of the rotary tillage blade.

Preferably, the sizes of the two fixing plates are respectively the same as the sizes of the two fixing grooves, and a rubber handle is fixedly mounted on one end of the threaded rod away from the fixing plate.

Preferably, connecting sleeves are fixedly installed on both sides of the outer surface of the rotary tiller mounting seat, and the outer surfaces of the two connecting sleeves are provided with a plurality of fastening holes, and the outer surface of the main blade shaft of the rotary tiller is provided with a plurality of adjustment holes.

Preferably, a plurality of guide strips are fixedly mounted on the outer surface of the main blade shaft of the rotary blade, and a plurality of guide grooves corresponding to the guide strips are arranged inside the rotary blade mounting seat.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model discloses a rotary tiller blade assembly with adjustable rotary tillage depth. By arranging a rotary tiller blade mounting seat, in actual work, the movable cover can be rotated to drive the rotating shaft to rotate, and the rotating rotating shaft can drive the worm to rotate, so as to drive the worm wheel to rotate, and the worm wheel can drive the driving plate to rotate. When the driving plate rotates, multiple mounting sleeves can be moved. As the driving plate rotates in different directions, the rotary tillage depth can be adjusted, so that the positions of multiple rotary tillage blades can be adjusted at one time, so as to simplify the steps required for rotary tillage depth adjustment.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the overall structure of the utility model;

FIG2 is a schematic cross-sectional view of the rotary tiller blade mounting seat of the utility model;

FIG3 is a schematic diagram of the structure of the movable cover of the utility model;

FIG4 is a schematic diagram of the structure of the rotary tillage blade of the utility model;

FIG. 5 is a main blade shaft of the rotary tiller of the present invention.

In the figure: 1. main blade shaft of the rotary tiller; 2. mounting seat of the rotary tiller; 201. driving plate; 202. driving hole; 203. mounting sleeve; 204. driving rod; 205. connecting rod; 206. worm gear; 207. worm; 208. rotating shaft; 209. fixing sleeve; 210. limiting hole; 211. fixing hole; 212. movable cover; 2031. rotary tiller blade; 2032. reinforcement hole; 2033. fixing groove; 2034. connecting cover; 2035. threaded rod; 2036. fixing plate; 2037. mounting hole; 101. adjusting hole; 102. connecting sleeve; 103. fastening hole.

DETAILED DESCRIPTION

In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

The utility model discloses a rotary tiller blade assembly with adjustable rotary tillage depth, as shown in Figures 1 to 5, comprising a rotary tiller blade main blade shaft 1 and a rotary tiller blade mounting seat 2 arranged on the outer surface of the rotary tiller blade main blade shaft 1, a driving plate 201 is movably installed inside the rotary tiller blade mounting seat 2, four driving holes 202 are opened on one side of the driving plate 201, a plurality of connecting rods 205 are fixedly installed on one side of the driving plate 201, a worm gear 206 is movably installed on one side of the interior of the rotary tiller blade mounting seat 2, and the worm gear 206 is fixedly connected to the plurality of connecting rods 205, and when the worm gear 206 rotates through the connecting rods 205, the driving plate 201 is driven to rotate.

Four mounting sleeves 203 are movably installed inside the rotary blade mounting seat 2. A driving rod 204 is fixedly installed on one side of the four mounting sleeves 203 located inside the rotary blade mounting seat 2. The four driving rods 204 are movably connected to the four driving holes 202 respectively. When the driving plate 201 rotates, the four mounting sleeves 203 can move.

A rotating shaft 208 is movably mounted on one side of the rotary blade mounting seat 2, and a worm 207 is fixedly mounted on the outer surface of the rotating shaft 208. The worm 207 is meshed with the worm wheel 206. Rotating the rotating shaft 208 can drive the worm 207 to rotate.

A fixing sleeve 209 is fixedly installed on one side of the outer surface of the rotary blade mounting seat 2, and one end of the rotating shaft 208 passes through the fixing sleeve 209. A movable cover 212 is fixedly installed on one end of the rotating shaft 208 extending to the outside of the rotary blade mounting seat 2, and a fixing hole 211 is opened on one side of the outer surface of the movable cover 212. A plurality of limiting holes 210 are opened on the outer surface of the fixing sleeve 209. By rotating the movable cover 212, the rotating shaft 208 can be driven to rotate. When the bolt is inserted into the overlapping limiting hole 210 and the fixing hole 211, the movable cover 212 can be fixed to prevent the movable cover 212 from rotating.

A rotary tilling blade 2031 is provided inside the mounting sleeve 203. When the mounting sleeve 203 moves, the rotary tilling blade 2031 can be driven to move so as to adjust the rotary tilling depth.

Reinforcement holes 2032 are provided on both sides of the outer surface of the mounting sleeve 203, and fixing grooves 2033 are provided on both sides of the outer surface of the mounting sleeve 203. A connecting cover 2034 is fixedly installed on one side of the outer surface of the rotary tiller blade 2031, and threaded rods 2035 are threadedly connected to both sides of the outer surface of the connecting cover 2034, and one end of the two threaded rods 2035 located inside the connecting cover 2034 is movably connected to a fixing plate 2036, and mounting holes 2037 are provided on both sides of the outer surface of the rotary tiller blade 2031. Insert one end of the rotary tiller blade 2031 into the mounting sleeve 203, rotate the threaded rod 2035 to push the fixing plate 2036 to move so as to insert it into the fixing groove 2033. At the same time, the reinforcement hole 2032 will coincide with the mounting hole 2037, and the bolt is inserted to assemble the rotary tiller blade 2031 and the mounting sleeve 203.

The sizes of the two fixing plates 2036 are respectively the same as the sizes of the two fixing grooves 2033 . A rubber handle is fixedly installed at one end of the threaded rod 2035 away from the fixing plate 2036 . The rubber handle can improve the user's feel when rotating the threaded rod 2035 .

Connecting sleeves 102 are fixedly installed on both sides of the outer surface of the rotary blade mounting seat 2, and the outer surfaces of the two connecting sleeves 102 are provided with multiple fastening holes 103, and the outer surface of the rotary blade main shaft 1 is provided with multiple adjustment holes 101. When the rotary blade mounting seat 2 is sleeved on the outer surface of the rotary blade main shaft 1, the adjustment hole 101 will coincide with the fastening hole 103. By inserting the bolt, the connection between the rotary blade main shaft 1 and the rotary blade mounting seat 2 can be completed.

A plurality of guide strips are fixedly mounted on the outer surface of the main blade shaft 1 of the rotary tiller, and a plurality of guide grooves corresponding to the guide strips are arranged inside the rotary tiller mounting seat 2.

The working principle of the utility model is: rotating the movable cover 212 can drive the rotating shaft 208 to rotate, and the rotating rotating shaft 208 can drive the worm 207 to rotate, so as to drive the worm wheel 206 to rotate, and the worm wheel 206 can drive the driving plate 201 to rotate. When the driving plate 201 rotates, multiple mounting sleeves 203 can be moved, and then the positions of multiple rotary tillage blades 2031 can be adjusted. As the direction of rotation of the driving plate 201 is different, the rotary tillage depth can be adjusted. After the adjustment is completed, the bolts are inserted into the overlapped fixing holes 211 and the limiting holes 210 to fix the movable cover 212.

The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims (6)

1. A rotary tiller assembly with adjustable tillage depth, comprising a rotary tiller main shaft (1) and a rotary tiller mounting seat (2) arranged on the outer surface of the rotary tiller main shaft (1), characterized in that a driving plate (201) is movably mounted inside the rotary tiller mounting seat (2), four driving holes (202) are opened on one side of the driving plate (201), a plurality of connecting rods (205) are fixedly mounted on one side of the driving plate (201), a worm gear (206) is movably mounted on one side of the rotary tiller mounting seat (2), and the worm gear (206) and the plurality of connecting rods are connected to each other. (205) is fixedly connected, four mounting sleeves (203) are movably mounted inside the rotary blade mounting seat (2), and driving rods (204) are fixedly mounted on one side of the four mounting sleeves (203) located inside the rotary blade mounting seat (2), and the four driving rods (204) are movably connected to the four driving holes (202), respectively, and a rotating shaft (208) is movably mounted on one side of the interior of the rotary blade mounting seat (2), and a worm (207) is fixedly mounted on the outer surface of the rotating shaft (208), and the worm (207) is meshed with the worm wheel (206). 2. The rotary tiller blade assembly with adjustable rotary tillage depth according to claim 1 is characterized in that: a fixing sleeve (209) is fixedly installed on one side of the outer surface of the rotary tiller blade mounting seat (2), and one end of the rotating shaft (208) passes through the fixing sleeve (209), and a movable cover (212) is fixedly installed on one end of the rotating shaft (208) extending to the outside of the rotary tiller blade mounting seat (2), and a fixing hole (211) is opened on one side of the outer surface of the movable cover (212), and a plurality of limiting holes (210) are opened on the outer surface of the fixing sleeve (209). 3. The rotary tiller blade assembly with adjustable rotary tillage depth according to claim 1 is characterized in that: a rotary tiller blade (2031) is provided inside the mounting sleeve (203), reinforcement holes (2032) are provided on both sides of the outer surface of the mounting sleeve (203), fixing grooves (2033) are provided on both sides of the outer surface of the mounting sleeve (203), a connecting cover (2034) is fixedly installed on one side of the outer surface of the rotary tiller blade (2031), threaded rods (2035) are threadedly connected to both sides of the outer surface of the connecting cover (2034), and one end of the two threaded rods (2035) located inside the connecting cover (2034) is movably connected to a fixing plate (2036), and mounting holes (2037) are provided on both sides of the outer surface of the rotary tiller blade (2031). 4. The rotary tiller blade assembly with adjustable rotary tillage depth according to claim 3 is characterized in that the sizes of the two fixing plates (2036) are respectively the same as the sizes of the two fixing grooves (2033), and a rubber handle is fixedly installed on one end of the threaded rod (2035) away from the fixing plate (2036). 5. The rotary tiller assembly with adjustable tillage depth according to claim 1 is characterized in that: connecting sleeves (102) are fixedly installed on both sides of the outer surface of the rotary tiller mounting seat (2), and the outer surfaces of the two connecting sleeves (102) are provided with a plurality of fastening holes (103), and the outer surface of the rotary tiller main blade shaft (1) is provided with a plurality of adjustment holes (101). 6. The rotary tiller assembly with adjustable tillage depth according to claim 1 is characterized in that a plurality of guide strips are fixedly mounted on the outer surface of the rotary tiller main blade shaft (1), and a plurality of guide grooves corresponding to the guide strips are arranged inside the rotary tiller mounting seat (2).