Low-loss fixed combined type digging shovel suitable for sweet potato harvesting

Abstract

The utility model discloses a low-loss fixed combined type digging shovel suitable for sweet potato harvesting, relates to the technical field of agricultural machinery, and solves the problem of damage rate caused by the structure of the digging shovel in the existing sweet potato harvesting process and the problem that the sweet potatoes are damaged when the digging shovel touches the sweet potatoes in the advancing process. The mode that the shovel blade and the plane shovel are combined is adopted, the plane shovel is composed of two steel plates which are fixed together in a welded mode, the stability of the plane shovel is guaranteed, and the phenomenon that sweet potatoes at the tail ends of root branches are missed to be dug is avoided. The curved-surface scraper knife is designed to be arc-shaped, so that damage to sweet potatoes caused by pulling and breaking of root systems is reduced. The shovel blade of the digging shovel is installed on the cross beam through bolts, and two ends of the cross beam are connected to side plates of the rack through flange plates, so that the cross beam can be adjusted to a certain angle according to requirements. The flange plate and the side plate of the rack are connected through a long hole, so that the digging shovel can be adjusted front and back. And the rack side plates are connected with the suspension device in a welding manner, so that the use is stable.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural machinery design, and in particular to a low-loss fixed combined digging shovel suitable for sweet potato harvesting, which is mainly used in agricultural harvesting operations. Background Art

[0002] Sweet potato is a food source and can be cooked and eaten as a vegetable. Currently, in agricultural sweet potato harvesting operations, sweet potato harvesters are used to dig and harvest sweet potatoes. The sweet potato harvesters are moved by a traction device. During the movement, the harvesters can dig the soil with a digging shovel, and the excavated sweet potatoes will be collected by a collecting mechanism.

[0003] The existing digging shovel of the sweet potato harvester does not have a buffering and protective effect on the harvested sweet potatoes, so that the sweet potatoes are often damaged by the digging shovel when the digging shovel is working forward, and the stability is poor and the practicality is not high. Summary of the invention

[0004] In order to solve the above technical problems, the utility model patent provides a digging shovel for a sweet potato harvester to solve the problem that the digging shovel of the existing sweet potato harvester does not have a structure to protect the harvested sweet potatoes, and the sweet potatoes will be damaged when the digging shovel touches the sweet potatoes during the forward movement.

[0005] The purpose and effect of the digging shovel for sweet potato harvester of the utility model patent are achieved by the following specific technical means:

[0006] A low-loss fixed combined digging shovel suitable for sweet potato harvesting comprises a frame device, wherein the frame device comprises a three-point suspension device, a suspension frame and a frame side plate, wherein the three-point suspension device is connected to a traction device, the suspension frame is connected to the three-point suspension device, and the suspension side plates are installed on both sides of the suspension frame; an excavating device, wherein the excavating device comprises an excavating shovel, a blade and a shovel frame cross beam, wherein the shovel frame cross beam is connected to the suspension side plate by a flange, the excavating shovel is connected by fixing bolts above the middle of the shovel frame cross beam, and the blade is connected above the excavating shovel.

[0007] Furthermore, flanges are provided at both ends of the shovel frame cross beam, and the two ends of the flanges are respectively connected to the shovel frame cross beam and the suspension side plate.

[0008] Furthermore, the flange can realize stepless adjustment of the working angle of the excavating device, so that the excavating device can be adjusted to any angle.

[0009] Furthermore, the blade is in the shape of a curved blade, which is connected to the digging shovel by welding and is placed above the middle part of the digging shovel.

[0010] Furthermore, a steering square plate is provided at the lower part of the hanging side plate, which is connected to the hanging side plate with two fixing bolts. A positioning groove is provided at the lower part of the steering square plate for connecting the flange and allowing the excavation part to move relative to the horizontal direction.

[0011] Furthermore, the suspension frame is connected to the corner of the suspension side plate, and the three-point suspension device is connected to the middle part of the suspension frame.

[0012] Compared with the prior art, the utility model invention patent has the following beneficial effects.

[0013] When the device is in use, the traction device can drive the excavation device forward through the frame device to realize the excavation operation of the sweet potato. It is easy to use. At the same time, the excavation device is also equipped with an improved shovel, so that when the excavation shovel touches the sweet potato during work, the sweet potato can be protected to the greatest extent. It is stable, reliable, durable, flexible and practical.

[0014] Before using the device, the excavating shovel is in a horizontal position. The operating depth can be determined according to local soil quality, moisture content, depth in the soil and distance from the ridge top and other parameters, thereby adjusting the angle of the excavating device and the position in the positioning groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model invention patent.

[0016] Figure 2 It is a side view of the utility model invention patent.

[0017] Figure 3 It is a top view of the utility model invention patent.

[0018] A frame device (1), a three-point suspension device (101), a suspension frame (102), a frame side plate (103), a steering square plate (1031), a positioning groove (1032), an excavating device (2), an excavating shovel (201), a shovel blade (202), a shovel frame crossbeam (203), and a flange plate (2031). DETAILED DESCRIPTION

[0019] In order to further explain the technical means and effects adopted by the utility model invention patent to achieve the predetermined invention purpose, the specific implementation method, structure, characteristics and effects of the utility model patent are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0020] like Figure 1 As shown, the three-point suspension device (101) is connected to the suspension frame (102) by welding, and the suspension frame is connected to the suspension side plate by welding. During operation, the device can be effectively stabilized and is convenient and practical.

[0021] like Figure 1 As shown, the shovel blade (202) is located in the center of the upper part of the digging shovel (201), the shovel blade (202) and the digging shovel (201) are connected together by welding, and the shovel blade (202) is connected to the shovel blade crossbeam (203) by fixing bolts. When working, the digging device (2) digs the land downwards, and the digging shovel is placed under the sweet potatoes buried in the land to dig the sweet potatoes and send them to the conveying device.

[0022] like Figure 1 , 2 As shown, the shovel blade (202) is located in the center of the upper part of the digging shovel (201), the shovel blade (202) and the digging shovel (201) are connected together by welding, and the shovel blade (202) is connected to the shovel blade crossbeam (203) by fixing bolts. When working, the digging device (2) digs the land downwards, and the digging shovel is placed under the sweet potatoes buried in the land to dig the sweet potatoes and send them to the conveying device.

[0023] like Figure 1 , 2 As shown, the flange (2031) controls the angle of the digging device (2) through the depth adjustment device, so that the digging device (2) can work better and minimize the damage to the sweet potato. The flanges (2031) on the left and right sides of the digging shovel (201) are in the same direction, and their angles can be changed under the joint action. It can be operated with the movement of the tractor, and can realize stepless adjustment of the digging device (2), which is easy to operate and highly practical.

[0024] like Figure 3 As shown, the excavation device (2) is connected as a whole via a steering square plate (1031), and can be adjusted forward and backward as a whole via a positioning groove (1032), and can be adjusted according to different excavation depths during operation.

Claims

1. A low-loss fixed combined digging shovel suitable for sweet potato harvesting, characterized in that: include: A frame device (1), the frame device (1) comprising a three-point suspension device (101), a suspension frame (102) and a frame side plate (103), the three-point suspension device (101) being connected to a traction device and holding the frame side plate (103) and the suspension frame (102) welded, and the suspension frame (102) and the three-point suspension device (101) being welded; an excavating device (2), the excavating device (2) comprising an excavating shovel (201), a shovel blade (202) and a shovel frame cross beam (203), the shovel frame cross beam (203) being connected in the middle of two frame side plates (103), the excavating shovel (201) being connected above the shovel frame cross beam (203) by bolts, and the shovel blade (202) being welded to the middle part of the excavating shovel (201).

2. A low-loss fixed combined digging shovel suitable for sweet potato harvesting according to claim 1, characterized in that: Flanges (2031) are provided at both ends of the shovel frame cross beam (203), and the shovel frame cross beam (203) is connected to the frame side plate (103) via the flanges (2031).

3. A low-loss fixed combined digging shovel suitable for sweet potato harvesting according to claim 1, characterized in that: A steering square plate (1031) is bolted to the inner side of the frame side plate (103), and a positioning groove (1032) is provided at the lower side of the steering square plate (1031), and the positioning groove (1032) is connected to the flange plate (2031).

4. A low-loss fixed combined digging shovel suitable for sweet potato harvesting according to claim 1, characterized in that: The blade (202) in the excavating device (2) is in the shape of a curved blade and is connected to the excavating blade (201) by welding.

5. A low-loss fixed combined digging shovel suitable for sweet potato harvesting according to claim 1, characterized in that: The excavating device (2) is connected to the frame device (1) via a flange (2031), so that stepless adjustment of the angle of the excavating device (2) can be achieved.

6. A low-loss fixed combined digging shovel suitable for sweet potato harvesting according to claim 1, characterized in that: The steering square plate (1031) installed below the frame device (1) is provided with a positioning groove (1032), which can realize the front and rear adjustment of the excavating device (2) relative to the frame.

7. A low-loss fixed combined digging shovel suitable for sweet potato harvesting according to claim 1, characterized in that: The digging shovel (201) is connected to a shovel frame crossbeam (203).

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