Automatic harvesting depth adjusting device of water chestnut harvesting machine

Abstract

The utility model discloses an automatic harvesting depth adjusting device of a water chestnut harvesting machine, which relates to the technical field of agricultural product harvesting and comprises a mounting frame, a front equipment frame and a rear equipment frame are respectively arranged in the mounting frame, the opposite sides of the front equipment frame and the rear equipment frame are rotatably connected in the mounting frame, and harvesting equipment is arranged at the tail end of the rear equipment frame. A sliding piece is arranged at the bottom of the front equipment frame through a connecting rod, an air spring is arranged at the top of the front equipment frame, and limiting teeth meshed with each other are arranged on the opposite sides of the rear equipment frame and the front equipment frame. When the limiting teeth on the surface of the fixing rod on one side rotate, the limiting teeth on the other side are driven to rotate along with the limiting teeth, and therefore it is guaranteed that the rotating angles on the two sides are the same, and the harvesting depth of the harvesting equipment can change along with the probing depth of the sliding piece on the other side.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of agricultural product harvesting, especially relates to a harvesting depth automatic adjusting device of an alocasia odora harvester. BACKGROUND

[0002] The alocasia odora harvester is used for automatically digging and collecting alocasia odoras from a field, and in the working process, the harvesting equipment of the harvester is inserted into the soil to dig and separate the soil, and the soil is separated from the alocasia odoras, and in this process, the harvesting equipment needs to be kept fully or incompletely immersed in the soil.

[0003] In actual use, the soil at the planting position has a hard bottom layer and a soft top layer due to various reasons, and the alocasia odoras are usually located in the soft top layer, but since the soft top layer usually has a certain thickness, the harvesting depth of the existing alocasia odora harvesting equipment is usually fixed by the operator in the initial state, and the harvesting depth cannot be adjusted according to the actual soft soil layer depth in the working process, which easily causes some deeper alocasia odoras to be missed. UTILITY MODEL CONTENT

[0004] In order to make up for the deficiencies of the prior art, the purpose of the utility model is to solve the problem in the prior art that the harvesting depth cannot be adjusted to different depths according to the actual situation to harvest alocasia odoras, resulting in economic losses caused by alocasia odoras being missed in the soil.

[0005] In order to solve the problem of the prior art, the technical scheme of the utility model is as follows: a mounting frame is provided, front and rear equipment racks are arranged inside the mounting frame, the opposite sides of the front and rear equipment racks are rotatably connected inside the mounting frame, a harvesting equipment is arranged at the end of the rear equipment rack, a sliding plate is arranged at the bottom of the front equipment rack through a connecting rod, an air spring is arranged at the top of the front equipment rack, and the opposite sides of the rear and front equipment racks are provided with limiting teeth that mesh with each other.

[0006] Further, the front and rear equipment racks are each composed of a fixed rod, a movable rod, and an extension rod, wherein the extension rod is arranged between the fixed rod and the movable rod, and the fixed rod is rotatably connected to the mounting frame and is provided with limiting teeth on the surface.

[0007] Further, the movable rod of the front equipment rack is provided with a connecting rod at the bottom and an air spring on the top surface, the air spring is an adjustable air pressure spring, and the air spring is always kept in a relaxed state to ensure that the air spring always presses the front equipment rack downward, and the operator can change the downward pressure of the air spring or turn off the air spring according to the actual situation.

[0008] Further, the movable rod surface of the rear equipment rack is provided with the harvesting equipment, and the length of the extension rod of the rear equipment rack is greater than the length of the extension rod of the front equipment rack, so that the moving distance of the movable rod of the rear equipment rack is greater than the moving distance of the movable rack in the front equipment rack when the rear equipment rack rotates along the fixed rod.

[0009] Further, the mounting rack comprises two side coaming and a crossbeam arranged between the coaming, wherein the surface of the coaming is provided with an arc-shaped sliding groove matched with the movable rod in the front equipment rack and the rear equipment rack, the bottom of the crossbeam is connected with the gas spring, and a universal connecting piece is arranged between the crossbeam and the gas spring, and the arc angle of the arc-shaped sliding groove is respectively centered on the corresponding fixed rod, and the movable rod is arranged as a radius.

[0010] Further, the slide is entirely a plate-shaped structure with smooth surface, and the side end of the front equipment rack of the slide is provided with an upward warping, so that the slide can move freely and smoothly in the soil, and the arc surface can provide a certain upward pushing force to assist the upward movement in the soft soil.

[0011] Compared with the prior art, the advantages of the utility model are as follows:

[0012] The utility model discloses the restriction tooth of two fixed rods arranged in the mounting rack surface is meshed to limit the rotation angle of the mounting rod, when the restriction tooth of one side fixed rod surface rotates and drives the restriction tooth of the other side to rotate, so that the rotation angle of both sides is ensured to be same, so that the harvesting depth of the harvesting equipment can change with the probe depth of the slide of the other side. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic diagram of the utility model.

[0014] Figure 2 It is the probe rod structure schematic diagram of the utility model.

[0015] Figure 3 It is the fixed rod structure schematic diagram of the utility model.

[0016] Figure 4 It is the harvesting equipment position change state schematic diagram of the utility model.

[0017] Reference signs: 1, mounting rack;2, front equipment rack;3, rear equipment rack;4, harvesting equipment;5, slide;6, gas spring;7, restriction tooth. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described 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, not all the embodiments.

[0019] As Figures 1-4 shown, a device for automatically adjusting the harvesting depth of a water shield harvesting machine, comprising a mounting frame 1, the mounting frame 1 is internally provided with a front device frame 2 and a rear device frame 3, the opposite sides of the front device frame 2 and the rear device frame 3 are rotationally connected inside the mounting frame 1, the end of the rear device frame 3 is provided with a harvesting device 4, the harvesting device 4 and the main body of the harvesting machine are connected through a belt drive, and an adaptive tensioner is arranged inside the transmission belt to ensure that the main body of the harvesting machine can drive the harvesting device 4 to work through the transmission belt during the movement of the harvesting device 4 following the rear device frame 3, and the adaptive tensioner can ensure the normal connection between the transmission belt and the harvesting device 4 at any time according to the moving position of the harvesting device 4, the movable rod surface of the rear device frame 3 is provided with the harvesting device 4, and the length of the extension rod of the rear device frame 3 is greater than the length of the extension rod of the front device frame 2, so that the moving distance of the movable rod of the rear device frame 3 is greater than the moving distance of the movable frame in the front device frame 2 when the rear device frame 3 rotates along the fixed rod, the bottom of the front device frame 2 is provided with a sliding sheet 5 through a connecting rod, the sliding sheet 5 is a plate structure with smooth surface as a whole, the end of one side of the front device frame 2 is curved upward to ensure that the sliding sheet 5 can move freely and smoothly in the soil, and the arc surface can provide a certain upward thrust to assist during upward movement in soft soil.

[0020] The top of the front device frame 2 is provided with a gas spring 6, the bottom of the movable rod of the front device frame 2 is provided with a connecting rod, and the top surface is provided with a gas spring 6, the gas spring 6 is an adjustable air pressure spring, and the gas spring 6 always maintains a relaxed state to ensure that the gas spring 6 always presses the front device frame 2 downward, and the operator can change the downward pressure of the gas spring 6 or close the gas spring 6 according to the actual situation, the mounting frame 1 includes two side coaming and a cross beam arranged between the coaming, wherein the surface of the two side coaming is provided with an arc-shaped sliding groove matched with the movable rod in the front device frame 2 and the rear device frame 3, the bottom of the cross beam is connected with the gas spring 6, and a universal connecting piece is arranged between the cross beam and the gas spring 6, the arc angle of the arc-shaped sliding groove is respectively taken as the center of the corresponding fixed rod, and the movable rod is arranged as a radius, the opposite sides of the rear device frame 3 and the front device frame 2 are provided with intermeshing limiting teeth 7, the front device frame 2 and the rear device frame 3 are composed of a fixed rod, a movable rod and an extension rod, wherein the extension rod is arranged between the fixed rod and the movable rod, and the fixed rod is rotationally connected with the mounting frame 1 and provided with limiting teeth 7 on the surface.

[0021] Working principle: first in use the operator release gas spring 6, make gas spring 6 diastole and push the front equipment frame 2 connected with it to move down, in this process, the front equipment frame 2 along the fixed rod one side occurs rotation, in the rotation process, its surface limit tooth 7 follow rotation, with the front equipment frame 2 surface limit tooth 7 meshing the rear equipment frame 3 surface limit tooth 7 follow rotation drive rear equipment frame 3 along the fixed rod rotation to drive the rear equipment frame 3 in the inside harvesting equipment 4 to move down into the soft soil, until the gas spring 6 push the front equipment frame 2 bottom slide 5 and hard soil contact stop moving, the harvesting equipment 4 at this time can bring out the inside all with cover all soft soil layer cattail rush, and in the harvesting process, the hard soil occurs position change when slide 5 can along the amplitude occur vertical direction movement, to change the depth of the harvesting equipment 4 to explore into the soft soil inside at any time, avoid the harvesting equipment 4 directly with hard soil contact occurs damage.

[0022] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for automatically adjusting the harvesting depth of a water chestnut harvester, comprising a mounting frame (1), characterized in that: The mounting frame (1) is provided with a front equipment frame (2) and a rear equipment frame (3) respectively. The front equipment frame (2) and the rear equipment frame (3) are rotatably connected to each other on the opposite sides of the mounting frame (1). A harvesting device (4) is provided at the end of the rear equipment frame (3). A slide (5) is provided at the bottom of the front equipment frame (2) through a connecting rod. A gas spring (6) is provided at the top of the front equipment frame (2). Restriction teeth (7) that mesh with each other are provided on the opposite sides of the rear equipment frame (3) and the front equipment frame (2).

2. The automatic adjustment device for harvesting depth of a water chestnut harvester according to claim 1, characterized in that: The front equipment frame (2) and the rear equipment frame (3) are both composed of a fixed rod, a movable rod and an extension rod, wherein the extension rod is arranged between the fixed rod and the movable rod, and the fixed rod is rotatably connected to the mounting frame (1) and has a limiting tooth (7) arranged on its surface.

3. The automatic adjustment device for harvesting depth of a water chestnut harvester according to claim 2, characterized in that: A connecting rod is provided at the bottom of the movable rod of the front equipment frame (2), and a gas spring (6) is provided on the top surface. The gas spring (6) is an adjustable gas pressure spring, and the gas spring (6) always maintains a relaxed state.

4. The automatic adjustment device for harvesting depth of a water chestnut harvester according to claim 2, characterized in that: The harvesting equipment (4) is arranged on the surface of the movable rod of the rear equipment frame (3), and the length of the extension rod of the rear equipment frame (3) is greater than the length of the extension rod of the front equipment frame (2).

5. The automatic adjustment device for harvesting depth of a water chestnut harvester according to claim 2, characterized in that: The mounting frame (1) comprises two side panels and a crossbeam arranged between the panels, wherein the surfaces of the two side panels are provided with arc-shaped sliding grooves adapted to the movable rods in the front equipment frame (2) and the rear equipment frame (3), the bottom of the crossbeam is connected to the gas spring (6), and a universal connector is provided between the crossbeam and the gas spring (6).

6. The automatic adjustment device for harvesting depth of a water chestnut harvester according to claim 1, characterized in that: The sliding plate (5) is a plate-like structure with a smooth surface as a whole, and one end of the front equipment frame (2) thereof is arranged to be warped upward.

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