Harvester with protective cover convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of harvesters, and discloses a harvester with a protective cover convenient to disassemble and assemble, which comprises a harvester body and a harvesting arm, and a connecting part convenient to disassemble and assemble the protective cover is arranged above the harvesting arm; according to the harvester with the protective cover convenient to disassemble and assemble, an abutting groove abuts against an inclined face of an arc-shaped inclined face block to force the arc-shaped inclined face block to rotate, the arc-shaped inclined face block rotates to drive a rotating disc to rotate together, the rotating disc rotates to drive a rotating groove to rotate together, and the rotating groove pokes a poking rod to slide; when the sleeve moves to the position below the inserting blocks, the first springs push the inserting blocks to be inserted into the inserting holes to complete fixation, and the sleeve can be stably connected with the connecting frame through the four sets of inserting blocks arranged in a circumferential array mode; and the cover cap above the sleeve can be mounted and dismounted only by pressing the pressing piece, so that convenience and rapidness are achieved, and connection is stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of harvester, concretely is a kind of harvester with protective cover convenient to disassemble. BACKGROUND

[0002] Harvester is a kind of agricultural machinery for harvesting crops (such as wheat, rice, corn, soybean, etc.), and the use of harvester is of great significance to improve agricultural production efficiency, reduce labor intensity of farmers and ensure food security. With the progress of science and technology, the performance and intelligent level of harvester are also continuously improved.

[0003] However, the protective cover on the harvesting arm of the harvester is mostly fixedly connected by bolts, which requires adjusting the protective cover when harvesting different crops with different heights. Since the harvesting arm is long, a large number of screws are needed for fixation, which is very inconvenient to disassemble and adjust the angle. SUMMARY

[0004] The utility model aims at providing a kind of harvester with protective cover convenient to disassemble to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of harvester with protective cover convenient to disassemble, including harvester body and harvesting arm, the upper of harvesting arm is provided with the connecting part that is convenient for protective cover dismounting and installation;

[0006] Among them, the connecting part includes mounting bracket, connecting frame, linkage groove, lever, plug block, fixed plate, strut, spring one, rotating disc, rotating groove, arc inclined surface block, abutting groove, sleeve, sliding column, pressing piece, spring two, limit groove, cover, cross bar, plug rod, baffle, plug hole, the side surface of mounting bracket is fixedly connected with harvesting arm, the top surface of mounting bracket is fixedly connected with connecting frame.

[0007] Preferably, the inner side of connecting frame is provided with linkage groove, the inner side of linkage groove is penetrated by lever, the inner side of connecting frame is rotatably connected with rotating disc, the diameter of baffle is wider than that of plug rod, so that baffle cannot pass through the slope of arc inclined surface block through abutting groove to force arc inclined surface block to rotate, the surface of rotating disc is provided with rotating groove.

[0008] Preferably, one end of lever is inserted into rotating groove, the other end of lever is penetrated and fixedly connected with plug block, rotating disc rotation drives rotating groove to rotate together, so that rotating groove drives lever to slide, lever drives plug block to compress spring one, the surface of connecting frame is fixedly connected with fixed plate, one side of plug block close to fixed plate is fixedly connected with strut.

[0009] Preferably, the supporting rod penetrates through the fixing plate and is in sliding connection, and the spring one is fixedly connected between the inserting block and the fixing plate.

[0010] Preferably, the surface of the rotating disc is fixedly connected with an arc-shaped inclined block, the surface of the arc-shaped inclined block is provided with a resisting groove, the inner side of the connecting frame penetrates through a sleeve, the inner side of the sleeve is in sliding connection with a sliding column, when the cover above the harvesting arm of the harvester is installed, the symmetrical pressing pieces are pressed, the pressing pieces are located in the limiting grooves and are close to each other, the pressing pieces compress the spring two, and the pressing pieces drive the sliding column to move away from the connecting frame.

[0011] Preferably, one end of the sliding column is fixedly connected with a pressing piece, the other end of the sliding column is fixedly connected with a horizontal rod, the side close to the arc-shaped inclined block of the horizontal rod is fixedly connected with an inserting rod, the inserting rod penetrates through and is fixedly connected with a blocking piece, and the surface of the sleeve is provided with an inserting hole.

[0012] Preferably, the number of the pressing pieces is two groups, the two groups of pressing pieces are symmetrically arranged with the center line of the sleeve as the axis of symmetry, the spring two is fixedly connected between the two groups of pressing pieces, the pressing pieces are loosened, the compressed spring two drives the pressing pieces, the pressing pieces drive the sliding column, and the horizontal rod moves together when the sliding column slides in the sleeve, the surface of the sleeve is fixedly connected with a cover, the surface of the sleeve is provided with a limiting groove, and the pressing piece penetrates through the limiting groove.

[0013] Compared with the prior art, the protective cover of the harvester is convenient to disassemble and assemble, and has the following beneficial effects:

[0014] 1. The protective cover of the harvester is convenient to disassemble and assemble, the slope of the arc-shaped inclined block is forced to rotate through the resisting groove, the rotating disc is driven to rotate together, the rotating disc drives the rotating groove to rotate together, the rotating groove drives the sliding lever to slide, the sliding lever drives the inserting block to compress the spring one, when the sleeve moves to the lower side of the inserting block, the spring one drives the inserting block to insert into the inserting hole to be fixed, the four groups of circumferentially arranged inserting blocks can stably connect the sleeve with the connecting frame, and the installation and disassembly of the cover above the sleeve can be completed by only pressing the pressing pieces, so that the connection is stable, convenient and fast.

[0015] 2. The protective cover of the harvester is convenient to disassemble and assemble, the four groups of circumferentially arranged inserting blocks fix the sleeve, the sleeve is rotated, the unfolding angle of the cover above the sleeve can be adjusted, and the cover can adapt to different plant harvesting angles and heights. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is the amplification structure schematic view of the harvesting arm of the utility model;

[0018] Figure 3 It is the installation support structure schematic view of the utility model;

[0019] Figure 4 It is the sleeve section view structure schematic view of the utility model;

[0020] Figure 5 It is the connection frame section view structure schematic view of the utility model;

[0021] Figure 6 It is the connection frame section view amplification structure schematic view of the utility model.

[0022] In the drawing: 1, harvester body; 2, connecting part; 21, installation support; 23, connection frame; 24, linkage groove; 25, push rod; 26, plug block; 27, fixed plate; 28, support rod; 29, spring one; 210, rotary disc; 212, rotary groove; 213, arc inclined surface block; 214, abutting groove; 215, sleeve; 216, sliding column; 217, pressing piece; 218, spring two; 219, limiting groove; 220, cover; 221, cross bar; 222, plug rod; 223, baffle; 224, insertion hole; 3, harvesting arm. DETAILED DESCRIPTION

[0023] As Figures 1-6 shown, the utility model provides a kind of technical scheme: a kind of harvesting machine of protective cover convenient disassembly, including harvester body 1 and harvesting arm 3, the upper of harvesting arm 3 is provided with the connecting part 2 of the protective cover convenient disassembly and installation;

[0024] The connecting part 2 comprises a mounting support 21, a connecting frame 23, a linkage groove 24, a push rod 25, an insertion block 26, a fixed plate 27, a supporting rod 28, a spring 29, a rotating disc 210, a rotating groove 212, an arc-shaped inclined block 213, a resisting groove 214, a sleeve 215, a sliding column 216, a pressing piece 217, a spring 218, a limiting groove 219, a cover 220, a cross rod 221, an insertion rod 222, a blocking piece 223, an insertion hole 224, the mounting support 21 is fixedly connected with the side surface of the harvesting arm 3, and the top surface of the mounting support 21 is fixedly connected with the connecting frame 23. The inner side of the connecting frame 23 is provided with the linkage groove 24, the linkage groove 24 penetrates through the push rod 25, and the inner side of the connecting frame 23 is rotationally connected with the rotating disc 210, the diameter of the blocking piece 223 is wider than that of the insertion rod 222, so that the blocking piece 223 cannot pass through the resisting groove 214 to resist the slope of the arc-shaped inclined block 213 to make the arc-shaped inclined block 213 rotate, and the rotation of the arc-shaped inclined block 213 drives the rotating disc 210 to rotate, and the rotation of the rotating disc 210 drives the rotating groove 212 to rotate, and the surface of the rotating disc 210 is provided with the rotating groove 212. One end of the push rod 25 is inserted into the rotating groove 212, the other end of the push rod 25 penetrates through and is fixedly connected with the insertion block 26, the rotation of the rotating disc 210 drives the rotating groove 212 to rotate, so that the rotating groove 212 drives the push rod 25 to slide, and the push rod 25 drives the insertion block 26 to compress the spring 29, and when the sleeve 215 moves to the lower side of the insertion block 26, the spring 29 pushes the insertion block 26 to be inserted into the insertion hole 224 to be fixed, the surface of the connecting frame 23 is fixedly connected with the fixed plate 27, and one side of the insertion block 26 close to the fixed plate 27 is fixedly connected with the supporting rod 28. The supporting rod 28 penetrates through and is slidingly connected with the fixed plate 27, and the insertion block 26 and the fixed plate 27 are fixedly connected with the spring 29. The surface of the rotating disc 210 is fixedly connected with the arc-shaped inclined block 213, the surface of the arc-shaped inclined block 213 is provided with the resisting groove 214, the inner side of the connecting frame 23 penetrates through the sleeve 215, the inner side of the sleeve 215 is slidingly connected with the sliding column 216, when the cover 220 above the harvesting arm 3 of the harvester body 1 is installed, the symmetrical pressing pieces 217 are pressed, so that the pressing pieces 217 are located in the limiting grooves 219 and are close to each other to be contracted, so that the pressing pieces 217 compress the spring 218, and the pressing pieces 217 drive the sliding column 216 to be located in the sleeve 215 and to be away from the connecting frame 23. One end of the sliding column 216 is fixedly connected with the pressing piece 217, the other end of the sliding column 216 is fixedly connected with the cross rod 221, one side of the cross rod 221 close to the arc-shaped inclined block 213 is fixedly connected with the insertion rod 222, the insertion rod 222 penetrates through and is fixedly connected with the blocking piece 223, and the surface of the sleeve 215 is provided with the insertion hole 224.The number of pressing pieces 217 is two groups, and the two groups of pressing pieces 217 are symmetrically arranged with the center line of the sleeve 215 as the axis of symmetry, and the spring two 218 is fixedly connected between the two groups of pressing pieces 217. Loosen the pressing piece 217, so that the compressed spring two 218 will push the pressing piece 217, so that the pressing piece 217 pushes the sliding column 216, and when the sliding column 216 slides in the sleeve 215, it will drive the cross rod 221 to move together. The surface of the sleeve 215 is fixedly connected with the cover 220, and the surface of the sleeve 215 is provided with a limiting groove 219, and the pressing piece 217 penetrates the limiting groove 219.

[0025] Based on the above embodiment, when the cover 220 above the harvesting arm 3 of the harvester body 1 is installed, the symmetrical pressing pieces 217 are pressed, so that the pressing pieces 217 are close to each other in the limiting groove 219, so that the pressing pieces 217 compress the spring two 218, and the pressing pieces 217 drive the sliding column 216 to move away from the connecting frame 23 in the sleeve 215. At this time, the sleeve 215 is aligned with the inner side of the connecting frame 23 and inserted, then the pressing piece 217 is loosened, so that the compressed spring two 218 will push the pressing piece 217, so that the pressing piece 217 pushes the sliding column 216, and when the sliding column 216 slides in the sleeve 215, it will drive the cross rod 221 to move together. The cross rod 221 will push the plug rod 222, and the plug rod 222 will gradually insert into the abutting groove 214, but the diameter of the baffle 223 is wider than the diameter of the plug rod 222, so that the baffle 223 cannot pass through the abutting groove 214 to abut against the slope of the arc-shaped slope block 213 to force the arc-shaped slope block 213 to rotate. The rotation of the arc-shaped slope block 213 drives the rotating disc 210 to rotate together, and the rotation of the rotating disc 210 drives the rotating groove 212 to rotate together, so that the rotating groove 212 drives the push rod 25 to slide, and the push rod 25 drives the plug block 26 to compress the spring one 29. When the sleeve 215 moves to the lower side of the plug block 26, the spring one 29 pushes the plug block 26 to insert into the plug hole 224 to complete the fixation. The four circumferentially arranged plug blocks 26 can stably connect the sleeve 215 with the connecting frame 23, and only by pressing the pressing piece 217 can the installation and disassembly of the cover 220 above the sleeve 215 be completed, which is convenient, fast and stable.

[0026] And through the fixation of the four circumferentially arranged plug blocks 26 to the sleeve 215, by rotating the sleeve 215, the opening angle of the cover 220 above the sleeve 215 can be adjusted, so that the cover 220 can adapt to different plant harvesting angles and heights.

[0027] The above has made a detailed description of the general description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the scope of the present application.

Claims

1. A harvester with easy removal of the protective cover, comprising a harvester body (1) and a harvesting arm (3), characterized in that: The upper part of the harvesting arm (3) is provided with a connecting part (2) for facilitating the dismounting and mounting of the protective cover; The connecting part (2) comprises a mounting bracket (21), a connecting frame (23), a linkage groove (24), a shifting rod (25), an insertion block (26), a fixed plate (27), a supporting rod (28), a spring (29), a rotating disc (210), a rotating groove (212), an arc-shaped inclined block (213), a resisting groove (214), a sleeve (215), a sliding column (216), a pressing piece (217), a spring (218), a limiting groove (219), a cover (220), a cross rod (221), an insertion rod (222), a blocking piece (223), an insertion hole (224), and the mounting bracket (21) is fixedly connected with the side surface of the harvesting arm (3), and the top surface of the mounting bracket (21) is fixedly connected with the connecting frame (23).

2. A harvester as claimed in claim 1 wherein: The inner side of the connecting frame (23) is provided with the linkage groove (24), the inner side of the linkage groove (24) penetrates through the shifting rod (25), and the inner side of the connecting frame (23) is rotationally connected with the rotating disc (210), and the surface of the rotating disc (210) is provided with the rotating groove (212).

3. A harvester according to claim 2 wherein: One end of the shifting rod (25) is inserted into the rotating groove (212), the other end of the shifting rod (25) penetrates through and is fixedly connected with the insertion block (26), the surface of the connecting frame (23) is fixedly connected with the fixed plate (27), and one side of the insertion block (26) close to the fixed plate (27) is fixedly connected with the supporting rod (28).

4. A harvester according to claim 3 wherein: The supporting rod (28) penetrates through and is slidingly connected with the fixed plate (27), and the insertion block (26) and the fixed plate (27) are fixedly connected with the spring (29).

5. The harvester of claim 2, wherein: The surface of the rotating disc (210) is fixedly connected with the arc-shaped inclined block (213), the surface of the arc-shaped inclined block (213) is provided with the resisting groove (214), the inner side of the connecting frame (23) penetrates through the sleeve (215), and the inner side of the sleeve (215) is slidingly connected with the sliding column (216).

6. A harvester according to claim 5 wherein: One end of the sliding column (216) is fixedly connected with the pressing piece (217), the other end of the sliding column (216) is fixedly connected with the cross rod (221), one side of the cross rod (221) close to the arc-shaped inclined block (213) is fixedly connected with the insertion rod (222), the insertion rod (222) penetrates through and is fixedly connected with the blocking piece (223), and the surface of the sleeve (215) is provided with the insertion hole (224).

7. A harvester according to claim 6 wherein: The number of the pressing pieces (217) is two groups, the two groups of pressing pieces (217) are symmetrically arranged with the center line of the sleeve (215) as the axis of symmetry, the two groups of pressing pieces (217) are fixedly connected with the spring (218), the surface of the sleeve (215) is fixedly connected with the cover (220), the surface of the sleeve (215) is provided with the limiting groove (219), and the pressing piece (217) penetrates through the limiting groove (219).

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