Structure for adjusting depth of press wheel of rotary sowing machine

Abstract

The utility model discloses a depth adjusting structure for a press wheel of a rotary seeding machine, which relates to the technical field of rotary seeding machines, and particularly comprises a moving structure and a guiding structure, the moving structure comprises a screw rod movably connected with a side plate of the rotary seeding machine, a screw rod nut in threaded connection with an outer ring of the screw rod, and a sliding block connected with the screw rod nut, the outer side of the bottom end of the sliding block is connected with a press wheel bearing; a long-strip-shaped groove is formed in the top end of the sliding block, a limiting screw is movably connected into the long-strip-shaped groove, and the sliding block is connected with the rotary sowing machine side plate through the limiting screw. According to the depth adjusting structure for the press wheel of the rotary sowing machine, the depth of the press wheel can be rapidly adjusted by screwing the screw rod, compared with the prior art, the step of disassembling and assembling a press wheel fixing screw is omitted, the press wheel does not need to be supported in the press wheel position fixing process, and the depth adjusting convenience of the press wheel of the rotary sowing machine is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary sowing machine technical field, concretely is a kind of rotary sowing machine press wheel depth adjustment structure. BACKGROUND

[0002] Rotary sowing machine is a kind of agricultural machinery, mainly used for turning soil, soil, leveling land and sowing, press wheel is the common accessory of rotary sowing machine, it is installed in rotary sowing machine rear side, press wheel rotates on soil while sowing, can make seed and soil close contact, can reduce macropore in soil, reduce water evaporation, make soil conservation.

[0003] Press wheel needs to be adjusted in depth when using, in prior art, press wheel is usually connected using multi-hole connection, as shown in Figure Figure 4 The connection of press wheel is more troublesome, and when fixing press wheel, user needs to support press wheel, inconvenient for screw installation;Based on this, the present application provides a kind of rotary sowing machine press wheel depth adjustment structure. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of rotary sowing machine press wheel depth adjustment structure, solve the problem of inconvenient adjustment depth that press wheel is installed using multi-hole connection mode in the background technique.

[0005] The utility model provides the following technical scheme: a kind of rotary sowing machine press wheel depth adjustment structure, including moving structure and guide structure, the moving structure includes with the side plate of rotary sowing machine movable connection screw rod, with the outer thread connection of screw rod nut and with the sliding block of screw rod nut connection, the outer side of the bottom end of sliding block is connected with press wheel bearing;The top of sliding block is equipped with long slot, limit screw is movably connected in long slot, and sliding block is connected with the side plate of rotary sowing machine by limit screw;

[0006] The guide structure includes backing plate and pressing plate, and the backing plate and the pressing plate are connected with the side plate of rotary sowing machine by bolt, the pressing plate is located at the outer side of backing plate, and the two backing plates limit sliding block, and the two pressing plates limit press wheel bearing.

[0007] Preferably, the moving structure further includes screw rod bearing, and the screw rod is connected with the side plate of rotary sowing machine by screw rod bearing.

[0008] Preferably, the long slot has two, and the two long slots are arranged side by side.

[0009] Preferably, the side plate of the rotary spreader is provided with a bolt hole matched with the limiting screw, and the limiting screw is provided with a limiting nut at the end away from the side plate of the rotary spreader.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1、the rotary spreader depth of the adjustment structure of the pressure wheel, through the quick adjustment of the pressure wheel depth of the screw rod, compared with the prior art, the step of disassembling the pressure wheel fixing screw is omitted, and in the process of fixing the position of the pressure wheel, the pressure wheel does not need to be supported, the convenience of the rotary spreader depth of the pressure wheel adjustment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the structure of the utility model;

[0013] Figure 2 It is a back view of the structure of the utility model;

[0014] Figure 3 It is a front view of the structure of the utility model;

[0015] Figure 4 It is a schematic view of the connection between the pressure wheel and the side plate of the rotary spreader in the prior art.

[0016] In the drawing: 1, lead screw; 2, lead screw nut; 3, sliding block; 4, long slot; 5, limiting screw; 6, pad; 7, pressing plate; 8, lead screw bearing; 9, bolt hole; 10, limiting nut; 11, pressure wheel bearing; 12, rotary spreader side plate. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] As Figures 1 to 3 shown, the utility model provides a kind of rotary spreader pressure wheel depth of adjustment structure, including mobile structure and guide structure, mobile structure and guide structure are all installed in the rotary spreader side plate 12 in prior art, guide structure includes pad 6 and pressing plate 7, pad 6 and pressing plate 7 are connected with rotary spreader side plate by bolt, and pressing plate 7 is located the outside of pad 6.

[0019] The moving structure comprises a screw rod 1, a sliding block 3 and a screw rod bearing 8, the screw rod bearing 8 is fixedly connected with a rotary spreader side plate 12, the screw rod 1 is movably connected with the rotary spreader side plate through the screw rod bearing 8, the outer ring of the screw rod 1 is threadedly connected with a screw rod nut 2, the sliding block 3 is connected with the screw rod nut 2, the sliding block 3 and the screw rod nut 2 can be connected through welding, the sliding block 3 is located between two pads 6, and the pads 6 and the pressing plates 7 on the side close to the pads 6 are in contact with the sliding block 3, the guiding structure can limit the sliding block 3, so that when the screw rod 1 rotates, the screw rod nut 2 can move in the direction of the screw rod 1, and the screw rod nut 2 can drive the sliding block 3 to move, thereby achieving the adjustment of the position of the sliding block 3.

[0020] The roller bearing 11 of the rotary spreader roller is connected with the outer side of the bottom end of the sliding block 3, the roller bearing 11 can be connected with the sliding block 3 through bolts, and the roller bearing 11 is located between the two pressing plates 7, the pressing plates 7 limit the roller bearing 11, when the sliding block 3 moves, the roller bearing 11 can be driven to move, the roller bearing 11 drives the connected roller to move, thereby realizing the rapid adjustment of the depth of the roller.

[0021] The top end of the sliding block 3 is provided with a long slot 4, the long slot 4 has two, the two long slots 4 are arranged side by side, the inner cavity of the long slot 4 movably connects a limiting screw 5, the rotary spreader side plate is provided with a bolt hole 9, one end of the limiting screw 5 is threadedly connected with the bolt hole 9, the other end of the limiting screw 5 is provided with a limiting nut 10, the sliding block 3 is located between the limiting nut 10 and the bolt hole 9, when the user rotates the limiting screw 5, the distance between the limiting nut 10 and the sliding block 3 can be changed, when the limiting nut 10 is tightly attached to the sliding block 3, the sliding block 3 and the rotary spreader side plate 12 are connected together through the limiting screw 5, when the limiting nut 10 is separated from the sliding block 3, the sliding block 3 can move under the action of the screw rod 1.

[0022] From the above description, it can be known that, in use, the user can change the position of the sliding block 3 by rotating the screw rod 1, the sliding block 3 drives the roller bearing 11 to move when the sliding block 3 moves, thereby realizing the rapid adjustment of the depth of the roller, after the depth of the rotary spreader roller is adjusted, the user fixes the position of the sliding block 3 by using the limiting screw 5, the position of the roller remains unchanged, which is convenient for the use of the roller, in this process, the step of disassembling and assembling the roller fixing screw is omitted, and the user does not need to support the roller, thereby improving the convenience of the depth adjustment of the roller.

[0023] The utility model uses to standard parts can be bought from market, and the special-shaped part can be ordered according to the record of specification and drawing, and the specific connecting mode of each part all adopts the conventional means such as bolt in prior art, and the machinery, parts and equipment all adopt conventional model in prior art, and this will not be described in detail, the content not being described in detail in the specification belongs to the prior art known to the person skilled in the art, although the embodiment of the utility model has been shown and described, for the ordinary skilled person in the art, it can be understood that the embodiment can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustment structure for the depth of the compaction wheel of a rotary seeder, comprising a moving structure and a guiding structure, characterized in that: The movable structure includes a lead screw (1) movably connected to the side plate of the rotary seeder, a lead screw nut (2) threadedly connected to the outer ring of the lead screw (1), and a slider (3) connected to the lead screw nut (2). The outer side of the bottom end of the slider (3) is connected to the bearing of the press wheel. The top end of the slider (3) is provided with a long groove (4), and a limit screw (5) is movably connected in the long groove (4). The slider (3) is connected to the side plate of the rotary seeder through the limit screw (5). The guide structure includes a pad (6) and a pressure plate (7). The pad (6) and the pressure plate (7) are connected to the side plate of the rotary seeder by bolts. The pressure plate (7) is located outside the pad (6). The two pads (6) limit the slider (3), and the two pressure plates (7) limit the bearing of the press wheel.

2. The structure for adjusting the depth of the compaction wheel of a rotary seeder according to claim 1, characterized in that: The moving structure also includes a lead screw bearing (8), and the lead screw (1) is connected to the side plate of the rotary seeder through the lead screw bearing (8).

3. The structure for adjusting the depth of the compaction wheel of a rotary seeder according to claim 1, characterized in that: There are two elongated grooves (4), and the two elongated grooves (4) are arranged side by side.

4. The structure for adjusting the depth of the compaction wheel of a rotary seeder according to claim 1, characterized in that: The side plate of the rotary seeder is provided with bolt holes (9) that are compatible with the limiting screw (5), and the end of the limiting screw (5) away from the side plate of the rotary seeder is provided with a limiting nut (10).

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